Andrew's git - gitweb.git/blob

   1#!/bin/sh
   2# Tcl ignores the next line -*- tcl -*- \
   3 if test "z$*" = zversion \
   4 || test "z$*" = z--version; \
   5 then \
   6        echo 'git-gui version @@GITGUI_VERSION@@'; \
   7        exit; \
   8 fi; \
   9 argv0=$0; \
  10 exec wish "$argv0" -- "$@"
  11
  12set appvers {@@GITGUI_VERSION@@}
  13set copyright [string map [list (c) \u00a9] {
  14Copyright (c) 2006-2010 Shawn Pearce, et. al.
  15
  16This program is free software; you can redistribute it and/or modify
  17it under the terms of the GNU General Public License as published by
  18the Free Software Foundation; either version 2 of the License, or
  19(at your option) any later version.
  20
  21This program is distributed in the hope that it will be useful,
  22but WITHOUT ANY WARRANTY; without even the implied warranty of
  23MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24GNU General Public License for more details.
  25
  26You should have received a copy of the GNU General Public License
  27along with this program; if not, write to the Free Software
  28Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}]
  29
  30######################################################################
  31##
  32## Tcl/Tk sanity check
  33
  34if {[catch {package require Tcl 8.4} err]
  35 || [catch {package require Tk  8.4} err]
  36} {
  37        catch {wm withdraw .}
  38        tk_messageBox \
  39                -icon error \
  40                -type ok \
  41                -title "git-gui: fatal error" \
  42                -message $err
  43        exit 1
  44}
  45
  46catch {rename send {}} ; # What an evil concept...
  47
  48######################################################################
  49##
  50## locate our library
  51
  52if { [info exists ::env(GIT_GUI_LIB_DIR) ] } {
  53        set oguilib $::env(GIT_GUI_LIB_DIR)
  54} else {
  55        set oguilib {@@GITGUI_LIBDIR@@}
  56}
  57set oguirel {@@GITGUI_RELATIVE@@}
  58if {$oguirel eq {1}} {
  59        set oguilib [file dirname [file normalize $argv0]]
  60        if {[file tail $oguilib] eq {git-core}} {
  61                set oguilib [file dirname $oguilib]
  62        }
  63        set oguilib [file dirname $oguilib]
  64        set oguilib [file join $oguilib share git-gui lib]
  65        set oguimsg [file join $oguilib msgs]
  66} elseif {[string match @@* $oguirel]} {
  67        set oguilib [file join [file dirname [file normalize $argv0]] lib]
  68        set oguimsg [file join [file dirname [file normalize $argv0]] po]
  69} else {
  70        set oguimsg [file join $oguilib msgs]
  71}
  72unset oguirel
  73
  74######################################################################
  75##
  76## enable verbose loading?
  77
  78if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
  79        unset _verbose
  80        rename auto_load real__auto_load
  81        proc auto_load {name args} {
  82                puts stderr "auto_load $name"
  83                return [uplevel 1 real__auto_load $name $args]
  84        }
  85        rename source real__source
  86        proc source {args} {
  87                puts stderr "source    $args"
  88                uplevel 1 [linsert $args 0 real__source]
  89        }
  90        if {[tk windowingsystem] eq "win32"} { console show }
  91}
  92
  93######################################################################
  94##
  95## Internationalization (i18n) through msgcat and gettext. See
  96## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html
  97
  98package require msgcat
  99
 100# Check for Windows 7 MUI language pack (missed by msgcat < 1.4.4)
 101if {[tk windowingsystem] eq "win32"
 102        && [package vcompare [package provide msgcat] 1.4.4] < 0
 103} then {
 104        proc _mc_update_locale {} {
 105                set key {HKEY_CURRENT_USER\Control Panel\Desktop}
 106                if {![catch {
 107                        package require registry
 108                        set uilocale [registry get $key "PreferredUILanguages"]
 109                        msgcat::ConvertLocale [string map {- _} [lindex $uilocale 0]]
 110                } uilocale]} {
 111                        if {[string length $uilocale] > 0} {
 112                                msgcat::mclocale $uilocale
 113                        }
 114                }
 115        }
 116        _mc_update_locale
 117}
 118
 119proc _mc_trim {fmt} {
 120        set cmk [string first @@ $fmt]
 121        if {$cmk > 0} {
 122                return [string range $fmt 0 [expr {$cmk - 1}]]
 123        }
 124        return $fmt
 125}
 126
 127proc mc {en_fmt args} {
 128        set fmt [_mc_trim [::msgcat::mc $en_fmt]]
 129        if {[catch {set msg [eval [list format $fmt] $args]} err]} {
 130                set msg [eval [list format [_mc_trim $en_fmt]] $args]
 131        }
 132        return $msg
 133}
 134
 135proc strcat {args} {
 136        return [join $args {}]
 137}
 138
 139::msgcat::mcload $oguimsg
 140unset oguimsg
 141
 142######################################################################
 143##
 144## On Mac, bring the current Wish process window to front
 145
 146if {[tk windowingsystem] eq "aqua"} {
 147        catch {
 148                exec osascript -e [format {
 149                        tell application "System Events"
 150                                set frontmost of processes whose unix id is %d to true
 151                        end tell
 152                } [pid]]
 153        }
 154}
 155
 156######################################################################
 157##
 158## read only globals
 159
 160set _appname {Git Gui}
 161set _gitdir {}
 162set _gitworktree {}
 163set _isbare {}
 164set _gitexec {}
 165set _githtmldir {}
 166set _reponame {}
 167set _iscygwin {}
 168set _search_path {}
 169set _shellpath {@@SHELL_PATH@@}
 170
 171set _trace [lsearch -exact $argv --trace]
 172if {$_trace >= 0} {
 173        set argv [lreplace $argv $_trace $_trace]
 174        set _trace 1
 175        if {[tk windowingsystem] eq "win32"} { console show }
 176} else {
 177        set _trace 0
 178}
 179
 180# variable for the last merged branch (useful for a default when deleting
 181# branches).
 182set _last_merged_branch {}
 183
 184proc shellpath {} {
 185        global _shellpath env
 186        if {[string match @@* $_shellpath]} {
 187                if {[info exists env(SHELL)]} {
 188                        return $env(SHELL)
 189                } else {
 190                        return /bin/sh
 191                }
 192        }
 193        return $_shellpath
 194}
 195
 196proc appname {} {
 197        global _appname
 198        return $_appname
 199}
 200
 201proc gitdir {args} {
 202        global _gitdir
 203        if {$args eq {}} {
 204                return $_gitdir
 205        }
 206        return [eval [list file join $_gitdir] $args]
 207}
 208
 209proc gitexec {args} {
 210        global _gitexec
 211        if {$_gitexec eq {}} {
 212                if {[catch {set _gitexec [git --exec-path]} err]} {
 213                        error "Git not installed?\n\n$err"
 214                }
 215                if {[is_Cygwin]} {
 216                        set _gitexec [exec cygpath \
 217                                --windows \
 218                                --absolute \
 219                                $_gitexec]
 220                } else {
 221                        set _gitexec [file normalize $_gitexec]
 222                }
 223        }
 224        if {$args eq {}} {
 225                return $_gitexec
 226        }
 227        return [eval [list file join $_gitexec] $args]
 228}
 229
 230proc githtmldir {args} {
 231        global _githtmldir
 232        if {$_githtmldir eq {}} {
 233                if {[catch {set _githtmldir [git --html-path]}]} {
 234                        # Git not installed or option not yet supported
 235                        return {}
 236                }
 237                if {[is_Cygwin]} {
 238                        set _githtmldir [exec cygpath \
 239                                --windows \
 240                                --absolute \
 241                                $_githtmldir]
 242                } else {
 243                        set _githtmldir [file normalize $_githtmldir]
 244                }
 245        }
 246        if {$args eq {}} {
 247                return $_githtmldir
 248        }
 249        return [eval [list file join $_githtmldir] $args]
 250}
 251
 252proc reponame {} {
 253        return $::_reponame
 254}
 255
 256proc is_MacOSX {} {
 257        if {[tk windowingsystem] eq {aqua}} {
 258                return 1
 259        }
 260        return 0
 261}
 262
 263proc is_Windows {} {
 264        if {$::tcl_platform(platform) eq {windows}} {
 265                return 1
 266        }
 267        return 0
 268}
 269
 270proc is_Cygwin {} {
 271        global _iscygwin
 272        if {$_iscygwin eq {}} {
 273                if {$::tcl_platform(platform) eq {windows}} {
 274                        if {[catch {set p [exec cygpath --windir]} err]} {
 275                                set _iscygwin 0
 276                        } else {
 277                                set _iscygwin 1
 278                                # Handle MSys2 which is only cygwin when MSYSTEM is MSYS.
 279                                if {[info exists ::env(MSYSTEM)] && $::env(MSYSTEM) ne "MSYS"} {
 280                                        set _iscygwin 0
 281                                }
 282                        }
 283                } else {
 284                        set _iscygwin 0
 285                }
 286        }
 287        return $_iscygwin
 288}
 289
 290proc is_enabled {option} {
 291        global enabled_options
 292        if {[catch {set on $enabled_options($option)}]} {return 0}
 293        return $on
 294}
 295
 296proc enable_option {option} {
 297        global enabled_options
 298        set enabled_options($option) 1
 299}
 300
 301proc disable_option {option} {
 302        global enabled_options
 303        set enabled_options($option) 0
 304}
 305
 306######################################################################
 307##
 308## config
 309
 310proc is_many_config {name} {
 311        switch -glob -- $name {
 312        gui.recentrepo -
 313        remote.*.fetch -
 314        remote.*.push
 315                {return 1}
 316        *
 317                {return 0}
 318        }
 319}
 320
 321proc is_config_true {name} {
 322        global repo_config
 323        if {[catch {set v $repo_config($name)}]} {
 324                return 0
 325        }
 326        set v [string tolower $v]
 327        if {$v eq {} || $v eq {true} || $v eq {1} || $v eq {yes} || $v eq {on}} {
 328                return 1
 329        } else {
 330                return 0
 331        }
 332}
 333
 334proc is_config_false {name} {
 335        global repo_config
 336        if {[catch {set v $repo_config($name)}]} {
 337                return 0
 338        }
 339        set v [string tolower $v]
 340        if {$v eq {false} || $v eq {0} || $v eq {no} || $v eq {off}} {
 341                return 1
 342        } else {
 343                return 0
 344        }
 345}
 346
 347proc get_config {name} {
 348        global repo_config
 349        if {[catch {set v $repo_config($name)}]} {
 350                return {}
 351        } else {
 352                return $v
 353        }
 354}
 355
 356proc is_bare {} {
 357        global _isbare
 358        global _gitdir
 359        global _gitworktree
 360
 361        if {$_isbare eq {}} {
 362                if {[catch {
 363                        set _bare [git rev-parse --is-bare-repository]
 364                        switch  -- $_bare {
 365                        true { set _isbare 1 }
 366                        false { set _isbare 0}
 367                        default { throw }
 368                        }
 369                }]} {
 370                        if {[is_config_true core.bare]
 371                                || ($_gitworktree eq {}
 372                                        && [lindex [file split $_gitdir] end] ne {.git})} {
 373                                set _isbare 1
 374                        } else {
 375                                set _isbare 0
 376                        }
 377                }
 378        }
 379        return $_isbare
 380}
 381
 382######################################################################
 383##
 384## handy utils
 385
 386proc _trace_exec {cmd} {
 387        if {!$::_trace} return
 388        set d {}
 389        foreach v $cmd {
 390                if {$d ne {}} {
 391                        append d { }
 392                }
 393                if {[regexp {[ \t\r\n'"$?*]} $v]} {
 394                        set v [sq $v]
 395                }
 396                append d $v
 397        }
 398        puts stderr $d
 399}
 400
 401#'"  fix poor old emacs font-lock mode
 402
 403proc _git_cmd {name} {
 404        global _git_cmd_path
 405
 406        if {[catch {set v $_git_cmd_path($name)}]} {
 407                switch -- $name {
 408                  version   -
 409                --version   -
 410                --exec-path { return [list $::_git $name] }
 411                }
 412
 413                set p [gitexec git-$name$::_search_exe]
 414                if {[file exists $p]} {
 415                        set v [list $p]
 416                } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 417                        # Try to determine what sort of magic will make
 418                        # git-$name go and do its thing, because native
 419                        # Tcl on Windows doesn't know it.
 420                        #
 421                        set p [gitexec git-$name]
 422                        set f [open $p r]
 423                        set s [gets $f]
 424                        close $f
 425
 426                        switch -glob -- [lindex $s 0] {
 427                        #!*sh     { set i sh     }
 428                        #!*perl   { set i perl   }
 429                        #!*python { set i python }
 430                        default   { error "git-$name is not supported: $s" }
 431                        }
 432
 433                        upvar #0 _$i interp
 434                        if {![info exists interp]} {
 435                                set interp [_which $i]
 436                        }
 437                        if {$interp eq {}} {
 438                                error "git-$name requires $i (not in PATH)"
 439                        }
 440                        set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 441                } else {
 442                        # Assume it is builtin to git somehow and we
 443                        # aren't actually able to see a file for it.
 444                        #
 445                        set v [list $::_git $name]
 446                }
 447                set _git_cmd_path($name) $v
 448        }
 449        return $v
 450}
 451
 452proc _which {what args} {
 453        global env _search_exe _search_path
 454
 455        if {$_search_path eq {}} {
 456                if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 457                        set _search_path [split [exec cygpath \
 458                                --windows \
 459                                --path \
 460                                --absolute \
 461                                $env(PATH)] {;}]
 462                        set _search_exe .exe
 463                } elseif {[is_Windows]} {
 464                        set gitguidir [file dirname [info script]]
 465                        regsub -all ";" $gitguidir "\\;" gitguidir
 466                        set env(PATH) "$gitguidir;$env(PATH)"
 467                        set _search_path [split $env(PATH) {;}]
 468                        set _search_exe .exe
 469                } else {
 470                        set _search_path [split $env(PATH) :]
 471                        set _search_exe {}
 472                }
 473        }
 474
 475        if {[is_Windows] && [lsearch -exact $args -script] >= 0} {
 476                set suffix {}
 477        } else {
 478                set suffix $_search_exe
 479        }
 480
 481        foreach p $_search_path {
 482                set p [file join $p $what$suffix]
 483                if {[file exists $p]} {
 484                        return [file normalize $p]
 485                }
 486        }
 487        return {}
 488}
 489
 490# Test a file for a hashbang to identify executable scripts on Windows.
 491proc is_shellscript {filename} {
 492        if {![file exists $filename]} {return 0}
 493        set f [open $filename r]
 494        fconfigure $f -encoding binary
 495        set magic [read $f 2]
 496        close $f
 497        return [expr {$magic eq "#!"}]
 498}
 499
 500# Run a command connected via pipes on stdout.
 501# This is for use with textconv filters and uses sh -c "..." to allow it to
 502# contain a command with arguments. On windows we must check for shell
 503# scripts specifically otherwise just call the filter command.
 504proc open_cmd_pipe {cmd path} {
 505        global env
 506        if {![file executable [shellpath]]} {
 507                set exe [auto_execok [lindex $cmd 0]]
 508                if {[is_shellscript [lindex $exe 0]]} {
 509                        set run [linsert [auto_execok sh] end -c "$cmd \"\$0\"" $path]
 510                } else {
 511                        set run [concat $exe [lrange $cmd 1 end] $path]
 512                }
 513        } else {
 514                set run [list [shellpath] -c "$cmd \"\$0\"" $path]
 515        }
 516        return [open |$run r]
 517}
 518
 519proc _lappend_nice {cmd_var} {
 520        global _nice
 521        upvar $cmd_var cmd
 522
 523        if {![info exists _nice]} {
 524                set _nice [_which nice]
 525                if {[catch {exec $_nice git version}]} {
 526                        set _nice {}
 527                } elseif {[is_Windows] && [file dirname $_nice] ne [file dirname $::_git]} {
 528                        set _nice {}
 529                }
 530        }
 531        if {$_nice ne {}} {
 532                lappend cmd $_nice
 533        }
 534}
 535
 536proc git {args} {
 537        set fd [eval [list git_read] $args]
 538        fconfigure $fd -translation binary -encoding utf-8
 539        set result [string trimright [read $fd] "\n"]
 540        close $fd
 541        if {$::_trace} {
 542                puts stderr "< $result"
 543        }
 544        return $result
 545}
 546
 547proc _open_stdout_stderr {cmd} {
 548        _trace_exec $cmd
 549        if {[catch {
 550                        set fd [open [concat [list | ] $cmd] r]
 551                } err]} {
 552                if {   [lindex $cmd end] eq {2>@1}
 553                    && $err eq {can not find channel named "1"}
 554                        } {
 555                        # Older versions of Tcl 8.4 don't have this 2>@1 IO
 556                        # redirect operator.  Fallback to |& cat for those.
