git-gui.shon commit Always bind the return key to the default button (4372da3)
   1#!/bin/sh
   2# Tcl ignores the next line -*- tcl -*- \
   3exec wish "$0" -- "$@"
   4
   5set appvers {@@GITGUI_VERSION@@}
   6set copyright {
   7Copyright © 2006, 2007 Shawn Pearce, et. al.
   8
   9This program is free software; you can redistribute it and/or modify
  10it under the terms of the GNU General Public License as published by
  11the Free Software Foundation; either version 2 of the License, or
  12(at your option) any later version.
  13
  14This program is distributed in the hope that it will be useful,
  15but WITHOUT ANY WARRANTY; without even the implied warranty of
  16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17GNU General Public License for more details.
  18
  19You should have received a copy of the GNU General Public License
  20along with this program; if not, write to the Free Software
  21Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}
  22
  23######################################################################
  24##
  25## read only globals
  26
  27set _appname [lindex [file split $argv0] end]
  28set _gitdir {}
  29set _gitexec {}
  30set _reponame {}
  31set _iscygwin {}
  32
  33proc appname {} {
  34        global _appname
  35        return $_appname
  36}
  37
  38proc gitdir {args} {
  39        global _gitdir
  40        if {$args eq {}} {
  41                return $_gitdir
  42        }
  43        return [eval [concat [list file join $_gitdir] $args]]
  44}
  45
  46proc gitexec {args} {
  47        global _gitexec
  48        if {$_gitexec eq {}} {
  49                if {[catch {set _gitexec [git --exec-path]} err]} {
  50                        error "Git not installed?\n\n$err"
  51                }
  52        }
  53        if {$args eq {}} {
  54                return $_gitexec
  55        }
  56        return [eval [concat [list file join $_gitexec] $args]]
  57}
  58
  59proc reponame {} {
  60        global _reponame
  61        return $_reponame
  62}
  63
  64proc is_MacOSX {} {
  65        global tcl_platform tk_library
  66        if {[tk windowingsystem] eq {aqua}} {
  67                return 1
  68        }
  69        return 0
  70}
  71
  72proc is_Windows {} {
  73        global tcl_platform
  74        if {$tcl_platform(platform) eq {windows}} {
  75                return 1
  76        }
  77        return 0
  78}
  79
  80proc is_Cygwin {} {
  81        global tcl_platform _iscygwin
  82        if {$_iscygwin eq {}} {
  83                if {$tcl_platform(platform) eq {windows}} {
  84                        if {[catch {set p [exec cygpath --windir]} err]} {
  85                                set _iscygwin 0
  86                        } else {
  87                                set _iscygwin 1
  88                        }
  89                } else {
  90                        set _iscygwin 0
  91                }
  92        }
  93        return $_iscygwin
  94}
  95
  96proc is_enabled {option} {
  97        global enabled_options
  98        if {[catch {set on $enabled_options($option)}]} {return 0}
  99        return $on
 100}
 101
 102proc enable_option {option} {
 103        global enabled_options
 104        set enabled_options($option) 1
 105}
 106
 107proc disable_option {option} {
 108        global enabled_options
 109        set enabled_options($option) 0
 110}
 111
 112######################################################################
 113##
 114## config
 115
 116proc is_many_config {name} {
 117        switch -glob -- $name {
 118        remote.*.fetch -
 119        remote.*.push
 120                {return 1}
 121        *
 122                {return 0}
 123        }
 124}
 125
 126proc is_config_true {name} {
 127        global repo_config
 128        if {[catch {set v $repo_config($name)}]} {
 129                return 0
 130        } elseif {$v eq {true} || $v eq {1} || $v eq {yes}} {
 131                return 1
 132        } else {
 133                return 0
 134        }
 135}
 136
 137proc load_config {include_global} {
 138        global repo_config global_config default_config
 139
 140        array unset global_config
 141        if {$include_global} {
 142                catch {
 143                        set fd_rc [open "| git config --global --list" r]
 144                        while {[gets $fd_rc line] >= 0} {
 145                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
 146                                        if {[is_many_config $name]} {
 147                                                lappend global_config($name) $value
 148                                        } else {
 149                                                set global_config($name) $value
 150                                        }
 151                                }
 152                        }
 153                        close $fd_rc
 154                }
 155        }
 156
 157        array unset repo_config
 158        catch {
 159                set fd_rc [open "| git config --list" r]
 160                while {[gets $fd_rc line] >= 0} {
 161                        if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
 162                                if {[is_many_config $name]} {
 163                                        lappend repo_config($name) $value
 164                                } else {
 165                                        set repo_config($name) $value
 166                                }
 167                        }
 168                }
 169                close $fd_rc
 170        }
 171
 172        foreach name [array names default_config] {
 173                if {[catch {set v $global_config($name)}]} {
 174                        set global_config($name) $default_config($name)
 175                }
 176                if {[catch {set v $repo_config($name)}]} {
 177                        set repo_config($name) $default_config($name)
 178                }
 179        }
 180}
 181
 182proc save_config {} {
 183        global default_config font_descs
 184        global repo_config global_config
 185        global repo_config_new global_config_new
 186
 187        foreach option $font_descs {
 188                set name [lindex $option 0]
 189                set font [lindex $option 1]
 190                font configure $font \
 191                        -family $global_config_new(gui.$font^^family) \
 192                        -size $global_config_new(gui.$font^^size)
 193                font configure ${font}bold \
 194                        -family $global_config_new(gui.$font^^family) \
 195                        -size $global_config_new(gui.$font^^size)
 196                set global_config_new(gui.$name) [font configure $font]
 197                unset global_config_new(gui.$font^^family)
 198                unset global_config_new(gui.$font^^size)
 199        }
 200
 201        foreach name [array names default_config] {
 202                set value $global_config_new($name)
 203                if {$value ne $global_config($name)} {
 204                        if {$value eq $default_config($name)} {
 205                                catch {git config --global --unset $name}
 206                        } else {
 207                                regsub -all "\[{}\]" $value {"} value
 208                                git config --global $name $value
 209                        }
 210                        set global_config($name) $value
 211                        if {$value eq $repo_config($name)} {
 212                                catch {git config --unset $name}
 213                                set repo_config($name) $value
 214                        }
 215                }
 216        }
 217
 218        foreach name [array names default_config] {
 219                set value $repo_config_new($name)
 220                if {$value ne $repo_config($name)} {
 221                        if {$value eq $global_config($name)} {
 222                                catch {git config --unset $name}
 223                        } else {
 224                                regsub -all "\[{}\]" $value {"} value
 225                                git config $name $value
 226                        }
 227                        set repo_config($name) $value
 228                }
 229        }
 230}
 231
 232######################################################################
 233##
 234## handy utils
 235
 236proc git {args} {
 237        return [eval exec git $args]
 238}
 239
 240proc error_popup {msg} {
 241        set title [appname]
 242        if {[reponame] ne {}} {
 243                append title " ([reponame])"
 244        }
 245        option add *Dialog.msg.font font_ui
 246        option add *Button.font font_ui
 247        set cmd [list tk_messageBox \
 248                -icon error \
 249                -type ok \
 250                -title "$title: error" \
 251                -message $msg]
 252        if {[winfo ismapped .]} {
 253                lappend cmd -parent .
 254        }
 255        eval $cmd
 256}
 257
 258proc warn_popup {msg} {
 259        set title [appname]
 260        if {[reponame] ne {}} {
 261                append title " ([reponame])"
 262        }
 263        option add *Dialog.msg.font font_ui
 264        option add *Button.font font_ui
 265        set cmd [list tk_messageBox \
 266                -icon warning \
 267                -type ok \
 268                -title "$title: warning" \
 269                -message $msg]
 270        if {[winfo ismapped .]} {
 271                lappend cmd -parent .
 272        }
 273        eval $cmd
 274}
 275
 276proc info_popup {msg {parent .}} {
 277        set title [appname]
 278        if {[reponame] ne {}} {
 279                append title " ([reponame])"
 280        }
 281        option add *Dialog.msg.font font_ui
 282        option add *Button.font font_ui
 283        tk_messageBox \
 284                -parent $parent \
 285                -icon info \
 286                -type ok \
 287                -title $title \
 288                -message $msg
 289}
 290
 291proc ask_popup {msg} {
 292        set title [appname]
 293        if {[reponame] ne {}} {
 294                append title " ([reponame])"
 295        }
 296        option add *Dialog.msg.font font_ui
 297        option add *Button.font font_ui
 298        return [tk_messageBox \
 299                -parent . \
 300                -icon question \
 301                -type yesno \
 302                -title $title \
 303                -message $msg]
 304}
 305
 306######################################################################
 307##
 308## version check
 309
 310if {{--version} eq $argv || {version} eq $argv} {
 311        puts "git-gui version $appvers"
 312        exit
 313}
 314
 315set req_maj 1
 316set req_min 5
 317
 318if {[catch {set v [git --version]} err]} {
 319        catch {wm withdraw .}
 320        error_popup "Cannot determine Git version:
 321
 322$err
 323
 324[appname] requires Git $req_maj.$req_min or later."
 325        exit 1
 326}
 327if {[regexp {^git version (\d+)\.(\d+)} $v _junk act_maj act_min]} {
 328        if {$act_maj < $req_maj
 329                || ($act_maj == $req_maj && $act_min < $req_min)} {
 330                catch {wm withdraw .}
 331                error_popup "[appname] requires Git $req_maj.$req_min or later.
 332
 333You are using $v."
 334                exit 1
 335        }
 336} else {
 337        catch {wm withdraw .}
 338        error_popup "Cannot parse Git version string:\n\n$v"
 339        exit 1
 340}
 341unset -nocomplain v _junk act_maj act_min req_maj req_min
 342
 343######################################################################
 344##
 345## repository setup
 346
 347if {   [catch {set _gitdir $env(GIT_DIR)}]
 348        && [catch {set _gitdir [git rev-parse --git-dir]} err]} {
 349        catch {wm withdraw .}
 350        error_popup "Cannot find the git directory:\n\n$err"
 351        exit 1
 352}
 353if {![file isdirectory $_gitdir] && [is_Cygwin]} {
 354        catch {set _gitdir [exec cygpath --unix $_gitdir]}
 355}
 356if {![file isdirectory $_gitdir]} {
 357        catch {wm withdraw .}
 358        error_popup "Git directory not found:\n\n$_gitdir"
 359        exit 1
 360}
 361if {[lindex [file split $_gitdir] end] ne {.git}} {
 362        catch {wm withdraw .}
 363        error_popup "Cannot use funny .git directory:\n\n$_gitdir"
 364        exit 1
 365}
 366if {[catch {cd [file dirname $_gitdir]} err]} {
 367        catch {wm withdraw .}
 368        error_popup "No working directory [file dirname $_gitdir]:\n\n$err"
 369        exit 1
 370}
 371set _reponame [lindex [file split \
 372        [file normalize [file dirname $_gitdir]]] \
 373        end]
 374
 375######################################################################
 376##
 377## global init
 378
 379set current_diff_path {}
 380set current_diff_side {}
 381set diff_actions [list]
 382set ui_status_value {Initializing...}
 383
 384set HEAD {}
 385set PARENT {}
 386set MERGE_HEAD [list]
 387set commit_type {}
 388set empty_tree {}
 389set current_branch {}
 390set current_diff_path {}
 391set selected_commit_type new
 392
 393######################################################################
 394##
 395## task management
 396
 397set rescan_active 0
 398set diff_active 0
 399set last_clicked {}
 400
 401set disable_on_lock [list]
 402set index_lock_type none
 403
 404proc lock_index {type} {
 405        global index_lock_type disable_on_lock
 406
 407        if {$index_lock_type eq {none}} {
 408                set index_lock_type $type
 409                foreach w $disable_on_lock {
 410                        uplevel #0 $w disabled
 411                }
 412                return 1
 413        } elseif {$index_lock_type eq "begin-$type"} {
 414                set index_lock_type $type
 415                return 1
 416        }
 417        return 0
 418}
 419
 420proc unlock_index {} {
 421        global index_lock_type disable_on_lock
 422
 423        set index_lock_type none
 424        foreach w $disable_on_lock {
 425                uplevel #0 $w normal
 426        }
 427}
 428
 429######################################################################
 430##
 431## status
 432
 433proc repository_state {ctvar hdvar mhvar} {
 434        global current_branch
 435        upvar $ctvar ct $hdvar hd $mhvar mh
 436
 437        set mh [list]
 438
 439        if {[catch {set current_branch [git symbolic-ref HEAD]}]} {
 440                set current_branch {}
 441        } else {
 442                regsub ^refs/((heads|tags|remotes)/)? \
 443                        $current_branch \
 444                        {} \
 445                        current_branch
 446        }
 447
 448        if {[catch {set hd [git rev-parse --verify HEAD]}]} {
 449                set hd {}
 450                set ct initial
 451                return
 452        }
 453
 454        set merge_head [gitdir MERGE_HEAD]
 455        if {[file exists $merge_head]} {
 456                set ct merge
 457                set fd_mh [open $merge_head r]
 458                while {[gets $fd_mh line] >= 0} {
 459                        lappend mh $line
 460                }
 461                close $fd_mh
 462                return
 463        }
 464
 465        set ct normal
 466}
 467
 468proc PARENT {} {
 469        global PARENT empty_tree
 470
 471        set p [lindex $PARENT 0]
 472        if {$p ne {}} {
 473                return $p
 474        }
 475        if {$empty_tree eq {}} {
 476                set empty_tree [git mktree << {}]
 477        }
 478        return $empty_tree
 479}
 480
 481proc rescan {after {honor_trustmtime 1}} {
 482        global HEAD PARENT MERGE_HEAD commit_type
 483        global ui_index ui_workdir ui_status_value ui_comm
 484        global rescan_active file_states
 485        global repo_config
 486
 487        if {$rescan_active > 0 || ![lock_index read]} return
 488
 489        repository_state newType newHEAD newMERGE_HEAD
 490        if {[string match amend* $commit_type]
 491                && $newType eq {normal}
 492                && $newHEAD eq $HEAD} {
 493        } else {
 494                set HEAD $newHEAD
 495                set PARENT $newHEAD
 496                set MERGE_HEAD $newMERGE_HEAD
 497                set commit_type $newType
 498        }
 499
 500        array unset file_states
 501
 502        if {![$ui_comm edit modified]
 503                || [string trim [$ui_comm get 0.0 end]] eq {}} {
 504                if {[load_message GITGUI_MSG]} {
 505                } elseif {[load_message MERGE_MSG]} {
 506                } elseif {[load_message SQUASH_MSG]} {
 507                }
 508                $ui_comm edit reset
 509                $ui_comm edit modified false
 510        }
 511
 512        if {[is_enabled branch]} {
 513                load_all_heads
 514                populate_branch_menu
 515        }
 516
 517        if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
 518                rescan_stage2 {} $after
 519        } else {
 520                set rescan_active 1
 521                set ui_status_value {Refreshing file status...}
 522                set cmd [list git update-index]
 523                lappend cmd -q
 524                lappend cmd --unmerged
 525                lappend cmd --ignore-missing
 526                lappend cmd --refresh
 527                set fd_rf [open "| $cmd" r]
 528                fconfigure $fd_rf -blocking 0 -translation binary
 529                fileevent $fd_rf readable \
 530                        [list rescan_stage2 $fd_rf $after]
 531        }
 532}
 533
 534proc rescan_stage2 {fd after} {
 535        global ui_status_value
 536        global rescan_active buf_rdi buf_rdf buf_rlo
 537
 538        if {$fd ne {}} {
 539                read $fd
 540                if {![eof $fd]} return
 541                close $fd
 542        }
 543
 544        set ls_others [list | git ls-files --others -z \
 545                --exclude-per-directory=.gitignore]
 546        set info_exclude [gitdir info exclude]
 547        if {[file readable $info_exclude]} {
 548                lappend ls_others "--exclude-from=$info_exclude"
 549        }
 550
 551        set buf_rdi {}
 552        set buf_rdf {}
 553        set buf_rlo {}
 554
 555        set rescan_active 3
 556        set ui_status_value {Scanning for modified files ...}
 557        set fd_di [open "| git diff-index --cached -z [PARENT]" r]
 558        set fd_df [open "| git diff-files -z" r]
 559        set fd_lo [open $ls_others r]
 560
 561        fconfigure $fd_di -blocking 0 -translation binary -encoding binary
 562        fconfigure $fd_df -blocking 0 -translation binary -encoding binary
 563        fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
 564        fileevent $fd_di readable [list read_diff_index $fd_di $after]
 565        fileevent $fd_df readable [list read_diff_files $fd_df $after]
 566        fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
 567}
 568
 569proc load_message {file} {
 570        global ui_comm
 571
 572        set f [gitdir $file]
 573        if {[file isfile $f]} {
 574                if {[catch {set fd [open $f r]}]} {
 575                        return 0
 576                }
 577                set content [string trim [read $fd]]
 578                close $fd
 579                regsub -all -line {[ \r\t]+$} $content {} content
 580                $ui_comm delete 0.0 end
 581                $ui_comm insert end $content
 582                return 1
 583        }
 584        return 0
 585}
 586
 587proc read_diff_index {fd after} {
 588        global buf_rdi
 589
 590        append buf_rdi [read $fd]
 591        set c 0
 592        set n [string length $buf_rdi]
 593        while {$c < $n} {
 594                set z1 [string first "\0" $buf_rdi $c]
 595                if {$z1 == -1} break
 596                incr z1
 597                set z2 [string first "\0" $buf_rdi $z1]
 598                if {$z2 == -1} break
 599
 600                incr c
 601                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
 602                set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
 603                merge_state \
 604                        [encoding convertfrom $p] \
 605                        [lindex $i 4]? \
 606                        [list [lindex $i 0] [lindex $i 2]] \
 607                        [list]
 608                set c $z2
 609                incr c
 610        }
 611        if {$c < $n} {
 612                set buf_rdi [string range $buf_rdi $c end]
 613        } else {
 614                set buf_rdi {}
 615        }
 616
 617        rescan_done $fd buf_rdi $after
 618}
 619
 620proc read_diff_files {fd after} {
 621        global buf_rdf
 622
 623        append buf_rdf [read $fd]
 624        set c 0
 625        set n [string length $buf_rdf]
 626        while {$c < $n} {
 627                set z1 [string first "\0" $buf_rdf $c]
 628                if {$z1 == -1} break
 629                incr z1
 630                set z2 [string first "\0" $buf_rdf $z1]
 631                if {$z2 == -1} break
 632
 633                incr c
 634                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
 635                set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
 636                merge_state \
 637                        [encoding convertfrom $p] \
 638                        ?[lindex $i 4] \
 639                        [list] \
 640                        [list [lindex $i 0] [lindex $i 2]]
 641                set c $z2
 642                incr c
 643        }
 644        if {$c < $n} {
 645                set buf_rdf [string range $buf_rdf $c end]
 646        } else {
 647                set buf_rdf {}
 648        }
 649
 650        rescan_done $fd buf_rdf $after
 651}
 652
 653proc read_ls_others {fd after} {
 654        global buf_rlo
 655
 656        append buf_rlo [read $fd]
 657        set pck [split $buf_rlo "\0"]
 658        set buf_rlo [lindex $pck end]
 659        foreach p [lrange $pck 0 end-1] {
 660                merge_state [encoding convertfrom $p] ?O
 661        }
 662        rescan_done $fd buf_rlo $after
 663}
 664
 665proc rescan_done {fd buf after} {
 666        global rescan_active
 667        global file_states repo_config
 668        upvar $buf to_clear
 669
 670        if {![eof $fd]} return
 671        set to_clear {}
 672        close $fd
 673        if {[incr rescan_active -1] > 0} return
 674
 675        prune_selection
 676        unlock_index
 677        display_all_files
 678        reshow_diff
 679        uplevel #0 $after
 680}
 681
 682proc prune_selection {} {
 683        global file_states selected_paths
 684
 685        foreach path [array names selected_paths] {
 686                if {[catch {set still_here $file_states($path)}]} {
 687                        unset selected_paths($path)
 688                }
 689        }
 690}
 691
 692######################################################################
 693##
 694## diff
 695
 696proc clear_diff {} {
 697        global ui_diff current_diff_path current_diff_header
 698        global ui_index ui_workdir
 699
 700        $ui_diff conf -state normal
 701        $ui_diff delete 0.0 end
 702        $ui_diff conf -state disabled
 703
 704        set current_diff_path {}
 705        set current_diff_header {}
 706
 707        $ui_index tag remove in_diff 0.0 end
 708        $ui_workdir tag remove in_diff 0.0 end
 709}
 710
 711proc reshow_diff {} {
 712        global ui_status_value file_states file_lists
 713        global current_diff_path current_diff_side
 714
 715        set p $current_diff_path
 716        if {$p eq {}} {
 717                # No diff is being shown.
 718        } elseif {$current_diff_side eq {}
 719                || [catch {set s $file_states($p)}]
 720                || [lsearch -sorted -exact $file_lists($current_diff_side) $p] == -1} {
 721                clear_diff
 722        } else {
 723                show_diff $p $current_diff_side
 724        }
 725}
 726
 727proc handle_empty_diff {} {
 728        global current_diff_path file_states file_lists
 729
 730        set path $current_diff_path
 731        set s $file_states($path)
 732        if {[lindex $s 0] ne {_M}} return
 733
 734        info_popup "No differences detected.
 735
 736[short_path $path] has no changes.
 737
 738The modification date of this file was updated by another application, but the content within the file was not changed.
 739
 740A rescan will be automatically started to find other files which may have the same state."
 741
 742        clear_diff
 743        display_file $path __
 744        rescan {set ui_status_value {Ready.}} 0
 745}
 746
 747proc show_diff {path w {lno {}}} {
 748        global file_states file_lists
 749        global is_3way_diff diff_active repo_config
 750        global ui_diff ui_status_value ui_index ui_workdir
 751        global current_diff_path current_diff_side current_diff_header
 752
 753        if {$diff_active || ![lock_index read]} return
 754
 755        clear_diff
 756        if {$lno == {}} {
 757                set lno [lsearch -sorted -exact $file_lists($w) $path]
 758                if {$lno >= 0} {
 759                        incr lno
 760                }
 761        }
 762        if {$lno >= 1} {
 763                $w tag add in_diff $lno.0 [expr {$lno + 1}].0
 764        }
 765
 766        set s $file_states($path)
 767        set m [lindex $s 0]
 768        set is_3way_diff 0
 769        set diff_active 1
 770        set current_diff_path $path
 771        set current_diff_side $w
 772        set current_diff_header {}
 773        set ui_status_value "Loading diff of [escape_path $path]..."
 774
 775        # - Git won't give us the diff, there's nothing to compare to!
 776        #
 777        if {$m eq {_O}} {
 778                set max_sz [expr {128 * 1024}]
 779                if {[catch {
 780                                set fd [open $path r]
 781                                set content [read $fd $max_sz]
 782                                close $fd
 783                                set sz [file size $path]
 784                        } err ]} {
 785                        set diff_active 0
 786                        unlock_index
 787                        set ui_status_value "Unable to display [escape_path $path]"
 788                        error_popup "Error loading file:\n\n$err"
 789                        return
 790                }
 791                $ui_diff conf -state normal
 792                if {![catch {set type [exec file $path]}]} {
 793                        set n [string length $path]
 794                        if {[string equal -length $n $path $type]} {
 795                                set type [string range $type $n end]
 796                                regsub {^:?\s*} $type {} type
 797                        }
 798                        $ui_diff insert end "* $type\n" d_@
 799                }
 800                if {[string first "\0" $content] != -1} {
 801                        $ui_diff insert end \
 802                                "* Binary file (not showing content)." \
 803                                d_@
 804                } else {
 805                        if {$sz > $max_sz} {
 806                                $ui_diff insert end \
 807"* Untracked file is $sz bytes.
 808* Showing only first $max_sz bytes.
 809" d_@
 810                        }
 811                        $ui_diff insert end $content
 812                        if {$sz > $max_sz} {
 813                                $ui_diff insert end "
 814* Untracked file clipped here by [appname].
 815* To see the entire file, use an external editor.