 557                        # The command was not actually started, so its safe
 558                        # to try to start it a second time.
 559                        #
 560                        set fd [open [concat \
 561                                [list | ] \
 562                                [lrange $cmd 0 end-1] \
 563                                [list |& cat] \
 564                                ] r]
 565                } else {
 566                        error $err
 567                }
 568        }
 569        fconfigure $fd -eofchar {}
 570        return $fd
 571}
 572
 573proc git_read {args} {
 574        set opt [list]
 575
 576        while {1} {
 577                switch -- [lindex $args 0] {
 578                --nice {
 579                        _lappend_nice opt
 580                }
 581
 582                --stderr {
 583                        lappend args 2>@1
 584                }
 585
 586                default {
 587                        break
 588                }
 589
 590                }
 591
 592                set args [lrange $args 1 end]
 593        }
 594
 595        set cmdp [_git_cmd [lindex $args 0]]
 596        set args [lrange $args 1 end]
 597
 598        return [_open_stdout_stderr [concat $opt $cmdp $args]]
 599}
 600
 601proc git_write {args} {
 602        set opt [list]
 603
 604        while {1} {
 605                switch -- [lindex $args 0] {
 606                --nice {
 607                        _lappend_nice opt
 608                }
 609
 610                default {
 611                        break
 612                }
 613
 614                }
 615
 616                set args [lrange $args 1 end]
 617        }
 618
 619        set cmdp [_git_cmd [lindex $args 0]]
 620        set args [lrange $args 1 end]
 621
 622        _trace_exec [concat $opt $cmdp $args]
 623        return [open [concat [list | ] $opt $cmdp $args] w]
 624}
 625
 626proc githook_read {hook_name args} {
 627        set pchook [gitdir hooks $hook_name]
 628        lappend args 2>@1
 629
 630        # On Windows [file executable] might lie so we need to ask
 631        # the shell if the hook is executable.  Yes that's annoying.
 632        #
 633        if {[is_Windows]} {
 634                upvar #0 _sh interp
 635                if {![info exists interp]} {
 636                        set interp [_which sh]
 637                }
 638                if {$interp eq {}} {
 639                        error "hook execution requires sh (not in PATH)"
 640                }
 641
 642                set scr {if test -x "$1";then exec "$@";fi}
 643                set sh_c [list $interp -c $scr $interp $pchook]
 644                return [_open_stdout_stderr [concat $sh_c $args]]
 645        }
 646
 647        if {[file executable $pchook]} {
 648                return [_open_stdout_stderr [concat [list $pchook] $args]]
 649        }
 650
 651        return {}
 652}
 653
 654proc kill_file_process {fd} {
 655        set process [pid $fd]
 656
 657        catch {
 658                if {[is_Windows]} {
 659                        exec taskkill /pid $process
 660                } else {
 661                        exec kill $process
 662                }
 663        }
 664}
 665
 666proc gitattr {path attr default} {
 667        if {[catch {set r [git check-attr $attr -- $path]}]} {
 668                set r unspecified
 669        } else {
 670                set r [join [lrange [split $r :] 2 end] :]
 671                regsub {^ } $r {} r
 672        }
 673        if {$r eq {unspecified}} {
 674                return $default
 675        }
 676        return $r
 677}
 678
 679proc sq {value} {
 680        regsub -all ' $value "'\\''" value
 681        return "'$value'"
 682}
 683
 684proc load_current_branch {} {
 685        global current_branch is_detached
 686
 687        set fd [open [gitdir HEAD] r]
 688        if {[gets $fd ref] < 1} {
 689                set ref {}
 690        }
 691        close $fd
 692
 693        set pfx {ref: refs/heads/}
 694        set len [string length $pfx]
 695        if {[string equal -length $len $pfx $ref]} {
 696                # We're on a branch.  It might not exist.  But
 697                # HEAD looks good enough to be a branch.
 698                #
 699                set current_branch [string range $ref $len end]
 700                set is_detached 0
 701        } else {
 702                # Assume this is a detached head.
 703                #
 704                set current_branch HEAD
 705                set is_detached 1
 706        }
 707}
 708
 709auto_load tk_optionMenu
 710rename tk_optionMenu real__tkOptionMenu
 711proc tk_optionMenu {w varName args} {
 712        set m [eval real__tkOptionMenu $w $varName $args]
 713        $m configure -font font_ui
 714        $w configure -font font_ui
 715        return $m
 716}
 717
 718proc rmsel_tag {text} {
 719        $text tag conf sel \
 720                -background [$text cget -background] \
 721                -foreground [$text cget -foreground] \
 722                -borderwidth 0
 723        $text tag conf in_sel -background lightgray
 724        bind $text <Motion> break
 725        return $text
 726}
 727
 728wm withdraw .
 729set root_exists 0
 730bind . <Visibility> {
 731        bind . <Visibility> {}
 732        set root_exists 1
 733}
 734
 735if {[is_Windows]} {
 736        wm iconbitmap . -default $oguilib/git-gui.ico
 737        set ::tk::AlwaysShowSelection 1
 738        bind . <Control-F2> {console show}
 739
 740        # Spoof an X11 display for SSH
 741        if {![info exists env(DISPLAY)]} {
 742                set env(DISPLAY) :9999
 743        }
 744} else {
 745        catch {
 746                image create photo gitlogo -width 16 -height 16
 747
 748                gitlogo put #33CC33 -to  7  0  9  2
 749                gitlogo put #33CC33 -to  4  2 12  4
 750                gitlogo put #33CC33 -to  7  4  9  6
 751                gitlogo put #CC3333 -to  4  6 12  8
 752                gitlogo put gray26  -to  4  9  6 10
 753                gitlogo put gray26  -to  3 10  6 12
 754                gitlogo put gray26  -to  8  9 13 11
 755                gitlogo put gray26  -to  8 11 10 12
 756                gitlogo put gray26  -to 11 11 13 14
 757                gitlogo put gray26  -to  3 12  5 14
 758                gitlogo put gray26  -to  5 13
 759                gitlogo put gray26  -to 10 13
 760                gitlogo put gray26  -to  4 14 12 15
 761                gitlogo put gray26  -to  5 15 11 16
 762                gitlogo redither
 763
 764                image create photo gitlogo32 -width 32 -height 32
 765                gitlogo32 copy gitlogo -zoom 2 2
 766
 767                wm iconphoto . -default gitlogo gitlogo32
 768        }
 769}
 770
 771######################################################################
 772##
 773## config defaults
 774
 775set cursor_ptr arrow
 776font create font_ui
 777if {[lsearch -exact [font names] TkDefaultFont] != -1} {
 778        eval [linsert [font actual TkDefaultFont] 0 font configure font_ui]
 779        eval [linsert [font actual TkFixedFont] 0 font create font_diff]
 780} else {
 781        font create font_diff -family Courier -size 10
 782        catch {
 783                label .dummy
 784                eval font configure font_ui [font actual [.dummy cget -font]]
 785                destroy .dummy
 786        }
 787}
 788
 789font create font_uiitalic
 790font create font_uibold
 791font create font_diffbold
 792font create font_diffitalic
 793
 794foreach class {Button Checkbutton Entry Label
 795                Labelframe Listbox Message
 796                Radiobutton Spinbox Text} {
 797        option add *$class.font font_ui
 798}
 799if {![is_MacOSX]} {
 800        option add *Menu.font font_ui
 801        option add *Entry.borderWidth 1 startupFile
 802        option add *Entry.relief sunken startupFile
 803        option add *RadioButton.anchor w startupFile
 804}
 805unset class
 806
 807if {[is_Windows] || [is_MacOSX]} {
 808        option add *Menu.tearOff 0
 809}
 810
 811if {[is_MacOSX]} {
 812        set M1B M1
 813        set M1T Cmd
 814} else {
 815        set M1B Control
 816        set M1T Ctrl
 817}
 818
 819proc bind_button3 {w cmd} {
 820        bind $w <Any-Button-3> $cmd
 821        if {[is_MacOSX]} {
 822                # Mac OS X sends Button-2 on right click through three-button mouse,
 823                # or through trackpad right-clicking (two-finger touch + click).
 824                bind $w <Any-Button-2> $cmd
 825                bind $w <Control-Button-1> $cmd
 826        }
 827}
 828
 829proc apply_config {} {
 830        global repo_config font_descs
 831
 832        foreach option $font_descs {
 833                set name [lindex $option 0]
 834                set font [lindex $option 1]
 835                if {[catch {
 836                        set need_weight 1
 837                        foreach {cn cv} $repo_config(gui.$name) {
 838                                if {$cn eq {-weight}} {
 839                                        set need_weight 0
 840                                }
 841                                font configure $font $cn $cv
 842                        }
 843                        if {$need_weight} {
 844                                font configure $font -weight normal
 845                        }
 846                        } err]} {
 847                        error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 848                }
 849                foreach {cn cv} [font configure $font] {
 850                        font configure ${font}bold $cn $cv
 851                        font configure ${font}italic $cn $cv
 852                }
 853                font configure ${font}bold -weight bold
 854                font configure ${font}italic -slant italic
 855        }
 856
 857        global use_ttk NS
 858        set use_ttk 0
 859        set NS {}
 860        if {$repo_config(gui.usettk)} {
 861                set use_ttk [package vsatisfies [package provide Tk] 8.5]
 862                if {$use_ttk} {
 863                        set NS ttk
 864                        bind [winfo class .] <<ThemeChanged>> [list InitTheme]
 865                        pave_toplevel .
 866                }
 867        }
 868}
 869
 870set default_config(branch.autosetupmerge) true
 871set default_config(merge.tool) {}
 872set default_config(mergetool.keepbackup) true
 873set default_config(merge.diffstat) true
 874set default_config(merge.summary) false
 875set default_config(merge.verbosity) 2
 876set default_config(user.name) {}
 877set default_config(user.email) {}
 878
 879set default_config(gui.encoding) [encoding system]
 880set default_config(gui.matchtrackingbranch) false
 881set default_config(gui.textconv) true
 882set default_config(gui.pruneduringfetch) false
 883set default_config(gui.trustmtime) false
 884set default_config(gui.fastcopyblame) false
 885set default_config(gui.maxrecentrepo) 10
 886set default_config(gui.copyblamethreshold) 40
 887set default_config(gui.blamehistoryctx) 7
 888set default_config(gui.diffcontext) 5
 889set default_config(gui.diffopts) {}
 890set default_config(gui.commitmsgwidth) 75
 891set default_config(gui.newbranchtemplate) {}
 892set default_config(gui.spellingdictionary) {}
 893set default_config(gui.fontui) [font configure font_ui]
 894set default_config(gui.fontdiff) [font configure font_diff]
 895# TODO: this option should be added to the git-config documentation
 896set default_config(gui.maxfilesdisplayed) 5000
 897set default_config(gui.usettk) 1
 898set default_config(gui.warndetachedcommit) 1
 899set default_config(gui.tabsize) 8
 900set font_descs {
 901        {fontui   font_ui   {mc "Main Font"}}
 902        {fontdiff font_diff {mc "Diff/Console Font"}}
 903}
 904set default_config(gui.stageuntracked) ask
 905set default_config(gui.displayuntracked) true
 906
 907######################################################################
 908##
 909## find git
 910
 911set _git  [_which git]
 912if {$_git eq {}} {
 913        catch {wm withdraw .}
 914        tk_messageBox \
 915                -icon error \
 916                -type ok \
 917                -title [mc "git-gui: fatal error"] \
 918                -message [mc "Cannot find git in PATH."]
 919        exit 1
 920}
 921
 922######################################################################
 923##
 924## version check
 925
 926if {[catch {set _git_version [git --version]} err]} {
 927        catch {wm withdraw .}
 928        tk_messageBox \
 929                -icon error \
 930                -type ok \
 931                -title [mc "git-gui: fatal error"] \
 932                -message "Cannot determine Git version:
 933
 934$err
 935
 936[appname] requires Git 1.5.0 or later."
 937        exit 1
 938}
 939if {![regsub {^git version } $_git_version {} _git_version]} {
 940        catch {wm withdraw .}
 941        tk_messageBox \
 942                -icon error \
 943                -type ok \
 944                -title [mc "git-gui: fatal error"] \
 945                -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 946        exit 1
 947}
 948
 949proc get_trimmed_version {s} {
 950    set r {}
 951    foreach x [split $s -._] {
 952        if {[string is integer -strict $x]} {
 953            lappend r $x
 954        } else {
 955            break
 956        }
 957    }
 958    return [join $r .]
 959}
 960set _real_git_version $_git_version
 961set _git_version [get_trimmed_version $_git_version]
 962
 963if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 964        catch {wm withdraw .}
 965        if {[tk_messageBox \
 966                -icon warning \
 967                -type yesno \
 968                -default no \
 969                -title "[appname]: warning" \
 970                 -message [mc "Git version cannot be determined.
 971
 972%s claims it is version '%s'.
 973
 974%s requires at least Git 1.5.0 or later.
 975
 976Assume '%s' is version 1.5.0?
 977" $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 978                set _git_version 1.5.0
 979        } else {
 980                exit 1
 981        }
 982}
 983unset _real_git_version
 984
 985proc git-version {args} {
 986        global _git_version
 987
 988        switch [llength $args] {
 989        0 {
 990                return $_git_version
 991        }
 992
 993        2 {
 994                set op [lindex $args 0]
 995                set vr [lindex $args 1]
 996                set cm [package vcompare $_git_version $vr]
 997                return [expr $cm $op 0]
 998        }
 999
1000        4 {
1001                set type [lindex $args 0]
1002                set name [lindex $args 1]
1003                set parm [lindex $args 2]
1004                set body [lindex $args 3]
1005
1006                if {($type ne {proc} && $type ne {method})} {
1007                        error "Invalid arguments to git-version"
1008                }
1009                if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
1010                        error "Last arm of $type $name must be default"
1011                }
1012
1013                foreach {op vr cb} [lrange $body 0 end-2] {
1014                        if {[git-version $op $vr]} {
1015                                return [uplevel [list $type $name $parm $cb]]
1016                        }
1017                }
1018
1019                return [uplevel [list $type $name $parm [lindex $body end]]]
1020        }
1021
1022        default {
1023                error "git-version >= x"
1024        }
1025
1026        }
1027}
1028
1029if {[git-version < 1.5]} {
1030        catch {wm withdraw .}
1031        tk_messageBox \
1032                -icon error \
1033                -type ok \
1034                -title [mc "git-gui: fatal error"] \
1035                -message "[appname] requires Git 1.5.0 or later.
1036
1037You are using [git-version]:
1038
1039[git --version]"
1040        exit 1
1041}
1042
1043######################################################################
1044##
1045## configure our library
1046
1047set idx [file join $oguilib tclIndex]
1048if {[catch {set fd [open $idx r]} err]} {
1049        catch {wm withdraw .}
1050        tk_messageBox \
1051                -icon error \
1052                -type ok \
1053                -title [mc "git-gui: fatal error"] \
1054                -message $err
1055        exit 1
1056}
1057if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
1058        set idx [list]
1059        while {[gets $fd n] >= 0} {
1060                if {$n ne {} && ![string match #* $n]} {
1061                        lappend idx $n
1062                }
1063        }
1064} else {
1065        set idx {}
1066}
1067close $fd
1068
1069if {$idx ne {}} {
1070        set loaded [list]
1071        foreach p $idx {
1072                if {[lsearch -exact $loaded $p] >= 0} continue
1073                source [file join $oguilib $p]
1074                lappend loaded $p
1075        }
1076        unset loaded p
1077} else {
1078        set auto_path [concat [list $oguilib] $auto_path]
1079}
1080unset -nocomplain idx fd
1081
1082######################################################################
1083##
1084## config file parsing
1085
1086git-version proc _parse_config {arr_name args} {
1087        >= 1.5.3 {
1088                upvar $arr_name arr
1089                array unset arr
1090                set buf {}
1091                catch {
1092                        set fd_rc [eval \
1093                                [list git_read config] \
1094                                $args \
1095                                [list --null --list]]
1096                        fconfigure $fd_rc -translation binary -encoding utf-8
1097                        set buf [read $fd_rc]
1098                        close $fd_rc
1099                }
1100                foreach line [split $buf "\0"] {
1101                        if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
1102                                if {[is_many_config $name]} {
1103                                        lappend arr($name) $value
1104                                } else {
1105                                        set arr($name) $value
1106                                }
1107                        } elseif {[regexp {^([^\n]+)$} $line line name]} {
1108                                # no value given, but interpreting them as
1109                                # boolean will be handled as true
1110                                set arr($name) {}
1111                        }
1112                }
1113        }
1114        default {
1115                upvar $arr_name arr
1116                array unset arr
1117                catch {
1118                        set fd_rc [eval [list git_read config --list] $args]
1119                        while {[gets $fd_rc line] >= 0} {
1120                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
1121                                        if {[is_many_config $name]} {
1122                                                lappend arr($name) $value
1123                                        } else {
1124                                                set arr($name) $value
1125                                        }
1126                                } elseif {[regexp {^([^=]+)$} $line line name]} {
1127                                        # no value given, but interpreting them as
1128                                        # boolean will be handled as true
1129                                        set arr($name) {}
1130                                }
1131                        }
1132                        close $fd_rc
1133                }
1134        }
1135}
1136
1137proc load_config {include_global} {
1138        global repo_config global_config system_config default_config
1139
1140        if {$include_global} {
1141                _parse_config system_config --system
1142                _parse_config global_config --global
1143        }
1144        _parse_config repo_config
1145
1146        foreach name [array names default_config] {
1147                if {[catch {set v $system_config($name)}]} {
1148                        set system_config($name) $default_config($name)
1149                }
1150        }
1151        foreach name [array names system_config] {
1152                if {[catch {set v $global_config($name)}]} {
1153                        set global_config($name) $system_config($name)
1154                }
1155                if {[catch {set v $repo_config($name)}]} {
1156                        set repo_config($name) $system_config($name)
1157                }
1158        }
1159}
1160
1161######################################################################
1162##
1163## feature option selection
1164
1165if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
1166        unset _junk
1167} else {
1168        set subcommand gui
1169}
1170if {$subcommand eq {gui.sh}} {
1171        set subcommand gui
1172}
1173if {$subcommand eq {gui} && [llength $argv] > 0} {
1174        set subcommand [lindex $argv 0]
1175        set argv [lrange $argv 1 end]
1176}
1177
1178enable_option multicommit
1179enable_option branch
1180enable_option transport
1181disable_option bare
1182
1183switch -- $subcommand {
1184browser -
1185blame {
1186        enable_option bare
1187
1188        disable_option multicommit
1189        disable_option branch
1190        disable_option transport
1191}
1192citool {
1193        enable_option singlecommit
1194        enable_option retcode
1195
1196        disable_option multicommit
1197        disable_option branch
1198        disable_option transport
1199
1200        while {[llength $argv] > 0} {
1201                set a [lindex $argv 0]
1202                switch -- $a {
1203                --amend {
1204                        enable_option initialamend
1205                }
1206                --nocommit {
1207                        enable_option nocommit
1208                        enable_option nocommitmsg
1209                }
1210                --commitmsg {
1211                        disable_option nocommitmsg
1212                }
1213                default {
1214                        break
1215                }
1216                }
1217
1218                set argv [lrange $argv 1 end]
1219        }
1220}
1221}
1222
1223######################################################################
1224##
1225## execution environment
1226
1227set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
1228
1229# Suggest our implementation of askpass, if none is set
1230if {![info exists env(SSH_ASKPASS)]} {
1231        set env(SSH_ASKPASS) [gitexec git-gui--askpass]
1232}
1233
1234######################################################################
1235##
1236## repository setup
1237
1238set picked 0
1239if {[catch {
1240                set _gitdir $env(GIT_DIR)
1241                set _prefix {}
1242                }]
1243        && [catch {
1244                # beware that from the .git dir this sets _gitdir to .
1245                # and _prefix to the empty string
1246                set _gitdir [git rev-parse --git-dir]
1247                set _prefix [git rev-parse --show-prefix]
1248        } err]} {
1249        load_config 1
1250        apply_config
1251        choose_repository::pick
1252        set picked 1
1253}
1254
1255# we expand the _gitdir when it's just a single dot (i.e. when we're being
1256# run from the .git dir itself) lest the routines to find the worktree
1257# get confused
1258if {$_gitdir eq "."} {
1259        set _gitdir [pwd]
1260}
1261
1262if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1263        catch {set _gitdir [exec cygpath --windows $_gitdir]}
1264}
1265if {![file isdirectory $_gitdir]} {
1266        catch {wm withdraw .}
1267        error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1268        exit 1
1269}
1270# _gitdir exists, so try loading the config
1271load_config 0
1272apply_config
1273
1274# v1.7.0 introduced --show-toplevel to return the canonical work-tree
1275if {[package vcompare $_git_version 1.7.0] >= 0} {
1276        if { [is_Cygwin] } {
1277                catch {set _gitworktree [exec cygpath --windows [git rev-parse --show-toplevel]]}
1278        } else {
1279                set _gitworktree [git rev-parse --show-toplevel]
1280        }
1281} else {
1282        # try to set work tree from environment, core.worktree or use
1283        # cdup to obtain a relative path to the top of the worktree. If
1284        # run from the top, the ./ prefix ensures normalize expands pwd.
1285        if {[catch { set _gitworktree $env(GIT_WORK_TREE) }]} {
1286                set _gitworktree [get_config core.worktree]
1287                if {$_gitworktree eq ""} {
1288                        set _gitworktree [file normalize ./[git rev-parse --show-cdup]]
1289                }
1290        }
1291}
1292
1293if {$_prefix ne {}} {
1294        if {$_gitworktree eq {}} {
1295                regsub -all {[^/]+/} $_prefix ../ cdup
1296        } else {
1297                set cdup $_gitworktree
1298        }
1299        if {[catch {cd $cdup} err]} {
1300                catch {wm withdraw .}
1301                error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1302                exit 1
1303        }
1304        set _gitworktree [pwd]
1305        unset cdup
1306} elseif {![is_enabled bare]} {
1307        if {[is_bare]} {
1308                catch {wm withdraw .}
1309                error_popup [strcat [mc "Cannot use bare repository:"] "\n\n$_gitdir"]
1310                exit 1
1311        }
1312        if {$_gitworktree eq {}} {
1313                set _gitworktree [file dirname $_gitdir]
1314        }
1315        if {[catch {cd $_gitworktree} err]} {
1316                catch {wm withdraw .}
1317                error_popup [strcat [mc "No working directory"] " $_gitworktree:\n\n$err"]
1318                exit 1
1319        }
1320        set _gitworktree [pwd]
1321}
1322set _reponame [file split [file normalize $_gitdir]]
1323if {[lindex $_reponame end] eq {.git}} {
1324        set _reponame [lindex $_reponame end-1]
1325} else {
1326        set _reponame [lindex $_reponame end]
1327}
1328
1329set env(GIT_DIR) $_gitdir
1330set env(GIT_WORK_TREE) $_gitworktree
1331
1332######################################################################
1333##
1334## global init
1335
1336set current_diff_path {}
1337set current_diff_side {}
1338set diff_actions [list]
1339
1340set HEAD {}
1341set PARENT {}
1342set MERGE_HEAD [list]
1343set commit_type {}
1344set empty_tree {}
1345set current_branch {}
1346set is_detached 0
1347set current_diff_path {}
1348set is_3way_diff 0
1349set is_submodule_diff 0
1350set is_conflict_diff 0
1351set selected_commit_type new
1352set diff_empty_count 0
1353
1354set nullid "0000000000000000000000000000000000000000"
1355set nullid2 "0000000000000000000000000000000000000001"
1356
1357######################################################################
1358##
1359## task management
1360
1361set rescan_active 0
1362set diff_active 0
1363set last_clicked {}
1364
1365set disable_on_lock [list]
1366set index_lock_type none
1367
1368proc lock_index {type} {
1369        global index_lock_type disable_on_lock
1370
1371        if {$index_lock_type eq {none}} {
1372                set index_lock_type $type
1373                foreach w $disable_on_lock {
1374                        uplevel #0 $w disabled
1375                }
1376                return 1
1377        } elseif {$index_lock_type eq "begin-$type"} {
1378                set index_lock_type $type
1379                return 1
1380        }
1381        return 0
1382}
1383
1384proc unlock_index {} {
1385        global index_lock_type disable_on_lock
1386
1387        set index_lock_type none
1388        foreach w $disable_on_lock {
1389                uplevel #0 $w normal
1390        }
1391}
1392
1393######################################################################
1394##
1395## status
1396
1397proc repository_state {ctvar hdvar mhvar} {
1398        global current_branch
1399        upvar $ctvar ct $hdvar hd $mhvar mh
1400
1401        set mh [list]
1402
1403        load_current_branch
1404        if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1405                set hd {}
1406                set ct initial
1407                return
1408        }
1409
1410        set merge_head [gitdir MERGE_HEAD]
1411        if {[file exists $merge_head]} {
1412                set ct merge
1413                set fd_mh [open $merge_head r]
1414                while {[gets $fd_mh line] >= 0} {
1415                        lappend mh $line
1416                }
1417                close $fd_mh
1418                return
1419        }
1420
1421        set ct normal
1422}
1423
1424proc PARENT {} {
1425        global PARENT empty_tree
1426
1427        set p [lindex $PARENT 0]
1428        if {$p ne {}} {
1429                return $p
1430        }
1431        if {$empty_tree eq {}} {
1432                set empty_tree [git mktree << {}]
1433        }
1434        return $empty_tree
1435}
1436
1437proc force_amend {} {
1438        global selected_commit_type
1439        global HEAD PARENT MERGE_HEAD commit_type
1440
1441        repository_state newType newHEAD newMERGE_HEAD
1442        set HEAD $newHEAD
1443        set PARENT $newHEAD
1444        set MERGE_HEAD $newMERGE_HEAD
1445        set commit_type $newType
1446
1447        set selected_commit_type amend
1448        do_select_commit_type
1449}
1450
1451proc rescan {after {honor_trustmtime 1}} {
1452        global HEAD PARENT MERGE_HEAD commit_type
1453        global ui_index ui_workdir ui_comm
1454        global rescan_active file_states
1455        global repo_config
1456
1457        if {$rescan_active > 0 || ![lock_index read]} return
1458
1459        repository_state newType newHEAD newMERGE_HEAD
1460        if {[string match amend* $commit_type]
1461                && $newType eq {normal}
1462                && $newHEAD eq $HEAD} {
1463        } else {
1464                set HEAD $newHEAD
1465                set PARENT $newHEAD
1466                set MERGE_HEAD $newMERGE_HEAD
1467                set commit_type $newType
1468        }
1469
1470        array unset file_states
1471
1472        if {!$::GITGUI_BCK_exists &&
1473                (![$ui_comm edit modified]
1474                || [string trim [$ui_comm get 0.0 end]] eq {})} {
1475                if {[string match amend* $commit_type]} {
1476                } elseif {[load_message GITGUI_MSG utf-8]} {
1477                } elseif {[run_prepare_commit_msg_hook]} {
1478                } elseif {[load_message MERGE_MSG]} {
1479                } elseif {[load_message SQUASH_MSG]} {
1480                }
1481                $ui_comm edit reset
1482                $ui_comm edit modified false
1483        }
1484
1485        if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1486                rescan_stage2 {} $after
1487        } else {
1488                set rescan_active 1
1489                ui_status [mc "Refreshing file status..."]
1490                set fd_rf [git_read update-index \
1491                        -q \
1492                        --unmerged \
1493                        --ignore-missing \
1494                        --refresh \
1495                        ]
1496                fconfigure $fd_rf -blocking 0 -translation binary
1497                fileevent $fd_rf readable \
1498                        [list rescan_stage2 $fd_rf $after]
1499        }
1500}
1501
1502if {[is_Cygwin]} {
1503        set is_git_info_exclude {}
1504        proc have_info_exclude {} {
1505                global is_git_info_exclude
1506
1507                if {$is_git_info_exclude eq {}} {
1508                        if {[catch {exec test -f [gitdir info exclude]}]} {
1509                                set is_git_info_exclude 0
1510                        } else {
1511                                set is_git_info_exclude 1
1512                        }
1513                }
1514                return $is_git_info_exclude
1515        }
1516} else {
1517        proc have_info_exclude {} {
1518                return [file readable [gitdir info exclude]]
1519        }
1520}
1521
1522proc rescan_stage2 {fd after} {
1523        global rescan_active buf_rdi buf_rdf buf_rlo
1524
1525        if {$fd ne {}} {
1526                read $fd
1527                if {![eof $fd]} return
1528                close $fd
1529        }
1530
1531        if {[package vcompare $::_git_version 1.6.3] >= 0} {
1532                set ls_others [list --exclude-standard]
1533        } else {
1534                set ls_others [list --exclude-per-directory=.gitignore]
1535                if {[have_info_exclude]} {
1536                        lappend ls_others "--exclude-from=[gitdir info exclude]"
1537                }
1538                set user_exclude [get_config core.excludesfile]
1539                if {$user_exclude ne {} && [file readable $user_exclude]} {
1540                        lappend ls_others "--exclude-from=[file normalize $user_exclude]"
1541                }
1542        }
1543
1544        set buf_rdi {}
1545        set buf_rdf {}
1546        set buf_rlo {}
1547
1548        set rescan_active 2
1549        ui_status [mc "Scanning for modified files ..."]
1550        if {[git-version >= "1.7.2"]} {
1551                set fd_di [git_read diff-index --cached --ignore-submodules=dirty -z [PARENT]]
1552        } else {
1553                set fd_di [git_read diff-index --cached -z [PARENT]]
1554        }
1555        set fd_df [git_read diff-files -z]
1556
1557        fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1558        fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1559
1560        fileevent $fd_di readable [list read_diff_index $fd_di $after]
1561        fileevent $fd_df readable [list read_diff_files $fd_df $after]
1562
1563        if {[is_config_true gui.displayuntracked]} {
1564                set fd_lo [eval git_read ls-files --others -z $ls_others]
1565                fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1566                fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1567                incr rescan_active
1568        }
1569}
1570
1571proc load_message {file {encoding {}}} {
1572        global ui_comm
1573
1574        set f [gitdir $file]
1575        if {[file isfile $f]} {
1576                if {[catch {set fd [open $f r]}]} {
1577                        return 0
1578                }
1579                fconfigure $fd -eofchar {}
1580                if {$encoding ne {}} {
1581                        fconfigure $fd -encoding $encoding
1582                }
1583                set content [string trim [read $fd]]
1584                close $fd
1585                regsub -all -line {[ \r\t]+$} $content {} content
1586                $ui_comm delete 0.0 end
1587                $ui_comm insert end $content
1588                return 1
1589        }
1590        return 0
1591}
1592
1593proc run_prepare_commit_msg_hook {} {
1594        global pch_error
1595
1596        # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1597        # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1598        # empty file but existent file.