 816" d_@
 817                        }
 818                }
 819                $ui_diff conf -state disabled
 820                set diff_active 0
 821                unlock_index
 822                set ui_status_value {Ready.}
 823                return
 824        }
 825
 826        set cmd [list | git]
 827        if {$w eq $ui_index} {
 828                lappend cmd diff-index
 829                lappend cmd --cached
 830        } elseif {$w eq $ui_workdir} {
 831                if {[string index $m 0] eq {U}} {
 832                        lappend cmd diff
 833                } else {
 834                        lappend cmd diff-files
 835                }
 836        }
 837
 838        lappend cmd -p
 839        lappend cmd --no-color
 840        if {$repo_config(gui.diffcontext) > 0} {
 841                lappend cmd "-U$repo_config(gui.diffcontext)"
 842        }
 843        if {$w eq $ui_index} {
 844                lappend cmd [PARENT]
 845        }
 846        lappend cmd --
 847        lappend cmd $path
 848
 849        if {[catch {set fd [open $cmd r]} err]} {
 850                set diff_active 0
 851                unlock_index
 852                set ui_status_value "Unable to display [escape_path $path]"
 853                error_popup "Error loading diff:\n\n$err"
 854                return
 855        }
 856
 857        fconfigure $fd \
 858                -blocking 0 \
 859                -encoding binary \
 860                -translation binary
 861        fileevent $fd readable [list read_diff $fd]
 862}
 863
 864proc read_diff {fd} {
 865        global ui_diff ui_status_value diff_active
 866        global is_3way_diff current_diff_header
 867
 868        $ui_diff conf -state normal
 869        while {[gets $fd line] >= 0} {
 870                # -- Cleanup uninteresting diff header lines.
 871                #
 872                if {   [string match {diff --git *}      $line]
 873                        || [string match {diff --cc *}       $line]
 874                        || [string match {diff --combined *} $line]
 875                        || [string match {--- *}             $line]
 876                        || [string match {+++ *}             $line]} {
 877                        append current_diff_header $line "\n"
 878                        continue
 879                }
 880                if {[string match {index *} $line]} continue
 881                if {$line eq {deleted file mode 120000}} {
 882                        set line "deleted symlink"
 883                }
 884
 885                # -- Automatically detect if this is a 3 way diff.
 886                #
 887                if {[string match {@@@ *} $line]} {set is_3way_diff 1}
 888
 889                if {[string match {mode *} $line]
 890                        || [string match {new file *} $line]
 891                        || [string match {deleted file *} $line]
 892                        || [string match {Binary files * and * differ} $line]
 893                        || $line eq {\ No newline at end of file}
 894                        || [regexp {^\* Unmerged path } $line]} {
 895                        set tags {}
 896                } elseif {$is_3way_diff} {
 897                        set op [string range $line 0 1]
 898                        switch -- $op {
 899                        {  } {set tags {}}
 900                        {@@} {set tags d_@}
 901                        { +} {set tags d_s+}
 902                        { -} {set tags d_s-}
 903                        {+ } {set tags d_+s}
 904                        {- } {set tags d_-s}
 905                        {--} {set tags d_--}
 906                        {++} {
 907                                if {[regexp {^\+\+([<>]{7} |={7})} $line _g op]} {
 908                                        set line [string replace $line 0 1 {  }]
 909                                        set tags d$op
 910                                } else {
 911                                        set tags d_++
 912                                }
 913                        }
 914                        default {
 915                                puts "error: Unhandled 3 way diff marker: {$op}"
 916                                set tags {}
 917                        }
 918                        }
 919                } else {
 920                        set op [string index $line 0]
 921                        switch -- $op {
 922                        { } {set tags {}}
 923                        {@} {set tags d_@}
 924                        {-} {set tags d_-}
 925                        {+} {
 926                                if {[regexp {^\+([<>]{7} |={7})} $line _g op]} {
 927                                        set line [string replace $line 0 0 { }]
 928                                        set tags d$op
 929                                } else {
 930                                        set tags d_+
 931                                }
 932                        }
 933                        default {
 934                                puts "error: Unhandled 2 way diff marker: {$op}"
 935                                set tags {}
 936                        }
 937                        }
 938                }
 939                $ui_diff insert end $line $tags
 940                if {[string index $line end] eq "\r"} {
 941                        $ui_diff tag add d_cr {end - 2c}
 942                }
 943                $ui_diff insert end "\n" $tags
 944        }
 945        $ui_diff conf -state disabled
 946
 947        if {[eof $fd]} {
 948                close $fd
 949                set diff_active 0
 950                unlock_index
 951                set ui_status_value {Ready.}
 952
 953                if {[$ui_diff index end] eq {2.0}} {
 954                        handle_empty_diff
 955                }
 956        }
 957}
 958
 959proc apply_hunk {x y} {
 960        global current_diff_path current_diff_header current_diff_side
 961        global ui_diff ui_index file_states
 962
 963        if {$current_diff_path eq {} || $current_diff_header eq {}} return
 964        if {![lock_index apply_hunk]} return
 965
 966        set apply_cmd {git apply --cached --whitespace=nowarn}
 967        set mi [lindex $file_states($current_diff_path) 0]
 968        if {$current_diff_side eq $ui_index} {
 969                set mode unstage
 970                lappend apply_cmd --reverse
 971                if {[string index $mi 0] ne {M}} {
 972                        unlock_index
 973                        return
 974                }
 975        } else {
 976                set mode stage
 977                if {[string index $mi 1] ne {M}} {
 978                        unlock_index
 979                        return
 980                }
 981        }
 982
 983        set s_lno [lindex [split [$ui_diff index @$x,$y] .] 0]
 984        set s_lno [$ui_diff search -backwards -regexp ^@@ $s_lno.0 0.0]
 985        if {$s_lno eq {}} {
 986                unlock_index
 987                return
 988        }
 989
 990        set e_lno [$ui_diff search -forwards -regexp ^@@ "$s_lno + 1 lines" end]
 991        if {$e_lno eq {}} {
 992                set e_lno end
 993        }
 994
 995        if {[catch {
 996                set p [open "| $apply_cmd" w]
 997                fconfigure $p -translation binary -encoding binary
 998                puts -nonewline $p $current_diff_header
 999                puts -nonewline $p [$ui_diff get $s_lno $e_lno]
1000                close $p} err]} {
1001                error_popup "Failed to $mode selected hunk.\n\n$err"
1002                unlock_index
1003                return
1004        }
1005
1006        $ui_diff conf -state normal
1007        $ui_diff delete $s_lno $e_lno
1008        $ui_diff conf -state disabled
1009
1010        if {[$ui_diff get 1.0 end] eq "\n"} {
1011                set o _
1012        } else {
1013                set o ?
1014        }
1015
1016        if {$current_diff_side eq $ui_index} {
1017                set mi ${o}M
1018        } elseif {[string index $mi 0] eq {_}} {
1019                set mi M$o
1020        } else {
1021                set mi ?$o
1022        }
1023        unlock_index
1024        display_file $current_diff_path $mi
1025        if {$o eq {_}} {
1026                clear_diff
1027        }
1028}
1029
1030######################################################################
1031##
1032## commit
1033
1034proc load_last_commit {} {
1035        global HEAD PARENT MERGE_HEAD commit_type ui_comm
1036        global repo_config
1037
1038        if {[llength $PARENT] == 0} {
1039                error_popup {There is nothing to amend.
1040
1041You are about to create the initial commit.  There is no commit before this to amend.
1042}
1043                return
1044        }
1045
1046        repository_state curType curHEAD curMERGE_HEAD
1047        if {$curType eq {merge}} {
1048                error_popup {Cannot amend while merging.
1049
1050You are currently in the middle of a merge that has not been fully completed.  You cannot amend the prior commit unless you first abort the current merge activity.
1051}
1052                return
1053        }
1054
1055        set msg {}
1056        set parents [list]
1057        if {[catch {
1058                        set fd [open "| git cat-file commit $curHEAD" r]
1059                        fconfigure $fd -encoding binary -translation lf
1060                        if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
1061                                set enc utf-8
1062                        }
1063                        while {[gets $fd line] > 0} {
1064                                if {[string match {parent *} $line]} {
1065                                        lappend parents [string range $line 7 end]
1066                                } elseif {[string match {encoding *} $line]} {
1067                                        set enc [string tolower [string range $line 9 end]]
1068                                }
1069                        }
1070                        fconfigure $fd -encoding $enc
1071                        set msg [string trim [read $fd]]
1072                        close $fd
1073                } err]} {
1074                error_popup "Error loading commit data for amend:\n\n$err"
1075                return
1076        }
1077
1078        set HEAD $curHEAD
1079        set PARENT $parents
1080        set MERGE_HEAD [list]
1081        switch -- [llength $parents] {
1082        0       {set commit_type amend-initial}
1083        1       {set commit_type amend}
1084        default {set commit_type amend-merge}
1085        }
1086
1087        $ui_comm delete 0.0 end
1088        $ui_comm insert end $msg
1089        $ui_comm edit reset
1090        $ui_comm edit modified false
1091        rescan {set ui_status_value {Ready.}}
1092}
1093
1094proc create_new_commit {} {
1095        global commit_type ui_comm
1096
1097        set commit_type normal
1098        $ui_comm delete 0.0 end
1099        $ui_comm edit reset
1100        $ui_comm edit modified false
1101        rescan {set ui_status_value {Ready.}}
1102}
1103
1104set GIT_COMMITTER_IDENT {}
1105
1106proc committer_ident {} {
1107        global GIT_COMMITTER_IDENT
1108
1109        if {$GIT_COMMITTER_IDENT eq {}} {
1110                if {[catch {set me [git var GIT_COMMITTER_IDENT]} err]} {
1111                        error_popup "Unable to obtain your identity:\n\n$err"
1112                        return {}
1113                }
1114                if {![regexp {^(.*) [0-9]+ [-+0-9]+$} \
1115                        $me me GIT_COMMITTER_IDENT]} {
1116                        error_popup "Invalid GIT_COMMITTER_IDENT:\n\n$me"
1117                        return {}
1118                }
1119        }
1120
1121        return $GIT_COMMITTER_IDENT
1122}
1123
1124proc commit_tree {} {
1125        global HEAD commit_type file_states ui_comm repo_config
1126        global ui_status_value pch_error
1127
1128        if {[committer_ident] eq {}} return
1129        if {![lock_index update]} return
1130
1131        # -- Our in memory state should match the repository.
1132        #
1133        repository_state curType curHEAD curMERGE_HEAD
1134        if {[string match amend* $commit_type]
1135                && $curType eq {normal}
1136                && $curHEAD eq $HEAD} {
1137        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
1138                info_popup {Last scanned state does not match repository state.
1139
1140Another Git program has modified this repository since the last scan.  A rescan must be performed before another commit can be created.
1141
1142The rescan will be automatically started now.
1143}
1144                unlock_index
1145                rescan {set ui_status_value {Ready.}}
1146                return
1147        }
1148
1149        # -- At least one file should differ in the index.
1150        #
1151        set files_ready 0
1152        foreach path [array names file_states] {
1153                switch -glob -- [lindex $file_states($path) 0] {
1154                _? {continue}
1155                A? -
1156                D? -
1157                M? {set files_ready 1}
1158                U? {
1159                        error_popup "Unmerged files cannot be committed.
1160
1161File [short_path $path] has merge conflicts.  You must resolve them and add the file before committing.
1162"
1163                        unlock_index
1164                        return
1165                }
1166                default {
1167                        error_popup "Unknown file state [lindex $s 0] detected.
1168
1169File [short_path $path] cannot be committed by this program.
1170"
1171                }
1172                }
1173        }
1174        if {!$files_ready && ![string match *merge $curType]} {
1175                info_popup {No changes to commit.
1176
1177You must add at least 1 file before you can commit.
1178}
1179                unlock_index
1180                return
1181        }
1182
1183        # -- A message is required.
1184        #
1185        set msg [string trim [$ui_comm get 1.0 end]]
1186        regsub -all -line {[ \t\r]+$} $msg {} msg
1187        if {$msg eq {}} {
1188                error_popup {Please supply a commit message.
1189
1190A good commit message has the following format:
1191
1192- First line: Describe in one sentance what you did.
1193- Second line: Blank
1194- Remaining lines: Describe why this change is good.
1195}
1196                unlock_index
1197                return
1198        }
1199
1200        # -- Run the pre-commit hook.
1201        #
1202        set pchook [gitdir hooks pre-commit]
1203
1204        # On Cygwin [file executable] might lie so we need to ask
1205        # the shell if the hook is executable.  Yes that's annoying.
1206        #
1207        if {[is_Cygwin] && [file isfile $pchook]} {
1208                set pchook [list sh -c [concat \
1209                        "if test -x \"$pchook\";" \
1210                        "then exec \"$pchook\" 2>&1;" \
1211                        "fi"]]
1212        } elseif {[file executable $pchook]} {
1213                set pchook [list $pchook |& cat]
1214        } else {
1215                commit_writetree $curHEAD $msg
1216                return
1217        }
1218
1219        set ui_status_value {Calling pre-commit hook...}
1220        set pch_error {}
1221        set fd_ph [open "| $pchook" r]
1222        fconfigure $fd_ph -blocking 0 -translation binary
1223        fileevent $fd_ph readable \
1224                [list commit_prehook_wait $fd_ph $curHEAD $msg]
1225}
1226
1227proc commit_prehook_wait {fd_ph curHEAD msg} {
1228        global pch_error ui_status_value
1229
1230        append pch_error [read $fd_ph]
1231        fconfigure $fd_ph -blocking 1
1232        if {[eof $fd_ph]} {
1233                if {[catch {close $fd_ph}]} {
1234                        set ui_status_value {Commit declined by pre-commit hook.}
1235                        hook_failed_popup pre-commit $pch_error
1236                        unlock_index
1237                } else {
1238                        commit_writetree $curHEAD $msg
1239                }
1240                set pch_error {}
1241                return
1242        }
1243        fconfigure $fd_ph -blocking 0
1244}
1245
1246proc commit_writetree {curHEAD msg} {
1247        global ui_status_value
1248
1249        set ui_status_value {Committing changes...}
1250        set fd_wt [open "| git write-tree" r]
1251        fileevent $fd_wt readable \
1252                [list commit_committree $fd_wt $curHEAD $msg]
1253}
1254
1255proc commit_committree {fd_wt curHEAD msg} {
1256        global HEAD PARENT MERGE_HEAD commit_type
1257        global all_heads current_branch
1258        global ui_status_value ui_comm selected_commit_type
1259        global file_states selected_paths rescan_active
1260        global repo_config
1261
1262        gets $fd_wt tree_id
1263        if {$tree_id eq {} || [catch {close $fd_wt} err]} {
1264                error_popup "write-tree failed:\n\n$err"
1265                set ui_status_value {Commit failed.}
1266                unlock_index
1267                return
1268        }
1269
1270        # -- Verify this wasn't an empty change.
1271        #
1272        if {$commit_type eq {normal}} {
1273                set old_tree [git rev-parse "$PARENT^{tree}"]
1274                if {$tree_id eq $old_tree} {
1275                        info_popup {No changes to commit.
1276
1277No files were modified by this commit and it was not a merge commit.
1278
1279A rescan will be automatically started now.
1280}
1281                        unlock_index
1282                        rescan {set ui_status_value {No changes to commit.}}
1283                        return
1284                }
1285        }
1286
1287        # -- Build the message.
1288        #
1289        set msg_p [gitdir COMMIT_EDITMSG]
1290        set msg_wt [open $msg_p w]
1291        if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
1292                set enc utf-8
1293        }
1294        fconfigure $msg_wt -encoding $enc -translation binary
1295        puts -nonewline $msg_wt $msg
1296        close $msg_wt
1297
1298        # -- Create the commit.
1299        #
1300        set cmd [list git commit-tree $tree_id]
1301        foreach p [concat $PARENT $MERGE_HEAD] {
1302                lappend cmd -p $p
1303        }
1304        lappend cmd <$msg_p
1305        if {[catch {set cmt_id [eval exec $cmd]} err]} {
1306                error_popup "commit-tree failed:\n\n$err"
1307                set ui_status_value {Commit failed.}
1308                unlock_index
1309                return
1310        }
1311
1312        # -- Update the HEAD ref.
1313        #
1314        set reflogm commit
1315        if {$commit_type ne {normal}} {
1316                append reflogm " ($commit_type)"
1317        }
1318        set i [string first "\n" $msg]
1319        if {$i >= 0} {
1320                append reflogm {: } [string range $msg 0 [expr {$i - 1}]]
1321        } else {
1322                append reflogm {: } $msg
1323        }
1324        set cmd [list git update-ref -m $reflogm HEAD $cmt_id $curHEAD]
1325        if {[catch {eval exec $cmd} err]} {
1326                error_popup "update-ref failed:\n\n$err"
1327                set ui_status_value {Commit failed.}
1328                unlock_index
1329                return
1330        }
1331
1332        # -- Cleanup after ourselves.
1333        #
1334        catch {file delete $msg_p}
1335        catch {file delete [gitdir MERGE_HEAD]}
1336        catch {file delete [gitdir MERGE_MSG]}
1337        catch {file delete [gitdir SQUASH_MSG]}
1338        catch {file delete [gitdir GITGUI_MSG]}
1339
1340        # -- Let rerere do its thing.
1341        #
1342        if {[file isdirectory [gitdir rr-cache]]} {
1343                catch {git rerere}
1344        }
1345
1346        # -- Run the post-commit hook.
1347        #
1348        set pchook [gitdir hooks post-commit]
1349        if {[is_Cygwin] && [file isfile $pchook]} {
1350                set pchook [list sh -c [concat \
1351                        "if test -x \"$pchook\";" \
1352                        "then exec \"$pchook\";" \
1353                        "fi"]]
1354        } elseif {![file executable $pchook]} {
1355                set pchook {}
1356        }
1357        if {$pchook ne {}} {
1358                catch {exec $pchook &}
1359        }
1360
1361        $ui_comm delete 0.0 end
1362        $ui_comm edit reset
1363        $ui_comm edit modified false
1364
1365        if {[is_enabled singlecommit]} do_quit
1366
1367        # -- Make sure our current branch exists.
1368        #
1369        if {$commit_type eq {initial}} {
1370                lappend all_heads $current_branch
1371                set all_heads [lsort -unique $all_heads]
1372                populate_branch_menu
1373        }
1374
1375        # -- Update in memory status
1376        #
1377        set selected_commit_type new
1378        set commit_type normal
1379        set HEAD $cmt_id
1380        set PARENT $cmt_id
1381        set MERGE_HEAD [list]
1382
1383        foreach path [array names file_states] {
1384                set s $file_states($path)
1385                set m [lindex $s 0]
1386                switch -glob -- $m {
1387                _O -
1388                _M -
1389                _D {continue}
1390                __ -
1391                A_ -
1392                M_ -
1393                D_ {
1394                        unset file_states($path)
1395                        catch {unset selected_paths($path)}
1396                }
1397                DO {
1398                        set file_states($path) [list _O [lindex $s 1] {} {}]
1399                }
1400                AM -
1401                AD -
1402                MM -
1403                MD {
1404                        set file_states($path) [list \
1405                                _[string index $m 1] \
1406                                [lindex $s 1] \
1407                                [lindex $s 3] \
1408                                {}]
1409                }
1410                }
1411        }
1412
1413        display_all_files
1414        unlock_index
1415        reshow_diff
1416        set ui_status_value \
1417                "Changes committed as [string range $cmt_id 0 7]."