1599
1600        set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1601
1602        if {[file isfile [gitdir MERGE_MSG]]} {
1603                set pcm_source "merge"
1604                set fd_mm [open [gitdir MERGE_MSG] r]
1605                fconfigure $fd_mm -encoding utf-8
1606                puts -nonewline $fd_pcm [read $fd_mm]
1607                close $fd_mm
1608        } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1609                set pcm_source "squash"
1610                set fd_sm [open [gitdir SQUASH_MSG] r]
1611                fconfigure $fd_sm -encoding utf-8
1612                puts -nonewline $fd_pcm [read $fd_sm]
1613                close $fd_sm
1614        } else {
1615                set pcm_source ""
1616        }
1617
1618        close $fd_pcm
1619
1620        set fd_ph [githook_read prepare-commit-msg \
1621                        [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1622        if {$fd_ph eq {}} {
1623                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1624                return 0;
1625        }
1626
1627        ui_status [mc "Calling prepare-commit-msg hook..."]
1628        set pch_error {}
1629
1630        fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1631        fileevent $fd_ph readable \
1632                [list prepare_commit_msg_hook_wait $fd_ph]
1633
1634        return 1;
1635}
1636
1637proc prepare_commit_msg_hook_wait {fd_ph} {
1638        global pch_error
1639
1640        append pch_error [read $fd_ph]
1641        fconfigure $fd_ph -blocking 1
1642        if {[eof $fd_ph]} {
1643                if {[catch {close $fd_ph}]} {
1644                        ui_status [mc "Commit declined by prepare-commit-msg hook."]
1645                        hook_failed_popup prepare-commit-msg $pch_error
1646                        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1647                        exit 1
1648                } else {
1649                        load_message PREPARE_COMMIT_MSG
1650                }
1651                set pch_error {}
1652                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1653                return
1654        }
1655        fconfigure $fd_ph -blocking 0
1656        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1657}
1658
1659proc read_diff_index {fd after} {
1660        global buf_rdi
1661
1662        append buf_rdi [read $fd]
1663        set c 0
1664        set n [string length $buf_rdi]
1665        while {$c < $n} {
1666                set z1 [string first "\0" $buf_rdi $c]
1667                if {$z1 == -1} break
1668                incr z1
1669                set z2 [string first "\0" $buf_rdi $z1]
1670                if {$z2 == -1} break
1671
1672                incr c
1673                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1674                set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1675                merge_state \
1676                        [encoding convertfrom utf-8 $p] \
1677                        [lindex $i 4]? \
1678                        [list [lindex $i 0] [lindex $i 2]] \
1679                        [list]
1680                set c $z2
1681                incr c
1682        }
1683        if {$c < $n} {
1684                set buf_rdi [string range $buf_rdi $c end]
1685        } else {
1686                set buf_rdi {}
1687        }
1688
1689        rescan_done $fd buf_rdi $after
1690}
1691
1692proc read_diff_files {fd after} {
1693        global buf_rdf
1694
1695        append buf_rdf [read $fd]
1696        set c 0
1697        set n [string length $buf_rdf]
1698        while {$c < $n} {
1699                set z1 [string first "\0" $buf_rdf $c]
1700                if {$z1 == -1} break
1701                incr z1
1702                set z2 [string first "\0" $buf_rdf $z1]
1703                if {$z2 == -1} break
1704
1705                incr c
1706                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1707                set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1708                merge_state \
1709                        [encoding convertfrom utf-8 $p] \
1710                        ?[lindex $i 4] \
1711                        [list] \
1712                        [list [lindex $i 0] [lindex $i 2]]
1713                set c $z2
1714                incr c
1715        }
1716        if {$c < $n} {
1717                set buf_rdf [string range $buf_rdf $c end]
1718        } else {
1719                set buf_rdf {}
1720        }
1721
1722        rescan_done $fd buf_rdf $after
1723}
1724
1725proc read_ls_others {fd after} {
1726        global buf_rlo
1727
1728        append buf_rlo [read $fd]
1729        set pck [split $buf_rlo "\0"]
1730        set buf_rlo [lindex $pck end]
1731        foreach p [lrange $pck 0 end-1] {
1732                set p [encoding convertfrom utf-8 $p]
1733                if {[string index $p end] eq {/}} {
1734                        set p [string range $p 0 end-1]
1735                }
1736                merge_state $p ?O
1737        }
1738        rescan_done $fd buf_rlo $after
1739}
1740
1741proc rescan_done {fd buf after} {
1742        global rescan_active current_diff_path
1743        global file_states repo_config
1744        upvar $buf to_clear
1745
1746        if {![eof $fd]} return
1747        set to_clear {}
1748        close $fd
1749        if {[incr rescan_active -1] > 0} return
1750
1751        prune_selection
1752        unlock_index
1753        display_all_files
1754        if {$current_diff_path ne {}} { reshow_diff $after }
1755        if {$current_diff_path eq {}} { select_first_diff $after }
1756}
1757
1758proc prune_selection {} {
1759        global file_states selected_paths
1760
1761        foreach path [array names selected_paths] {
1762                if {[catch {set still_here $file_states($path)}]} {
1763                        unset selected_paths($path)
1764                }
1765        }
1766}
1767
1768######################################################################
1769##
1770## ui helpers
1771
1772proc mapicon {w state path} {
1773        global all_icons
1774
1775        if {[catch {set r $all_icons($state$w)}]} {
1776                puts "error: no icon for $w state={$state} $path"
1777                return file_plain
1778        }
1779        return $r
1780}
1781
1782proc mapdesc {state path} {
1783        global all_descs
1784
1785        if {[catch {set r $all_descs($state)}]} {
1786                puts "error: no desc for state={$state} $path"
1787                return $state
1788        }
1789        return $r
1790}
1791
1792proc ui_status {msg} {
1793        global main_status
1794        if {[info exists main_status]} {
1795                $main_status show $msg
1796        }
1797}
1798
1799proc ui_ready {{test {}}} {
1800        global main_status
1801        if {[info exists main_status]} {
1802                $main_status show [mc "Ready."] $test
1803        }
1804}
1805
1806proc escape_path {path} {
1807        regsub -all {\\} $path "\\\\" path
1808        regsub -all "\n" $path "\\n" path
1809        return $path
1810}
1811
1812proc short_path {path} {
1813        return [escape_path [lindex [file split $path] end]]
1814}
1815
1816set next_icon_id 0
1817set null_sha1 [string repeat 0 40]
1818
1819proc merge_state {path new_state {head_info {}} {index_info {}}} {
1820        global file_states next_icon_id null_sha1
1821
1822        set s0 [string index $new_state 0]
1823        set s1 [string index $new_state 1]
1824
1825        if {[catch {set info $file_states($path)}]} {
1826                set state __
1827                set icon n[incr next_icon_id]
1828        } else {
1829                set state [lindex $info 0]
1830                set icon [lindex $info 1]
1831                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1832                if {$index_info eq {}} {set index_info [lindex $info 3]}
1833        }
1834
1835        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1836        elseif {$s0 eq {_}} {set s0 _}
1837
1838        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1839        elseif {$s1 eq {_}} {set s1 _}
1840
1841        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1842                set head_info [list 0 $null_sha1]
1843        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1844                && $head_info eq {}} {
1845                set head_info $index_info
1846        } elseif {$s0 eq {_} && [string index $state 0] ne {_}} {
1847                set index_info $head_info
1848                set head_info {}
1849        }
1850
1851        set file_states($path) [list $s0$s1 $icon \
1852                $head_info $index_info \
1853                ]
1854        return $state
1855}
1856
1857proc display_file_helper {w path icon_name old_m new_m} {
1858        global file_lists
1859
1860        if {$new_m eq {_}} {
1861                set lno [lsearch -sorted -exact $file_lists($w) $path]
1862                if {$lno >= 0} {
1863                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1864                        incr lno
1865                        $w conf -state normal
1866                        $w delete $lno.0 [expr {$lno + 1}].0
1867                        $w conf -state disabled
1868                }
1869        } elseif {$old_m eq {_} && $new_m ne {_}} {
1870                lappend file_lists($w) $path
1871                set file_lists($w) [lsort -unique $file_lists($w)]
1872                set lno [lsearch -sorted -exact $file_lists($w) $path]
1873                incr lno
1874                $w conf -state normal
1875                $w image create $lno.0 \
1876                        -align center -padx 5 -pady 1 \
1877                        -name $icon_name \
1878                        -image [mapicon $w $new_m $path]
1879                $w insert $lno.1 "[escape_path $path]\n"
1880                $w conf -state disabled
1881        } elseif {$old_m ne $new_m} {
1882                $w conf -state normal
1883                $w image conf $icon_name -image [mapicon $w $new_m $path]
1884                $w conf -state disabled
1885        }
1886}
1887
1888proc display_file {path state} {
1889        global file_states selected_paths
1890        global ui_index ui_workdir
1891
1892        set old_m [merge_state $path $state]
1893        set s $file_states($path)
1894        set new_m [lindex $s 0]
1895        set icon_name [lindex $s 1]
1896
1897        set o [string index $old_m 0]
1898        set n [string index $new_m 0]
1899        if {$o eq {U}} {
1900                set o _
1901        }
1902        if {$n eq {U}} {
1903                set n _
1904        }
1905        display_file_helper     $ui_index $path $icon_name $o $n
1906
1907        if {[string index $old_m 0] eq {U}} {
1908                set o U
1909        } else {
1910                set o [string index $old_m 1]
1911        }
1912        if {[string index $new_m 0] eq {U}} {
1913                set n U
1914        } else {
1915                set n [string index $new_m 1]
1916        }
1917        display_file_helper     $ui_workdir $path $icon_name $o $n
1918
1919        if {$new_m eq {__}} {
1920                unset file_states($path)
1921                catch {unset selected_paths($path)}
1922        }
1923}
1924
1925proc display_all_files_helper {w path icon_name m} {
1926        global file_lists
1927
1928        lappend file_lists($w) $path
1929        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1930        $w image create end \
1931                -align center -padx 5 -pady 1 \
1932                -name $icon_name \
1933                -image [mapicon $w $m $path]
1934        $w insert end "[escape_path $path]\n"
1935}
1936
1937set files_warning 0
1938proc display_all_files {} {
1939        global ui_index ui_workdir
1940        global file_states file_lists
1941        global last_clicked
1942        global files_warning
1943
1944        $ui_index conf -state normal
1945        $ui_workdir conf -state normal
1946
1947        $ui_index delete 0.0 end
1948        $ui_workdir delete 0.0 end
1949        set last_clicked {}
1950
1951        set file_lists($ui_index) [list]
1952        set file_lists($ui_workdir) [list]
1953
1954        set to_display [lsort [array names file_states]]
1955        set display_limit [get_config gui.maxfilesdisplayed]
1956        set displayed 0
1957        foreach path $to_display {
1958                set s $file_states($path)
1959                set m [lindex $s 0]
1960                set icon_name [lindex $s 1]
1961
1962                if {$displayed > $display_limit && [string index $m 1] eq {O} } {
1963                        if {!$files_warning} {
1964                                # do not repeatedly warn:
1965                                set files_warning 1
1966                                info_popup [mc "Display limit (gui.maxfilesdisplayed = %s) reached, not showing all %s files." \
1967                                        $display_limit [llength $to_display]]
1968                        }
1969                        continue
1970                }
1971
1972                set s [string index $m 0]
1973                if {$s ne {U} && $s ne {_}} {
1974                        display_all_files_helper $ui_index $path \
1975                                $icon_name $s
1976                }
1977
1978                if {[string index $m 0] eq {U}} {
1979                        set s U
1980                } else {
1981                        set s [string index $m 1]
1982                }
1983                if {$s ne {_}} {
1984                        display_all_files_helper $ui_workdir $path \
1985                                $icon_name $s
1986                        incr displayed
1987                }
1988        }
1989
1990        $ui_index conf -state disabled
1991        $ui_workdir conf -state disabled
1992}
1993
1994######################################################################
1995##
1996## icons
1997
1998set filemask {
1999#define mask_width 14
2000#define mask_height 15
2001static unsigned char mask_bits[] = {
2002   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2003   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2004   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
2005}
2006
2007image create bitmap file_plain -background white -foreground black -data {
2008#define plain_width 14
2009#define plain_height 15
2010static unsigned char plain_bits[] = {
2011   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2012   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
2013   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2014} -maskdata $filemask
2015
2016image create bitmap file_mod -background white -foreground blue -data {
2017#define mod_width 14
2018#define mod_height 15
2019static unsigned char mod_bits[] = {
2020   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2021   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2022   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2023} -maskdata $filemask
2024
2025image create bitmap file_fulltick -background white -foreground "#007000" -data {
2026#define file_fulltick_width 14
2027#define file_fulltick_height 15
2028static unsigned char file_fulltick_bits[] = {
2029   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2030   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2031   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2032} -maskdata $filemask
2033
2034image create bitmap file_question -background white -foreground black -data {
2035#define file_question_width 14
2036#define file_question_height 15
2037static unsigned char file_question_bits[] = {
2038   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2039   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2040   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2041} -maskdata $filemask
2042
2043image create bitmap file_removed -background white -foreground red -data {
2044#define file_removed_width 14
2045#define file_removed_height 15
2046static unsigned char file_removed_bits[] = {
2047   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2048   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2049   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2050} -maskdata $filemask
2051
2052image create bitmap file_merge -background white -foreground blue -data {
2053#define file_merge_width 14
2054#define file_merge_height 15
2055static unsigned char file_merge_bits[] = {
2056   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2057   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2058   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2059} -maskdata $filemask
2060
2061image create bitmap file_statechange -background white -foreground green -data {
2062#define file_statechange_width 14
2063#define file_statechange_height 15
2064static unsigned char file_statechange_bits[] = {
2065   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
2066   0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
2067   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2068} -maskdata $filemask
2069
2070set ui_index .vpane.files.index.list
2071set ui_workdir .vpane.files.workdir.list
2072
2073set all_icons(_$ui_index)   file_plain
2074set all_icons(A$ui_index)   file_plain
2075set all_icons(M$ui_index)   file_fulltick
2076set all_icons(D$ui_index)   file_removed
2077set all_icons(U$ui_index)   file_merge
2078set all_icons(T$ui_index)   file_statechange
2079
2080set all_icons(_$ui_workdir) file_plain
2081set all_icons(M$ui_workdir) file_mod
2082set all_icons(D$ui_workdir) file_question
2083set all_icons(U$ui_workdir) file_merge
2084set all_icons(O$ui_workdir) file_plain
2085set all_icons(T$ui_workdir) file_statechange
2086
2087set max_status_desc 0
2088foreach i {
2089                {__ {mc "Unmodified"}}
2090
2091                {_M {mc "Modified, not staged"}}
2092                {M_ {mc "Staged for commit"}}
2093                {MM {mc "Portions staged for commit"}}
2094                {MD {mc "Staged for commit, missing"}}
2095
2096                {_T {mc "File type changed, not staged"}}
2097                {MT {mc "File type changed, old type staged for commit"}}
2098                {AT {mc "File type changed, old type staged for commit"}}
2099                {T_ {mc "File type changed, staged"}}
2100                {TM {mc "File type change staged, modification not staged"}}
2101                {TD {mc "File type change staged, file missing"}}
2102
2103                {_O {mc "Untracked, not staged"}}
2104                {A_ {mc "Staged for commit"}}
2105                {AM {mc "Portions staged for commit"}}
2106                {AD {mc "Staged for commit, missing"}}
2107
2108                {_D {mc "Missing"}}
2109                {D_ {mc "Staged for removal"}}
2110                {DO {mc "Staged for removal, still present"}}
2111
2112                {_U {mc "Requires merge resolution"}}
2113                {U_ {mc "Requires merge resolution"}}
2114                {UU {mc "Requires merge resolution"}}
2115                {UM {mc "Requires merge resolution"}}
2116                {UD {mc "Requires merge resolution"}}
2117                {UT {mc "Requires merge resolution"}}
2118        } {
2119        set text [eval [lindex $i 1]]
2120        if {$max_status_desc < [string length $text]} {
2121                set max_status_desc [string length $text]
2122        }
2123        set all_descs([lindex $i 0]) $text
2124}
2125unset i
2126
2127######################################################################
2128##
2129## util
2130
2131proc scrollbar2many {list mode args} {
2132        foreach w $list {eval $w $mode $args}
2133}
2134
2135proc many2scrollbar {list mode sb top bottom} {
2136        $sb set $top $bottom
2137        foreach w $list {$w $mode moveto $top}
2138}
2139
2140proc incr_font_size {font {amt 1}} {
2141        set sz [font configure $font -size]
2142        incr sz $amt
2143        font configure $font -size $sz
2144        font configure ${font}bold -size $sz
2145        font configure ${font}italic -size $sz
2146}
2147
2148######################################################################
2149##
2150## ui commands
2151
2152set starting_gitk_msg [mc "Starting gitk... please wait..."]
2153
2154proc do_gitk {revs {is_submodule false}} {
2155        global current_diff_path file_states current_diff_side ui_index
2156        global _gitdir _gitworktree
2157
2158        # -- Always start gitk through whatever we were loaded with.  This
2159        #    lets us bypass using shell process on Windows systems.
2160        #
2161        set exe [_which gitk -script]
2162        set cmd [list [info nameofexecutable] $exe]
2163        if {$exe eq {}} {
2164                error_popup [mc "Couldn't find gitk in PATH"]
2165        } else {
2166                global env
2167
2168                set pwd [pwd]
2169
2170                if {!$is_submodule} {
2171                        if {![is_bare]} {
2172                                cd $_gitworktree
2173                        }
2174                } else {
2175                        cd $current_diff_path
2176                        if {$revs eq {--}} {
2177                                set s $file_states($current_diff_path)
2178                                set old_sha1 {}
2179                                set new_sha1 {}
2180                                switch -glob -- [lindex $s 0] {
2181                                M_ { set old_sha1 [lindex [lindex $s 2] 1] }
2182                                _M { set old_sha1 [lindex [lindex $s 3] 1] }
2183                                MM {
2184                                        if {$current_diff_side eq $ui_index} {
2185                                                set old_sha1 [lindex [lindex $s 2] 1]
2186                                                set new_sha1 [lindex [lindex $s 3] 1]
2187                                        } else {
2188                                                set old_sha1 [lindex [lindex $s 3] 1]
2189                                        }
2190                                }
2191                                }
2192                                set revs $old_sha1...$new_sha1
2193                        }
2194                        # GIT_DIR and GIT_WORK_TREE for the submodule are not the ones
2195                        # we've been using for the main repository, so unset them.
2196                        # TODO we could make life easier (start up faster?) for gitk
2197                        # by setting these to the appropriate values to allow gitk
2198                        # to skip the heuristics to find their proper value
2199                        unset env(GIT_DIR)
2200                        unset env(GIT_WORK_TREE)
2201                }
2202                eval exec $cmd $revs "--" "--" &
2203
2204                set env(GIT_DIR) $_gitdir
2205                set env(GIT_WORK_TREE) $_gitworktree
2206                cd $pwd
2207
2208                ui_status $::starting_gitk_msg
2209                after 10000 {
2210                        ui_ready $starting_gitk_msg
2211                }
2212        }
2213}
2214
2215proc do_git_gui {} {
2216        global current_diff_path
2217
2218        # -- Always start git gui through whatever we were loaded with.  This
2219        #    lets us bypass using shell process on Windows systems.
2220        #
2221        set exe [list [_which git]]
2222        if {$exe eq {}} {
2223                error_popup [mc "Couldn't find git gui in PATH"]
2224        } else {
2225                global env
2226                global _gitdir _gitworktree
2227
2228                # see note in do_gitk about unsetting these vars when
2229                # running tools in a submodule
2230                unset env(GIT_DIR)
2231                unset env(GIT_WORK_TREE)
2232
2233                set pwd [pwd]
2234                cd $current_diff_path
2235
2236                eval exec $exe gui &
2237
2238                set env(GIT_DIR) $_gitdir
2239                set env(GIT_WORK_TREE) $_gitworktree
2240                cd $pwd
2241
2242                ui_status $::starting_gitk_msg
2243                after 10000 {
2244                        ui_ready $starting_gitk_msg
2245                }
2246        }
2247}
2248
2249proc do_explore {} {
2250        global _gitworktree
2251        set explorer {}
2252        if {[is_Cygwin] || [is_Windows]} {
2253                set explorer "explorer.exe"
2254        } elseif {[is_MacOSX]} {
2255                set explorer "open"
2256        } else {
2257                # freedesktop.org-conforming system is our best shot
2258                set explorer "xdg-open"
2259        }
2260        eval exec $explorer [list [file nativename $_gitworktree]] &
2261}
2262
2263set is_quitting 0
2264set ret_code    1
2265
2266proc terminate_me {win} {
2267        global ret_code
2268        if {$win ne {.}} return
2269        exit $ret_code
2270}
2271
2272proc do_quit {{rc {1}}} {
2273        global ui_comm is_quitting repo_config commit_type
2274        global GITGUI_BCK_exists GITGUI_BCK_i
2275        global ui_comm_spell
2276        global ret_code use_ttk
2277
2278        if {$is_quitting} return
2279        set is_quitting 1
2280
2281        if {[winfo exists $ui_comm]} {
2282                # -- Stash our current commit buffer.
2283                #
2284                set save [gitdir GITGUI_MSG]
2285                if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
2286                        file rename -force [gitdir GITGUI_BCK] $save
2287                        set GITGUI_BCK_exists 0
2288                } else {
2289                        set msg [string trim [$ui_comm get 0.0 end]]
2290                        regsub -all -line {[ \r\t]+$} $msg {} msg
2291                        if {(![string match amend* $commit_type]
2292                                || [$ui_comm edit modified])
2293                                && $msg ne {}} {
2294                                catch {
2295                                        set fd [open $save w]
2296                                        fconfigure $fd -encoding utf-8
2297                                        puts -nonewline $fd $msg
2298                                        close $fd
2299                                }
2300                        } else {
2301                                catch {file delete $save}
2302                        }
2303                }
2304
2305                # -- Cancel our spellchecker if its running.
2306                #
2307                if {[info exists ui_comm_spell]} {
2308                        $ui_comm_spell stop
2309                }
2310
2311                # -- Remove our editor backup, its not needed.
2312                #
2313                after cancel $GITGUI_BCK_i
2314                if {$GITGUI_BCK_exists} {
2315                        catch {file delete [gitdir GITGUI_BCK]}
2316                }
2317
2318                # -- Stash our current window geometry into this repository.
2319                #
2320                set cfg_wmstate [wm state .]
2321                if {[catch {set rc_wmstate $repo_config(gui.wmstate)}]} {
2322                        set rc_wmstate {}
2323                }
2324                if {$cfg_wmstate ne $rc_wmstate} {
2325                        catch {git config gui.wmstate $cfg_wmstate}
2326                }
2327                if {$cfg_wmstate eq {zoomed}} {
2328                        # on Windows wm geometry will lie about window
2329                        # position (but not size) when window is zoomed
2330                        # restore the window before querying wm geometry
2331                        wm state . normal
2332                }
2333                set cfg_geometry [list]
2334                lappend cfg_geometry [wm geometry .]
2335                if {$use_ttk} {
2336                        lappend cfg_geometry [.vpane sashpos 0]
2337                        lappend cfg_geometry [.vpane.files sashpos 0]
2338                } else {
2339                        lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
2340                        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
2341                }
2342                if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2343                        set rc_geometry {}
2344                }
2345                if {$cfg_geometry ne $rc_geometry} {
2346                        catch {git config gui.geometry $cfg_geometry}
2347                }
2348        }
2349
2350        set ret_code $rc
2351
2352        # Briefly enable send again, working around Tk bug
2353        # http://sourceforge.net/tracker/?func=detail&atid=112997&aid=1821174&group_id=12997
2354        tk appname [appname]
2355
2356        destroy .
2357}
2358
2359proc do_rescan {} {
2360        rescan ui_ready
2361}
2362
2363proc ui_do_rescan {} {
2364        rescan {force_first_diff ui_ready}
2365}
2366
2367proc do_commit {} {
2368        commit_tree
2369}
2370
2371proc next_diff {{after {}}} {
2372        global next_diff_p next_diff_w next_diff_i
2373        show_diff $next_diff_p $next_diff_w {} {} $after
2374}
2375
2376proc find_anchor_pos {lst name} {
2377        set lid [lsearch -sorted -exact $lst $name]
2378
2379        if {$lid == -1} {
2380                set lid 0
2381                foreach lname $lst {
2382                        if {$lname >= $name} break
2383                        incr lid
2384                }
2385        }
2386
2387        return $lid
2388}
2389
2390proc find_file_from {flist idx delta path mmask} {
2391        global file_states
2392
2393        set len [llength $flist]
2394        while {$idx >= 0 && $idx < $len} {
2395                set name [lindex $flist $idx]
2396
2397                if {$name ne $path && [info exists file_states($name)]} {
2398                        set state [lindex $file_states($name) 0]
2399
2400                        if {$mmask eq {} || [regexp $mmask $state]} {
2401                                return $idx
2402                        }
2403                }
2404
2405                incr idx $delta
2406        }
2407
2408        return {}
2409}
2410
2411proc find_next_diff {w path {lno {}} {mmask {}}} {
2412        global next_diff_p next_diff_w next_diff_i
2413        global file_lists ui_index ui_workdir
2414
2415        set flist $file_lists($w)
2416        if {$lno eq {}} {
2417                set lno [find_anchor_pos $flist $path]
2418        } else {
2419                incr lno -1
2420        }
2421
2422        if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2423                if {$w eq $ui_index} {
2424                        set mmask "^$mmask"
2425                } else {
2426                        set mmask "$mmask\$"
2427                }
2428        }
2429
2430        set idx [find_file_from $flist $lno 1 $path $mmask]
2431        if {$idx eq {}} {
2432                incr lno -1
2433                set idx [find_file_from $flist $lno -1 $path $mmask]
2434        }
2435
2436        if {$idx ne {}} {
2437                set next_diff_w $w
2438                set next_diff_p [lindex $flist $idx]
2439                set next_diff_i [expr {$idx+1}]
2440                return 1
2441        } else {
2442                return 0
2443        }
2444}
2445
2446proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2447        global current_diff_path
2448
2449        if {$path ne $current_diff_path} {
2450                return {}
2451        } elseif {[find_next_diff $w $path $lno $mmask]} {
2452                return {next_diff;}
2453        } else {
2454                return {reshow_diff;}
2455        }
2456}
2457
2458proc select_first_diff {after} {
2459        global ui_workdir
2460
2461        if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2462            [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2463                next_diff $after
2464        } else {
2465                uplevel #0 $after
2466        }
2467}
2468
2469proc force_first_diff {after} {
2470        global ui_workdir current_diff_path file_states
2471
2472        if {[info exists file_states($current_diff_path)]} {
2473                set state [lindex $file_states($current_diff_path) 0]
2474        } else {
2475                set state {OO}
2476        }
2477
2478        set reselect 0
2479        if {[string first {U} $state] >= 0} {
2480                # Already a conflict, do nothing
2481        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {^_?U}]} {
2482                set reselect 1
2483        } elseif {[string index $state 1] ne {O}} {
2484                # Already a diff & no conflicts, do nothing
2485        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {[^O]$}]} {
2486                set reselect 1
2487        }
2488
2489        if {$reselect} {
2490                next_diff $after
2491        } else {
2492                uplevel #0 $after
2493        }
2494}
2495
2496proc toggle_or_diff {mode w args} {
2497        global file_states file_lists current_diff_path ui_index ui_workdir
2498        global last_clicked selected_paths
2499
2500        if {$mode eq "click"} {
2501                foreach {x y} $args break
2502                set pos [split [$w index @$x,$y] .]
2503                foreach {lno col} $pos break
2504        } else {
2505                if {$last_clicked ne {}} {
2506                        set lno [lindex $last_clicked 1]
2507                } else {
2508                        if {[llength $file_lists($w)] == 0} {
2509                                set last_clicked {}
2510                                return
2511                        }
2512                        set lno [expr {int([lindex [$w tag ranges in_diff] 0])}]
2513                }
2514                if {$mode eq "toggle"} {
2515                        set col 0; set y 2
2516                } else {
2517                        incr lno [expr {$mode eq "up" ? -1 : 1}]
2518                        set col 1
2519                }
2520        }
2521
2522        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2523        if {$path eq {}} {
2524                set last_clicked {}
2525                return
2526        }
2527
2528        set last_clicked [list $w $lno]
2529        focus $w
2530        array unset selected_paths
2531        $ui_index tag remove in_sel 0.0 end
2532        $ui_workdir tag remove in_sel 0.0 end
2533
2534        # Determine the state of the file
2535        if {[info exists file_states($path)]} {
2536                set state [lindex $file_states($path) 0]
2537        } else {
2538                set state {__}
2539        }
2540
2541        # Restage the file, or simply show the diff
2542        if {$col == 0 && $y > 1} {
2543                # Conflicts need special handling
2544                if {[string first {U} $state] >= 0} {
2545                        # $w must always be $ui_workdir, but...