1418}
1419
1420######################################################################
1421##
1422## fetch push
1423
1424proc fetch_from {remote} {
1425        set w [new_console \
1426                "fetch $remote" \
1427                "Fetching new changes from $remote"]
1428        set cmd [list git fetch]
1429        lappend cmd $remote
1430        console_exec $w $cmd console_done
1431}
1432
1433proc push_to {remote} {
1434        set w [new_console \
1435                "push $remote" \
1436                "Pushing changes to $remote"]
1437        set cmd [list git push]
1438        lappend cmd -v
1439        lappend cmd $remote
1440        console_exec $w $cmd console_done
1441}
1442
1443######################################################################
1444##
1445## ui helpers
1446
1447proc mapicon {w state path} {
1448        global all_icons
1449
1450        if {[catch {set r $all_icons($state$w)}]} {
1451                puts "error: no icon for $w state={$state} $path"
1452                return file_plain
1453        }
1454        return $r
1455}
1456
1457proc mapdesc {state path} {
1458        global all_descs
1459
1460        if {[catch {set r $all_descs($state)}]} {
1461                puts "error: no desc for state={$state} $path"
1462                return $state
1463        }
1464        return $r
1465}
1466
1467proc escape_path {path} {
1468        regsub -all {\\} $path "\\\\" path
1469        regsub -all "\n" $path "\\n" path
1470        return $path
1471}
1472
1473proc short_path {path} {
1474        return [escape_path [lindex [file split $path] end]]
1475}
1476
1477set next_icon_id 0
1478set null_sha1 [string repeat 0 40]
1479
1480proc merge_state {path new_state {head_info {}} {index_info {}}} {
1481        global file_states next_icon_id null_sha1
1482
1483        set s0 [string index $new_state 0]
1484        set s1 [string index $new_state 1]
1485
1486        if {[catch {set info $file_states($path)}]} {
1487                set state __
1488                set icon n[incr next_icon_id]
1489        } else {
1490                set state [lindex $info 0]
1491                set icon [lindex $info 1]
1492                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1493                if {$index_info eq {}} {set index_info [lindex $info 3]}
1494        }
1495
1496        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1497        elseif {$s0 eq {_}} {set s0 _}
1498
1499        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1500        elseif {$s1 eq {_}} {set s1 _}
1501
1502        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1503                set head_info [list 0 $null_sha1]
1504        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1505                && $head_info eq {}} {
1506                set head_info $index_info
1507        }
1508
1509        set file_states($path) [list $s0$s1 $icon \
1510                $head_info $index_info \
1511                ]
1512        return $state
1513}
1514
1515proc display_file_helper {w path icon_name old_m new_m} {
1516        global file_lists
1517
1518        if {$new_m eq {_}} {
1519                set lno [lsearch -sorted -exact $file_lists($w) $path]
1520                if {$lno >= 0} {
1521                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1522                        incr lno
1523                        $w conf -state normal
1524                        $w delete $lno.0 [expr {$lno + 1}].0
1525                        $w conf -state disabled
1526                }
1527        } elseif {$old_m eq {_} && $new_m ne {_}} {
1528                lappend file_lists($w) $path
1529                set file_lists($w) [lsort -unique $file_lists($w)]
1530                set lno [lsearch -sorted -exact $file_lists($w) $path]
1531                incr lno
1532                $w conf -state normal
1533                $w image create $lno.0 \
1534                        -align center -padx 5 -pady 1 \
1535                        -name $icon_name \
1536                        -image [mapicon $w $new_m $path]
1537                $w insert $lno.1 "[escape_path $path]\n"
1538                $w conf -state disabled
1539        } elseif {$old_m ne $new_m} {
1540                $w conf -state normal
1541                $w image conf $icon_name -image [mapicon $w $new_m $path]
1542                $w conf -state disabled
1543        }
1544}
1545
1546proc display_file {path state} {
1547        global file_states selected_paths
1548        global ui_index ui_workdir
1549
1550        set old_m [merge_state $path $state]
1551        set s $file_states($path)
1552        set new_m [lindex $s 0]
1553        set icon_name [lindex $s 1]
1554
1555        set o [string index $old_m 0]
1556        set n [string index $new_m 0]
1557        if {$o eq {U}} {
1558                set o _
1559        }
1560        if {$n eq {U}} {
1561                set n _
1562        }
1563        display_file_helper     $ui_index $path $icon_name $o $n
1564
1565        if {[string index $old_m 0] eq {U}} {
1566                set o U
1567        } else {
1568                set o [string index $old_m 1]
1569        }
1570        if {[string index $new_m 0] eq {U}} {
1571                set n U
1572        } else {
1573                set n [string index $new_m 1]
1574        }
1575        display_file_helper     $ui_workdir $path $icon_name $o $n
1576
1577        if {$new_m eq {__}} {
1578                unset file_states($path)
1579                catch {unset selected_paths($path)}
1580        }
1581}
1582
1583proc display_all_files_helper {w path icon_name m} {
1584        global file_lists
1585
1586        lappend file_lists($w) $path
1587        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1588        $w image create end \
1589                -align center -padx 5 -pady 1 \
1590                -name $icon_name \
1591                -image [mapicon $w $m $path]
1592        $w insert end "[escape_path $path]\n"
1593}
1594
1595proc display_all_files {} {
1596        global ui_index ui_workdir
1597        global file_states file_lists
1598        global last_clicked
1599
1600        $ui_index conf -state normal
1601        $ui_workdir conf -state normal
1602
1603        $ui_index delete 0.0 end
1604        $ui_workdir delete 0.0 end
1605        set last_clicked {}
1606
1607        set file_lists($ui_index) [list]
1608        set file_lists($ui_workdir) [list]
1609
1610        foreach path [lsort [array names file_states]] {
1611                set s $file_states($path)
1612                set m [lindex $s 0]
1613                set icon_name [lindex $s 1]
1614
1615                set s [string index $m 0]
1616                if {$s ne {U} && $s ne {_}} {
1617                        display_all_files_helper $ui_index $path \
1618                                $icon_name $s
1619                }
1620
1621                if {[string index $m 0] eq {U}} {
1622                        set s U
1623                } else {
1624                        set s [string index $m 1]
1625                }
1626                if {$s ne {_}} {
1627                        display_all_files_helper $ui_workdir $path \
1628                                $icon_name $s
1629                }
1630        }
1631
1632        $ui_index conf -state disabled
1633        $ui_workdir conf -state disabled
1634}
1635
1636proc update_indexinfo {msg pathList after} {
1637        global update_index_cp ui_status_value
1638
1639        if {![lock_index update]} return
1640
1641        set update_index_cp 0
1642        set pathList [lsort $pathList]
1643        set totalCnt [llength $pathList]
1644        set batch [expr {int($totalCnt * .01) + 1}]
1645        if {$batch > 25} {set batch 25}
1646
1647        set ui_status_value [format \
1648                "$msg... %i/%i files (%.2f%%)" \
1649                $update_index_cp \
1650                $totalCnt \
1651                0.0]
1652        set fd [open "| git update-index -z --index-info" w]
1653        fconfigure $fd \
1654                -blocking 0 \
1655                -buffering full \
1656                -buffersize 512 \
1657                -encoding binary \
1658                -translation binary
1659        fileevent $fd writable [list \
1660                write_update_indexinfo \
1661                $fd \
1662                $pathList \
1663                $totalCnt \
1664                $batch \
1665                $msg \
1666                $after \
1667                ]
1668}
1669
1670proc write_update_indexinfo {fd pathList totalCnt batch msg after} {
1671        global update_index_cp ui_status_value
1672        global file_states current_diff_path
1673
1674        if {$update_index_cp >= $totalCnt} {
1675                close $fd
1676                unlock_index
1677                uplevel #0 $after
1678                return
1679        }
1680
1681        for {set i $batch} \
1682                {$update_index_cp < $totalCnt && $i > 0} \
1683                {incr i -1} {
1684                set path [lindex $pathList $update_index_cp]
1685                incr update_index_cp
1686
1687                set s $file_states($path)
1688                switch -glob -- [lindex $s 0] {
1689                A? {set new _O}
1690                M? {set new _M}
1691                D_ {set new _D}
1692                D? {set new _?}
1693                ?? {continue}
1694                }
1695                set info [lindex $s 2]
1696                if {$info eq {}} continue
1697
1698                puts -nonewline $fd "$info\t[encoding convertto $path]\0"
1699                display_file $path $new
1700        }
1701
1702        set ui_status_value [format \
1703                "$msg... %i/%i files (%.2f%%)" \
1704                $update_index_cp \
1705                $totalCnt \
1706                [expr {100.0 * $update_index_cp / $totalCnt}]]
1707}
1708
1709proc update_index {msg pathList after} {
1710        global update_index_cp ui_status_value
1711
1712        if {![lock_index update]} return
1713
1714        set update_index_cp 0
1715        set pathList [lsort $pathList]
1716        set totalCnt [llength $pathList]
1717        set batch [expr {int($totalCnt * .01) + 1}]
1718        if {$batch > 25} {set batch 25}
1719
1720        set ui_status_value [format \
1721                "$msg... %i/%i files (%.2f%%)" \
1722                $update_index_cp \
1723                $totalCnt \
1724                0.0]
1725        set fd [open "| git update-index --add --remove -z --stdin" w]
1726        fconfigure $fd \
1727                -blocking 0 \
1728                -buffering full \
1729                -buffersize 512 \
1730                -encoding binary \
1731                -translation binary
1732        fileevent $fd writable [list \
1733                write_update_index \
1734                $fd \
1735                $pathList \
1736                $totalCnt \
1737                $batch \
1738                $msg \
1739                $after \
1740                ]
1741}
1742
1743proc write_update_index {fd pathList totalCnt batch msg after} {
1744        global update_index_cp ui_status_value
1745        global file_states current_diff_path
1746
1747        if {$update_index_cp >= $totalCnt} {
1748                close $fd
1749                unlock_index
1750                uplevel #0 $after
1751                return
1752        }
1753
1754        for {set i $batch} \
1755                {$update_index_cp < $totalCnt && $i > 0} \
1756                {incr i -1} {
1757                set path [lindex $pathList $update_index_cp]
1758                incr update_index_cp
1759
1760                switch -glob -- [lindex $file_states($path) 0] {
1761                AD {set new __}
1762                ?D {set new D_}
1763                _O -
1764                AM {set new A_}
1765                U? {
1766                        if {[file exists $path]} {
1767                                set new M_
1768                        } else {
1769                                set new D_
1770                        }
1771                }
1772                ?M {set new M_}
1773                ?? {continue}
1774                }
1775                puts -nonewline $fd "[encoding convertto $path]\0"
1776                display_file $path $new
1777        }
1778
1779        set ui_status_value [format \
1780                "$msg... %i/%i files (%.2f%%)" \
1781                $update_index_cp \
1782                $totalCnt \
1783                [expr {100.0 * $update_index_cp / $totalCnt}]]
1784}
1785
1786proc checkout_index {msg pathList after} {
1787        global update_index_cp ui_status_value
1788
1789        if {![lock_index update]} return
1790
1791        set update_index_cp 0
1792        set pathList [lsort $pathList]
1793        set totalCnt [llength $pathList]
1794        set batch [expr {int($totalCnt * .01) + 1}]
1795        if {$batch > 25} {set batch 25}
1796
1797        set ui_status_value [format \
1798                "$msg... %i/%i files (%.2f%%)" \
1799                $update_index_cp \
1800                $totalCnt \
1801                0.0]
1802        set cmd [list git checkout-index]
1803        lappend cmd --index
1804        lappend cmd --quiet
1805        lappend cmd --force
1806        lappend cmd -z
1807        lappend cmd --stdin
1808        set fd [open "| $cmd " w]
1809        fconfigure $fd \
1810                -blocking 0 \
1811                -buffering full \
1812                -buffersize 512 \
1813                -encoding binary \
1814                -translation binary
1815        fileevent $fd writable [list \
1816                write_checkout_index \
1817                $fd \
1818                $pathList \
1819                $totalCnt \
1820                $batch \
1821                $msg \
1822                $after \
1823                ]
1824}
1825
1826proc write_checkout_index {fd pathList totalCnt batch msg after} {
1827        global update_index_cp ui_status_value
1828        global file_states current_diff_path
1829
1830        if {$update_index_cp >= $totalCnt} {
1831                close $fd
1832                unlock_index
1833                uplevel #0 $after
1834                return
1835        }
1836
1837        for {set i $batch} \
1838                {$update_index_cp < $totalCnt && $i > 0} \
1839                {incr i -1} {
1840                set path [lindex $pathList $update_index_cp]
1841                incr update_index_cp
1842                switch -glob -- [lindex $file_states($path) 0] {
1843                U? {continue}
1844                ?M -
1845                ?D {
1846                        puts -nonewline $fd "[encoding convertto $path]\0"
1847                        display_file $path ?_
1848                }
1849                }
1850        }
1851
1852        set ui_status_value [format \
1853                "$msg... %i/%i files (%.2f%%)" \
1854                $update_index_cp \
1855                $totalCnt \
1856                [expr {100.0 * $update_index_cp / $totalCnt}]]
1857}
1858
1859######################################################################
1860##
1861## branch management
1862
1863proc is_tracking_branch {name} {
1864        global tracking_branches
1865
1866        if {![catch {set info $tracking_branches($name)}]} {
1867                return 1
1868        }
1869        foreach t [array names tracking_branches] {
1870                if {[string match {*/\*} $t] && [string match $t $name]} {
1871                        return 1
1872                }
1873        }
1874        return 0
1875}
1876
1877proc load_all_heads {} {
1878        global all_heads
1879
1880        set all_heads [list]
1881        set fd [open "| git for-each-ref --format=%(refname) refs/heads" r]
1882        while {[gets $fd line] > 0} {
1883                if {[is_tracking_branch $line]} continue
1884                if {![regsub ^refs/heads/ $line {} name]} continue
1885                lappend all_heads $name
1886        }
1887        close $fd
1888
1889        set all_heads [lsort $all_heads]
1890}
1891
1892proc populate_branch_menu {} {
1893        global all_heads disable_on_lock
1894
1895        set m .mbar.branch
1896        set last [$m index last]
1897        for {set i 0} {$i <= $last} {incr i} {
1898                if {[$m type $i] eq {separator}} {
1899                        $m delete $i last
1900                        set new_dol [list]
1901                        foreach a $disable_on_lock {
1902                                if {[lindex $a 0] ne $m || [lindex $a 2] < $i} {
1903                                        lappend new_dol $a
1904                                }
1905                        }
1906                        set disable_on_lock $new_dol
1907                        break
1908                }
1909        }
1910
1911        if {$all_heads ne {}} {
1912                $m add separator
1913        }
1914        foreach b $all_heads {
1915                $m add radiobutton \
1916                        -label $b \
1917                        -command [list switch_branch $b] \
1918                        -variable current_branch \
1919                        -value $b \
1920                        -font font_ui
1921                lappend disable_on_lock \
1922                        [list $m entryconf [$m index last] -state]
1923        }
1924}
1925
1926proc all_tracking_branches {} {
1927        global tracking_branches
1928
1929        set all_trackings {}
1930        set cmd {}
1931        foreach name [array names tracking_branches] {
1932                if {[regsub {/\*$} $name {} name]} {
1933                        lappend cmd $name
1934                } else {
1935                        regsub ^refs/(heads|remotes)/ $name {} name
1936                        lappend all_trackings $name
1937                }
1938        }
1939
1940        if {$cmd ne {}} {
1941                set fd [open "| git for-each-ref --format=%(refname) $cmd" r]
1942                while {[gets $fd name] > 0} {
1943                        regsub ^refs/(heads|remotes)/ $name {} name
1944                        lappend all_trackings $name
1945                }
1946                close $fd
1947        }
1948
1949        return [lsort -unique $all_trackings]
1950}
1951
1952proc load_all_tags {} {
1953        set all_tags [list]
1954        set fd [open "| git for-each-ref --format=%(refname) refs/tags" r]
1955        while {[gets $fd line] > 0} {
1956                if {![regsub ^refs/tags/ $line {} name]} continue
1957                lappend all_tags $name
1958        }
1959        close $fd
1960
1961        return [lsort $all_tags]
1962}
1963
1964proc do_create_branch_action {w} {
1965        global all_heads null_sha1 repo_config
1966        global create_branch_checkout create_branch_revtype
1967        global create_branch_head create_branch_trackinghead
1968        global create_branch_name create_branch_revexp
1969        global create_branch_tag
1970
1971        set newbranch $create_branch_name
1972        if {$newbranch eq {}
1973                || $newbranch eq $repo_config(gui.newbranchtemplate)} {
1974                tk_messageBox \
1975                        -icon error \
1976                        -type ok \
1977                        -title [wm title $w] \
1978                        -parent $w \
1979                        -message "Please supply a branch name."
1980                focus $w.desc.name_t
1981                return
1982        }
1983        if {![catch {git show-ref --verify -- "refs/heads/$newbranch"}]} {
1984                tk_messageBox \
1985                        -icon error \
1986                        -type ok \
1987                        -title [wm title $w] \
1988                        -parent $w \
1989                        -message "Branch '$newbranch' already exists."
1990                focus $w.desc.name_t
1991                return
1992        }
1993        if {[catch {git check-ref-format "heads/$newbranch"}]} {
1994                tk_messageBox \
1995                        -icon error \
1996                        -type ok \
1997                        -title [wm title $w] \
1998                        -parent $w \
1999                        -message "We do not like '$newbranch' as a branch name."
2000                focus $w.desc.name_t
2001                return
2002        }
2003
2004        set rev {}
2005        switch -- $create_branch_revtype {
2006        head {set rev $create_branch_head}
2007        tracking {set rev $create_branch_trackinghead}
2008        tag {set rev $create_branch_tag}
2009        expression {set rev $create_branch_revexp}
2010        }
2011        if {[catch {set cmt [git rev-parse --verify "${rev}^0"]}]} {
2012                tk_messageBox \
2013                        -icon error \
2014                        -type ok \
2015                        -title [wm title $w] \
2016                        -parent $w \
2017                        -message "Invalid starting revision: $rev"
2018                return
2019        }
2020        set cmd [list git update-ref]
2021        lappend cmd -m
2022        lappend cmd "branch: Created from $rev"
2023        lappend cmd "refs/heads/$newbranch"
2024        lappend cmd $cmt
2025        lappend cmd $null_sha1
2026        if {[catch {eval exec $cmd} err]} {
2027                tk_messageBox \
2028                        -icon error \
2029                        -type ok \
2030                        -title [wm title $w] \
2031                        -parent $w \
2032                        -message "Failed to create '$newbranch'.\n\n$err"
2033                return
2034        }
2035
2036        lappend all_heads $newbranch
2037        set all_heads [lsort $all_heads]
2038        populate_branch_menu
2039        destroy $w
2040        if {$create_branch_checkout} {
2041                switch_branch $newbranch
2042        }
2043}
2044
2045proc radio_selector {varname value args} {
2046        upvar #0 $varname var
2047        set var $value
2048}
2049
2050trace add variable create_branch_head write \
2051        [list radio_selector create_branch_revtype head]
2052trace add variable create_branch_trackinghead write \
2053        [list radio_selector create_branch_revtype tracking]
2054trace add variable create_branch_tag write \
2055        [list radio_selector create_branch_revtype tag]
2056
2057trace add variable delete_branch_head write \
2058        [list radio_selector delete_branch_checktype head]
2059trace add variable delete_branch_trackinghead write \
2060        [list radio_selector delete_branch_checktype tracking]
2061
2062proc do_create_branch {} {
2063        global all_heads current_branch repo_config
2064        global create_branch_checkout create_branch_revtype
2065        global create_branch_head create_branch_trackinghead
2066        global create_branch_name create_branch_revexp
2067        global create_branch_tag
2068
2069        set w .branch_editor
2070        toplevel $w
2071        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2072
2073        label $w.header -text {Create New Branch} \
2074                -font font_uibold
2075        pack $w.header -side top -fill x
2076
2077        frame $w.buttons
2078        button $w.buttons.create -text Create \
2079                -font font_ui \
2080                -default active \
2081                -command [list do_create_branch_action $w]
2082        pack $w.buttons.create -side right
2083        button $w.buttons.cancel -text {Cancel} \
2084                -font font_ui \
2085                -command [list destroy $w]
2086        pack $w.buttons.cancel -side right -padx 5
2087        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2088
2089        labelframe $w.desc \
2090                -text {Branch Description} \
2091                -font font_ui
2092        label $w.desc.name_l -text {Name:} -font font_ui
2093        entry $w.desc.name_t \
2094                -borderwidth 1 \
2095                -relief sunken \
2096                -width 40 \
2097                -textvariable create_branch_name \
2098                -font font_ui \
2099                -validate key \
2100                -validatecommand {
2101                        if {%d == 1 && [regexp {[~^:?*\[\0- ]} %S]} {return 0}
2102                        return 1
2103                }
2104        grid $w.desc.name_l $w.desc.name_t -sticky we -padx {0 5}
2105        grid columnconfigure $w.desc 1 -weight 1
2106        pack $w.desc -anchor nw -fill x -pady 5 -padx 5
2107
2108        labelframe $w.from \
2109                -text {Starting Revision} \
2110                -font font_ui
2111        radiobutton $w.from.head_r \
2112                -text {Local Branch:} \
2113                -value head \
2114                -variable create_branch_revtype \
2115                -font font_ui
2116        set lbranchm [eval tk_optionMenu $w.from.head_m create_branch_head \
2117                $all_heads]
2118        $lbranchm configure -font font_ui
2119        $w.from.head_m configure -font font_ui
2120        grid $w.from.head_r $w.from.head_m -sticky w
2121        set all_trackings [all_tracking_branches]
2122        if {$all_trackings ne {}} {
2123                set create_branch_trackinghead [lindex $all_trackings 0]
2124                radiobutton $w.from.tracking_r \
2125                        -text {Tracking Branch:} \
2126                        -value tracking \
2127                        -variable create_branch_revtype \
2128                        -font font_ui
2129                set tbranchm [eval tk_optionMenu $w.from.tracking_m \
2130                        create_branch_trackinghead \
2131                        $all_trackings]
2132                $tbranchm configure -font font_ui
2133                $w.from.tracking_m configure -font font_ui
2134                grid $w.from.tracking_r $w.from.tracking_m -sticky w
2135        }
2136        set all_tags [load_all_tags]
2137        if {$all_tags ne {}} {
2138                set create_branch_tag [lindex $all_tags 0]
2139                radiobutton $w.from.tag_r \
2140                        -text {Tag:} \
2141                        -value tag \
2142                        -variable create_branch_revtype \
2143                        -font font_ui
2144                set tagsm [eval tk_optionMenu $w.from.tag_m \
2145                        create_branch_tag \
2146                        $all_tags]
2147                $tagsm configure -font font_ui
2148                $w.from.tag_m configure -font font_ui
2149                grid $w.from.tag_r $w.from.tag_m -sticky w
2150        }
2151        radiobutton $w.from.exp_r \
2152                -text {Revision Expression:} \
2153                -value expression \
2154                -variable create_branch_revtype \
2155                -font font_ui
2156        entry $w.from.exp_t \
2157                -borderwidth 1 \
2158                -relief sunken \
2159                -width 50 \
2160                -textvariable create_branch_revexp \
2161                -font font_ui \
2162                -validate key \
2163                -validatecommand {
2164                        if {%d == 1 && [regexp {\s} %S]} {return 0}
2165                        if {%d == 1 && [string length %S] > 0} {
2166                                set create_branch_revtype expression
2167                        }
2168                        return 1
2169                }
2170        grid $w.from.exp_r $w.from.exp_t -sticky we -padx {0 5}
2171        grid columnconfigure $w.from 1 -weight 1
2172        pack $w.from -anchor nw -fill x -pady 5 -padx 5
2173
2174        labelframe $w.postActions \
2175                -text {Post Creation Actions} \
2176                -font font_ui
2177        checkbutton $w.postActions.checkout \
2178                -text {Checkout after creation} \
2179                -variable create_branch_checkout \
2180                -font font_ui
2181        pack $w.postActions.checkout -anchor nw
2182        pack $w.postActions -anchor nw -fill x -pady 5 -padx 5
2183
2184        set create_branch_checkout 1
2185        set create_branch_head $current_branch
2186        set create_branch_revtype head
2187        set create_branch_name $repo_config(gui.newbranchtemplate)
2188        set create_branch_revexp {}
2189
2190        bind $w <Visibility> "
2191                grab $w
2192                $w.desc.name_t icursor end
2193                focus $w.desc.name_t
2194        "
2195        bind $w <Key-Escape> "destroy $w"
2196        bind $w <Key-Return> "do_create_branch_action $w;break"
2197        wm title $w "[appname] ([reponame]): Create Branch"
2198        tkwait window $w
2199}
2200
2201proc do_delete_branch_action {w} {
2202        global all_heads
2203        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
2204
2205        set check_rev {}
2206        switch -- $delete_branch_checktype {
2207        head {set check_rev $delete_branch_head}
2208        tracking {set check_rev $delete_branch_trackinghead}
2209        always {set check_rev {:none}}
2210        }
2211        if {$check_rev eq {:none}} {
2212                set check_cmt {}
2213        } elseif {[catch {set check_cmt [git rev-parse --verify "${check_rev}^0"]}]} {
2214                tk_messageBox \
2215                        -icon error \
2216                        -type ok \
2217                        -title [wm title $w] \
2218                        -parent $w \
2219                        -message "Invalid check revision: $check_rev"
2220                return
2221        }
2222
2223        set to_delete [list]
2224        set not_merged [list]
2225        foreach i [$w.list.l curselection] {
2226                set b [$w.list.l get $i]
2227                if {[catch {set o [git rev-parse --verify $b]}]} continue
2228                if {$check_cmt ne {}} {
2229                        if {$b eq $check_rev} continue
2230                        if {[catch {set m [git merge-base $o $check_cmt]}]} continue
2231                        if {$o ne $m} {
2232                                lappend not_merged $b
2233                                continue
2234                        }
2235                }
2236                lappend to_delete [list $b $o]
2237        }
2238        if {$not_merged ne {}} {
2239                set msg "The following branches are not completely merged into $check_rev:
2240
2241 - [join $not_merged "\n - "]"
2242                tk_messageBox \
2243                        -icon info \
2244                        -type ok \
2245                        -title [wm title $w] \
2246                        -parent $w \
2247                        -message $msg
2248        }
2249        if {$to_delete eq {}} return
2250        if {$delete_branch_checktype eq {always}} {
2251                set msg {Recovering deleted branches is difficult.
2252
2253Delete the selected branches?}
2254                if {[tk_messageBox \
2255                        -icon warning \
2256                        -type yesno \
2257                        -title [wm title $w] \
2258                        -parent $w \
2259                        -message $msg] ne yes} {
2260                        return
2261                }
2262        }
2263
2264        set failed {}
2265        foreach i $to_delete {
2266                set b [lindex $i 0]
2267                set o [lindex $i 1]
2268                if {[catch {git update-ref -d "refs/heads/$b" $o} err]} {
2269                        append failed " - $b: $err\n"
2270                } else {
2271                        set x [lsearch -sorted -exact $all_heads $b]
2272                        if {$x >= 0} {
2273                                set all_heads [lreplace $all_heads $x $x]
2274                        }
2275                }
2276        }
2277
2278        if {$failed ne {}} {
2279                tk_messageBox \
2280                        -icon error \
2281                        -type ok \
2282                        -title [wm title $w] \
2283                        -parent $w \
2284                        -message "Failed to delete branches:\n$failed"
2285        }
2286
2287        set all_heads [lsort $all_heads]
2288        populate_branch_menu
2289        destroy $w
2290}
2291
2292proc do_delete_branch {} {
2293        global all_heads tracking_branches current_branch
2294        global delete_branch_checktype delete_branch_head delete_branch_trackinghead
2295
2296        set w .branch_editor
2297        toplevel $w
2298        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2299
2300        label $w.header -text {Delete Local Branch} \
2301                -font font_uibold
2302        pack $w.header -side top -fill x
2303
2304        frame $w.buttons
2305        button $w.buttons.create -text Delete \
2306                -font font_ui \
2307                -command [list do_delete_branch_action $w]
2308        pack $w.buttons.create -side right
2309        button $w.buttons.cancel -text {Cancel} \
2310                -font font_ui \
2311                -command [list destroy $w]
2312        pack $w.buttons.cancel -side right -padx 5
2313        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2314
2315        labelframe $w.list \
2316                -text {Local Branches} \
2317                -font font_ui
2318        listbox $w.list.l \
2319                -height 10 \
2320                -width 70 \
2321                -selectmode extended \
2322                -yscrollcommand [list $w.list.sby set] \
2323                -font font_ui
2324        foreach h $all_heads {
2325                if {$h ne $current_branch} {
2326                        $w.list.l insert end $h
2327                }
2328        }
2329        scrollbar $w.list.sby -command [list $w.list.l yview]
2330        pack $w.list.sby -side right -fill y
2331        pack $w.list.l -side left -fill both -expand 1
2332        pack $w.list -fill both -expand 1 -pady 5 -padx 5
2333
2334        labelframe $w.validate \
2335                -text {Delete Only If} \
2336                -font font_ui
2337        radiobutton $w.validate.head_r \
2338                -text {Merged Into Local Branch:} \
2339                -value head \
2340                -variable delete_branch_checktype \
2341                -font font_ui
2342        set mergedlocalm [eval tk_optionMenu $w.validate.head_m \
2343                delete_branch_head \
2344                $all_heads]
2345        $mergedlocalm configure -font font_ui
2346        $w.validate.head_m configure -font font_ui
2347        grid $w.validate.head_r $w.validate.head_m -sticky w
2348        set all_trackings [all_tracking_branches]
2349        if {$all_trackings ne {}} {
2350                set delete_branch_trackinghead [lindex $all_trackings 0]
2351                radiobutton $w.validate.tracking_r \
2352                        -text {Merged Into Tracking Branch:} \
2353                        -value tracking \
2354                        -variable delete_branch_checktype \
2355                        -font font_ui
2356                set mergedtrackm [eval tk_optionMenu $w.validate.tracking_m \
2357                        delete_branch_trackinghead \
2358                        $all_trackings]
2359                $mergedtrackm configure -font font_ui
2360                $w.validate.tracking_m configure -font font_ui
2361                grid $w.validate.tracking_r $w.validate.tracking_m -sticky w
2362        }
2363        radiobutton $w.validate.always_r \
2364                -text {Always (Do not perform merge checks)} \
2365                -value always \
2366                -variable delete_branch_checktype \
2367                -font font_ui
2368        grid $w.validate.always_r -columnspan 2 -sticky w
2369        grid columnconfigure $w.validate 1 -weight 1
2370        pack $w.validate -anchor nw -fill x -pady 5 -padx 5
2371
2372        set delete_branch_head $current_branch
2373        set delete_branch_checktype head
2374
2375        bind $w <Visibility> "grab $w; focus $w"
2376        bind $w <Key-Escape> "destroy $w"
2377        wm title $w "[appname] ([reponame]): Delete Branch"
2378        tkwait window $w
2379}
2380
2381proc switch_branch {new_branch} {
2382        global HEAD commit_type current_branch repo_config
2383
2384        if {![lock_index switch]} return
2385
2386        # -- Our in memory state should match the repository.