2546                        if {$w ne $ui_workdir} { set lno {} }
2547                        merge_stage_workdir $path $lno
2548                        return
2549                }
2550
2551                if {[string index $state 1] eq {O}} {
2552                        set mmask {}
2553                } else {
2554                        set mmask {[^O]}
2555                }
2556
2557                set after [next_diff_after_action $w $path $lno $mmask]
2558
2559                if {$w eq $ui_index} {
2560                        update_indexinfo \
2561                                "Unstaging [short_path $path] from commit" \
2562                                [list $path] \
2563                                [concat $after [list ui_ready]]
2564                } elseif {$w eq $ui_workdir} {
2565                        update_index \
2566                                "Adding [short_path $path]" \
2567                                [list $path] \
2568                                [concat $after [list ui_ready]]
2569                }
2570        } else {
2571                set selected_paths($path) 1
2572                show_diff $path $w $lno
2573        }
2574}
2575
2576proc add_one_to_selection {w x y} {
2577        global file_lists last_clicked selected_paths
2578
2579        set lno [lindex [split [$w index @$x,$y] .] 0]
2580        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2581        if {$path eq {}} {
2582                set last_clicked {}
2583                return
2584        }
2585
2586        if {$last_clicked ne {}
2587                && [lindex $last_clicked 0] ne $w} {
2588                array unset selected_paths
2589                [lindex $last_clicked 0] tag remove in_sel 0.0 end
2590        }
2591
2592        set last_clicked [list $w $lno]
2593        if {[catch {set in_sel $selected_paths($path)}]} {
2594                set in_sel 0
2595        }
2596        if {$in_sel} {
2597                unset selected_paths($path)
2598                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2599        } else {
2600                set selected_paths($path) 1
2601                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2602        }
2603}
2604
2605proc add_range_to_selection {w x y} {
2606        global file_lists last_clicked selected_paths
2607
2608        if {[lindex $last_clicked 0] ne $w} {
2609                toggle_or_diff click $w $x $y
2610                return
2611        }
2612
2613        set lno [lindex [split [$w index @$x,$y] .] 0]
2614        set lc [lindex $last_clicked 1]
2615        if {$lc < $lno} {
2616                set begin $lc
2617                set end $lno
2618        } else {
2619                set begin $lno
2620                set end $lc
2621        }
2622
2623        foreach path [lrange $file_lists($w) \
2624                [expr {$begin - 1}] \
2625                [expr {$end - 1}]] {
2626                set selected_paths($path) 1
2627        }
2628        $w tag add in_sel $begin.0 [expr {$end + 1}].0
2629}
2630
2631proc show_more_context {} {
2632        global repo_config
2633        if {$repo_config(gui.diffcontext) < 99} {
2634                incr repo_config(gui.diffcontext)
2635                reshow_diff
2636        }
2637}
2638
2639proc show_less_context {} {
2640        global repo_config
2641        if {$repo_config(gui.diffcontext) > 1} {
2642                incr repo_config(gui.diffcontext) -1
2643                reshow_diff
2644        }
2645}
2646
2647######################################################################
2648##
2649## ui construction
2650
2651set ui_comm {}
2652
2653# -- Menu Bar
2654#
2655menu .mbar -tearoff 0
2656if {[is_MacOSX]} {
2657        # -- Apple Menu (Mac OS X only)
2658        #
2659        .mbar add cascade -label Apple -menu .mbar.apple
2660        menu .mbar.apple
2661}
2662.mbar add cascade -label [mc Repository] -menu .mbar.repository
2663.mbar add cascade -label [mc Edit] -menu .mbar.edit
2664if {[is_enabled branch]} {
2665        .mbar add cascade -label [mc Branch] -menu .mbar.branch
2666}
2667if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2668        .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2669}
2670if {[is_enabled transport]} {
2671        .mbar add cascade -label [mc Merge] -menu .mbar.merge
2672        .mbar add cascade -label [mc Remote] -menu .mbar.remote
2673}
2674if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2675        .mbar add cascade -label [mc Tools] -menu .mbar.tools
2676}
2677
2678# -- Repository Menu
2679#
2680menu .mbar.repository
2681
2682if {![is_bare]} {
2683        .mbar.repository add command \
2684                -label [mc "Explore Working Copy"] \
2685                -command {do_explore}
2686}
2687
2688if {[is_Windows]} {
2689        .mbar.repository add command \
2690                -label [mc "Git Bash"] \
2691                -command {eval exec [auto_execok start] \
2692                                          [list "Git Bash" bash --login -l &]}
2693}
2694
2695if {[is_Windows] || ![is_bare]} {
2696        .mbar.repository add separator
2697}
2698
2699.mbar.repository add command \
2700        -label [mc "Browse Current Branch's Files"] \
2701        -command {browser::new $current_branch}
2702set ui_browse_current [.mbar.repository index last]
2703.mbar.repository add command \
2704        -label [mc "Browse Branch Files..."] \
2705        -command browser_open::dialog
2706.mbar.repository add separator
2707
2708.mbar.repository add command \
2709        -label [mc "Visualize Current Branch's History"] \
2710        -command {do_gitk $current_branch}
2711set ui_visualize_current [.mbar.repository index last]
2712.mbar.repository add command \
2713        -label [mc "Visualize All Branch History"] \
2714        -command {do_gitk --all}
2715.mbar.repository add separator
2716
2717proc current_branch_write {args} {
2718        global current_branch
2719        .mbar.repository entryconf $::ui_browse_current \
2720                -label [mc "Browse %s's Files" $current_branch]
2721        .mbar.repository entryconf $::ui_visualize_current \
2722                -label [mc "Visualize %s's History" $current_branch]
2723}
2724trace add variable current_branch write current_branch_write
2725
2726if {[is_enabled multicommit]} {
2727        .mbar.repository add command -label [mc "Database Statistics"] \
2728                -command do_stats
2729
2730        .mbar.repository add command -label [mc "Compress Database"] \
2731                -command do_gc
2732
2733        .mbar.repository add command -label [mc "Verify Database"] \
2734                -command do_fsck_objects
2735
2736        .mbar.repository add separator
2737
2738        if {[is_Cygwin]} {
2739                .mbar.repository add command \
2740                        -label [mc "Create Desktop Icon"] \
2741                        -command do_cygwin_shortcut
2742        } elseif {[is_Windows]} {
2743                .mbar.repository add command \
2744                        -label [mc "Create Desktop Icon"] \
2745                        -command do_windows_shortcut
2746        } elseif {[is_MacOSX]} {
2747                .mbar.repository add command \
2748                        -label [mc "Create Desktop Icon"] \
2749                        -command do_macosx_app
2750        }
2751}
2752
2753if {[is_MacOSX]} {
2754        proc ::tk::mac::Quit {args} { do_quit }
2755} else {
2756        .mbar.repository add command -label [mc Quit] \
2757                -command do_quit \
2758                -accelerator $M1T-Q
2759}
2760
2761# -- Edit Menu
2762#
2763menu .mbar.edit
2764.mbar.edit add command -label [mc Undo] \
2765        -command {catch {[focus] edit undo}} \
2766        -accelerator $M1T-Z
2767.mbar.edit add command -label [mc Redo] \
2768        -command {catch {[focus] edit redo}} \
2769        -accelerator $M1T-Y
2770.mbar.edit add separator
2771.mbar.edit add command -label [mc Cut] \
2772        -command {catch {tk_textCut [focus]}} \
2773        -accelerator $M1T-X
2774.mbar.edit add command -label [mc Copy] \
2775        -command {catch {tk_textCopy [focus]}} \
2776        -accelerator $M1T-C
2777.mbar.edit add command -label [mc Paste] \
2778        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2779        -accelerator $M1T-V
2780.mbar.edit add command -label [mc Delete] \
2781        -command {catch {[focus] delete sel.first sel.last}} \
2782        -accelerator Del
2783.mbar.edit add separator
2784.mbar.edit add command -label [mc "Select All"] \
2785        -command {catch {[focus] tag add sel 0.0 end}} \
2786        -accelerator $M1T-A
2787
2788# -- Branch Menu
2789#
2790if {[is_enabled branch]} {
2791        menu .mbar.branch
2792
2793        .mbar.branch add command -label [mc "Create..."] \
2794                -command branch_create::dialog \
2795                -accelerator $M1T-N
2796        lappend disable_on_lock [list .mbar.branch entryconf \
2797                [.mbar.branch index last] -state]
2798
2799        .mbar.branch add command -label [mc "Checkout..."] \
2800                -command branch_checkout::dialog \
2801                -accelerator $M1T-O
2802        lappend disable_on_lock [list .mbar.branch entryconf \
2803                [.mbar.branch index last] -state]
2804
2805        .mbar.branch add command -label [mc "Rename..."] \
2806                -command branch_rename::dialog
2807        lappend disable_on_lock [list .mbar.branch entryconf \
2808                [.mbar.branch index last] -state]
2809
2810        .mbar.branch add command -label [mc "Delete..."] \
2811                -command branch_delete::dialog
2812        lappend disable_on_lock [list .mbar.branch entryconf \
2813                [.mbar.branch index last] -state]
2814
2815        .mbar.branch add command -label [mc "Reset..."] \
2816                -command merge::reset_hard
2817        lappend disable_on_lock [list .mbar.branch entryconf \
2818                [.mbar.branch index last] -state]
2819}
2820
2821# -- Commit Menu
2822#
2823proc commit_btn_caption {} {
2824        if {[is_enabled nocommit]} {
2825                return [mc "Done"]
2826        } else {
2827                return [mc Commit@@verb]
2828        }
2829}
2830
2831if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2832        menu .mbar.commit
2833
2834        if {![is_enabled nocommit]} {
2835                .mbar.commit add radiobutton \
2836                        -label [mc "New Commit"] \
2837                        -command do_select_commit_type \
2838                        -variable selected_commit_type \
2839                        -value new
2840                lappend disable_on_lock \
2841                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2842
2843                .mbar.commit add radiobutton \
2844                        -label [mc "Amend Last Commit"] \
2845                        -command do_select_commit_type \
2846                        -variable selected_commit_type \
2847                        -value amend
2848                lappend disable_on_lock \
2849                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2850
2851                .mbar.commit add separator
2852        }
2853
2854        .mbar.commit add command -label [mc Rescan] \
2855                -command ui_do_rescan \
2856                -accelerator F5
2857        lappend disable_on_lock \
2858                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2859
2860        .mbar.commit add command -label [mc "Stage To Commit"] \
2861                -command do_add_selection \
2862                -accelerator $M1T-T
2863        lappend disable_on_lock \
2864                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2865
2866        .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2867                -command do_add_all \
2868                -accelerator $M1T-I
2869        lappend disable_on_lock \
2870                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2871
2872        .mbar.commit add command -label [mc "Unstage From Commit"] \
2873                -command do_unstage_selection \
2874                -accelerator $M1T-U
2875        lappend disable_on_lock \
2876                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2877
2878        .mbar.commit add command -label [mc "Revert Changes"] \
2879                -command do_revert_selection \
2880                -accelerator $M1T-J
2881        lappend disable_on_lock \
2882                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2883
2884        .mbar.commit add separator
2885
2886        .mbar.commit add command -label [mc "Show Less Context"] \
2887                -command show_less_context \
2888                -accelerator $M1T-\-
2889
2890        .mbar.commit add command -label [mc "Show More Context"] \
2891                -command show_more_context \
2892                -accelerator $M1T-=
2893
2894        .mbar.commit add separator
2895
2896        if {![is_enabled nocommitmsg]} {
2897                .mbar.commit add command -label [mc "Sign Off"] \
2898                        -command do_signoff \
2899                        -accelerator $M1T-S
2900        }
2901
2902        .mbar.commit add command -label [commit_btn_caption] \
2903                -command do_commit \
2904                -accelerator $M1T-Return
2905        lappend disable_on_lock \
2906                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2907}
2908
2909# -- Merge Menu
2910#
2911if {[is_enabled branch]} {
2912        menu .mbar.merge
2913        .mbar.merge add command -label [mc "Local Merge..."] \
2914                -command merge::dialog \
2915                -accelerator $M1T-M
2916        lappend disable_on_lock \
2917                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2918        .mbar.merge add command -label [mc "Abort Merge..."] \
2919                -command merge::reset_hard
2920        lappend disable_on_lock \
2921                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2922}
2923
2924# -- Transport Menu
2925#
2926if {[is_enabled transport]} {
2927        menu .mbar.remote
2928
2929        .mbar.remote add command \
2930                -label [mc "Add..."] \
2931                -command remote_add::dialog \
2932                -accelerator $M1T-A
2933        .mbar.remote add command \
2934                -label [mc "Push..."] \
2935                -command do_push_anywhere \
2936                -accelerator $M1T-P
2937        .mbar.remote add command \
2938                -label [mc "Delete Branch..."] \
2939                -command remote_branch_delete::dialog
2940}
2941
2942if {[is_MacOSX]} {
2943        proc ::tk::mac::ShowPreferences {} {do_options}
2944} else {
2945        # -- Edit Menu
2946        #
2947        .mbar.edit add separator
2948        .mbar.edit add command -label [mc "Options..."] \
2949                -command do_options
2950}
2951
2952# -- Tools Menu
2953#
2954if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2955        set tools_menubar .mbar.tools
2956        menu $tools_menubar
2957        $tools_menubar add separator
2958        $tools_menubar add command -label [mc "Add..."] -command tools_add::dialog
2959        $tools_menubar add command -label [mc "Remove..."] -command tools_remove::dialog
2960        set tools_tailcnt 3
2961        if {[array names repo_config guitool.*.cmd] ne {}} {
2962                tools_populate_all
2963        }
2964}
2965
2966# -- Help Menu
2967#
2968.mbar add cascade -label [mc Help] -menu .mbar.help
2969menu .mbar.help
2970
2971if {[is_MacOSX]} {
2972        .mbar.apple add command -label [mc "About %s" [appname]] \
2973                -command do_about
2974        .mbar.apple add separator
2975} else {
2976        .mbar.help add command -label [mc "About %s" [appname]] \
2977                -command do_about
2978}
2979. configure -menu .mbar
2980
2981set doc_path [githtmldir]
2982if {$doc_path ne {}} {
2983        set doc_path [file join $doc_path index.html]
2984
2985        if {[is_Cygwin]} {
2986                set doc_path [exec cygpath --mixed $doc_path]
2987        }
2988}
2989
2990if {[file isfile $doc_path]} {
2991        set doc_url "file:$doc_path"
2992} else {
2993        set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2994}
2995
2996proc start_browser {url} {
2997        git "web--browse" $url
2998}
2999
3000.mbar.help add command -label [mc "Online Documentation"] \
3001        -command [list start_browser $doc_url]
3002
3003.mbar.help add command -label [mc "Show SSH Key"] \
3004        -command do_ssh_key
3005
3006unset doc_path doc_url
3007
3008# -- Standard bindings
3009#
3010wm protocol . WM_DELETE_WINDOW do_quit
3011bind all <$M1B-Key-q> do_quit
3012bind all <$M1B-Key-Q> do_quit
3013bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
3014bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
3015
3016set subcommand_args {}
3017proc usage {} {
3018        set s "[mc usage:] $::argv0 $::subcommand $::subcommand_args"
3019        if {[tk windowingsystem] eq "win32"} {
3020                wm withdraw .
3021                tk_messageBox -icon info -message $s \
3022                        -title [mc "Usage"]
3023        } else {
3024                puts stderr $s
3025        }
3026        exit 1
3027}
3028
3029proc normalize_relpath {path} {
3030        set elements {}
3031        foreach item [file split $path] {
3032                if {$item eq {.}} continue
3033                if {$item eq {..} && [llength $elements] > 0
3034                    && [lindex $elements end] ne {..}} {
3035                        set elements [lrange $elements 0 end-1]
3036                        continue
3037                }
3038                lappend elements $item
3039        }
3040        return [eval file join $elements]
3041}
3042
3043# -- Not a normal commit type invocation?  Do that instead!
3044#
3045switch -- $subcommand {
3046browser -
3047blame {
3048        if {$subcommand eq "blame"} {
3049                set subcommand_args {[--line=<num>] rev? path}
3050        } else {
3051                set subcommand_args {rev? path}
3052        }
3053        if {$argv eq {}} usage
3054        set head {}
3055        set path {}
3056        set jump_spec {}
3057        set is_path 0
3058        foreach a $argv {
3059                set p [file join $_prefix $a]
3060
3061                if {$is_path || [file exists $p]} {
3062                        if {$path ne {}} usage
3063                        set path [normalize_relpath $p]
3064                        break
3065                } elseif {$a eq {--}} {
3066                        if {$path ne {}} {
3067                                if {$head ne {}} usage
3068                                set head $path
3069                                set path {}
3070                        }
3071                        set is_path 1
3072                } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
3073                        if {$jump_spec ne {} || $head ne {}} usage
3074                        set jump_spec [list $lnum]
3075                } elseif {$head eq {}} {
3076                        if {$head ne {}} usage
3077                        set head $a
3078                        set is_path 1
3079                } else {
3080                        usage
3081                }
3082        }
3083        unset is_path
3084
3085        if {$head ne {} && $path eq {}} {
3086                if {[string index $head 0] eq {/}} {
3087                        set path [normalize_relpath $head]
3088                        set head {}
3089                } else {
3090                        set path [normalize_relpath $_prefix$head]
3091                        set head {}
3092                }
3093        }
3094
3095        if {$head eq {}} {
3096                load_current_branch
3097        } else {
3098                if {[regexp {^[0-9a-f]{1,39}$} $head]} {
3099                        if {[catch {
3100                                        set head [git rev-parse --verify $head]
3101                                } err]} {
3102                                if {[tk windowingsystem] eq "win32"} {
3103                                        tk_messageBox -icon error -title [mc Error] -message $err
3104                                } else {
3105                                        puts stderr $err
3106                                }
3107                                exit 1
3108                        }
3109                }
3110                set current_branch $head
3111        }
3112
3113        wm deiconify .
3114        switch -- $subcommand {
3115        browser {
3116                if {$jump_spec ne {}} usage
3117                if {$head eq {}} {
3118                        if {$path ne {} && [file isdirectory $path]} {
3119                                set head $current_branch
3120                        } else {
3121                                set head $path
3122                                set path {}
3123                        }
3124                }
3125                browser::new $head $path
3126        }
3127        blame   {
3128                if {$head eq {} && ![file exists $path]} {
3129                        catch {wm withdraw .}
3130                        tk_messageBox \
3131                                -icon error \
3132                                -type ok \
3133                                -title [mc "git-gui: fatal error"] \
3134                                -message [mc "fatal: cannot stat path %s: No such file or directory" $path]
3135                        exit 1
3136                }
3137                blame::new $head $path $jump_spec
3138        }
3139        }
3140        return
3141}
3142citool -
3143gui {
3144        if {[llength $argv] != 0} {
3145                usage
3146        }
3147        # fall through to setup UI for commits
3148}
3149default {
3150        set err "[mc usage:] $argv0 \[{blame|browser|citool}\]"
3151        if {[tk windowingsystem] eq "win32"} {
3152                wm withdraw .
3153                tk_messageBox -icon error -message $err \
3154                        -title [mc "Usage"]
3155        } else {
3156                puts stderr $err
3157        }
3158        exit 1
3159}
3160}
3161
3162# -- Branch Control
3163#
3164${NS}::frame .branch
3165if {!$use_ttk} {.branch configure -borderwidth 1 -relief sunken}
3166${NS}::label .branch.l1 \
3167        -text [mc "Current Branch:"] \
3168        -anchor w \
3169        -justify left
3170${NS}::label .branch.cb \
3171        -textvariable current_branch \
3172        -anchor w \
3173        -justify left
3174pack .branch.l1 -side left
3175pack .branch.cb -side left -fill x
3176pack .branch -side top -fill x
3177
3178# -- Main Window Layout
3179#
3180${NS}::panedwindow .vpane -orient horizontal
3181${NS}::panedwindow .vpane.files -orient vertical
3182if {$use_ttk} {
3183        .vpane add .vpane.files
3184} else {
3185        .vpane add .vpane.files -sticky nsew -height 100 -width 200
3186}
3187pack .vpane -anchor n -side top -fill both -expand 1
3188
3189# -- Working Directory File List
3190
3191textframe .vpane.files.workdir -height 100 -width 200
3192tlabel .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
3193        -background lightsalmon -foreground black
3194ttext $ui_workdir -background white -foreground black \
3195        -borderwidth 0 \
3196        -width 20 -height 10 \
3197        -wrap none \
3198        -takefocus 1 -highlightthickness 1\
3199        -cursor $cursor_ptr \
3200        -xscrollcommand {.vpane.files.workdir.sx set} \
3201        -yscrollcommand {.vpane.files.workdir.sy set} \
3202        -state disabled
3203${NS}::scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
3204${NS}::scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
3205pack .vpane.files.workdir.title -side top -fill x
3206pack .vpane.files.workdir.sx -side bottom -fill x
3207pack .vpane.files.workdir.sy -side right -fill y
3208pack $ui_workdir -side left -fill both -expand 1
3209
3210# -- Index File List
3211#
3212textframe .vpane.files.index -height 100 -width 200
3213tlabel .vpane.files.index.title \
3214        -text [mc "Staged Changes (Will Commit)"] \
3215        -background lightgreen -foreground black
3216ttext $ui_index -background white -foreground black \
3217        -borderwidth 0 \
3218        -width 20 -height 10 \
3219        -wrap none \
3220        -takefocus 1 -highlightthickness 1\
3221        -cursor $cursor_ptr \
3222        -xscrollcommand {.vpane.files.index.sx set} \
3223        -yscrollcommand {.vpane.files.index.sy set} \
3224        -state disabled
3225${NS}::scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
3226${NS}::scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
3227pack .vpane.files.index.title -side top -fill x
3228pack .vpane.files.index.sx -side bottom -fill x
3229pack .vpane.files.index.sy -side right -fill y
3230pack $ui_index -side left -fill both -expand 1
3231
3232# -- Insert the workdir and index into the panes
3233#
3234.vpane.files add .vpane.files.workdir
3235.vpane.files add .vpane.files.index
3236if {!$use_ttk} {
3237        .vpane.files paneconfigure .vpane.files.workdir -sticky news
3238        .vpane.files paneconfigure .vpane.files.index -sticky news
3239}
3240
3241foreach i [list $ui_index $ui_workdir] {
3242        rmsel_tag $i
3243        $i tag conf in_diff -background [$i tag cget in_sel -background]
3244}
3245unset i
3246
3247# -- Diff and Commit Area
3248#
3249if {$have_tk85} {
3250        ${NS}::panedwindow .vpane.lower -orient vertical
3251        ${NS}::frame .vpane.lower.commarea
3252        ${NS}::frame .vpane.lower.diff -relief sunken -borderwidth 1 -height 500
3253        .vpane.lower add .vpane.lower.diff
3254        .vpane.lower add .vpane.lower.commarea
3255        .vpane add .vpane.lower
3256        if {$use_ttk} {
3257                .vpane.lower pane .vpane.lower.diff -weight 1
3258                .vpane.lower pane .vpane.lower.commarea -weight 0
3259        } else {
3260                .vpane.lower paneconfigure .vpane.lower.diff -stretch always
3261                .vpane.lower paneconfigure .vpane.lower.commarea -stretch never
3262        }
3263} else {
3264        frame .vpane.lower -height 300 -width 400
3265        frame .vpane.lower.commarea
3266        frame .vpane.lower.diff -relief sunken -borderwidth 1
3267        pack .vpane.lower.diff -fill both -expand 1
3268        pack .vpane.lower.commarea -side bottom -fill x
3269        .vpane add .vpane.lower
3270        .vpane paneconfigure .vpane.lower -sticky nsew
3271}
3272
3273# -- Commit Area Buttons
3274#
3275${NS}::frame .vpane.lower.commarea.buttons
3276${NS}::label .vpane.lower.commarea.buttons.l -text {} \
3277        -anchor w \
3278        -justify left
3279pack .vpane.lower.commarea.buttons.l -side top -fill x
3280pack .vpane.lower.commarea.buttons -side left -fill y
3281
3282${NS}::button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
3283        -command ui_do_rescan
3284pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3285lappend disable_on_lock \
3286        {.vpane.lower.commarea.buttons.rescan conf -state}
3287
3288${NS}::button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
3289        -command do_add_all
3290pack .vpane.lower.commarea.buttons.incall -side top -fill x
3291lappend disable_on_lock \
3292        {.vpane.lower.commarea.buttons.incall conf -state}
3293
3294if {![is_enabled nocommitmsg]} {
3295        ${NS}::button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
3296                -command do_signoff
3297        pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3298}
3299
3300${NS}::button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
3301        -command do_commit
3302pack .vpane.lower.commarea.buttons.commit -side top -fill x
3303lappend disable_on_lock \
3304        {.vpane.lower.commarea.buttons.commit conf -state}
3305
3306if {![is_enabled nocommit]} {
3307        ${NS}::button .vpane.lower.commarea.buttons.push -text [mc Push] \
3308                -command do_push_anywhere
3309        pack .vpane.lower.commarea.buttons.push -side top -fill x
3310}
3311
3312# -- Commit Message Buffer
3313#
3314${NS}::frame .vpane.lower.commarea.buffer
3315${NS}::frame .vpane.lower.commarea.buffer.header
3316set ui_comm .vpane.lower.commarea.buffer.frame.t
3317set ui_coml .vpane.lower.commarea.buffer.header.l
3318
3319if {![is_enabled nocommit]} {
3320        ${NS}::radiobutton .vpane.lower.commarea.buffer.header.new \
3321                -text [mc "New Commit"] \
3322                -command do_select_commit_type \
3323                -variable selected_commit_type \
3324                -value new
3325        lappend disable_on_lock \
3326                [list .vpane.lower.commarea.buffer.header.new conf -state]
3327        ${NS}::radiobutton .vpane.lower.commarea.buffer.header.amend \
3328                -text [mc "Amend Last Commit"] \
3329                -command do_select_commit_type \
3330                -variable selected_commit_type \
3331                -value amend
3332        lappend disable_on_lock \
3333                [list .vpane.lower.commarea.buffer.header.amend conf -state]
3334}
3335
3336${NS}::label $ui_coml \
3337        -anchor w \
3338        -justify left
3339proc trace_commit_type {varname args} {
3340        global ui_coml commit_type
3341        switch -glob -- $commit_type {
3342        initial       {set txt [mc "Initial Commit Message:"]}
3343        amend         {set txt [mc "Amended Commit Message:"]}
3344        amend-initial {set txt [mc "Amended Initial Commit Message:"]}
3345        amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
3346        merge         {set txt [mc "Merge Commit Message:"]}
3347        *             {set txt [mc "Commit Message:"]}
3348        }
3349        $ui_coml conf -text $txt
3350}
3351trace add variable commit_type write trace_commit_type
3352pack $ui_coml -side left -fill x
3353
3354if {![is_enabled nocommit]} {
3355        pack .vpane.lower.commarea.buffer.header.amend -side right
3356        pack .vpane.lower.commarea.buffer.header.new -side right
3357}
3358
3359textframe .vpane.lower.commarea.buffer.frame
3360ttext $ui_comm -background white -foreground black \
3361        -borderwidth 1 \
3362        -undo true \
3363        -maxundo 20 \
3364        -autoseparators true \
3365        -takefocus 1 \
3366        -highlightthickness 1 \
3367        -relief sunken \
3368        -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
3369        -font font_diff \
3370        -yscrollcommand {.vpane.lower.commarea.buffer.frame.sby set}
3371${NS}::scrollbar .vpane.lower.commarea.buffer.frame.sby \
3372        -command [list $ui_comm yview]
3373
3374pack .vpane.lower.commarea.buffer.frame.sby -side right -fill y
3375pack $ui_comm -side left -fill y
3376pack .vpane.lower.commarea.buffer.header -side top -fill x
3377pack .vpane.lower.commarea.buffer.frame -side left -fill y
3378pack .vpane.lower.commarea.buffer -side left -fill y
3379
3380# -- Commit Message Buffer Context Menu
3381#
3382set ctxm .vpane.lower.commarea.buffer.ctxm
3383menu $ctxm -tearoff 0
3384$ctxm add command \
3385        -label [mc Cut] \
3386        -command {tk_textCut $ui_comm}
3387$ctxm add command \
3388        -label [mc Copy] \
3389        -command {tk_textCopy $ui_comm}
3390$ctxm add command \
3391        -label [mc Paste] \
3392        -command {tk_textPaste $ui_comm}
3393$ctxm add command \
3394        -label [mc Delete] \
3395        -command {catch {$ui_comm delete sel.first sel.last}}
3396$ctxm add separator
3397$ctxm add command \
3398        -label [mc "Select All"] \
3399        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
3400$ctxm add command \
3401        -label [mc "Copy All"] \
3402        -command {
3403                $ui_comm tag add sel 0.0 end
3404                tk_textCopy $ui_comm
3405                $ui_comm tag remove sel 0.0 end
3406        }
3407$ctxm add separator
3408$ctxm add command \
3409        -label [mc "Sign Off"] \
3410        -command do_signoff
3411set ui_comm_ctxm $ctxm
3412
3413# -- Diff Header
3414#
3415proc trace_current_diff_path {varname args} {
3416        global current_diff_path diff_actions file_states
3417        if {$current_diff_path eq {}} {
3418                set s {}
3419                set f {}
3420                set p {}
3421                set o disabled
3422        } else {
3423                set p $current_diff_path
3424                set s [mapdesc [lindex $file_states($p) 0] $p]
3425                set f [mc "File:"]
3426                set p [escape_path $p]
3427                set o normal
3428        }
3429
3430        .vpane.lower.diff.header.status configure -text $s
3431        .vpane.lower.diff.header.file configure -text $f
3432        .vpane.lower.diff.header.path configure -text $p
3433        foreach w $diff_actions {
3434                uplevel #0 $w $o
3435        }
3436}
3437trace add variable current_diff_path write trace_current_diff_path
3438
3439gold_frame .vpane.lower.diff.header
3440tlabel .vpane.lower.diff.header.status \
3441        -background gold \
3442        -foreground black \
3443        -width $max_status_desc \
3444        -anchor w \
3445        -justify left
3446tlabel .vpane.lower.diff.header.file \
3447        -background gold \
3448        -foreground black \
3449        -anchor w \
3450        -justify left
3451tlabel .vpane.lower.diff.header.path \
3452        -background gold \
3453        -foreground black \
3454        -anchor w \
3455        -justify left
3456pack .vpane.lower.diff.header.status -side left
3457pack .vpane.lower.diff.header.file -side left
3458pack .vpane.lower.diff.header.path -fill x
3459set ctxm .vpane.lower.diff.header.ctxm
3460menu $ctxm -tearoff 0
3461$ctxm add command \
3462        -label [mc Copy] \
3463        -command {
3464                clipboard clear
3465                clipboard append \
3466                        -format STRING \
3467                        -type STRING \
3468                        -- $current_diff_path
3469        }
3470lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3471bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3472
3473# -- Diff Body
3474#
3475textframe .vpane.lower.diff.body
3476set ui_diff .vpane.lower.diff.body.t
3477ttext $ui_diff -background white -foreground black \
3478        -borderwidth 0 \
3479        -width 80 -height 5 -wrap none \
3480        -font font_diff \
3481        -takefocus 1 -highlightthickness 1 \
3482        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3483        -yscrollcommand {.vpane.lower.diff.body.sby set} \
3484        -state disabled
3485catch {$ui_diff configure -tabstyle wordprocessor}
3486${NS}::scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3487        -command [list $ui_diff xview]
3488${NS}::scrollbar .vpane.lower.diff.body.sby -orient vertical \
3489        -command [list $ui_diff yview]
3490pack .vpane.lower.diff.body.sbx -side bottom -fill x
3491pack .vpane.lower.diff.body.sby -side right -fill y
3492pack $ui_diff -side left -fill both -expand 1
3493pack .vpane.lower.diff.header -side top -fill x
3494pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3495
3496foreach {n c} {0 black 1 red4 2 green4 3 yellow4 4 blue4 5 magenta4 6 cyan4 7 grey60} {
3497        $ui_diff tag configure clr4$n -background $c
3498        $ui_diff tag configure clri4$n -foreground $c
3499        $ui_diff tag configure clr3$n -foreground $c
3500        $ui_diff tag configure clri3$n -background $c
3501}
3502$ui_diff tag configure clr1 -font font_diffbold
3503$ui_diff tag configure clr4 -underline 1
3504
3505$ui_diff tag conf d_info -foreground blue -font font_diffbold
3506
3507$ui_diff tag conf d_cr -elide true
3508$ui_diff tag conf d_@ -font font_diffbold
3509$ui_diff tag conf d_+ -foreground {#00a000}
3510$ui_diff tag conf d_- -foreground red
3511
3512$ui_diff tag conf d_++ -foreground {#00a000}
3513$ui_diff tag conf d_-- -foreground red
3514$ui_diff tag conf d_+s \
3515        -foreground {#00a000} \
3516        -background {#e2effa}
3517$ui_diff tag conf d_-s \
3518        -foreground red \
3519        -background {#e2effa}
3520$ui_diff tag conf d_s+ \
3521        -foreground {#00a000} \
3522        -background ivory1
3523$ui_diff tag conf d_s- \
3524        -foreground red \
3525        -background ivory1
3526
3527$ui_diff tag conf d< \
3528        -foreground orange \
3529        -font font_diffbold
3530$ui_diff tag conf d= \
3531        -foreground orange \
3532        -font font_diffbold
3533$ui_diff tag conf d> \
3534        -foreground orange \
3535        -font font_diffbold
3536
3537$ui_diff tag raise sel
3538
3539# -- Diff Body Context Menu
3540#
3541
3542proc create_common_diff_popup {ctxm} {
3543        $ctxm add command \
3544                -label [mc Refresh] \
3545                -command reshow_diff
3546        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3547        $ctxm add command \
3548                -label [mc Copy] \
3549                -command {tk_textCopy $ui_diff}
3550        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3551        $ctxm add command \
3552                -label [mc "Select All"] \
3553                -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3554        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3555        $ctxm add command \
3556                -label [mc "Copy All"] \
3557                -command {
3558                        $ui_diff tag add sel 0.0 end
3559                        tk_textCopy $ui_diff
3560                        $ui_diff tag remove sel 0.0 end
3561                }
3562        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3563        $ctxm add separator
3564        $ctxm add command \
3565                -label [mc "Decrease Font Size"] \
3566                -command {incr_font_size font_diff -1}
3567        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3568        $ctxm add command \
3569                -label [mc "Increase Font Size"] \
3570                -command {incr_font_size font_diff 1}
3571        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3572        $ctxm add separator
3573        set emenu $ctxm.enc
3574        menu $emenu
3575        build_encoding_menu $emenu [list force_diff_encoding]
3576        $ctxm add cascade \
3577                -label [mc "Encoding"] \
3578                -menu $emenu
3579        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3580        $ctxm add separator
3581        $ctxm add command -label [mc "Options..."] \
3582                -command do_options
3583}
3584
3585set ctxm .vpane.lower.diff.body.ctxm
3586menu $ctxm -tearoff 0
3587$ctxm add command \
3588        -label [mc "Apply/Reverse Hunk"] \
3589        -command {apply_hunk $cursorX $cursorY}
3590set ui_diff_applyhunk [$ctxm index last]
3591lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3592$ctxm add command \
3593        -label [mc "Apply/Reverse Line"] \
3594        -command {apply_range_or_line $cursorX $cursorY; do_rescan}
3595set ui_diff_applyline [$ctxm index last]
3596lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3597$ctxm add separator
3598$ctxm add command \
3599        -label [mc "Show Less Context"] \
3600        -command show_less_context
3601lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3602$ctxm add command \
3603        -label [mc "Show More Context"] \
3604        -command show_more_context
3605lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3606$ctxm add separator
3607create_common_diff_popup $ctxm
3608
3609set ctxmmg .vpane.lower.diff.body.ctxmmg
3610menu $ctxmmg -tearoff 0
3611$ctxmmg add command \
3612        -label [mc "Run Merge Tool"] \
3613        -command {merge_resolve_tool}
3614lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3615$ctxmmg add separator
3616$ctxmmg add command \
3617        -label [mc "Use Remote Version"] \
3618        -command {merge_resolve_one 3}
3619lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3620$ctxmmg add command \
3621        -label [mc "Use Local Version"] \
3622        -command {merge_resolve_one 2}
3623lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3624$ctxmmg add command \
3625        -label [mc "Revert To Base"] \
3626        -command {merge_resolve_one 1}
3627lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3628$ctxmmg add separator
3629$ctxmmg add command \
3630        -label [mc "Show Less Context"] \
3631        -command show_less_context
3632lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3633$ctxmmg add command \
3634        -label [mc "Show More Context"] \
3635        -command show_more_context
3636lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3637$ctxmmg add separator
3638create_common_diff_popup $ctxmmg
3639
3640set ctxmsm .vpane.lower.diff.body.ctxmsm
3641menu $ctxmsm -tearoff 0
3642$ctxmsm add command \
3643        -label [mc "Visualize These Changes In The Submodule"] \
3644        -command {do_gitk -- true}
3645lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3646$ctxmsm add command \
3647        -label [mc "Visualize Current Branch History In The Submodule"] \
3648        -command {do_gitk {} true}
3649lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3650$ctxmsm add command \
3651        -label [mc "Visualize All Branch History In The Submodule"] \
3652        -command {do_gitk --all true}
3653lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3654$ctxmsm add separator
3655$ctxmsm add command \
3656        -label [mc "Start git gui In The Submodule"] \
3657        -command {do_git_gui}
3658lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3659$ctxmsm add separator
3660create_common_diff_popup $ctxmsm
3661
3662proc has_textconv {path} {
3663        if {[is_config_false gui.textconv]} {
3664                return 0
3665        }
3666        set filter [gitattr $path diff set]
3667        set textconv [get_config [join [list diff $filter textconv] .]]