2387        #
2388        repository_state curType curHEAD curMERGE_HEAD
2389        if {[string match amend* $commit_type]
2390                && $curType eq {normal}
2391                && $curHEAD eq $HEAD} {
2392        } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
2393                info_popup {Last scanned state does not match repository state.
2394
2395Another Git program has modified this repository since the last scan.  A rescan must be performed before the current branch can be changed.
2396
2397The rescan will be automatically started now.
2398}
2399                unlock_index
2400                rescan {set ui_status_value {Ready.}}
2401                return
2402        }
2403
2404        # -- Don't do a pointless switch.
2405        #
2406        if {$current_branch eq $new_branch} {
2407                unlock_index
2408                return
2409        }
2410
2411        if {$repo_config(gui.trustmtime) eq {true}} {
2412                switch_branch_stage2 {} $new_branch
2413        } else {
2414                set ui_status_value {Refreshing file status...}
2415                set cmd [list git update-index]
2416                lappend cmd -q
2417                lappend cmd --unmerged
2418                lappend cmd --ignore-missing
2419                lappend cmd --refresh
2420                set fd_rf [open "| $cmd" r]
2421                fconfigure $fd_rf -blocking 0 -translation binary
2422                fileevent $fd_rf readable \
2423                        [list switch_branch_stage2 $fd_rf $new_branch]
2424        }
2425}
2426
2427proc switch_branch_stage2 {fd_rf new_branch} {
2428        global ui_status_value HEAD
2429
2430        if {$fd_rf ne {}} {
2431                read $fd_rf
2432                if {![eof $fd_rf]} return
2433                close $fd_rf
2434        }
2435
2436        set ui_status_value "Updating working directory to '$new_branch'..."
2437        set cmd [list git read-tree]
2438        lappend cmd -m
2439        lappend cmd -u
2440        lappend cmd --exclude-per-directory=.gitignore
2441        lappend cmd $HEAD
2442        lappend cmd $new_branch
2443        set fd_rt [open "| $cmd" r]
2444        fconfigure $fd_rt -blocking 0 -translation binary
2445        fileevent $fd_rt readable \
2446                [list switch_branch_readtree_wait $fd_rt $new_branch]
2447}
2448
2449proc switch_branch_readtree_wait {fd_rt new_branch} {
2450        global selected_commit_type commit_type HEAD MERGE_HEAD PARENT
2451        global current_branch
2452        global ui_comm ui_status_value
2453
2454        # -- We never get interesting output on stdout; only stderr.
2455        #
2456        read $fd_rt
2457        fconfigure $fd_rt -blocking 1
2458        if {![eof $fd_rt]} {
2459                fconfigure $fd_rt -blocking 0
2460                return
2461        }
2462
2463        # -- The working directory wasn't in sync with the index and
2464        #    we'd have to overwrite something to make the switch. A
2465        #    merge is required.
2466        #
2467        if {[catch {close $fd_rt} err]} {
2468                regsub {^fatal: } $err {} err
2469                warn_popup "File level merge required.
2470
2471$err
2472
2473Staying on branch '$current_branch'."
2474                set ui_status_value "Aborted checkout of '$new_branch' (file level merging is required)."
2475                unlock_index
2476                return
2477        }
2478
2479        # -- Update the symbolic ref.  Core git doesn't even check for failure
2480        #    here, it Just Works(tm).  If it doesn't we are in some really ugly
2481        #    state that is difficult to recover from within git-gui.
2482        #
2483        if {[catch {git symbolic-ref HEAD "refs/heads/$new_branch"} err]} {
2484                error_popup "Failed to set current branch.
2485
2486This working directory is only partially switched.  We successfully updated your files, but failed to update an internal Git file.
2487
2488This should not have occurred.  [appname] will now close and give up.
2489
2490$err"
2491                do_quit
2492                return
2493        }
2494
2495        # -- Update our repository state.  If we were previously in amend mode
2496        #    we need to toss the current buffer and do a full rescan to update
2497        #    our file lists.  If we weren't in amend mode our file lists are
2498        #    accurate and we can avoid the rescan.
2499        #
2500        unlock_index
2501        set selected_commit_type new
2502        if {[string match amend* $commit_type]} {
2503                $ui_comm delete 0.0 end
2504                $ui_comm edit reset
2505                $ui_comm edit modified false
2506                rescan {set ui_status_value "Checked out branch '$current_branch'."}
2507        } else {
2508                repository_state commit_type HEAD MERGE_HEAD
2509                set PARENT $HEAD
2510                set ui_status_value "Checked out branch '$current_branch'."
2511        }
2512}
2513
2514######################################################################
2515##
2516## remote management
2517
2518proc load_all_remotes {} {
2519        global repo_config
2520        global all_remotes tracking_branches
2521
2522        set all_remotes [list]
2523        array unset tracking_branches
2524
2525        set rm_dir [gitdir remotes]
2526        if {[file isdirectory $rm_dir]} {
2527                set all_remotes [glob \
2528                        -types f \
2529                        -tails \
2530                        -nocomplain \
2531                        -directory $rm_dir *]
2532
2533                foreach name $all_remotes {
2534                        catch {
2535                                set fd [open [file join $rm_dir $name] r]
2536                                while {[gets $fd line] >= 0} {
2537                                        if {![regexp {^Pull:[   ]*([^:]+):(.+)$} \
2538                                                $line line src dst]} continue
2539                                        if {![regexp ^refs/ $dst]} {
2540                                                set dst "refs/heads/$dst"
2541                                        }
2542                                        set tracking_branches($dst) [list $name $src]
2543                                }
2544                                close $fd
2545                        }
2546                }
2547        }
2548
2549        foreach line [array names repo_config remote.*.url] {
2550                if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
2551                lappend all_remotes $name
2552
2553                if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
2554                        set fl {}
2555                }
2556                foreach line $fl {
2557                        if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
2558                        if {![regexp ^refs/ $dst]} {
2559                                set dst "refs/heads/$dst"
2560                        }
2561                        set tracking_branches($dst) [list $name $src]
2562                }
2563        }
2564
2565        set all_remotes [lsort -unique $all_remotes]
2566}
2567
2568proc populate_fetch_menu {} {
2569        global all_remotes repo_config
2570
2571        set m .mbar.fetch
2572        foreach r $all_remotes {
2573                set enable 0
2574                if {![catch {set a $repo_config(remote.$r.url)}]} {
2575                        if {![catch {set a $repo_config(remote.$r.fetch)}]} {
2576                                set enable 1
2577                        }
2578                } else {
2579                        catch {
2580                                set fd [open [gitdir remotes $r] r]
2581                                while {[gets $fd n] >= 0} {
2582                                        if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
2583                                                set enable 1
2584                                                break
2585                                        }
2586                                }
2587                                close $fd
2588                        }
2589                }
2590
2591                if {$enable} {
2592                        $m add command \
2593                                -label "Fetch from $r..." \
2594                                -command [list fetch_from $r] \
2595                                -font font_ui
2596                }
2597        }
2598}
2599
2600proc populate_push_menu {} {
2601        global all_remotes repo_config
2602
2603        set m .mbar.push
2604        set fast_count 0
2605        foreach r $all_remotes {
2606                set enable 0
2607                if {![catch {set a $repo_config(remote.$r.url)}]} {
2608                        if {![catch {set a $repo_config(remote.$r.push)}]} {
2609                                set enable 1
2610                        }
2611                } else {
2612                        catch {
2613                                set fd [open [gitdir remotes $r] r]
2614                                while {[gets $fd n] >= 0} {
2615                                        if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
2616                                                set enable 1
2617                                                break
2618                                        }
2619                                }
2620                                close $fd
2621                        }
2622                }
2623
2624                if {$enable} {
2625                        if {!$fast_count} {
2626                                $m add separator
2627                        }
2628                        $m add command \
2629                                -label "Push to $r..." \
2630                                -command [list push_to $r] \
2631                                -font font_ui
2632                        incr fast_count
2633                }
2634        }
2635}
2636
2637proc start_push_anywhere_action {w} {
2638        global push_urltype push_remote push_url push_thin push_tags
2639
2640        set r_url {}
2641        switch -- $push_urltype {
2642        remote {set r_url $push_remote}
2643        url {set r_url $push_url}
2644        }
2645        if {$r_url eq {}} return
2646
2647        set cmd [list git push]
2648        lappend cmd -v
2649        if {$push_thin} {
2650                lappend cmd --thin
2651        }
2652        if {$push_tags} {
2653                lappend cmd --tags
2654        }
2655        lappend cmd $r_url
2656        set cnt 0
2657        foreach i [$w.source.l curselection] {
2658                set b [$w.source.l get $i]
2659                lappend cmd "refs/heads/$b:refs/heads/$b"
2660                incr cnt
2661        }
2662        if {$cnt == 0} {
2663                return
2664        } elseif {$cnt == 1} {
2665                set unit branch
2666        } else {
2667                set unit branches
2668        }
2669
2670        set cons [new_console "push $r_url" "Pushing $cnt $unit to $r_url"]
2671        console_exec $cons $cmd console_done
2672        destroy $w
2673}
2674
2675trace add variable push_remote write \
2676        [list radio_selector push_urltype remote]
2677
2678proc do_push_anywhere {} {
2679        global all_heads all_remotes current_branch
2680        global push_urltype push_remote push_url push_thin push_tags
2681
2682        set w .push_setup
2683        toplevel $w
2684        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2685
2686        label $w.header -text {Push Branches} -font font_uibold
2687        pack $w.header -side top -fill x
2688
2689        frame $w.buttons
2690        button $w.buttons.create -text Push \
2691                -font font_ui \
2692                -default active \
2693                -command [list start_push_anywhere_action $w]
2694        pack $w.buttons.create -side right
2695        button $w.buttons.cancel -text {Cancel} \
2696                -font font_ui \
2697                -default normal \
2698                -command [list destroy $w]
2699        pack $w.buttons.cancel -side right -padx 5
2700        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2701
2702        labelframe $w.source \
2703                -text {Source Branches} \
2704                -font font_ui
2705        listbox $w.source.l \
2706                -height 10 \
2707                -width 70 \
2708                -selectmode extended \
2709                -yscrollcommand [list $w.source.sby set] \
2710                -font font_ui
2711        foreach h $all_heads {
2712                $w.source.l insert end $h
2713                if {$h eq $current_branch} {
2714                        $w.source.l select set end
2715                }
2716        }
2717        scrollbar $w.source.sby -command [list $w.source.l yview]
2718        pack $w.source.sby -side right -fill y
2719        pack $w.source.l -side left -fill both -expand 1
2720        pack $w.source -fill both -expand 1 -pady 5 -padx 5
2721
2722        labelframe $w.dest \
2723                -text {Destination Repository} \
2724                -font font_ui
2725        if {$all_remotes ne {}} {
2726                radiobutton $w.dest.remote_r \
2727                        -text {Remote:} \
2728                        -value remote \
2729                        -variable push_urltype \
2730                        -font font_ui
2731                set remmenu [eval tk_optionMenu $w.dest.remote_m push_remote \
2732                        $all_remotes]
2733                $remmenu configure -font font_ui
2734                $w.dest.remote_m configure -font font_ui
2735                grid $w.dest.remote_r $w.dest.remote_m -sticky w
2736                if {[lsearch -sorted -exact $all_remotes origin] != -1} {
2737                        set push_remote origin
2738                } else {
2739                        set push_remote [lindex $all_remotes 0]
2740                }
2741                set push_urltype remote
2742        } else {
2743                set push_urltype url
2744        }
2745        radiobutton $w.dest.url_r \
2746                -text {Arbitrary URL:} \
2747                -value url \
2748                -variable push_urltype \
2749                -font font_ui
2750        entry $w.dest.url_t \
2751                -borderwidth 1 \
2752                -relief sunken \
2753                -width 50 \
2754                -textvariable push_url \
2755                -font font_ui \
2756                -validate key \
2757                -validatecommand {
2758                        if {%d == 1 && [regexp {\s} %S]} {return 0}
2759                        if {%d == 1 && [string length %S] > 0} {
2760                                set push_urltype url
2761                        }
2762                        return 1
2763                }
2764        grid $w.dest.url_r $w.dest.url_t -sticky we -padx {0 5}
2765        grid columnconfigure $w.dest 1 -weight 1
2766        pack $w.dest -anchor nw -fill x -pady 5 -padx 5
2767
2768        labelframe $w.options \
2769                -text {Transfer Options} \
2770                -font font_ui
2771        checkbutton $w.options.thin \
2772                -text {Use thin pack (for slow network connections)} \
2773                -variable push_thin \
2774                -font font_ui
2775        grid $w.options.thin -columnspan 2 -sticky w
2776        checkbutton $w.options.tags \
2777                -text {Include tags} \
2778                -variable push_tags \
2779                -font font_ui
2780        grid $w.options.tags -columnspan 2 -sticky w
2781        grid columnconfigure $w.options 1 -weight 1
2782        pack $w.options -anchor nw -fill x -pady 5 -padx 5
2783
2784        set push_url {}
2785        set push_thin 0
2786        set push_tags 0
2787
2788        bind $w <Visibility> "grab $w; focus $w.buttons.create"
2789        bind $w <Key-Escape> "destroy $w"
2790        bind $w <Key-Return> [list start_push_anywhere_action $w]
2791        wm title $w "[appname] ([reponame]): Push"
2792        tkwait window $w
2793}
2794
2795######################################################################
2796##
2797## merge
2798
2799proc can_merge {} {
2800        global HEAD commit_type file_states
2801
2802        if {[string match amend* $commit_type]} {
2803                info_popup {Cannot merge while amending.
2804
2805You must finish amending this commit before starting any type of merge.
2806}
2807                return 0
2808        }
2809
2810        if {[committer_ident] eq {}} {return 0}
2811        if {![lock_index merge]} {return 0}
2812
2813        # -- Our in memory state should match the repository.
2814        #
2815        repository_state curType curHEAD curMERGE_HEAD
2816        if {$commit_type ne $curType || $HEAD ne $curHEAD} {
2817                info_popup {Last scanned state does not match repository state.
2818
2819Another Git program has modified this repository since the last scan.  A rescan must be performed before a merge can be performed.
2820
2821The rescan will be automatically started now.
2822}
2823                unlock_index
2824                rescan {set ui_status_value {Ready.}}
2825                return 0
2826        }
2827
2828        foreach path [array names file_states] {
2829                switch -glob -- [lindex $file_states($path) 0] {
2830                _O {
2831                        continue; # and pray it works!
2832                }
2833                U? {
2834                        error_popup "You are in the middle of a conflicted merge.
2835
2836File [short_path $path] has merge conflicts.
2837
2838You must resolve them, add the file, and commit to complete the current merge.  Only then can you begin another merge.
2839"
2840                        unlock_index
2841                        return 0
2842                }
2843                ?? {
2844                        error_popup "You are in the middle of a change.
2845
2846File [short_path $path] is modified.
2847
2848You should complete the current commit before starting a merge.  Doing so will help you abort a failed merge, should the need arise.
2849"
2850                        unlock_index
2851                        return 0
2852                }
2853                }
2854        }
2855
2856        return 1
2857}
2858
2859proc visualize_local_merge {w} {
2860        set revs {}
2861        foreach i [$w.source.l curselection] {
2862                lappend revs [$w.source.l get $i]
2863        }
2864        if {$revs eq {}} return
2865        lappend revs --not HEAD
2866        do_gitk $revs
2867}
2868
2869proc start_local_merge_action {w} {
2870        global HEAD ui_status_value current_branch
2871
2872        set cmd [list git merge]
2873        set names {}
2874        set revcnt 0
2875        foreach i [$w.source.l curselection] {
2876                set b [$w.source.l get $i]
2877                lappend cmd $b
2878                lappend names $b
2879                incr revcnt
2880        }
2881
2882        if {$revcnt == 0} {
2883                return
2884        } elseif {$revcnt == 1} {
2885                set unit branch
2886        } elseif {$revcnt <= 15} {
2887                set unit branches
2888        } else {
2889                tk_messageBox \
2890                        -icon error \
2891                        -type ok \
2892                        -title [wm title $w] \
2893                        -parent $w \
2894                        -message "Too many branches selected.
2895
2896You have requested to merge $revcnt branches
2897in an octopus merge.  This exceeds Git's
2898internal limit of 15 branches per merge.
2899
2900Please select fewer branches.  To merge more
2901than 15 branches, merge the branches in batches.
2902"
2903                return
2904        }
2905
2906        set msg "Merging $current_branch, [join $names {, }]"
2907        set ui_status_value "$msg..."
2908        set cons [new_console "Merge" $msg]
2909        console_exec $cons $cmd [list finish_merge $revcnt]
2910        bind $w <Destroy> {}
2911        destroy $w
2912}
2913
2914proc finish_merge {revcnt w ok} {
2915        console_done $w $ok
2916        if {$ok} {
2917                set msg {Merge completed successfully.}
2918        } else {
2919                if {$revcnt != 1} {
2920                        info_popup "Octopus merge failed.
2921
2922Your merge of $revcnt branches has failed.
2923
2924There are file-level conflicts between the branches which must be resolved manually.
2925
2926The working directory will now be reset.
2927
2928You can attempt this merge again by merging only one branch at a time." $w
2929
2930                        set fd [open "| git read-tree --reset -u HEAD" r]
2931                        fconfigure $fd -blocking 0 -translation binary
2932                        fileevent $fd readable [list reset_hard_wait $fd]
2933                        set ui_status_value {Aborting... please wait...}
2934                        return
2935                }
2936
2937                set msg {Merge failed.  Conflict resolution is required.}
2938        }
2939        unlock_index
2940        rescan [list set ui_status_value $msg]
2941}
2942
2943proc do_local_merge {} {
2944        global current_branch
2945
2946        if {![can_merge]} return
2947
2948        set w .merge_setup
2949        toplevel $w
2950        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
2951
2952        label $w.header \
2953                -text "Merge Into $current_branch" \
2954                -font font_uibold
2955        pack $w.header -side top -fill x
2956
2957        frame $w.buttons
2958        button $w.buttons.visualize -text Visualize \
2959                -font font_ui \
2960                -command [list visualize_local_merge $w]
2961        pack $w.buttons.visualize -side left
2962        button $w.buttons.create -text Merge \
2963                -font font_ui \
2964                -command [list start_local_merge_action $w]
2965        pack $w.buttons.create -side right
2966        button $w.buttons.cancel -text {Cancel} \
2967                -font font_ui \
2968                -command [list destroy $w]
2969        pack $w.buttons.cancel -side right -padx 5
2970        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
2971
2972        labelframe $w.source \
2973                -text {Source Branches} \
2974                -font font_ui
2975        listbox $w.source.l \
2976                -height 10 \
2977                -width 70 \
2978                -selectmode extended \
2979                -yscrollcommand [list $w.source.sby set] \
2980                -font font_ui
2981        scrollbar $w.source.sby -command [list $w.source.l yview]
2982        pack $w.source.sby -side right -fill y
2983        pack $w.source.l -side left -fill both -expand 1
2984        pack $w.source -fill both -expand 1 -pady 5 -padx 5
2985
2986        set cmd [list git for-each-ref]
2987        lappend cmd {--format=%(objectname) %(*objectname) %(refname)}
2988        lappend cmd refs/heads
2989        lappend cmd refs/remotes
2990        lappend cmd refs/tags
2991        set fr_fd [open "| $cmd" r]
2992        fconfigure $fr_fd -translation binary
2993        while {[gets $fr_fd line] > 0} {
2994                set line [split $line { }]
2995                set sha1([lindex $line 0]) [lindex $line 2]
2996                set sha1([lindex $line 1]) [lindex $line 2]
2997        }
2998        close $fr_fd
2999
3000        set to_show {}
3001        set fr_fd [open "| git rev-list --all --not HEAD"]
3002        while {[gets $fr_fd line] > 0} {
3003                if {[catch {set ref $sha1($line)}]} continue
3004                regsub ^refs/(heads|remotes|tags)/ $ref {} ref
3005                lappend to_show $ref
3006        }
3007        close $fr_fd
3008
3009        foreach ref [lsort -unique $to_show] {
3010                $w.source.l insert end $ref
3011        }
3012
3013        bind $w <Visibility> "grab $w"
3014        bind $w <Key-Escape> "unlock_index;destroy $w"
3015        bind $w <Destroy> unlock_index
3016        wm title $w "[appname] ([reponame]): Merge"
3017        tkwait window $w
3018}
3019
3020proc do_reset_hard {} {
3021        global HEAD commit_type file_states
3022
3023        if {[string match amend* $commit_type]} {
3024                info_popup {Cannot abort while amending.
3025
3026You must finish amending this commit.
3027}
3028                return
3029        }
3030
3031        if {![lock_index abort]} return
3032
3033        if {[string match *merge* $commit_type]} {
3034                set op merge
3035        } else {
3036                set op commit
3037        }
3038
3039        if {[ask_popup "Abort $op?
3040
3041Aborting the current $op will cause *ALL* uncommitted changes to be lost.
3042
3043Continue with aborting the current $op?"] eq {yes}} {
3044                set fd [open "| git read-tree --reset -u HEAD" r]
3045                fconfigure $fd -blocking 0 -translation binary
3046                fileevent $fd readable [list reset_hard_wait $fd]
3047                set ui_status_value {Aborting... please wait...}
3048        } else {
3049                unlock_index
3050        }
3051}
3052
3053proc reset_hard_wait {fd} {
3054        global ui_comm
3055
3056        read $fd
3057        if {[eof $fd]} {
3058                close $fd
3059                unlock_index
3060
3061                $ui_comm delete 0.0 end
3062                $ui_comm edit modified false
3063
3064                catch {file delete [gitdir MERGE_HEAD]}
3065                catch {file delete [gitdir rr-cache MERGE_RR]}
3066                catch {file delete [gitdir SQUASH_MSG]}
3067                catch {file delete [gitdir MERGE_MSG]}
3068                catch {file delete [gitdir GITGUI_MSG]}
3069
3070                rescan {set ui_status_value {Abort completed.  Ready.}}
3071        }
3072}
3073
3074######################################################################
3075##
3076## browser
3077
3078set next_browser_id 0
3079
3080proc new_browser {commit} {
3081        global next_browser_id cursor_ptr M1B
3082        global browser_commit browser_status browser_stack browser_path browser_busy
3083
3084        if {[winfo ismapped .]} {
3085                set w .browser[incr next_browser_id]
3086                set tl $w
3087                toplevel $w
3088        } else {
3089                set w {}
3090                set tl .
3091        }
3092        set w_list $w.list.l
3093        set browser_commit($w_list) $commit
3094        set browser_status($w_list) {Starting...}
3095        set browser_stack($w_list) {}
3096        set browser_path($w_list) $browser_commit($w_list):
3097        set browser_busy($w_list) 1
3098
3099        label $w.path -textvariable browser_path($w_list) \
3100                -anchor w \
3101                -justify left \
3102                -borderwidth 1 \
3103                -relief sunken \
3104                -font font_uibold
3105        pack $w.path -anchor w -side top -fill x
3106
3107        frame $w.list
3108        text $w_list -background white -borderwidth 0 \
3109                -cursor $cursor_ptr \
3110                -state disabled \
3111                -wrap none \
3112                -height 20 \
3113                -width 70 \
3114                -xscrollcommand [list $w.list.sbx set] \
3115                -yscrollcommand [list $w.list.sby set] \
3116                -font font_ui
3117        $w_list tag conf in_sel \
3118                -background [$w_list cget -foreground] \
3119                -foreground [$w_list cget -background]
3120        scrollbar $w.list.sbx -orient h -command [list $w_list xview]
3121        scrollbar $w.list.sby -orient v -command [list $w_list yview]
3122        pack $w.list.sbx -side bottom -fill x
3123        pack $w.list.sby -side right -fill y
3124        pack $w_list -side left -fill both -expand 1
3125        pack $w.list -side top -fill both -expand 1
3126
3127        label $w.status -textvariable browser_status($w_list) \
3128                -anchor w \
3129                -justify left \
3130                -borderwidth 1 \
3131                -relief sunken \
3132                -font font_ui
3133        pack $w.status -anchor w -side bottom -fill x
3134
3135        bind $w_list <Button-1>        "browser_click 0 $w_list @%x,%y;break"
3136        bind $w_list <Double-Button-1> "browser_click 1 $w_list @%x,%y;break"
3137        bind $w_list <$M1B-Up>         "browser_parent $w_list;break"
3138        bind $w_list <$M1B-Left>       "browser_parent $w_list;break"
3139        bind $w_list <Up>              "browser_move -1 $w_list;break"
3140        bind $w_list <Down>            "browser_move 1 $w_list;break"
3141        bind $w_list <$M1B-Right>      "browser_enter $w_list;break"
3142        bind $w_list <Return>          "browser_enter $w_list;break"
3143        bind $w_list <Prior>           "browser_page -1 $w_list;break"
3144        bind $w_list <Next>            "browser_page 1 $w_list;break"
3145        bind $w_list <Left>            break
3146        bind $w_list <Right>           break
3147
3148        bind $tl <Visibility> "focus $w"
3149        bind $tl <Destroy> "
3150                array unset browser_buffer $w_list
3151                array unset browser_files $w_list
3152                array unset browser_status $w_list
3153                array unset browser_stack $w_list
3154                array unset browser_path $w_list
3155                array unset browser_commit $w_list
3156                array unset browser_busy $w_list
3157        "
3158        wm title $tl "[appname] ([reponame]): File Browser"
3159        ls_tree $w_list $browser_commit($w_list) {}
3160}
3161
3162proc browser_move {dir w} {
3163        global browser_files browser_busy
3164
3165        if {$browser_busy($w)} return
3166        set lno [lindex [split [$w index in_sel.first] .] 0]
3167        incr lno $dir
3168        if {[lindex $browser_files($w) [expr {$lno - 1}]] ne {}} {
3169                $w tag remove in_sel 0.0 end
3170                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
3171                $w see $lno.0
3172        }
3173}
3174
3175proc browser_page {dir w} {
3176        global browser_files browser_busy
3177
3178        if {$browser_busy($w)} return
3179        $w yview scroll $dir pages
3180        set lno [expr {int(
3181                  [lindex [$w yview] 0]
3182                * [llength $browser_files($w)]
3183                + 1)}]
3184        if {[lindex $browser_files($w) [expr {$lno - 1}]] ne {}} {
3185                $w tag remove in_sel 0.0 end
3186                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
3187                $w see $lno.0
3188        }
3189}
3190
3191proc browser_parent {w} {
3192        global browser_files browser_status browser_path
3193        global browser_stack browser_busy
3194
3195        if {$browser_busy($w)} return
3196        set info [lindex $browser_files($w) 0]
3197        if {[lindex $info 0] eq {parent}} {
3198                set parent [lindex $browser_stack($w) end-1]
3199                set browser_stack($w) [lrange $browser_stack($w) 0 end-2]
3200                if {$browser_stack($w) eq {}} {
3201                        regsub {:.*$} $browser_path($w) {:} browser_path($w)
3202                } else {
3203                        regsub {/[^/]+$} $browser_path($w) {} browser_path($w)
3204                }
3205                set browser_status($w) "Loading $browser_path($w)..."
3206                ls_tree $w [lindex $parent 0] [lindex $parent 1]
3207        }
3208}
3209
3210proc browser_enter {w} {
3211        global browser_files browser_status browser_path
3212        global browser_commit browser_stack browser_busy
3213
3214        if {$browser_busy($w)} return
3215        set lno [lindex [split [$w index in_sel.first] .] 0]
3216        set info [lindex $browser_files($w) [expr {$lno - 1}]]
3217        if {$info ne {}} {
3218                switch -- [lindex $info 0] {
3219                parent {
3220                        browser_parent $w
3221                }
3222                tree {
3223                        set name [lindex $info 2]
3224                        set escn [escape_path $name]
3225                        set browser_status($w) "Loading $escn..."
3226                        append browser_path($w) $escn
3227                        ls_tree $w [lindex $info 1] $name
3228                }
3229                blob {
3230                        set name [lindex $info 2]
3231                        set p {}
3232                        foreach n $browser_stack($w) {
3233                                append p [lindex $n 1]
3234                        }
3235                        append p $name
3236                        show_blame $browser_commit($w) $p
3237                }
3238                }
3239        }
3240}
3241
3242proc browser_click {was_double_click w pos} {
3243        global browser_files browser_busy
3244
3245        if {$browser_busy($w)} return
3246        set lno [lindex [split [$w index $pos] .] 0]
3247        focus $w
3248
3249        if {[lindex $browser_files($w) [expr {$lno - 1}]] ne {}} {
3250                $w tag remove in_sel 0.0 end
3251                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
3252                if {$was_double_click} {
3253                        browser_enter $w
3254                }
3255        }
3256}
3257
3258proc ls_tree {w tree_id name} {
3259        global browser_buffer browser_files browser_stack browser_busy
3260
3261        set browser_buffer($w) {}
3262        set browser_files($w) {}
3263        set browser_busy($w) 1
3264
3265        $w conf -state normal
3266        $w tag remove in_sel 0.0 end
3267        $w delete 0.0 end
3268        if {$browser_stack($w) ne {}} {
3269                $w image create end \
3270                        -align center -padx 5 -pady 1 \
3271                        -name icon0 \
3272                        -image file_uplevel
3273                $w insert end {[Up To Parent]}
3274                lappend browser_files($w) parent
3275        }
3276        lappend browser_stack($w) [list $tree_id $name]
3277        $w conf -state disabled
3278
3279        set cmd [list git ls-tree -z $tree_id]
3280        set fd [open "| $cmd" r]
3281        fconfigure $fd -blocking 0 -translation binary -encoding binary
3282        fileevent $fd readable [list read_ls_tree $fd $w]
3283}
3284
3285proc read_ls_tree {fd w} {
3286        global browser_buffer browser_files browser_status browser_busy
3287
3288        if {![winfo exists $w]} {
3289                catch {close $fd}
3290                return
3291        }
3292
3293        append browser_buffer($w) [read $fd]
3294        set pck [split $browser_buffer($w) "\0"]
3295        set browser_buffer($w) [lindex $pck end]
3296
3297        set n [llength $browser_files($w)]
3298        $w conf -state normal
3299        foreach p [lrange $pck 0 end-1] {
3300                set info [split $p "\t"]
3301                set path [lindex $info 1]
3302                set info [split [lindex $info 0] { }]
3303                set type [lindex $info 1]
3304                set object [lindex $info 2]
3305
3306                switch -- $type {
3307                blob {
3308                        set image file_mod
3309                }
3310                tree {
3311                        set image file_dir
3312                        append path /
3313                }
3314                default {
3315                        set image file_question
3316                }
3317                }
3318
3319                if {$n > 0} {$w insert end "\n"}
3320                $w image create end \
3321                        -align center -padx 5 -pady 1 \
3322                        -name icon[incr n] \
3323                        -image $image
3324                $w insert end [escape_path $path]
3325                lappend browser_files($w) [list $type $object $path]
3326        }
3327        $w conf -state disabled
3328
3329        if {[eof $fd]} {
3330                close $fd
3331                set browser_status($w) Ready.
3332                set browser_busy($w) 0
3333                array unset browser_buffer $w
3334                if {$n > 0} {
3335                        $w tag add in_sel 1.0 2.0
3336                        focus -force $w
3337                }
3338        }
3339}
3340
3341proc show_blame {commit path} {
3342        global next_browser_id blame_status blame_data
3343
3344        if {[winfo ismapped .]} {
3345                set w .browser[incr next_browser_id]
3346                set tl $w
3347                toplevel $w
3348        } else {
3349                set w {}
3350                set tl .
3351        }
3352        set blame_status($w) {Loading current file content...}
3353
3354        label $w.path -text "$commit:$path" \
3355                -anchor w \
3356                -justify left \
3357                -borderwidth 1 \
3358                -relief sunken \
3359                -font font_uibold
3360        pack $w.path -side top -fill x
3361
3362        frame $w.out
3363        text $w.out.loaded_t \
3364                -background white -borderwidth 0 \
3365                -state disabled \
3366                -wrap none \
3367                -height 40 \
3368                -width 1 \
3369                -font font_diff
3370        $w.out.loaded_t tag conf annotated -background grey
3371
3372        text $w.out.linenumber_t \
3373                -background white -borderwidth 0 \
3374                -state disabled \
3375                -wrap none \
3376                -height 40 \
3377                -width 5 \
3378                -font font_diff
3379        $w.out.linenumber_t tag conf linenumber -justify right
3380
3381        text $w.out.file_t \
3382                -background white -borderwidth 0 \
3383                -state disabled \
3384                -wrap none \
3385                -height 40 \
3386                -width 80 \
3387                -xscrollcommand [list $w.out.sbx set] \
3388                -font font_diff
3389
3390        scrollbar $w.out.sbx -orient h -command [list $w.out.file_t xview]
3391        scrollbar $w.out.sby -orient v \
3392                -command [list scrollbar2many [list \
3393                $w.out.loaded_t \
3394                $w.out.linenumber_t \
3395                $w.out.file_t \
3396                ] yview]
3397        grid \
3398                $w.out.linenumber_t \
3399                $w.out.loaded_t \
3400                $w.out.file_t \
3401                $w.out.sby \
3402                -sticky nsew
3403        grid conf $w.out.sbx -column 2 -sticky we
3404        grid columnconfigure $w.out 2 -weight 1
3405        grid rowconfigure $w.out 0 -weight 1
3406        pack $w.out -fill both -expand 1
3407
3408        label $w.status -textvariable blame_status($w) \
3409                -anchor w \
3410                -justify left \
3411                -borderwidth 1 \
3412                -relief sunken \
3413                -font font_ui
3414        pack $w.status -side bottom -fill x
3415
3416        frame $w.cm
3417        text $w.cm.t \
3418                -background white -borderwidth 0 \
3419                -state disabled \
3420                -wrap none \
3421                -height 10 \
3422                -width 80 \
3423                -xscrollcommand [list $w.cm.sbx set] \
3424                -yscrollcommand [list $w.cm.sby set] \
3425                -font font_diff
3426        scrollbar $w.cm.sbx -orient h -command [list $w.cm.t xview]
3427        scrollbar $w.cm.sby -orient v -command [list $w.cm.t yview]
3428        pack $w.cm.sby -side right -fill y
3429        pack $w.cm.sbx -side bottom -fill x
3430        pack $w.cm.t -expand 1 -fill both
3431        pack $w.cm -side bottom -fill x
3432
3433        menu $w.ctxm -tearoff 0
3434        $w.ctxm add command -label "Copy Commit" \
3435                -font font_ui \
3436                -command "blame_copycommit $w \$cursorW @\$cursorX,\$cursorY"
3437
3438        foreach i [list \
3439                $w.out.loaded_t \
3440                $w.out.linenumber_t \
3441                $w.out.file_t] {
3442                $i tag conf in_sel \
3443                        -background [$i cget -foreground] \
3444                        -foreground [$i cget -background]
3445                $i conf -yscrollcommand \
3446                        [list many2scrollbar [list \
3447                        $w.out.loaded_t \
3448                        $w.out.linenumber_t \
3449                        $w.out.file_t \
3450                        ] yview $w.out.sby]
3451                bind $i <Button-1> "
3452                        blame_click {$w} \\
3453                                $w.cm.t \\
3454                                $w.out.linenumber_t \\
3455                                $w.out.file_t \\
3456                                $i @%x,%y
3457                        focus $i
3458                "
3459                bind_button3 $i "
3460                        set cursorX %x
3461                        set cursorY %y
3462                        set cursorW %W
3463                        tk_popup $w.ctxm %X %Y
3464                "
3465        }
3466
3467        bind $w.cm.t <Button-1> "focus $w.cm.t"
3468        bind $tl <Visibility> "focus $tl"
3469        bind $tl <Destroy> "
3470                array unset blame_status {$w}
3471                array unset blame_data $w,*
3472        "
3473        wm title $tl "[appname] ([reponame]): File Viewer"
3474
3475        set blame_data($w,commit_count) 0
3476        set blame_data($w,commit_list) {}
3477        set blame_data($w,total_lines) 0
3478        set blame_data($w,blame_lines) 0
3479        set blame_data($w,highlight_commit) {}
3480        set blame_data($w,highlight_line) -1
3481
3482        set cmd [list git cat-file blob "$commit:$path"]
3483        set fd [open "| $cmd" r]
3484        fconfigure $fd -blocking 0 -translation lf -encoding binary
3485        fileevent $fd readable [list read_blame_catfile \
3486                $fd $w $commit $path \
3487                $w.cm.t $w.out.loaded_t $w.out.linenumber_t $w.out.file_t]
3488}
3489
3490proc read_blame_catfile {fd w commit path w_cmit w_load w_line w_file} {
3491        global blame_status blame_data
3492
3493        if {![winfo exists $w_file]} {
3494                catch {close $fd}
3495                return
3496        }
3497
3498        set n $blame_data($w,total_lines)
3499        $w_load conf -state normal
3500        $w_line conf -state normal
3501        $w_file conf -state normal
3502        while {[gets $fd line] >= 0} {
3503                regsub "\r\$" $line {} line
3504                incr n
3505                $w_load insert end "\n"
3506                $w_line insert end "$n\n" linenumber
3507                $w_file insert end "$line\n"
3508        }
3509        $w_load conf -state disabled
3510        $w_line conf -state disabled
3511        $w_file conf -state disabled
3512        set blame_data($w,total_lines) $n
3513
3514        if {[eof $fd]} {
3515                close $fd
3516                blame_incremental_status $w
3517                set cmd [list git blame -M -C --incremental]
3518                lappend cmd $commit -- $path
3519                set fd [open "| $cmd" r]
3520                fconfigure $fd -blocking 0 -translation lf -encoding binary
3521                fileevent $fd readable [list read_blame_incremental $fd $w \
3522                        $w_load $w_cmit $w_line $w_file]
3523        }
3524}
3525
3526proc read_blame_incremental {fd w w_load w_cmit w_line w_file} {
3527        global blame_status blame_data
3528
3529        if {![winfo exists $w_file]} {
3530                catch {close $fd}
3531                return
3532        }
3533
3534        while {[gets $fd line] >= 0} {
3535                if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
3536                        cmit original_line final_line line_count]} {
3537                        set blame_data($w,commit) $cmit
3538                        set blame_data($w,original_line) $original_line
3539                        set blame_data($w,final_line) $final_line
3540                        set blame_data($w,line_count) $line_count
3541
3542                        if {[catch {set g $blame_data($w,$cmit,order)}]} {
3543                                $w_line tag conf g$cmit
3544                                $w_file tag conf g$cmit
3545                                $w_line tag raise in_sel
3546                                $w_file tag raise in_sel
3547                                $w_file tag raise sel
3548                                set blame_data($w,$cmit,order) $blame_data($w,commit_count)
3549                                incr blame_data($w,commit_count)
3550                                lappend blame_data($w,commit_list) $cmit
3551                        }
3552                } elseif {[string match {filename *} $line]} {
3553                        set file [string range $line 9 end]
3554                        set n $blame_data($w,line_count)
3555                        set lno $blame_data($w,final_line)
3556                        set cmit $blame_data($w,commit)
3557
3558                        while {$n > 0} {
3559                                if {[catch {set g g$blame_data($w,line$lno,commit)}]} {
3560                                        $w_load tag add annotated $lno.0 "$lno.0 lineend + 1c"
3561                                } else {
3562                                        $w_line tag remove g$g $lno.0 "$lno.0 lineend + 1c"
3563                                        $w_file tag remove g$g $lno.0 "$lno.0 lineend + 1c"
3564                                }
3565
3566                                set blame_data($w,line$lno,commit) $cmit
3567                                set blame_data($w,line$lno,file) $file
3568                                $w_line tag add g$cmit $lno.0 "$lno.0 lineend + 1c"
3569                                $w_file tag add g$cmit $lno.0 "$lno.0 lineend + 1c"
3570
3571                                if {$blame_data($w,highlight_line) == -1} {
3572                                        if {[lindex [$w_file yview] 0] == 0} {
3573                                                $w_file see $lno.0
3574                                                blame_showcommit $w $w_cmit $w_line $w_file $lno
3575                                        }
3576                                } elseif {$blame_data($w,highlight_line) == $lno} {
3577                                        blame_showcommit $w $w_cmit $w_line $w_file $lno
3578                                }
3579
3580                                incr n -1
3581                                incr lno
3582                                incr blame_data($w,blame_lines)
3583                        }
3584
3585                        set hc $blame_data($w,highlight_commit)
3586                        if {$hc ne {}
3587                                && [expr {$blame_data($w,$hc,order) + 1}]
3588                                        == $blame_data($w,$cmit,order)} {
3589                                blame_showcommit $w $w_cmit $w_line $w_file \
3590                                        $blame_data($w,highlight_line)
3591                        }
3592                } elseif {[regexp {^([a-z-]+) (.*)$} $line line header data]} {
3593                        set blame_data($w,$blame_data($w,commit),$header) $data
3594                }
3595        }
3596
3597        if {[eof $fd]} {
3598                close $fd
3599                set blame_status($w) {Annotation complete.}
3600        } else {
3601                blame_incremental_status $w
3602        }
3603}
3604
3605proc blame_incremental_status {w} {
3606        global blame_status blame_data
3607
3608        set blame_status($w) [format \
3609                "Loading annotations... %i of %i lines annotated (%2i%%)" \
3610                $blame_data($w,blame_lines) \
3611                $blame_data($w,total_lines) \
3612                [expr {100 * $blame_data($w,blame_lines)
3613                        / $blame_data($w,total_lines)}]]
3614}
3615
3616proc blame_click {w w_cmit w_line w_file cur_w pos} {
3617        set lno [lindex [split [$cur_w index $pos] .] 0]
3618        if {$lno eq {}} return
3619
3620        $w_line tag remove in_sel 0.0 end
3621        $w_file tag remove in_sel 0.0 end
3622        $w_line tag add in_sel $lno.0 "$lno.0 + 1 line"
3623        $w_file tag add in_sel $lno.0 "$lno.0 + 1 line"
3624
3625        blame_showcommit $w $w_cmit $w_line $w_file $lno
3626}
3627
3628set blame_colors {
3629        #ff4040
3630        #ff40ff
3631        #4040ff
3632}
3633
3634proc blame_showcommit {w w_cmit w_line w_file lno} {
3635        global blame_colors blame_data repo_config
3636
3637        set cmit $blame_data($w,highlight_commit)
3638        if {$cmit ne {}} {
3639                set idx $blame_data($w,$cmit,order)
3640                set i 0
3641                foreach c $blame_colors {
3642                        set h [lindex $blame_data($w,commit_list) [expr {$idx - 1 + $i}]]
3643                        $w_line tag conf g$h -background white
3644                        $w_file tag conf g$h -background white
3645                        incr i
3646                }
3647        }
3648
3649        $w_cmit conf -state normal
3650        $w_cmit delete 0.0 end
3651        if {[catch {set cmit $blame_data($w,line$lno,commit)}]} {
3652                set cmit {}
3653                $w_cmit insert end "Loading annotation..."
3654        } else {
3655                set idx $blame_data($w,$cmit,order)
3656                set i 0
3657                foreach c $blame_colors {
3658                        set h [lindex $blame_data($w,commit_list) [expr {$idx - 1 + $i}]]
3659                        $w_line tag conf g$h -background $c
3660                        $w_file tag conf g$h -background $c
3661                        incr i
3662                }
3663
3664                if {[catch {set msg $blame_data($w,$cmit,message)}]} {
3665                        set msg {}
3666                        catch {
3667                                set fd [open "| git cat-file commit $cmit" r]
3668                                fconfigure $fd -encoding binary -translation lf
3669                                if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
3670                                        set enc utf-8
3671                                }
3672                                while {[gets $fd line] > 0} {
3673                                        if {[string match {encoding *} $line]} {
3674                                                set enc [string tolower [string range $line 9 end]]
3675                                        }
3676                                }
3677                                fconfigure $fd -encoding $enc
3678                                set msg [string trim [read $fd]]
3679                                close $fd
3680                        }
3681                        set blame_data($w,$cmit,message) $msg
3682                }
3683
3684                set author_name {}
3685                set author_email {}
3686                set author_time {}
3687                catch {set author_name $blame_data($w,$cmit,author)}
3688                catch {set author_email $blame_data($w,$cmit,author-mail)}
3689                catch {set author_time [clock format $blame_data($w,$cmit,author-time)]}
3690
3691                set committer_name {}
3692                set committer_email {}
3693                set committer_time {}
3694                catch {set committer_name $blame_data($w,$cmit,committer)}
3695                catch {set committer_email $blame_data($w,$cmit,committer-mail)}
3696                catch {set committer_time [clock format $blame_data($w,$cmit,committer-time)]}
3697
3698                $w_cmit insert end "commit $cmit\n"
3699                $w_cmit insert end "Author: $author_name $author_email $author_time\n"
3700                $w_cmit insert end "Committer: $committer_name $committer_email $committer_time\n"
3701                $w_cmit insert end "Original File: [escape_path $blame_data($w,line$lno,file)]\n"
3702                $w_cmit insert end "\n"
3703                $w_cmit insert end $msg
3704        }
3705        $w_cmit conf -state disabled
3706
3707        set blame_data($w,highlight_line) $lno
3708        set blame_data($w,highlight_commit) $cmit
3709}
3710
3711proc blame_copycommit {w i pos} {
3712        global blame_data
3713        set lno [lindex [split [$i index $pos] .] 0]
3714        if {![catch {set commit $blame_data($w,line$lno,commit)}]} {
3715                clipboard clear
3716                clipboard append \
3717                        -format STRING \
3718                        -type STRING \
3719                        -- $commit
3720        }
3721}
3722
3723######################################################################
3724##
3725## icons
3726
3727set filemask {
3728#define mask_width 14
3729#define mask_height 15
3730static unsigned char mask_bits[] = {
3731   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
3732   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
3733   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
3734}
3735
3736image create bitmap file_plain -background white -foreground black -data {
3737#define plain_width 14
3738#define plain_height 15
3739static unsigned char plain_bits[] = {
3740   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
3741   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
3742   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
3743} -maskdata $filemask
3744
3745image create bitmap file_mod -background white -foreground blue -data {
3746#define mod_width 14
3747#define mod_height 15
3748static unsigned char mod_bits[] = {
3749   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
3750   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
3751   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
3752} -maskdata $filemask
3753
3754image create bitmap file_fulltick -background white -foreground "#007000" -data {
3755#define file_fulltick_width 14
3756#define file_fulltick_height 15
3757static unsigned char file_fulltick_bits[] = {
3758   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
3759   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
3760   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
3761} -maskdata $filemask
3762
3763image create bitmap file_parttick -background white -foreground "#005050" -data {
3764#define parttick_width 14
3765#define parttick_height 15
3766static unsigned char parttick_bits[] = {
3767   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
3768   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
3769   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
3770} -maskdata $filemask
3771
3772image create bitmap file_question -background white -foreground black -data {
3773#define file_question_width 14
3774#define file_question_height 15
3775static unsigned char file_question_bits[] = {
3776   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
3777   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
3778   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
3779} -maskdata $filemask
3780
3781image create bitmap file_removed -background white -foreground red -data {
3782#define file_removed_width 14
3783#define file_removed_height 15
3784static unsigned char file_removed_bits[] = {
3785   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
3786   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
3787   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
3788} -maskdata $filemask
3789
3790image create bitmap file_merge -background white -foreground blue -data {
3791#define file_merge_width 14
3792#define file_merge_height 15
3793static unsigned char file_merge_bits[] = {
3794   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
3795   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
3796   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
3797} -maskdata $filemask
3798
3799set file_dir_data {
3800#define file_width 18
3801#define file_height 18
3802static unsigned char file_bits[] = {
3803  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x03, 0x00,
3804  0x0c, 0x03, 0x00, 0x04, 0xfe, 0x00, 0x06, 0x80, 0x00, 0xff, 0x9f, 0x00,
3805  0x03, 0x98, 0x00, 0x02, 0x90, 0x00, 0x06, 0xb0, 0x00, 0x04, 0xa0, 0x00,
3806  0x0c, 0xe0, 0x00, 0x08, 0xc0, 0x00, 0xf8, 0xff, 0x00, 0x00, 0x00, 0x00,
3807  0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
3808}
3809image create bitmap file_dir -background white -foreground blue \
3810        -data $file_dir_data -maskdata $file_dir_data
3811unset file_dir_data
3812
3813set file_uplevel_data {
3814#define up_width 15
3815#define up_height 15
3816static unsigned char up_bits[] = {
3817  0x80, 0x00, 0xc0, 0x01, 0xe0, 0x03, 0xf0, 0x07, 0xf8, 0x0f, 0xfc, 0x1f,
3818  0xfe, 0x3f, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01,
3819  0xc0, 0x01, 0xc0, 0x01, 0x00, 0x00};
3820}
3821image create bitmap file_uplevel -background white -foreground red \
3822        -data $file_uplevel_data -maskdata $file_uplevel_data
3823unset file_uplevel_data
3824
3825set ui_index .vpane.files.index.list
3826set ui_workdir .vpane.files.workdir.list
3827
3828set all_icons(_$ui_index)   file_plain
3829set all_icons(A$ui_index)   file_fulltick
3830set all_icons(M$ui_index)   file_fulltick
3831set all_icons(D$ui_index)   file_removed
3832set all_icons(U$ui_index)   file_merge
3833
3834set all_icons(_$ui_workdir) file_plain
3835set all_icons(M$ui_workdir) file_mod
3836set all_icons(D$ui_workdir) file_question
3837set all_icons(U$ui_workdir) file_merge
3838set all_icons(O$ui_workdir) file_plain
3839
3840set max_status_desc 0
3841foreach i {
3842                {__ "Unmodified"}
3843
3844                {_M "Modified, not staged"}
3845                {M_ "Staged for commit"}
3846                {MM "Portions staged for commit"}
3847                {MD "Staged for commit, missing"}
3848
3849                {_O "Untracked, not staged"}
3850                {A_ "Staged for commit"}
3851                {AM "Portions staged for commit"}
3852                {AD "Staged for commit, missing"}
3853
3854                {_D "Missing"}
3855                {D_ "Staged for removal"}
3856                {DO "Staged for removal, still present"}
3857
3858                {U_ "Requires merge resolution"}
3859                {UU "Requires merge resolution"}
3860                {UM "Requires merge resolution"}
3861                {UD "Requires merge resolution"}
3862        } {
3863        if {$max_status_desc < [string length [lindex $i 1]]} {
3864                set max_status_desc [string length [lindex $i 1]]
3865        }
3866        set all_descs([lindex $i 0]) [lindex $i 1]
3867}
3868unset i
3869
3870######################################################################
3871##
3872## util
3873
3874proc bind_button3 {w cmd} {
3875        bind $w <Any-Button-3> $cmd
3876        if {[is_MacOSX]} {
3877                bind $w <Control-Button-1> $cmd
3878        }
3879}
3880
3881proc scrollbar2many {list mode args} {
3882        foreach w $list {eval $w $mode $args}
3883}
3884
3885proc many2scrollbar {list mode sb top bottom} {
3886        $sb set $top $bottom
3887        foreach w $list {$w $mode moveto $top}
3888}
3889
3890proc incr_font_size {font {amt 1}} {
3891        set sz [font configure $font -size]
3892        incr sz $amt
3893        font configure $font -size $sz
3894        font configure ${font}bold -size $sz
3895}
3896
3897proc hook_failed_popup {hook msg} {
3898        set w .hookfail
3899        toplevel $w
3900
3901        frame $w.m
3902        label $w.m.l1 -text "$hook hook failed:" \
3903                -anchor w \
3904                -justify left \
3905                -font font_uibold
3906        text $w.m.t \
3907                -background white -borderwidth 1 \
3908                -relief sunken \
3909                -width 80 -height 10 \
3910                -font font_diff \
3911                -yscrollcommand [list $w.m.sby set]
3912        label $w.m.l2 \
3913                -text {You must correct the above errors before committing.} \
3914                -anchor w \
3915                -justify left \
3916                -font font_uibold
3917        scrollbar $w.m.sby -command [list $w.m.t yview]
3918        pack $w.m.l1 -side top -fill x
3919        pack $w.m.l2 -side bottom -fill x
3920        pack $w.m.sby -side right -fill y
3921        pack $w.m.t -side left -fill both -expand 1
3922        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
3923
3924        $w.m.t insert 1.0 $msg
3925        $w.m.t conf -state disabled
3926
3927        button $w.ok -text OK \
3928                -width 15 \
3929                -font font_ui \
3930                -command "destroy $w"
3931        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
3932
3933        bind $w <Visibility> "grab $w; focus $w"
3934        bind $w <Key-Return> "destroy $w"
3935        wm title $w "[appname] ([reponame]): error"
3936        tkwait window $w
3937}
3938
3939set next_console_id 0
3940
3941proc new_console {short_title long_title} {
3942        global next_console_id console_data
3943        set w .console[incr next_console_id]
3944        set console_data($w) [list $short_title $long_title]
3945        return [console_init $w]
3946}
3947
3948proc console_init {w} {
3949        global console_cr console_data M1B
3950
3951        set console_cr($w) 1.0
3952        toplevel $w
3953        frame $w.m
3954        label $w.m.l1 -text "[lindex $console_data($w) 1]:" \
3955                -anchor w \
3956                -justify left \
3957                -font font_uibold
3958        text $w.m.t \
3959                -background white -borderwidth 1 \
3960                -relief sunken \
3961                -width 80 -height 10 \
3962                -font font_diff \
3963                -state disabled \
3964                -yscrollcommand [list $w.m.sby set]
3965        label $w.m.s -text {Working... please wait...} \
3966                -anchor w \
3967                -justify left \
3968                -font font_uibold
3969        scrollbar $w.m.sby -command [list $w.m.t yview]
3970        pack $w.m.l1 -side top -fill x
3971        pack $w.m.s -side bottom -fill x
3972        pack $w.m.sby -side right -fill y
3973        pack $w.m.t -side left -fill both -expand 1
3974        pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
3975
3976        menu $w.ctxm -tearoff 0
3977        $w.ctxm add command -label "Copy" \
3978                -font font_ui \
3979                -command "tk_textCopy $w.m.t"
3980        $w.ctxm add command -label "Select All" \
3981                -font font_ui \
3982                -command "focus $w.m.t;$w.m.t tag add sel 0.0 end"
3983        $w.ctxm add command -label "Copy All" \
3984                -font font_ui \
3985                -command "
3986                        $w.m.t tag add sel 0.0 end
3987                        tk_textCopy $w.m.t
3988                        $w.m.t tag remove sel 0.0 end
3989                "
3990
3991        button $w.ok -text {Close} \
3992                -font font_ui \
3993                -state disabled \
3994                -command "destroy $w"
3995        pack $w.ok -side bottom -anchor e -pady 10 -padx 10
3996
3997        bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
3998        bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
3999        bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
4000        bind $w <Visibility> "focus $w"
4001        wm title $w "[appname] ([reponame]): [lindex $console_data($w) 0]"
4002        return $w
4003}
4004
4005proc console_exec {w cmd after} {
4006        # -- Cygwin's Tcl tosses the enviroment when we exec our child.
4007        #    But most users need that so we have to relogin. :-(
4008        #
4009        if {[is_Cygwin]} {
4010                set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
4011        }
4012
4013        # -- Tcl won't let us redirect both stdout and stderr to
4014        #    the same pipe.  So pass it through cat...
4015        #
4016        set cmd [concat | $cmd |& cat]
4017
4018        set fd_f [open $cmd r]
4019        fconfigure $fd_f -blocking 0 -translation binary
4020        fileevent $fd_f readable [list console_read $w $fd_f $after]
4021}
4022
4023proc console_read {w fd after} {
4024        global console_cr
4025
4026        set buf [read $fd]
4027        if {$buf ne {}} {
4028                if {![winfo exists $w]} {console_init $w}
4029                $w.m.t conf -state normal
4030                set c 0
4031                set n [string length $buf]
4032                while {$c < $n} {
4033                        set cr [string first "\r" $buf $c]
4034                        set lf [string first "\n" $buf $c]
4035                        if {$cr < 0} {set cr [expr {$n + 1}]}
4036                        if {$lf < 0} {set lf [expr {$n + 1}]}
4037
4038                        if {$lf < $cr} {
4039                                $w.m.t insert end [string range $buf $c $lf]
4040                                set console_cr($w) [$w.m.t index {end -1c}]
4041                                set c $lf
4042                                incr c
4043                        } else {
4044                                $w.m.t delete $console_cr($w) end
4045                                $w.m.t insert end "\n"
4046                                $w.m.t insert end [string range $buf $c $cr]
4047                                set c $cr
4048                                incr c
4049                        }
4050                }
4051                $w.m.t conf -state disabled
4052                $w.m.t see end
4053        }
4054
4055        fconfigure $fd -blocking 1
4056        if {[eof $fd]} {
4057                if {[catch {close $fd}]} {
4058                        set ok 0
4059                } else {
4060                        set ok 1
4061                }
4062                uplevel #0 $after $w $ok
4063                return
4064        }
4065        fconfigure $fd -blocking 0
4066}
4067
4068proc console_chain {cmdlist w {ok 1}} {
4069        if {$ok} {
4070                if {[llength $cmdlist] == 0} {
4071                        console_done $w $ok
4072                        return
4073                }
4074
4075                set cmd [lindex $cmdlist 0]
4076                set cmdlist [lrange $cmdlist 1 end]
4077
4078                if {[lindex $cmd 0] eq {console_exec}} {
4079                        console_exec $w \
4080                                [lindex $cmd 1] \
4081                                [list console_chain $cmdlist]
4082                } else {
4083                        uplevel #0 $cmd $cmdlist $w $ok
4084                }
4085        } else {
4086                console_done $w $ok
4087        }
4088}
4089
4090proc console_done {args} {
4091        global console_cr console_data
4092
4093        switch -- [llength $args] {
4094        2 {
4095                set w [lindex $args 0]
4096                set ok [lindex $args 1]
4097        }
4098        3 {
4099                set w [lindex $args 1]
4100                set ok [lindex $args 2]
4101        }
4102        default {
4103                error "wrong number of args: console_done ?ignored? w ok"
4104        }
4105        }
4106
4107        if {$ok} {
4108                if {[winfo exists $w]} {
4109                        $w.m.s conf -background green -text {Success}
4110                        $w.ok conf -state normal
4111                        focus $w.ok
4112                }
4113        } else {
4114                if {![winfo exists $w]} {
4115                        console_init $w
4116                }
4117                $w.m.s conf -background red -text {Error: Command Failed}
4118                $w.ok conf -state normal
4119                focus $w.ok
4120        }
4121
4122        array unset console_cr $w
4123        array unset console_data $w
4124}
4125
4126######################################################################
4127##
4128## ui commands
4129
4130set starting_gitk_msg {Starting gitk... please wait...}
4131
4132proc do_gitk {revs} {
4133        global env ui_status_value starting_gitk_msg
4134
4135        # -- Always start gitk through whatever we were loaded with.  This
4136        #    lets us bypass using shell process on Windows systems.
4137        #
4138        set cmd [info nameofexecutable]
4139        lappend cmd [gitexec gitk]
4140        if {$revs ne {}} {
4141                append cmd { }
4142                append cmd $revs
4143        }
4144
4145        if {[catch {eval exec $cmd &} err]} {
4146                error_popup "Failed to start gitk:\n\n$err"
4147        } else {
4148                set ui_status_value $starting_gitk_msg
4149                after 10000 {
4150                        if {$ui_status_value eq $starting_gitk_msg} {
4151                                set ui_status_value {Ready.}
4152                        }
4153                }
4154        }
4155}
4156
4157proc do_stats {} {
4158        set fd [open "| git count-objects -v" r]
4159        while {[gets $fd line] > 0} {
4160                if {[regexp {^([^:]+): (\d+)$} $line _ name value]} {
4161                        set stats($name) $value
4162                }
4163        }
4164        close $fd
4165
4166        set packed_sz 0
4167        foreach p [glob -directory [gitdir objects pack] \
4168                -type f \
4169                -nocomplain -- *] {
4170                incr packed_sz [file size $p]
4171        }
4172        if {$packed_sz > 0} {
4173                set stats(size-pack) [expr {$packed_sz / 1024}]
4174        }
4175
4176        set w .stats_view
4177        toplevel $w
4178        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
4179
4180        label $w.header -text {Database Statistics} \
4181                -font font_uibold
4182        pack $w.header -side top -fill x
4183
4184        frame $w.buttons -border 1
4185        button $w.buttons.close -text Close \
4186                -font font_ui \
4187                -default active \
4188                -command [list destroy $w]
4189        button $w.buttons.gc -text {Compress Database} \
4190                -font font_ui \
4191                -default normal \
4192                -command "destroy $w;do_gc"
4193        pack $w.buttons.close -side right
4194        pack $w.buttons.gc -side left
4195        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
4196
4197        frame $w.stat -borderwidth 1 -relief solid
4198        foreach s {
4199                {count           {Number of loose objects}}
4200                {size            {Disk space used by loose objects} { KiB}}
4201                {in-pack         {Number of packed objects}}
4202                {packs           {Number of packs}}
4203                {size-pack       {Disk space used by packed objects} { KiB}}
4204                {prune-packable  {Packed objects waiting for pruning}}
4205                {garbage         {Garbage files}}
4206                } {
4207                set name [lindex $s 0]
4208                set label [lindex $s 1]
4209                if {[catch {set value $stats($name)}]} continue
4210                if {[llength $s] > 2} {
4211                        set value "$value[lindex $s 2]"
4212                }
4213
4214                label $w.stat.l_$name -text "$label:" -anchor w -font font_ui
4215                label $w.stat.v_$name -text $value -anchor w -font font_ui
4216                grid $w.stat.l_$name $w.stat.v_$name -sticky we -padx {0 5}
4217        }
4218        pack $w.stat -pady 10 -padx 10
4219
4220        bind $w <Visibility> "grab $w; focus $w.buttons.close"
4221        bind $w <Key-Escape> [list destroy $w]
4222        bind $w <Key-Return> [list destroy $w]
4223        wm title $w "[appname] ([reponame]): Database Statistics"
4224        tkwait window $w
4225}
4226
4227proc do_gc {} {
4228        set w [new_console {gc} {Compressing the object database}]
4229        console_chain {
4230                {console_exec {git pack-refs --prune}}
4231                {console_exec {git reflog expire --all}}
4232                {console_exec {git repack -a -d -l}}
4233                {console_exec {git rerere gc}}
4234        } $w
4235}
4236
4237proc do_fsck_objects {} {
4238        set w [new_console {fsck-objects} \
4239                {Verifying the object database with fsck-objects}]
4240        set cmd [list git fsck-objects]
4241        lappend cmd --full
4242        lappend cmd --cache
4243        lappend cmd --strict
4244        console_exec $w $cmd console_done
4245}
4246
4247set is_quitting 0
4248
4249proc do_quit {} {
4250        global ui_comm is_quitting repo_config commit_type
4251
4252        if {$is_quitting} return
4253        set is_quitting 1
4254
4255        if {[winfo exists $ui_comm]} {
4256                # -- Stash our current commit buffer.
4257                #
4258                set save [gitdir GITGUI_MSG]
4259                set msg [string trim [$ui_comm get 0.0 end]]
4260                regsub -all -line {[ \r\t]+$} $msg {} msg
4261                if {(![string match amend* $commit_type]
4262                        || [$ui_comm edit modified])
4263                        && $msg ne {}} {
4264                        catch {
4265                                set fd [open $save w]
4266                                puts -nonewline $fd $msg
4267                                close $fd
4268                        }
4269                } else {
4270                        catch {file delete $save}
4271                }
4272
4273                # -- Stash our current window geometry into this repository.
4274                #
4275                set cfg_geometry [list]
4276                lappend cfg_geometry [wm geometry .]
4277                lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
4278                lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
4279                if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
4280                        set rc_geometry {}
4281                }
4282                if {$cfg_geometry ne $rc_geometry} {
4283                        catch {git config gui.geometry $cfg_geometry}
4284                }
4285        }
4286
4287        destroy .
4288}
4289
4290proc do_rescan {} {
4291        rescan {set ui_status_value {Ready.}}
4292}
4293
4294proc unstage_helper {txt paths} {
4295        global file_states current_diff_path
4296
4297        if {![lock_index begin-update]} return
4298
4299        set pathList [list]
4300        set after {}
4301        foreach path $paths {
4302                switch -glob -- [lindex $file_states($path) 0] {
4303                A? -
4304                M? -
4305                D? {
4306                        lappend pathList $path
4307                        if {$path eq $current_diff_path} {
4308                                set after {reshow_diff;}
4309                        }
4310                }
4311                }
4312        }
4313        if {$pathList eq {}} {
4314                unlock_index
4315        } else {
4316                update_indexinfo \
4317                        $txt \
4318                        $pathList \
4319                        [concat $after {set ui_status_value {Ready.}}]
4320        }
4321}
4322
4323proc do_unstage_selection {} {
4324        global current_diff_path selected_paths
4325
4326        if {[array size selected_paths] > 0} {
4327                unstage_helper \
4328                        {Unstaging selected files from commit} \
4329                        [array names selected_paths]
4330        } elseif {$current_diff_path ne {}} {
4331                unstage_helper \
4332                        "Unstaging [short_path $current_diff_path] from commit" \
4333                        [list $current_diff_path]
4334        }
4335}
4336
4337proc add_helper {txt paths} {
4338        global file_states current_diff_path
4339
4340        if {![lock_index begin-update]} return
4341
4342        set pathList [list]
4343        set after {}
4344        foreach path $paths {
4345                switch -glob -- [lindex $file_states($path) 0] {
4346                _O -
4347                ?M -
4348                ?D -
4349                U? {
4350                        lappend pathList $path
4351                        if {$path eq $current_diff_path} {
4352                                set after {reshow_diff;}
4353                        }
4354                }
4355                }
4356        }
4357        if {$pathList eq {}} {
4358                unlock_index
4359        } else {
4360                update_index \
4361                        $txt \
4362                        $pathList \
4363                        [concat $after {set ui_status_value {Ready to commit.}}]
4364        }
4365}
4366
4367proc do_add_selection {} {
4368        global current_diff_path selected_paths
4369
4370        if {[array size selected_paths] > 0} {
4371                add_helper \
4372                        {Adding selected files} \
4373                        [array names selected_paths]
4374        } elseif {$current_diff_path ne {}} {
4375                add_helper \
4376                        "Adding [short_path $current_diff_path]" \
4377                        [list $current_diff_path]
4378        }
4379}
4380
4381proc do_add_all {} {
4382        global file_states
4383
4384        set paths [list]
4385        foreach path [array names file_states] {
4386                switch -glob -- [lindex $file_states($path) 0] {
4387                U? {continue}
4388                ?M -
4389                ?D {lappend paths $path}
4390                }
4391        }
4392        add_helper {Adding all changed files} $paths
4393}
4394
4395proc revert_helper {txt paths} {
4396        global file_states current_diff_path
4397
4398        if {![lock_index begin-update]} return
4399
4400        set pathList [list]
4401        set after {}
4402        foreach path $paths {
4403                switch -glob -- [lindex $file_states($path) 0] {
4404                U? {continue}
4405                ?M -
4406                ?D {
4407                        lappend pathList $path
4408                        if {$path eq $current_diff_path} {
4409                                set after {reshow_diff;}
4410                        }
4411                }
4412                }
4413        }
4414
4415        set n [llength $pathList]
4416        if {$n == 0} {
4417                unlock_index
4418                return
4419        } elseif {$n == 1} {
4420                set s "[short_path [lindex $pathList]]"
4421        } else {
4422                set s "these $n files"
4423        }
4424
4425        set reply [tk_dialog \
4426                .confirm_revert \
4427                "[appname] ([reponame])" \
4428                "Revert changes in $s?
4429
4430Any unadded changes will be permanently lost by the revert." \
4431                question \
4432                1 \
4433                {Do Nothing} \
4434                {Revert Changes} \
4435                ]
4436        if {$reply == 1} {
4437                checkout_index \
4438                        $txt \
4439                        $pathList \
4440                        [concat $after {set ui_status_value {Ready.}}]
4441        } else {
4442                unlock_index
4443        }
4444}
4445
4446proc do_revert_selection {} {
4447        global current_diff_path selected_paths
4448
4449        if {[array size selected_paths] > 0} {
4450                revert_helper \
4451                        {Reverting selected files} \
4452                        [array names selected_paths]
4453        } elseif {$current_diff_path ne {}} {
4454                revert_helper \
4455                        "Reverting [short_path $current_diff_path]" \
4456                        [list $current_diff_path]
4457        }
4458}
4459
4460proc do_signoff {} {
4461        global ui_comm
4462
4463        set me [committer_ident]
4464        if {$me eq {}} return
4465
4466        set sob "Signed-off-by: $me"
4467        set last [$ui_comm get {end -1c linestart} {end -1c}]
4468        if {$last ne $sob} {
4469                $ui_comm edit separator
4470                if {$last ne {}
4471                        && ![regexp {^[A-Z][A-Za-z]*-[A-Za-z-]+: *} $last]} {
4472                        $ui_comm insert end "\n"
4473                }
4474                $ui_comm insert end "\n$sob"
4475                $ui_comm edit separator
4476                $ui_comm see end
4477        }
4478}
4479
4480proc do_select_commit_type {} {
4481        global commit_type selected_commit_type
4482
4483        if {$selected_commit_type eq {new}
4484                && [string match amend* $commit_type]} {
4485                create_new_commit
4486        } elseif {$selected_commit_type eq {amend}
4487                && ![string match amend* $commit_type]} {
4488                load_last_commit
4489
4490                # The amend request was rejected...
4491                #
4492                if {![string match amend* $commit_type]} {
4493                        set selected_commit_type new
4494                }
4495        }
4496}
4497
4498proc do_commit {} {
4499        commit_tree
4500}
4501
4502proc do_about {} {
4503        global appvers copyright
4504        global tcl_patchLevel tk_patchLevel
4505
4506        set w .about_dialog
4507        toplevel $w
4508        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
4509
4510        label $w.header -text "About [appname]" \
4511                -font font_uibold
4512        pack $w.header -side top -fill x
4513
4514        frame $w.buttons
4515        button $w.buttons.close -text {Close} \
4516                -font font_ui \
4517                -default active \
4518                -command [list destroy $w]
4519        pack $w.buttons.close -side right
4520        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
4521
4522        label $w.desc \
4523                -text "git-gui - a graphical user interface for Git.
4524$copyright" \
4525                -padx 5 -pady 5 \
4526                -justify left \
4527                -anchor w \
4528                -borderwidth 1 \
4529                -relief solid \
4530                -font font_ui
4531        pack $w.desc -side top -fill x -padx 5 -pady 5
4532
4533        set v {}
4534        append v "git-gui version $appvers\n"
4535        append v "[git version]\n"
4536        append v "\n"
4537        if {$tcl_patchLevel eq $tk_patchLevel} {
4538                append v "Tcl/Tk version $tcl_patchLevel"
4539        } else {
4540                append v "Tcl version $tcl_patchLevel"
4541                append v ", Tk version $tk_patchLevel"
4542        }
4543
4544        label $w.vers \
4545                -text $v \
4546                -padx 5 -pady 5 \
4547                -justify left \
4548                -anchor w \
4549                -borderwidth 1 \
4550                -relief solid \
4551                -font font_ui
4552        pack $w.vers -side top -fill x -padx 5 -pady 5
4553
4554        menu $w.ctxm -tearoff 0
4555        $w.ctxm add command \
4556                -label {Copy} \
4557                -font font_ui \
4558                -command "
4559                clipboard clear
4560                clipboard append -format STRING -type STRING -- \[$w.vers cget -text\]
4561        "
4562
4563        bind $w <Visibility> "grab $w; focus $w.buttons.close"
4564        bind $w <Key-Escape> "destroy $w"
4565        bind $w <Key-Return> "destroy $w"
4566        bind_button3 $w.vers "tk_popup $w.ctxm %X %Y; grab $w; focus $w"
4567        wm title $w "About [appname]"
4568        tkwait window $w
4569}
4570
4571proc do_options {} {
4572        global repo_config global_config font_descs
4573        global repo_config_new global_config_new
4574
4575        array unset repo_config_new
4576        array unset global_config_new
4577        foreach name [array names repo_config] {
4578                set repo_config_new($name) $repo_config($name)
4579        }
4580        load_config 1
4581        foreach name [array names repo_config] {
4582                switch -- $name {
4583                gui.diffcontext {continue}
4584                }
4585                set repo_config_new($name) $repo_config($name)
4586        }
4587        foreach name [array names global_config] {
4588                set global_config_new($name) $global_config($name)
4589        }
4590
4591        set w .options_editor
4592        toplevel $w
4593        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
4594
4595        label $w.header -text "Options" \
4596                -font font_uibold
4597        pack $w.header -side top -fill x
4598
4599        frame $w.buttons
4600        button $w.buttons.restore -text {Restore Defaults} \
4601                -font font_ui \
4602                -default normal \
4603                -command do_restore_defaults
4604        pack $w.buttons.restore -side left
4605        button $w.buttons.save -text Save \
4606                -font font_ui \
4607                -default active \
4608                -command [list do_save_config $w]
4609        pack $w.buttons.save -side right
4610        button $w.buttons.cancel -text {Cancel} \
4611                -font font_ui \
4612                -default normal \
4613                -command [list destroy $w]
4614        pack $w.buttons.cancel -side right -padx 5
4615        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
4616
4617        labelframe $w.repo -text "[reponame] Repository" \
4618                -font font_ui
4619        labelframe $w.global -text {Global (All Repositories)} \
4620                -font font_ui
4621        pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
4622        pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
4623
4624        set optid 0
4625        foreach option {
4626                {t user.name {User Name}}
4627                {t user.email {Email Address}}
4628
4629                {b merge.summary {Summarize Merge Commits}}
4630                {i-1..5 merge.verbosity {Merge Verbosity}}
4631
4632                {b gui.trustmtime  {Trust File Modification Timestamps}}
4633                {i-1..99 gui.diffcontext {Number of Diff Context Lines}}
4634                {t gui.newbranchtemplate {New Branch Name Template}}
4635                } {
4636                set type [lindex $option 0]
4637                set name [lindex $option 1]
4638                set text [lindex $option 2]
4639                incr optid
4640                foreach f {repo global} {
4641                        switch -glob -- $type {
4642                        b {
4643                                checkbutton $w.$f.$optid -text $text \
4644                                        -variable ${f}_config_new($name) \
4645                                        -onvalue true \
4646                                        -offvalue false \
4647                                        -font font_ui
4648                                pack $w.$f.$optid -side top -anchor w
4649                        }
4650                        i-* {
4651                                regexp -- {-(\d+)\.\.(\d+)$} $type _junk min max
4652                                frame $w.$f.$optid
4653                                label $w.$f.$optid.l -text "$text:" -font font_ui
4654                                pack $w.$f.$optid.l -side left -anchor w -fill x
4655                                spinbox $w.$f.$optid.v \
4656                                        -textvariable ${f}_config_new($name) \
4657                                        -from $min \
4658                                        -to $max \
4659                                        -increment 1 \
4660                                        -width [expr {1 + [string length $max]}] \
4661                                        -font font_ui
4662                                bind $w.$f.$optid.v <FocusIn> {%W selection range 0 end}
4663                                pack $w.$f.$optid.v -side right -anchor e -padx 5
4664                                pack $w.$f.$optid -side top -anchor w -fill x
4665                        }
4666                        t {
4667                                frame $w.$f.$optid
4668                                label $w.$f.$optid.l -text "$text:" -font font_ui
4669                                entry $w.$f.$optid.v \
4670                                        -borderwidth 1 \
4671                                        -relief sunken \
4672                                        -width 20 \
4673                                        -textvariable ${f}_config_new($name) \
4674                                        -font font_ui
4675                                pack $w.$f.$optid.l -side left -anchor w
4676                                pack $w.$f.$optid.v -side left -anchor w \
4677                                        -fill x -expand 1 \
4678                                        -padx 5
4679                                pack $w.$f.$optid -side top -anchor w -fill x
4680                        }
4681                        }
4682                }
4683        }
4684
4685        set all_fonts [lsort [font families]]
4686        foreach option $font_descs {
4687                set name [lindex $option 0]
4688                set font [lindex $option 1]
4689                set text [lindex $option 2]
4690
4691                set global_config_new(gui.$font^^family) \
4692                        [font configure $font -family]
4693                set global_config_new(gui.$font^^size) \
4694                        [font configure $font -size]
4695
4696                frame $w.global.$name
4697                label $w.global.$name.l -text "$text:" -font font_ui
4698                pack $w.global.$name.l -side left -anchor w -fill x
4699                set fontmenu [eval tk_optionMenu $w.global.$name.family \
4700                        global_config_new(gui.$font^^family) \
4701                        $all_fonts]
4702                $w.global.$name.family configure -font font_ui
4703                $fontmenu configure -font font_ui
4704                spinbox $w.global.$name.size \
4705                        -textvariable global_config_new(gui.$font^^size) \
4706                        -from 2 -to 80 -increment 1 \
4707                        -width 3 \
4708                        -font font_ui
4709                bind $w.global.$name.size <FocusIn> {%W selection range 0 end}
4710                pack $w.global.$name.size -side right -anchor e
4711                pack $w.global.$name.family -side right -anchor e
4712                pack $w.global.$name -side top -anchor w -fill x
4713        }
4714
4715        bind $w <Visibility> "grab $w; focus $w.buttons.save"
4716        bind $w <Key-Escape> "destroy $w"
4717        bind $w <Key-Return> [list do_save_config $w]
4718        wm title $w "[appname] ([reponame]): Options"
4719        tkwait window $w
4720}
4721
4722proc do_restore_defaults {} {
4723        global font_descs default_config repo_config
4724        global repo_config_new global_config_new
4725
4726        foreach name [array names default_config] {
4727                set repo_config_new($name) $default_config($name)
4728                set global_config_new($name) $default_config($name)
4729        }
4730
4731        foreach option $font_descs {
4732                set name [lindex $option 0]
4733                set repo_config(gui.$name) $default_config(gui.$name)
4734        }
4735        apply_config
4736
4737        foreach option $font_descs {
4738                set name [lindex $option 0]
4739                set font [lindex $option 1]
4740                set global_config_new(gui.$font^^family) \
4741                        [font configure $font -family]
4742                set global_config_new(gui.$font^^size) \
4743                        [font configure $font -size]
4744        }
4745}
4746
4747proc do_save_config {w} {
4748        if {[catch {save_config} err]} {
4749                error_popup "Failed to completely save options:\n\n$err"
4750        }
4751        reshow_diff
4752        destroy $w
4753}
4754
4755proc do_windows_shortcut {} {
4756        global argv0
4757
4758        set fn [tk_getSaveFile \
4759                -parent . \
4760                -title "[appname] ([reponame]): Create Desktop Icon" \
4761                -initialfile "Git [reponame].bat"]
4762        if {$fn != {}} {
4763                if {[catch {
4764                                set fd [open $fn w]
4765                                puts $fd "@ECHO Entering [reponame]"
4766                                puts $fd "@ECHO Starting git-gui... please wait..."
4767                                puts $fd "@SET PATH=[file normalize [gitexec]];%PATH%"
4768                                puts $fd "@SET GIT_DIR=[file normalize [gitdir]]"
4769                                puts -nonewline $fd "@\"[info nameofexecutable]\""
4770                                puts $fd " \"[file normalize $argv0]\""
4771                                close $fd
4772                        } err]} {
4773                        error_popup "Cannot write script:\n\n$err"
4774                }
4775        }
4776}
4777
4778proc do_cygwin_shortcut {} {
4779        global argv0
4780
4781        if {[catch {
4782                set desktop [exec cygpath \
4783                        --windows \
4784                        --absolute \
4785                        --long-name \
4786                        --desktop]
4787                }]} {
4788                        set desktop .
4789        }
4790        set fn [tk_getSaveFile \
4791                -parent . \
4792                -title "[appname] ([reponame]): Create Desktop Icon" \
4793                -initialdir $desktop \
4794                -initialfile "Git [reponame].bat"]
4795        if {$fn != {}} {
4796                if {[catch {
4797                                set fd [open $fn w]
4798                                set sh [exec cygpath \
4799                                        --windows \
4800                                        --absolute \
4801                                        /bin/sh]
4802                                set me [exec cygpath \
4803                                        --unix \
4804                                        --absolute \
4805                                        $argv0]
4806                                set gd [exec cygpath \
4807                                        --unix \
4808                                        --absolute \
4809                                        [gitdir]]
4810                                set gw [exec cygpath \
4811                                        --windows \
4812                                        --absolute \
4813                                        [file dirname [gitdir]]]
4814                                regsub -all ' $me "'\\''" me
4815                                regsub -all ' $gd "'\\''" gd
4816                                puts $fd "@ECHO Entering $gw"
4817                                puts $fd "@ECHO Starting git-gui... please wait..."
4818                                puts -nonewline $fd "@\"$sh\" --login -c \""
4819                                puts -nonewline $fd "GIT_DIR='$gd'"
4820                                puts -nonewline $fd " '$me'"
4821                                puts $fd "&\""
4822                                close $fd
4823                        } err]} {
4824                        error_popup "Cannot write script:\n\n$err"
4825                }
4826        }
4827}
4828
4829proc do_macosx_app {} {
4830        global argv0 env
4831
4832        set fn [tk_getSaveFile \
4833                -parent . \
4834                -title "[appname] ([reponame]): Create Desktop Icon" \
4835                -initialdir [file join $env(HOME) Desktop] \
4836                -initialfile "Git [reponame].app"]
4837        if {$fn != {}} {
4838                if {[catch {
4839                                set Contents [file join $fn Contents]
4840                                set MacOS [file join $Contents MacOS]
4841                                set exe [file join $MacOS git-gui]
4842
4843                                file mkdir $MacOS
4844
4845                                set fd [open [file join $Contents Info.plist] w]
4846                                puts $fd {<?xml version="1.0" encoding="UTF-8"?>
4847<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
4848<plist version="1.0">
4849<dict>
4850        <key>CFBundleDevelopmentRegion</key>
4851        <string>English</string>
4852        <key>CFBundleExecutable</key>
4853        <string>git-gui</string>
4854        <key>CFBundleIdentifier</key>
4855        <string>org.spearce.git-gui</string>
4856        <key>CFBundleInfoDictionaryVersion</key>
4857        <string>6.0</string>
4858        <key>CFBundlePackageType</key>
4859        <string>APPL</string>
4860        <key>CFBundleSignature</key>
4861        <string>????</string>
4862        <key>CFBundleVersion</key>
4863        <string>1.0</string>
4864        <key>NSPrincipalClass</key>
4865        <string>NSApplication</string>
4866</dict>
4867</plist>}
4868                                close $fd
4869
4870                                set fd [open $exe w]
4871                                set gd [file normalize [gitdir]]
4872                                set ep [file normalize [gitexec]]
4873                                regsub -all ' $gd "'\\''" gd
4874                                regsub -all ' $ep "'\\''" ep
4875                                puts $fd "#!/bin/sh"
4876                                foreach name [array names env] {
4877                                        if {[string match GIT_* $name]} {
4878                                                regsub -all ' $env($name) "'\\''" v
4879                                                puts $fd "export $name='$v'"
4880                                        }
4881                                }
4882                                puts $fd "export PATH='$ep':\$PATH"
4883                                puts $fd "export GIT_DIR='$gd'"
4884                                puts $fd "exec [file normalize $argv0]"
4885                                close $fd
4886
4887                                file attributes $exe -permissions u+x,g+x,o+x
4888                        } err]} {
4889                        error_popup "Cannot write icon:\n\n$err"
4890                }
4891        }
4892}
4893
4894proc toggle_or_diff {w x y} {
4895        global file_states file_lists current_diff_path ui_index ui_workdir
4896        global last_clicked selected_paths
4897
4898        set pos [split [$w index @$x,$y] .]
4899        set lno [lindex $pos 0]
4900        set col [lindex $pos 1]
4901        set path [lindex $file_lists($w) [expr {$lno - 1}]]
4902        if {$path eq {}} {
4903                set last_clicked {}
4904                return
4905        }
4906
4907        set last_clicked [list $w $lno]
4908        array unset selected_paths
4909        $ui_index tag remove in_sel 0.0 end
4910        $ui_workdir tag remove in_sel 0.0 end
4911
4912        if {$col == 0} {
4913                if {$current_diff_path eq $path} {
4914                        set after {reshow_diff;}
4915                } else {
4916                        set after {}
4917                }
4918                if {$w eq $ui_index} {
4919                        update_indexinfo \
4920                                "Unstaging [short_path $path] from commit" \
4921                                [list $path] \
4922                                [concat $after {set ui_status_value {Ready.}}]
4923                } elseif {$w eq $ui_workdir} {
4924                        update_index \
4925                                "Adding [short_path $path]" \
4926                                [list $path] \
4927                                [concat $after {set ui_status_value {Ready.}}]
4928                }
4929        } else {
4930                show_diff $path $w $lno
4931        }
4932}
4933
4934proc add_one_to_selection {w x y} {
4935        global file_lists last_clicked selected_paths
4936
4937        set lno [lindex [split [$w index @$x,$y] .] 0]
4938        set path [lindex $file_lists($w) [expr {$lno - 1}]]
4939        if {$path eq {}} {
4940                set last_clicked {}
4941                return
4942        }
4943
4944        if {$last_clicked ne {}
4945                && [lindex $last_clicked 0] ne $w} {
4946                array unset selected_paths
4947                [lindex $last_clicked 0] tag remove in_sel 0.0 end
4948        }
4949
4950        set last_clicked [list $w $lno]
4951        if {[catch {set in_sel $selected_paths($path)}]} {
4952                set in_sel 0
4953        }
4954        if {$in_sel} {
4955                unset selected_paths($path)
4956                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
4957        } else {
4958                set selected_paths($path) 1
4959                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
4960        }
4961}
4962
4963proc add_range_to_selection {w x y} {
4964        global file_lists last_clicked selected_paths
4965
4966        if {[lindex $last_clicked 0] ne $w} {
4967                toggle_or_diff $w $x $y
4968                return
4969        }
4970
4971        set lno [lindex [split [$w index @$x,$y] .] 0]
4972        set lc [lindex $last_clicked 1]
4973        if {$lc < $lno} {
4974                set begin $lc
4975                set end $lno
4976        } else {
4977                set begin $lno
4978                set end $lc
4979        }
4980
4981        foreach path [lrange $file_lists($w) \
4982                [expr {$begin - 1}] \
4983                [expr {$end - 1}]] {
4984                set selected_paths($path) 1
4985        }
4986        $w tag add in_sel $begin.0 [expr {$end + 1}].0
4987}
4988
4989######################################################################
4990##
4991## config defaults
4992
4993set cursor_ptr arrow
4994font create font_diff -family Courier -size 10
4995font create font_ui
4996catch {
4997        label .dummy
4998        eval font configure font_ui [font actual [.dummy cget -font]]
4999        destroy .dummy
5000}
5001
5002font create font_uibold
5003font create font_diffbold
5004
5005if {[is_Windows]} {
5006        set M1B Control
5007        set M1T Ctrl
5008} elseif {[is_MacOSX]} {
5009        set M1B M1
5010        set M1T Cmd
5011} else {
5012        set M1B M1
5013        set M1T M1
5014}
5015
5016proc apply_config {} {
5017        global repo_config font_descs
5018
5019        foreach option $font_descs {
5020                set name [lindex $option 0]
5021                set font [lindex $option 1]
5022                if {[catch {
5023                        foreach {cn cv} $repo_config(gui.$name) {
5024                                font configure $font $cn $cv
5025                        }
5026                        } err]} {
5027                        error_popup "Invalid font specified in gui.$name:\n\n$err"
5028                }
5029                foreach {cn cv} [font configure $font] {
5030                        font configure ${font}bold $cn $cv
5031                }
5032                font configure ${font}bold -weight bold
5033        }
5034}
5035
5036set default_config(merge.summary) false
5037set default_config(merge.verbosity) 2
5038set default_config(user.name) {}
5039set default_config(user.email) {}
5040
5041set default_config(gui.trustmtime) false
5042set default_config(gui.diffcontext) 5
5043set default_config(gui.newbranchtemplate) {}
5044set default_config(gui.fontui) [font configure font_ui]
5045set default_config(gui.fontdiff) [font configure font_diff]
5046set font_descs {
5047        {fontui   font_ui   {Main Font}}
5048        {fontdiff font_diff {Diff/Console Font}}
5049}
5050load_config 0
5051apply_config
5052
5053######################################################################
5054##
5055## feature option selection
5056
5057if {[regexp {^git-(.+)$} [appname] _junk subcommand]} {
5058        unset _junk
5059} else {
5060        set subcommand gui
5061}
5062if {$subcommand eq {gui.sh}} {
5063        set subcommand gui
5064}
5065if {$subcommand eq {gui} && [llength $argv] > 0} {
5066        set subcommand [lindex $argv 0]
5067        set argv [lrange $argv 1 end]
5068}
5069
5070enable_option multicommit
5071enable_option branch
5072enable_option transport
5073
5074switch -- $subcommand {
5075browser -
5076blame {
5077        disable_option multicommit
5078        disable_option branch
5079        disable_option transport
5080}
5081citool {
5082        enable_option singlecommit
5083
5084        disable_option multicommit
5085        disable_option branch
5086        disable_option transport
5087}
5088}
5089
5090######################################################################
5091##
5092## ui construction
5093
5094set ui_comm {}
5095
5096# -- Menu Bar
5097#
5098menu .mbar -tearoff 0
5099.mbar add cascade -label Repository -menu .mbar.repository -font font_ui
5100.mbar add cascade -label Edit -menu .mbar.edit -font font_ui
5101if {[is_enabled branch]} {
5102        .mbar add cascade -label Branch -menu .mbar.branch -font font_ui
5103}
5104if {[is_enabled multicommit] || [is_enabled singlecommit]} {
5105        .mbar add cascade -label Commit -menu .mbar.commit -font font_ui
5106}
5107if {[is_enabled transport]} {
5108        .mbar add cascade -label Merge -menu .mbar.merge -font font_ui
5109        .mbar add cascade -label Fetch -menu .mbar.fetch -font font_ui
5110        .mbar add cascade -label Push -menu .mbar.push -font font_ui
5111}
5112. configure -menu .mbar
5113
5114# -- Repository Menu
5115#
5116menu .mbar.repository
5117
5118.mbar.repository add command \
5119        -label {Browse Current Branch} \
5120        -command {new_browser $current_branch} \
5121        -font font_ui
5122trace add variable current_branch write ".mbar.repository entryconf [.mbar.repository index last] -label \"Browse \$current_branch\" ;#"
5123.mbar.repository add separator
5124
5125.mbar.repository add command \
5126        -label {Visualize Current Branch} \
5127        -command {do_gitk $current_branch} \
5128        -font font_ui
5129trace add variable current_branch write ".mbar.repository entryconf [.mbar.repository index last] -label \"Visualize \$current_branch\" ;#"
5130.mbar.repository add command \
5131        -label {Visualize All Branches} \
5132        -command {do_gitk --all} \
5133        -font font_ui
5134.mbar.repository add separator
5135
5136if {[is_enabled multicommit]} {
5137        .mbar.repository add command -label {Database Statistics} \
5138                -command do_stats \
5139                -font font_ui
5140
5141        .mbar.repository add command -label {Compress Database} \
5142                -command do_gc \
5143                -font font_ui
5144
5145        .mbar.repository add command -label {Verify Database} \
5146                -command do_fsck_objects \
5147                -font font_ui
5148
5149        .mbar.repository add separator
5150
5151        if {[is_Cygwin]} {
5152                .mbar.repository add command \
5153                        -label {Create Desktop Icon} \
5154                        -command do_cygwin_shortcut \
5155                        -font font_ui
5156        } elseif {[is_Windows]} {
5157                .mbar.repository add command \
5158                        -label {Create Desktop Icon} \
5159                        -command do_windows_shortcut \
5160                        -font font_ui
5161        } elseif {[is_MacOSX]} {
5162                .mbar.repository add command \
5163                        -label {Create Desktop Icon} \
5164                        -command do_macosx_app \
5165                        -font font_ui
5166        }
5167}
5168
5169.mbar.repository add command -label Quit \
5170        -command do_quit \
5171        -accelerator $M1T-Q \
5172        -font font_ui
5173
5174# -- Edit Menu
5175#
5176menu .mbar.edit
5177.mbar.edit add command -label Undo \
5178        -command {catch {[focus] edit undo}} \
5179        -accelerator $M1T-Z \
5180        -font font_ui
5181.mbar.edit add command -label Redo \
5182        -command {catch {[focus] edit redo}} \
5183        -accelerator $M1T-Y \
5184        -font font_ui
5185.mbar.edit add separator
5186.mbar.edit add command -label Cut \
5187        -command {catch {tk_textCut [focus]}} \
5188        -accelerator $M1T-X \
5189        -font font_ui
5190.mbar.edit add command -label Copy \
5191        -command {catch {tk_textCopy [focus]}} \
5192        -accelerator $M1T-C \
5193        -font font_ui
5194.mbar.edit add command -label Paste \
5195        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
5196        -accelerator $M1T-V \
5197        -font font_ui
5198.mbar.edit add command -label Delete \
5199        -command {catch {[focus] delete sel.first sel.last}} \
5200        -accelerator Del \
5201        -font font_ui
5202.mbar.edit add separator
5203.mbar.edit add command -label {Select All} \
5204        -command {catch {[focus] tag add sel 0.0 end}} \
5205        -accelerator $M1T-A \
5206        -font font_ui
5207
5208# -- Branch Menu
5209#
5210if {[is_enabled branch]} {
5211        menu .mbar.branch
5212
5213        .mbar.branch add command -label {Create...} \
5214                -command do_create_branch \
5215                -accelerator $M1T-N \
5216                -font font_ui
5217        lappend disable_on_lock [list .mbar.branch entryconf \
5218                [.mbar.branch index last] -state]
5219
5220        .mbar.branch add command -label {Delete...} \
5221                -command do_delete_branch \
5222                -font font_ui
5223        lappend disable_on_lock [list .mbar.branch entryconf \
5224                [.mbar.branch index last] -state]
5225
5226        .mbar.branch add command -label {Reset...} \
5227                -command do_reset_hard \
5228                -font font_ui
5229        lappend disable_on_lock [list .mbar.branch entryconf \
5230                [.mbar.branch index last] -state]
5231}
5232
5233# -- Commit Menu
5234#
5235if {[is_enabled multicommit] || [is_enabled singlecommit]} {
5236        menu .mbar.commit
5237
5238        .mbar.commit add radiobutton \
5239                -label {New Commit} \
5240                -command do_select_commit_type \
5241                -variable selected_commit_type \
5242                -value new \
5243                -font font_ui
5244        lappend disable_on_lock \
5245                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5246
5247        .mbar.commit add radiobutton \
5248                -label {Amend Last Commit} \
5249                -command do_select_commit_type \
5250                -variable selected_commit_type \
5251                -value amend \
5252                -font font_ui
5253        lappend disable_on_lock \
5254                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5255
5256        .mbar.commit add separator
5257
5258        .mbar.commit add command -label Rescan \
5259                -command do_rescan \
5260                -accelerator F5 \
5261                -font font_ui
5262        lappend disable_on_lock \
5263                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5264
5265        .mbar.commit add command -label {Add To Commit} \
5266                -command do_add_selection \
5267                -font font_ui
5268        lappend disable_on_lock \
5269                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5270
5271        .mbar.commit add command -label {Add Existing To Commit} \
5272                -command do_add_all \
5273                -accelerator $M1T-I \
5274                -font font_ui
5275        lappend disable_on_lock \
5276                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5277
5278        .mbar.commit add command -label {Unstage From Commit} \
5279                -command do_unstage_selection \
5280                -font font_ui
5281        lappend disable_on_lock \
5282                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5283
5284        .mbar.commit add command -label {Revert Changes} \
5285                -command do_revert_selection \
5286                -font font_ui
5287        lappend disable_on_lock \
5288                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5289
5290        .mbar.commit add separator
5291
5292        .mbar.commit add command -label {Sign Off} \
5293                -command do_signoff \
5294                -accelerator $M1T-S \
5295                -font font_ui
5296
5297        .mbar.commit add command -label Commit \
5298                -command do_commit \
5299                -accelerator $M1T-Return \
5300                -font font_ui
5301        lappend disable_on_lock \
5302                [list .mbar.commit entryconf [.mbar.commit index last] -state]
5303}
5304
5305# -- Merge Menu
5306#
5307if {[is_enabled branch]} {
5308        menu .mbar.merge
5309        .mbar.merge add command -label {Local Merge...} \
5310                -command do_local_merge \
5311                -font font_ui
5312        lappend disable_on_lock \
5313                [list .mbar.merge entryconf [.mbar.merge index last] -state]
5314        .mbar.merge add command -label {Abort Merge...} \
5315                -command do_reset_hard \
5316                -font font_ui
5317        lappend disable_on_lock \
5318                [list .mbar.merge entryconf [.mbar.merge index last] -state]
5319
5320}
5321
5322# -- Transport Menu
5323#
5324if {[is_enabled transport]} {
5325        menu .mbar.fetch
5326
5327        menu .mbar.push
5328        .mbar.push add command -label {Push...} \
5329                -command do_push_anywhere \
5330                -font font_ui
5331}
5332
5333if {[is_MacOSX]} {
5334        # -- Apple Menu (Mac OS X only)
5335        #
5336        .mbar add cascade -label Apple -menu .mbar.apple
5337        menu .mbar.apple
5338
5339        .mbar.apple add command -label "About [appname]" \
5340                -command do_about \
5341                -font font_ui
5342        .mbar.apple add command -label "Options..." \
5343                -command do_options \
5344                -font font_ui
5345} else {
5346        # -- Edit Menu
5347        #
5348        .mbar.edit add separator
5349        .mbar.edit add command -label {Options...} \
5350                -command do_options \
5351                -font font_ui
5352
5353        # -- Tools Menu
5354        #
5355        if {[file exists /usr/local/miga/lib/gui-miga]
5356                && [file exists .pvcsrc]} {
5357        proc do_miga {} {
5358                global ui_status_value
5359                if {![lock_index update]} return
5360                set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
5361                set miga_fd [open "|$cmd" r]
5362                fconfigure $miga_fd -blocking 0
5363                fileevent $miga_fd readable [list miga_done $miga_fd]
5364                set ui_status_value {Running miga...}
5365        }
5366        proc miga_done {fd} {
5367                read $fd 512
5368                if {[eof $fd]} {
5369                        close $fd
5370                        unlock_index
5371                        rescan [list set ui_status_value {Ready.}]
5372                }
5373        }
5374        .mbar add cascade -label Tools -menu .mbar.tools
5375        menu .mbar.tools
5376        .mbar.tools add command -label "Migrate" \
5377                -command do_miga \
5378                -font font_ui
5379        lappend disable_on_lock \
5380                [list .mbar.tools entryconf [.mbar.tools index last] -state]
5381        }
5382}
5383
5384# -- Help Menu
5385#
5386.mbar add cascade -label Help -menu .mbar.help -font font_ui
5387menu .mbar.help
5388
5389if {![is_MacOSX]} {
5390        .mbar.help add command -label "About [appname]" \
5391                -command do_about \
5392                -font font_ui
5393}
5394
5395set browser {}
5396catch {set browser $repo_config(instaweb.browser)}
5397set doc_path [file dirname [gitexec]]
5398set doc_path [file join $doc_path Documentation index.html]
5399
5400if {[is_Cygwin]} {
5401        set doc_path [exec cygpath --mixed $doc_path]
5402}
5403
5404if {$browser eq {}} {
5405        if {[is_MacOSX]} {
5406                set browser open
5407        } elseif {[is_Cygwin]} {
5408                set program_files [file dirname [exec cygpath --windir]]
5409                set program_files [file join $program_files {Program Files}]
5410                set firefox [file join $program_files {Mozilla Firefox} firefox.exe]
5411                set ie [file join $program_files {Internet Explorer} IEXPLORE.EXE]
5412                if {[file exists $firefox]} {
5413                        set browser $firefox
5414                } elseif {[file exists $ie]} {
5415                        set browser $ie
5416                }
5417                unset program_files firefox ie
5418        }
5419}
5420
5421if {[file isfile $doc_path]} {
5422        set doc_url "file:$doc_path"
5423} else {
5424        set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
5425}
5426
5427if {$browser ne {}} {
5428        .mbar.help add command -label {Online Documentation} \
5429                -command [list exec $browser $doc_url &] \
5430                -font font_ui
5431}
5432unset browser doc_path doc_url
5433
5434# -- Standard bindings
5435#
5436bind .   <Destroy> do_quit
5437bind all <$M1B-Key-q> do_quit
5438bind all <$M1B-Key-Q> do_quit
5439bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
5440bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
5441
5442# -- Not a normal commit type invocation?  Do that instead!
5443#
5444switch -- $subcommand {
5445browser {
5446        if {[llength $argv] != 1} {
5447                puts stderr "usage: $argv0 browser commit"
5448                exit 1
5449        }
5450        set current_branch [lindex $argv 0]
5451        new_browser $current_branch
5452        return
5453}
5454blame {
5455        if {[llength $argv] != 2} {
5456                puts stderr "usage: $argv0 blame commit path"
5457                exit 1
5458        }
5459        set current_branch [lindex $argv 0]
5460        show_blame $current_branch [lindex $argv 1]
5461        return
5462}
5463citool -
5464gui {
5465        if {[llength $argv] != 0} {
5466                puts -nonewline stderr "usage: $argv0"
5467                if {$subcommand ne {gui} && [appname] ne "git-$subcommand"} {
5468                        puts -nonewline stderr " $subcommand"
5469                }
5470                puts stderr {}
5471                exit 1
5472        }
5473        # fall through to setup UI for commits
5474}
5475default {
5476        puts stderr "usage: $argv0 \[{blame|browser|citool}\]"
5477        exit 1
5478}
5479}
5480
5481# -- Branch Control
5482#
5483frame .branch \
5484        -borderwidth 1 \
5485        -relief sunken
5486label .branch.l1 \
5487        -text {Current Branch:} \
5488        -anchor w \
5489        -justify left \
5490        -font font_ui
5491label .branch.cb \
5492        -textvariable current_branch \
5493        -anchor w \
5494        -justify left \
5495        -font font_ui
5496pack .branch.l1 -side left
5497pack .branch.cb -side left -fill x
5498pack .branch -side top -fill x
5499
5500# -- Main Window Layout
5501#
5502panedwindow .vpane -orient vertical
5503panedwindow .vpane.files -orient horizontal
5504.vpane add .vpane.files -sticky nsew -height 100 -width 200
5505pack .vpane -anchor n -side top -fill both -expand 1
5506
5507# -- Index File List
5508#
5509frame .vpane.files.index -height 100 -width 200
5510label .vpane.files.index.title -text {Changes To Be Committed} \
5511        -background green \
5512        -font font_ui
5513text $ui_index -background white -borderwidth 0 \
5514        -width 20 -height 10 \
5515        -wrap none \
5516        -font font_ui \
5517        -cursor $cursor_ptr \
5518        -xscrollcommand {.vpane.files.index.sx set} \
5519        -yscrollcommand {.vpane.files.index.sy set} \
5520        -state disabled
5521scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
5522scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
5523pack .vpane.files.index.title -side top -fill x
5524pack .vpane.files.index.sx -side bottom -fill x
5525pack .vpane.files.index.sy -side right -fill y
5526pack $ui_index -side left -fill both -expand 1
5527.vpane.files add .vpane.files.index -sticky nsew
5528
5529# -- Working Directory File List
5530#
5531frame .vpane.files.workdir -height 100 -width 200
5532label .vpane.files.workdir.title -text {Changed But Not Updated} \
5533        -background red \
5534        -font font_ui
5535text $ui_workdir -background white -borderwidth 0 \
5536        -width 20 -height 10 \
5537        -wrap none \
5538        -font font_ui \
5539        -cursor $cursor_ptr \
5540        -xscrollcommand {.vpane.files.workdir.sx set} \
5541        -yscrollcommand {.vpane.files.workdir.sy set} \
5542        -state disabled
5543scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
5544scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
5545pack .vpane.files.workdir.title -side top -fill x
5546pack .vpane.files.workdir.sx -side bottom -fill x
5547pack .vpane.files.workdir.sy -side right -fill y
5548pack $ui_workdir -side left -fill both -expand 1
5549.vpane.files add .vpane.files.workdir -sticky nsew
5550
5551foreach i [list $ui_index $ui_workdir] {
5552        $i tag conf in_diff -font font_uibold
5553        $i tag conf in_sel \
5554                -background [$i cget -foreground] \
5555                -foreground [$i cget -background]
5556}
5557unset i
5558
5559# -- Diff and Commit Area
5560#
5561frame .vpane.lower -height 300 -width 400
5562frame .vpane.lower.commarea
5563frame .vpane.lower.diff -relief sunken -borderwidth 1
5564pack .vpane.lower.commarea -side top -fill x
5565pack .vpane.lower.diff -side bottom -fill both -expand 1
5566.vpane add .vpane.lower -sticky nsew
5567
5568# -- Commit Area Buttons
5569#
5570frame .vpane.lower.commarea.buttons
5571label .vpane.lower.commarea.buttons.l -text {} \
5572        -anchor w \
5573        -justify left \
5574        -font font_ui
5575pack .vpane.lower.commarea.buttons.l -side top -fill x
5576pack .vpane.lower.commarea.buttons -side left -fill y
5577
5578button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
5579        -command do_rescan \
5580        -font font_ui
5581pack .vpane.lower.commarea.buttons.rescan -side top -fill x
5582lappend disable_on_lock \
5583        {.vpane.lower.commarea.buttons.rescan conf -state}
5584
5585button .vpane.lower.commarea.buttons.incall -text {Add Existing} \
5586        -command do_add_all \
5587        -font font_ui
5588pack .vpane.lower.commarea.buttons.incall -side top -fill x
5589lappend disable_on_lock \
5590        {.vpane.lower.commarea.buttons.incall conf -state}
5591
5592button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
5593        -command do_signoff \
5594        -font font_ui
5595pack .vpane.lower.commarea.buttons.signoff -side top -fill x
5596
5597button .vpane.lower.commarea.buttons.commit -text {Commit} \
5598        -command do_commit \
5599        -font font_ui
5600pack .vpane.lower.commarea.buttons.commit -side top -fill x
5601lappend disable_on_lock \
5602        {.vpane.lower.commarea.buttons.commit conf -state}
5603
5604# -- Commit Message Buffer
5605#
5606frame .vpane.lower.commarea.buffer
5607frame .vpane.lower.commarea.buffer.header
5608set ui_comm .vpane.lower.commarea.buffer.t
5609set ui_coml .vpane.lower.commarea.buffer.header.l
5610radiobutton .vpane.lower.commarea.buffer.header.new \
5611        -text {New Commit} \
5612        -command do_select_commit_type \
5613        -variable selected_commit_type \
5614        -value new \
5615        -font font_ui
5616lappend disable_on_lock \
5617        [list .vpane.lower.commarea.buffer.header.new conf -state]
5618radiobutton .vpane.lower.commarea.buffer.header.amend \
5619        -text {Amend Last Commit} \
5620        -command do_select_commit_type \
5621        -variable selected_commit_type \
5622        -value amend \
5623        -font font_ui
5624lappend disable_on_lock \
5625        [list .vpane.lower.commarea.buffer.header.amend conf -state]
5626label $ui_coml \
5627        -anchor w \
5628        -justify left \
5629        -font font_ui
5630proc trace_commit_type {varname args} {
5631        global ui_coml commit_type
5632        switch -glob -- $commit_type {
5633        initial       {set txt {Initial Commit Message:}}
5634        amend         {set txt {Amended Commit Message:}}
5635        amend-initial {set txt {Amended Initial Commit Message:}}
5636        amend-merge   {set txt {Amended Merge Commit Message:}}
5637        merge         {set txt {Merge Commit Message:}}
5638        *             {set txt {Commit Message:}}
5639        }
5640        $ui_coml conf -text $txt
5641}
5642trace add variable commit_type write trace_commit_type
5643pack $ui_coml -side left -fill x
5644pack .vpane.lower.commarea.buffer.header.amend -side right
5645pack .vpane.lower.commarea.buffer.header.new -side right
5646
5647text $ui_comm -background white -borderwidth 1 \
5648        -undo true \
5649        -maxundo 20 \
5650        -autoseparators true \
5651        -relief sunken \
5652        -width 75 -height 9 -wrap none \
5653        -font font_diff \
5654        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
5655scrollbar .vpane.lower.commarea.buffer.sby \
5656        -command [list $ui_comm yview]
5657pack .vpane.lower.commarea.buffer.header -side top -fill x
5658pack .vpane.lower.commarea.buffer.sby -side right -fill y
5659pack $ui_comm -side left -fill y
5660pack .vpane.lower.commarea.buffer -side left -fill y
5661
5662# -- Commit Message Buffer Context Menu
5663#
5664set ctxm .vpane.lower.commarea.buffer.ctxm
5665menu $ctxm -tearoff 0
5666$ctxm add command \
5667        -label {Cut} \
5668        -font font_ui \
5669        -command {tk_textCut $ui_comm}
5670$ctxm add command \
5671        -label {Copy} \
5672        -font font_ui \
5673        -command {tk_textCopy $ui_comm}
5674$ctxm add command \
5675        -label {Paste} \
5676        -font font_ui \
5677        -command {tk_textPaste $ui_comm}
5678$ctxm add command \
5679        -label {Delete} \
5680        -font font_ui \
5681        -command {$ui_comm delete sel.first sel.last}
5682$ctxm add separator
5683$ctxm add command \
5684        -label {Select All} \
5685        -font font_ui \
5686        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
5687$ctxm add command \
5688        -label {Copy All} \
5689        -font font_ui \
5690        -command {
5691                $ui_comm tag add sel 0.0 end
5692                tk_textCopy $ui_comm
5693                $ui_comm tag remove sel 0.0 end
5694        }
5695$ctxm add separator
5696$ctxm add command \
5697        -label {Sign Off} \
5698        -font font_ui \
5699        -command do_signoff
5700bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
5701
5702# -- Diff Header
5703#
5704proc trace_current_diff_path {varname args} {
5705        global current_diff_path diff_actions file_states
5706        if {$current_diff_path eq {}} {
5707                set s {}
5708                set f {}
5709                set p {}
5710                set o disabled
5711        } else {
5712                set p $current_diff_path
5713                set s [mapdesc [lindex $file_states($p) 0] $p]
5714                set f {File:}
5715                set p [escape_path $p]
5716                set o normal
5717        }
5718
5719        .vpane.lower.diff.header.status configure -text $s
5720        .vpane.lower.diff.header.file configure -text $f
5721        .vpane.lower.diff.header.path configure -text $p
5722        foreach w $diff_actions {
5723                uplevel #0 $w $o
5724        }
5725}
5726trace add variable current_diff_path write trace_current_diff_path
5727
5728frame .vpane.lower.diff.header -background orange
5729label .vpane.lower.diff.header.status \
5730        -background orange \
5731        -width $max_status_desc \
5732        -anchor w \
5733        -justify left \
5734        -font font_ui
5735label .vpane.lower.diff.header.file \
5736        -background orange \
5737        -anchor w \
5738        -justify left \
5739        -font font_ui
5740label .vpane.lower.diff.header.path \
5741        -background orange \
5742        -anchor w \
5743        -justify left \
5744        -font font_ui
5745pack .vpane.lower.diff.header.status -side left
5746pack .vpane.lower.diff.header.file -side left
5747pack .vpane.lower.diff.header.path -fill x
5748set ctxm .vpane.lower.diff.header.ctxm
5749menu $ctxm -tearoff 0
5750$ctxm add command \
5751        -label {Copy} \
5752        -font font_ui \
5753        -command {
5754                clipboard clear
5755                clipboard append \
5756                        -format STRING \
5757                        -type STRING \
5758                        -- $current_diff_path
5759        }
5760lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5761bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
5762
5763# -- Diff Body
5764#
5765frame .vpane.lower.diff.body
5766set ui_diff .vpane.lower.diff.body.t
5767text $ui_diff -background white -borderwidth 0 \
5768        -width 80 -height 15 -wrap none \
5769        -font font_diff \
5770        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
5771        -yscrollcommand {.vpane.lower.diff.body.sby set} \
5772        -state disabled
5773scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
5774        -command [list $ui_diff xview]
5775scrollbar .vpane.lower.diff.body.sby -orient vertical \
5776        -command [list $ui_diff yview]
5777pack .vpane.lower.diff.body.sbx -side bottom -fill x
5778pack .vpane.lower.diff.body.sby -side right -fill y
5779pack $ui_diff -side left -fill both -expand 1
5780pack .vpane.lower.diff.header -side top -fill x
5781pack .vpane.lower.diff.body -side bottom -fill both -expand 1
5782
5783$ui_diff tag conf d_cr -elide true
5784$ui_diff tag conf d_@ -foreground blue -font font_diffbold
5785$ui_diff tag conf d_+ -foreground {#00a000}
5786$ui_diff tag conf d_- -foreground red
5787
5788$ui_diff tag conf d_++ -foreground {#00a000}
5789$ui_diff tag conf d_-- -foreground red
5790$ui_diff tag conf d_+s \
5791        -foreground {#00a000} \
5792        -background {#e2effa}
5793$ui_diff tag conf d_-s \
5794        -foreground red \
5795        -background {#e2effa}
5796$ui_diff tag conf d_s+ \
5797        -foreground {#00a000} \
5798        -background ivory1
5799$ui_diff tag conf d_s- \
5800        -foreground red \
5801        -background ivory1
5802
5803$ui_diff tag conf d<<<<<<< \
5804        -foreground orange \
5805        -font font_diffbold
5806$ui_diff tag conf d======= \
5807        -foreground orange \
5808        -font font_diffbold
5809$ui_diff tag conf d>>>>>>> \
5810        -foreground orange \
5811        -font font_diffbold
5812
5813$ui_diff tag raise sel
5814
5815# -- Diff Body Context Menu
5816#
5817set ctxm .vpane.lower.diff.body.ctxm
5818menu $ctxm -tearoff 0
5819$ctxm add command \
5820        -label {Refresh} \
5821        -font font_ui \
5822        -command reshow_diff
5823lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5824$ctxm add command \
5825        -label {Copy} \
5826        -font font_ui \
5827        -command {tk_textCopy $ui_diff}
5828lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5829$ctxm add command \
5830        -label {Select All} \
5831        -font font_ui \
5832        -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
5833lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5834$ctxm add command \
5835        -label {Copy All} \
5836        -font font_ui \
5837        -command {
5838                $ui_diff tag add sel 0.0 end
5839                tk_textCopy $ui_diff
5840                $ui_diff tag remove sel 0.0 end
5841        }
5842lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5843$ctxm add separator
5844$ctxm add command \
5845        -label {Apply/Reverse Hunk} \
5846        -font font_ui \
5847        -command {apply_hunk $cursorX $cursorY}
5848set ui_diff_applyhunk [$ctxm index last]
5849lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
5850$ctxm add separator
5851$ctxm add command \
5852        -label {Decrease Font Size} \
5853        -font font_ui \
5854        -command {incr_font_size font_diff -1}
5855lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5856$ctxm add command \
5857        -label {Increase Font Size} \
5858        -font font_ui \
5859        -command {incr_font_size font_diff 1}
5860lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5861$ctxm add separator
5862$ctxm add command \
5863        -label {Show Less Context} \
5864        -font font_ui \
5865        -command {if {$repo_config(gui.diffcontext) >= 2} {
5866                incr repo_config(gui.diffcontext) -1
5867                reshow_diff
5868        }}
5869lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5870$ctxm add command \
5871        -label {Show More Context} \
5872        -font font_ui \
5873        -command {
5874                incr repo_config(gui.diffcontext)
5875                reshow_diff
5876        }
5877lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
5878$ctxm add separator
5879$ctxm add command -label {Options...} \
5880        -font font_ui \
5881        -command do_options
5882bind_button3 $ui_diff "
5883        set cursorX %x
5884        set cursorY %y
5885        if {\$ui_index eq \$current_diff_side} {
5886                $ctxm entryconf $ui_diff_applyhunk -label {Unstage Hunk From Commit}
5887        } else {
5888                $ctxm entryconf $ui_diff_applyhunk -label {Stage Hunk For Commit}
5889        }
5890        tk_popup $ctxm %X %Y
5891"
5892unset ui_diff_applyhunk
5893
5894# -- Status Bar
5895#
5896label .status -textvariable ui_status_value \
5897        -anchor w \
5898        -justify left \
5899        -borderwidth 1 \
5900        -relief sunken \
5901        -font font_ui
5902pack .status -anchor w -side bottom -fill x
5903
5904# -- Load geometry
5905#
5906catch {
5907set gm $repo_config(gui.geometry)
5908wm geometry . [lindex $gm 0]
5909.vpane sash place 0 \
5910        [lindex [.vpane sash coord 0] 0] \
5911        [lindex $gm 1]
5912.vpane.files sash place 0 \
5913        [lindex $gm 2] \
5914        [lindex [.vpane.files sash coord 0] 1]
5915unset gm
5916}
5917
5918# -- Key Bindings
5919#
5920bind $ui_comm <$M1B-Key-Return> {do_commit;break}
5921bind $ui_comm <$M1B-Key-i> {do_add_all;break}
5922bind $ui_comm <$M1B-Key-I> {do_add_all;break}
5923bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
5924bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
5925bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
5926bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
5927bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
5928bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
5929bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
5930bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
5931
5932bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
5933bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
5934bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
5935bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
5936bind $ui_diff <$M1B-Key-v> {break}
5937bind $ui_diff <$M1B-Key-V> {break}
5938bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
5939bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
5940bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
5941bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
5942bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
5943bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
5944bind $ui_diff <Button-1>   {focus %W}
5945
5946if {[is_enabled branch]} {
5947        bind . <$M1B-Key-n> do_create_branch
5948        bind . <$M1B-Key-N> do_create_branch
5949}
5950
5951bind all <Key-F5> do_rescan
5952bind all <$M1B-Key-r> do_rescan
5953bind all <$M1B-Key-R> do_rescan
5954bind .   <$M1B-Key-s> do_signoff
5955bind .   <$M1B-Key-S> do_signoff
5956bind .   <$M1B-Key-i> do_add_all
5957bind .   <$M1B-Key-I> do_add_all
5958bind .   <$M1B-Key-Return> do_commit
5959foreach i [list $ui_index $ui_workdir] {
5960        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
5961        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
5962        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
5963}
5964unset i
5965
5966set file_lists($ui_index) [list]
5967set file_lists($ui_workdir) [list]
5968
5969wm title . "[appname] ([file normalize [file dirname [gitdir]]])"
5970focus -force $ui_comm
5971
5972# -- Warn the user about environmental problems.  Cygwin's Tcl
5973#    does *not* pass its env array onto any processes it spawns.
5974#    This means that git processes get none of our environment.
5975#
5976if {[is_Cygwin]} {
5977        set ignored_env 0
5978        set suggest_user {}
5979        set msg "Possible environment issues exist.
5980
5981The following environment variables are probably
5982going to be ignored by any Git subprocess run
5983by [appname]:
5984
5985"
5986        foreach name [array names env] {
5987                switch -regexp -- $name {
5988                {^GIT_INDEX_FILE$} -
5989                {^GIT_OBJECT_DIRECTORY$} -
5990                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
5991                {^GIT_DIFF_OPTS$} -
5992                {^GIT_EXTERNAL_DIFF$} -
5993                {^GIT_PAGER$} -
5994                {^GIT_TRACE$} -
5995                {^GIT_CONFIG$} -
5996                {^GIT_CONFIG_LOCAL$} -
5997                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
5998                        append msg " - $name\n"
5999                        incr ignored_env
6000                }
6001                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
6002                        append msg " - $name\n"
6003                        incr ignored_env
6004                        set suggest_user $name
6005                }
6006                }
6007        }
6008        if {$ignored_env > 0} {
6009                append msg "
6010This is due to a known issue with the
6011Tcl binary distributed by Cygwin."
6012
6013                if {$suggest_user ne {}} {
6014                        append msg "
6015
6016A good replacement for $suggest_user
6017is placing values for the user.name and
6018user.email settings into your personal
6019~/.gitconfig file.
6020"
6021                }
6022                warn_popup $msg
6023        }
6024        unset ignored_env msg suggest_user name
6025}
6026
6027# -- Only initialize complex UI if we are going to stay running.
6028#
6029if {[is_enabled transport]} {
6030        load_all_remotes
6031        load_all_heads
6032
6033        populate_branch_menu
6034        populate_fetch_menu
6035        populate_push_menu
6036}
6037
6038# -- Only suggest a gc run if we are going to stay running.
6039#
6040if {[is_enabled multicommit]} {
6041        set object_limit 2000
6042        if {[is_Windows]} {set object_limit 200}
6043        regexp {^([0-9]+) objects,} [git count-objects] _junk objects_current
6044        if {$objects_current >= $object_limit} {
6045                if {[ask_popup \
6046                        "This repository currently has $objects_current loose objects.
6047
6048To maintain optimal performance it is strongly recommended that you compress the database when more than $object_limit loose objects exist.
6049
6050Compress the database now?"] eq yes} {
6051                        do_gc
6052                }
6053        }
6054        unset object_limit _junk objects_current
6055}
6056
6057lock_index begin-read
6058after 1 do_rescan