3668        if {$filter ne {set} && $textconv ne {}} {
3669                return 1
3670        } else {
3671                return 0
3672        }
3673}
3674
3675proc popup_diff_menu {ctxm ctxmmg ctxmsm x y X Y} {
3676        global current_diff_path file_states
3677        set ::cursorX $x
3678        set ::cursorY $y
3679        if {[info exists file_states($current_diff_path)]} {
3680                set state [lindex $file_states($current_diff_path) 0]
3681        } else {
3682                set state {__}
3683        }
3684        if {[string first {U} $state] >= 0} {
3685                tk_popup $ctxmmg $X $Y
3686        } elseif {$::is_submodule_diff} {
3687                tk_popup $ctxmsm $X $Y
3688        } else {
3689                set has_range [expr {[$::ui_diff tag nextrange sel 0.0] != {}}]
3690                if {$::ui_index eq $::current_diff_side} {
3691                        set l [mc "Unstage Hunk From Commit"]
3692                        if {$has_range} {
3693                                set t [mc "Unstage Lines From Commit"]
3694                        } else {
3695                                set t [mc "Unstage Line From Commit"]
3696                        }
3697                } else {
3698                        set l [mc "Stage Hunk For Commit"]
3699                        if {$has_range} {
3700                                set t [mc "Stage Lines For Commit"]
3701                        } else {
3702                                set t [mc "Stage Line For Commit"]
3703                        }
3704                }
3705                if {$::is_3way_diff
3706                        || $current_diff_path eq {}
3707                        || {__} eq $state
3708                        || {_O} eq $state
3709                        || [string match {?T} $state]
3710                        || [string match {T?} $state]
3711                        || [has_textconv $current_diff_path]} {
3712                        set s disabled
3713                } else {
3714                        set s normal
3715                }
3716                $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3717                $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3718                tk_popup $ctxm $X $Y
3719        }
3720}
3721bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg $ctxmsm %x %y %X %Y]
3722
3723# -- Status Bar
3724#
3725set main_status [::status_bar::new .status]
3726pack .status -anchor w -side bottom -fill x
3727$main_status show [mc "Initializing..."]
3728
3729# -- Load geometry
3730#
3731proc on_ttk_pane_mapped {w pane pos} {
3732        bind $w <Map> {}
3733        after 0 [list after idle [list $w sashpos $pane $pos]]
3734}
3735proc on_tk_pane_mapped {w pane x y} {
3736        bind $w <Map> {}
3737        after 0 [list after idle [list $w sash place $pane $x $y]]
3738}
3739proc on_application_mapped {} {
3740        global repo_config use_ttk
3741        bind . <Map> {}
3742        set gm $repo_config(gui.geometry)
3743        if {$use_ttk} {
3744                bind .vpane <Map> \
3745                    [list on_ttk_pane_mapped %W 0 [lindex $gm 1]]
3746                bind .vpane.files <Map> \
3747                    [list on_ttk_pane_mapped %W 0 [lindex $gm 2]]
3748        } else {
3749                bind .vpane <Map> \
3750                    [list on_tk_pane_mapped %W 0 \
3751                         [lindex $gm 1] \
3752                         [lindex [.vpane sash coord 0] 1]]
3753                bind .vpane.files <Map> \
3754                    [list on_tk_pane_mapped %W 0 \
3755                         [lindex [.vpane.files sash coord 0] 0] \
3756                         [lindex $gm 2]]
3757        }
3758        wm geometry . [lindex $gm 0]
3759}
3760if {[info exists repo_config(gui.geometry)]} {
3761        bind . <Map> [list on_application_mapped]
3762        wm geometry . [lindex $repo_config(gui.geometry) 0]
3763}
3764
3765# -- Load window state
3766#
3767if {[info exists repo_config(gui.wmstate)]} {
3768        catch {wm state . $repo_config(gui.wmstate)}
3769}
3770
3771# -- Key Bindings
3772#
3773bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3774bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3775bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3776bind $ui_comm <$M1B-Key-u> {do_unstage_selection;break}
3777bind $ui_comm <$M1B-Key-U> {do_unstage_selection;break}
3778bind $ui_comm <$M1B-Key-j> {do_revert_selection;break}
3779bind $ui_comm <$M1B-Key-J> {do_revert_selection;break}
3780bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3781bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3782bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3783bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3784bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3785bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3786bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3787bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3788bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3789bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3790bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3791bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3792bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3793bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3794bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3795
3796bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3797bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3798bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3799bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3800bind $ui_diff <$M1B-Key-v> {break}
3801bind $ui_diff <$M1B-Key-V> {break}
3802bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3803bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3804bind $ui_diff <$M1B-Key-j> {do_revert_selection;break}
3805bind $ui_diff <$M1B-Key-J> {do_revert_selection;break}
3806bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3807bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3808bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3809bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3810bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3811bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3812bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3813bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3814bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3815bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3816bind $ui_diff <Button-1>   {focus %W}
3817
3818if {[is_enabled branch]} {
3819        bind . <$M1B-Key-n> branch_create::dialog
3820        bind . <$M1B-Key-N> branch_create::dialog
3821        bind . <$M1B-Key-o> branch_checkout::dialog
3822        bind . <$M1B-Key-O> branch_checkout::dialog
3823        bind . <$M1B-Key-m> merge::dialog
3824        bind . <$M1B-Key-M> merge::dialog
3825}
3826if {[is_enabled transport]} {
3827        bind . <$M1B-Key-p> do_push_anywhere
3828        bind . <$M1B-Key-P> do_push_anywhere
3829}
3830
3831bind .   <Key-F5>     ui_do_rescan
3832bind .   <$M1B-Key-r> ui_do_rescan
3833bind .   <$M1B-Key-R> ui_do_rescan
3834bind .   <$M1B-Key-s> do_signoff
3835bind .   <$M1B-Key-S> do_signoff
3836bind .   <$M1B-Key-t> { toggle_or_diff toggle %W }
3837bind .   <$M1B-Key-T> { toggle_or_diff toggle %W }
3838bind .   <$M1B-Key-u> { toggle_or_diff toggle %W }
3839bind .   <$M1B-Key-U> { toggle_or_diff toggle %W }
3840bind .   <$M1B-Key-j> do_revert_selection
3841bind .   <$M1B-Key-J> do_revert_selection
3842bind .   <$M1B-Key-i> do_add_all
3843bind .   <$M1B-Key-I> do_add_all
3844bind .   <$M1B-Key-minus> {show_less_context;break}
3845bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3846bind .   <$M1B-Key-equal> {show_more_context;break}
3847bind .   <$M1B-Key-plus> {show_more_context;break}
3848bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3849bind .   <$M1B-Key-Return> do_commit
3850foreach i [list $ui_index $ui_workdir] {
3851        bind $i <Button-1>       { toggle_or_diff click %W %x %y; break }
3852        bind $i <$M1B-Button-1>  { add_one_to_selection %W %x %y; break }
3853        bind $i <Shift-Button-1> { add_range_to_selection %W %x %y; break }
3854        bind $i <Key-Up>         { toggle_or_diff up %W; break }
3855        bind $i <Key-Down>       { toggle_or_diff down %W; break }
3856}
3857unset i
3858
3859set file_lists($ui_index) [list]
3860set file_lists($ui_workdir) [list]
3861
3862wm title . "[appname] ([reponame]) [file normalize $_gitworktree]"
3863focus -force $ui_comm
3864
3865# -- Warn the user about environmental problems.  Cygwin's Tcl
3866#    does *not* pass its env array onto any processes it spawns.
3867#    This means that git processes get none of our environment.
3868#
3869if {[is_Cygwin]} {
3870        set ignored_env 0
3871        set suggest_user {}
3872        set msg [mc "Possible environment issues exist.
3873
3874The following environment variables are probably
3875going to be ignored by any Git subprocess run
3876by %s:
3877
3878" [appname]]
3879        foreach name [array names env] {
3880                switch -regexp -- $name {
3881                {^GIT_INDEX_FILE$} -
3882                {^GIT_OBJECT_DIRECTORY$} -
3883                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3884                {^GIT_DIFF_OPTS$} -
3885                {^GIT_EXTERNAL_DIFF$} -
3886                {^GIT_PAGER$} -
3887                {^GIT_TRACE$} -
3888                {^GIT_CONFIG$} -
3889                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3890                        append msg " - $name\n"
3891                        incr ignored_env
3892                }
3893                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3894                        append msg " - $name\n"
3895                        incr ignored_env
3896                        set suggest_user $name
3897                }
3898                }
3899        }
3900        if {$ignored_env > 0} {
3901                append msg [mc "
3902This is due to a known issue with the
3903Tcl binary distributed by Cygwin."]
3904
3905                if {$suggest_user ne {}} {
3906                        append msg [mc "
3907
3908A good replacement for %s
3909is placing values for the user.name and
3910user.email settings into your personal
3911~/.gitconfig file.
3912" $suggest_user]
3913                }
3914                warn_popup $msg
3915        }
3916        unset ignored_env msg suggest_user name
3917}
3918
3919# -- Only initialize complex UI if we are going to stay running.
3920#
3921if {[is_enabled transport]} {
3922        load_all_remotes
3923
3924        set n [.mbar.remote index end]
3925        populate_remotes_menu
3926        set n [expr {[.mbar.remote index end] - $n}]
3927        if {$n > 0} {
3928                if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3929                .mbar.remote insert $n separator
3930        }
3931        unset n
3932}
3933
3934if {[winfo exists $ui_comm]} {
3935        set GITGUI_BCK_exists [load_message GITGUI_BCK utf-8]
3936
3937        # -- If both our backup and message files exist use the
3938        #    newer of the two files to initialize the buffer.
3939        #
3940        if {$GITGUI_BCK_exists} {
3941                set m [gitdir GITGUI_MSG]
3942                if {[file isfile $m]} {
3943                        if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3944                                catch {file delete [gitdir GITGUI_MSG]}
3945                        } else {
3946                                $ui_comm delete 0.0 end
3947                                $ui_comm edit reset
3948                                $ui_comm edit modified false
3949                                catch {file delete [gitdir GITGUI_BCK]}
3950                                set GITGUI_BCK_exists 0
3951                        }
3952                }
3953                unset m
3954        }
3955
3956        proc backup_commit_buffer {} {
3957                global ui_comm GITGUI_BCK_exists
3958
3959                set m [$ui_comm edit modified]
3960                if {$m || $GITGUI_BCK_exists} {
3961                        set msg [string trim [$ui_comm get 0.0 end]]
3962                        regsub -all -line {[ \r\t]+$} $msg {} msg
3963
3964                        if {$msg eq {}} {
3965                                if {$GITGUI_BCK_exists} {
3966                                        catch {file delete [gitdir GITGUI_BCK]}
3967                                        set GITGUI_BCK_exists 0
3968                                }
3969                        } elseif {$m} {
3970                                catch {
3971                                        set fd [open [gitdir GITGUI_BCK] w]
3972                                        fconfigure $fd -encoding utf-8
3973                                        puts -nonewline $fd $msg
3974                                        close $fd
3975                                        set GITGUI_BCK_exists 1
3976                                }
3977                        }
3978
3979                        $ui_comm edit modified false
3980                }
3981
3982                set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3983        }
3984
3985        backup_commit_buffer
3986
3987        # -- If the user has aspell available we can drive it
3988        #    in pipe mode to spellcheck the commit message.
3989        #
3990        set spell_cmd [list |]
3991        set spell_dict [get_config gui.spellingdictionary]
3992        lappend spell_cmd aspell
3993        if {$spell_dict ne {}} {
3994                lappend spell_cmd --master=$spell_dict
3995        }
3996        lappend spell_cmd --mode=none
3997        lappend spell_cmd --encoding=utf-8
3998        lappend spell_cmd pipe
3999        if {$spell_dict eq {none}
4000         || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
4001                bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
4002        } else {
4003                set ui_comm_spell [spellcheck::init \
4004                        $spell_fd \
4005                        $ui_comm \
4006                        $ui_comm_ctxm \
4007                ]
4008        }
4009        unset -nocomplain spell_cmd spell_fd spell_err spell_dict
4010}
4011
4012lock_index begin-read
4013if {![winfo ismapped .]} {
4014        wm deiconify .
4015}
4016after 1 {
4017        if {[is_enabled initialamend]} {
4018                force_amend
4019        } else {
4020                do_rescan
4021        }
4022
4023        if {[is_enabled nocommitmsg]} {
4024                $ui_comm configure -state disabled -background gray
4025        }
4026}
4027if {[is_enabled multicommit] && ![is_config_false gui.gcwarning]} {
4028        after 1000 hint_gc
4029}
4030if {[is_enabled retcode]} {
4031        bind . <Destroy> {+terminate_me %W}
4032}
4033if {$picked && [is_config_true gui.autoexplore]} {
4034        do_explore
4035}
4036
4037# Local variables:
4038# mode: tcl
4039# indent-tabs-mode: t
4040# tab-width: 4
4041# End: