1#!/bin/sh
2#
3# git-submodule.sh: add, init, update or list git submodules
4#
5# Copyright (c) 2007 Lars Hjemli
6dashless=$(basename "$0" | sed -e 's/-/ /')
8USAGE="[--quiet] add [-b <branch>] [-f|--force] [--name <name>] [--reference <repository>] [--] <repository> [<path>]
9 or: $dashless [--quiet] status [--cached] [--recursive] [--] [<path>...]
10 or: $dashless [--quiet] init [--] [<path>...]
11 or: $dashless [--quiet] deinit [-f|--force] (--all| [--] <path>...)
12 or: $dashless [--quiet] update [--init] [--remote] [-N|--no-fetch] [-f|--force] [--checkout|--merge|--rebase] [--[no-]recommend-shallow] [--reference <repository>] [--recursive] [--] [<path>...]
13 or: $dashless [--quiet] summary [--cached|--files] [--summary-limit <n>] [commit] [--] [<path>...]
14 or: $dashless [--quiet] foreach [--recursive] <command>
15 or: $dashless [--quiet] sync [--recursive] [--] [<path>...]
16 or: $dashless [--quiet] absorbgitdirs [--] [<path>...]"
17OPTIONS_SPEC=
18SUBDIRECTORY_OK=Yes
19. git-sh-setup
20. git-parse-remote
21require_work_tree
22wt_prefix=$(git rev-parse --show-prefix)
23cd_to_toplevel
24# Tell the rest of git that any URLs we get don't come
26# directly from the user, so it can apply policy as appropriate.
27GIT_PROTOCOL_FROM_USER=0
28export GIT_PROTOCOL_FROM_USER
29command=
31branch=
32force=
33reference=
34cached=
35recursive=
36init=
37files=
38remote=
39nofetch=
40update=
41prefix=
42custom_name=
43depth=
44progress=
45dissociate=
46die_if_unmatched ()
48{
49 if test "$1" = "#unmatched"
50 then
51 exit ${2:-1}
52 fi
53}
54#
56# Print a submodule configuration setting
57#
58# $1 = submodule name
59# $2 = option name
60# $3 = default value
61#
62# Checks in the usual git-config places first (for overrides),
63# otherwise it falls back on .gitmodules. This allows you to
64# distribute project-wide defaults in .gitmodules, while still
65# customizing individual repositories if necessary. If the option is
66# not in .gitmodules either, print a default value.
67#
68get_submodule_config () {
69 name="$1"
70 option="$2"
71 default="$3"
72 value=$(git config submodule."$name"."$option")
73 if test -z "$value"
74 then
75 value=$(git config -f .gitmodules submodule."$name"."$option")
76 fi
77 printf '%s' "${value:-$default}"
78}
79isnumber()
81{
82 n=$(($1 + 0)) 2>/dev/null && test "$n" = "$1"
83}
84# Sanitize the local git environment for use within a submodule. We
86# can't simply use clear_local_git_env since we want to preserve some
87# of the settings from GIT_CONFIG_PARAMETERS.
88sanitize_submodule_env()
89{
90 save_config=$GIT_CONFIG_PARAMETERS
91 clear_local_git_env
92 GIT_CONFIG_PARAMETERS=$save_config
93 export GIT_CONFIG_PARAMETERS
94}
95#
97# Add a new submodule to the working tree, .gitmodules and the index
98#
99# $@ = repo path
100#
101# optional branch is stored in global branch variable
102#
103cmd_add()
104{
105 # parse $args after "submodule ... add".
106 reference_path=
107 while test $# -ne 0
108 do
109 case "$1" in
110 -b | --branch)
111 case "$2" in '') usage ;; esac
112 branch=$2
113 shift
114 ;;
115 -f | --force)
116 force=$1
117 ;;
118 -q|--quiet)
119 GIT_QUIET=1
120 ;;
121 --progress)
122 progress=1
123 ;;
124 --reference)
125 case "$2" in '') usage ;; esac
126 reference_path=$2
127 shift
128 ;;
129 --reference=*)
130 reference_path="${1#--reference=}"
131 ;;
132 --dissociate)
133 dissociate=1
134 ;;
135 --name)
136 case "$2" in '') usage ;; esac
137 custom_name=$2
138 shift
139 ;;
140 --depth)
141 case "$2" in '') usage ;; esac
142 depth="--depth=$2"
143 shift
144 ;;
145 --depth=*)
146 depth=$1
147 ;;
148 --)
149 shift
150 break
151 ;;
152 -*)
153 usage
154 ;;
155 *)
156 break
157 ;;
158 esac
159 shift
160 done
161 if test -n "$reference_path"
163 then
164 is_absolute_path "$reference_path" ||
165 reference_path="$wt_prefix$reference_path"
166 reference="--reference=$reference_path"
168 fi
169 repo=$1
171 sm_path=$2
172 if test -z "$sm_path"; then
174 sm_path=$(printf '%s\n' "$repo" |
175 sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
176 fi
177 if test -z "$repo" || test -z "$sm_path"; then
179 usage
180 fi
181 is_absolute_path "$sm_path" || sm_path="$wt_prefix$sm_path"
183 # assure repo is absolute or relative to parent
185 case "$repo" in
186 ./*|../*)
187 test -z "$wt_prefix" ||
188 die "$(gettext "Relative path can only be used from the toplevel of the working tree")"
189 # dereference source url relative to parent's url
191 realrepo=$(git submodule--helper resolve-relative-url "$repo") || exit
192 ;;
193 *:*|/*)
194 # absolute url
195 realrepo=$repo
196 ;;
197 *)
198 die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")"
199 ;;
200 esac
201 # normalize path:
203 # multiple //; leading ./; /./; /../; trailing /
204 sm_path=$(printf '%s/\n' "$sm_path" |
205 sed -e '
206 s|//*|/|g
207 s|^\(\./\)*||
208 s|/\(\./\)*|/|g
209 :start
210 s|\([^/]*\)/\.\./||
211 tstart
212 s|/*$||
213 ')
214 if test -z "$force"
215 then
216 git ls-files --error-unmatch "$sm_path" > /dev/null 2>&1 &&
217 die "$(eval_gettext "'\$sm_path' already exists in the index")"
218 else
219 git ls-files -s "$sm_path" | sane_grep -v "^160000" > /dev/null 2>&1 &&
220 die "$(eval_gettext "'\$sm_path' already exists in the index and is not a submodule")"
221 fi
222 if test -z "$force" &&
224 ! git add --dry-run --ignore-missing --no-warn-embedded-repo "$sm_path" > /dev/null 2>&1
225 then
226 eval_gettextln "The following path is ignored by one of your .gitignore files:
227\$sm_path
228Use -f if you really want to add it." >&2
229 exit 1
230 fi
231 if test -n "$custom_name"
233 then
234 sm_name="$custom_name"
235 else
236 sm_name="$sm_path"
237 fi
238 if ! git submodule--helper check-name "$sm_name"
240 then
241 die "$(eval_gettext "'$sm_name' is not a valid submodule name")"
242 fi
243 # perhaps the path exists and is already a git repo, else clone it
245 if test -e "$sm_path"
246 then
247 if test -d "$sm_path"/.git || test -f "$sm_path"/.git
248 then
249 eval_gettextln "Adding existing repo at '\$sm_path' to the index"
250 else
251 die "$(eval_gettext "'\$sm_path' already exists and is not a valid git repo")"
252 fi
253 else
255 if test -d ".git/modules/$sm_name"
256 then
257 if test -z "$force"
258 then
259 eval_gettextln >&2 "A git directory for '\$sm_name' is found locally with remote(s):"
260 GIT_DIR=".git/modules/$sm_name" GIT_WORK_TREE=. git remote -v | grep '(fetch)' | sed -e s,^," ", -e s,' (fetch)',, >&2
261 die "$(eval_gettextln "\
262If you want to reuse this local git directory instead of cloning again from
263 \$realrepo
264use the '--force' option. If the local git directory is not the correct repo
265or you are unsure what this means choose another name with the '--name' option.")"
266 else
267 eval_gettextln "Reactivating local git directory for submodule '\$sm_name'."
268 fi
269 fi
270 git submodule--helper clone ${GIT_QUIET:+--quiet} ${progress:+"--progress"} --prefix "$wt_prefix" --path "$sm_path" --name "$sm_name" --url "$realrepo" ${reference:+"$reference"} ${dissociate:+"--dissociate"} ${depth:+"$depth"} || exit
271 (
272 sanitize_submodule_env
273 cd "$sm_path" &&
274 # ash fails to wordsplit ${branch:+-b "$branch"...}
275 case "$branch" in
276 '') git checkout -f -q ;;
277 ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
278 esac
279 ) || die "$(eval_gettext "Unable to checkout submodule '\$sm_path'")"
280 fi
281 git config submodule."$sm_name".url "$realrepo"
282 git add --no-warn-embedded-repo $force "$sm_path" ||
284 die "$(eval_gettext "Failed to add submodule '\$sm_path'")"
285 git config -f .gitmodules submodule."$sm_name".path "$sm_path" &&
287 git config -f .gitmodules submodule."$sm_name".url "$repo" &&
288 if test -n "$branch"
289 then
290 git config -f .gitmodules submodule."$sm_name".branch "$branch"
291 fi &&
292 git add --force .gitmodules ||
293 die "$(eval_gettext "Failed to register submodule '\$sm_path'")"
294 # NEEDSWORK: In a multi-working-tree world, this needs to be
296 # set in the per-worktree config.
297 if git config --get submodule.active >/dev/null
298 then
299 # If the submodule being adding isn't already covered by the
300 # current configured pathspec, set the submodule's active flag
301 if ! git submodule--helper is-active "$sm_path"
302 then
303 git config submodule."$sm_name".active "true"
304 fi
305 else
306 git config submodule."$sm_name".active "true"
307 fi
308}
309#
311# Execute an arbitrary command sequence in each checked out
312# submodule
313#
314# $@ = command to execute
315#
316cmd_foreach()
317{
318 # parse $args after "submodule ... foreach".
319 while test $# -ne 0
320 do
321 case "$1" in
322 -q|--quiet)
323 GIT_QUIET=1
324 ;;
325 --recursive)
326 recursive=1
327 ;;
328 -*)
329 usage
330 ;;
331 *)
332 break
333 ;;
334 esac
335 shift
336 done
337 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper foreach ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
339}
340#
342# Register submodules in .git/config
343#
344# $@ = requested paths (default to all)
345#
346cmd_init()
347{
348 # parse $args after "submodule ... init".
349 while test $# -ne 0
350 do
351 case "$1" in
352 -q|--quiet)
353 GIT_QUIET=1
354 ;;
355 --)
356 shift
357 break
358 ;;
359 -*)
360 usage
361 ;;
362 *)
363 break
364 ;;
365 esac
366 shift
367 done
368 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper init ${GIT_QUIET:+--quiet} "$@"
370}
371#
373# Unregister submodules from .git/config and remove their work tree
374#
375cmd_deinit()
376{
377 # parse $args after "submodule ... deinit".
378 deinit_all=
379 while test $# -ne 0
380 do
381 case "$1" in
382 -f|--force)
383 force=$1
384 ;;
385 -q|--quiet)
386 GIT_QUIET=1
387 ;;
388 --all)
389 deinit_all=t
390 ;;
391 --)
392 shift
393 break
394 ;;
395 -*)
396 usage
397 ;;
398 *)
399 break
400 ;;
401 esac
402 shift
403 done
404 git ${wt_prefix:+-C "$wt_prefix"} submodule--helper deinit ${GIT_QUIET:+--quiet} ${prefix:+--prefix "$prefix"} ${force:+--force} ${deinit_all:+--all} "$@"
406}
407is_tip_reachable () (
409 sanitize_submodule_env &&
410 cd "$1" &&
411 rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) &&
412 test -z "$rev"
413)
414fetch_in_submodule () (
416 sanitize_submodule_env &&
417 cd "$1" &&
418 case "$2" in
419 '')
420 git fetch ;;
421 *)
422 shift
423 git fetch $(get_default_remote) "$@" ;;
424 esac
425)
426#
428# Update each submodule path to correct revision, using clone and checkout as needed
429#
430# $@ = requested paths (default to all)
431#
432cmd_update()
433{
434 # parse $args after "submodule ... update".
435 while test $# -ne 0
436 do
437 case "$1" in
438 -q|--quiet)
439 GIT_QUIET=1
440 ;;
441 --progress)
442 progress=1
443 ;;
444 -i|--init)
445 init=1
446 ;;
447 --remote)
448 remote=1
449 ;;
450 -N|--no-fetch)
451 nofetch=1
452 ;;
453 -f|--force)
454 force=$1
455 ;;
456 -r|--rebase)
457 update="rebase"
458 ;;
459 --reference)
460 case "$2" in '') usage ;; esac
461 reference="--reference=$2"
462 shift
463 ;;
464 --reference=*)
465 reference="$1"
466 ;;
467 --dissociate)
468 dissociate=1
469 ;;
470 -m|--merge)
471 update="merge"
472 ;;
473 --recursive)
474 recursive=1
475 ;;
476 --checkout)
477 update="checkout"
478 ;;
479 --recommend-shallow)
480 recommend_shallow="--recommend-shallow"
481 ;;
482 --no-recommend-shallow)
483 recommend_shallow="--no-recommend-shallow"
484 ;;
485 --depth)
486 case "$2" in '') usage ;; esac
487 depth="--depth=$2"
488 shift
489 ;;
490 --depth=*)
491 depth=$1
492 ;;
493 -j|--jobs)
494 case "$2" in '') usage ;; esac
495 jobs="--jobs=$2"
496 shift
497 ;;
498 --jobs=*)
499 jobs=$1
500 ;;
501 --)
502 shift
503 break
504 ;;
505 -*)
506 usage
507 ;;
508 *)
509 break
510 ;;
511 esac
512 shift
513 done
514 if test -n "$init"
516 then
517 cmd_init "--" "$@" || return
518 fi
519 {
521 git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
522 ${progress:+"--progress"} \
523 ${wt_prefix:+--prefix "$wt_prefix"} \
524 ${prefix:+--recursive-prefix "$prefix"} \
525 ${update:+--update "$update"} \
526 ${reference:+"$reference"} \
527 ${dissociate:+"--dissociate"} \
528 ${depth:+--depth "$depth"} \
529 $recommend_shallow \
530 $jobs \
531 "$@" || echo "#unmatched" $?
532 } | {
533 err=
534 while read -r quickabort sha1 just_cloned sm_path
535 do
536 die_if_unmatched "$quickabort" "$sha1"
537 git submodule--helper ensure-core-worktree "$sm_path"
539 update_module=$(git submodule--helper update-module-mode $just_cloned "$sm_path" $update)
541 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
543 if test $just_cloned -eq 1
545 then
546 subsha1=
547 else
548 subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
549 git rev-parse --verify HEAD) ||
550 die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
551 fi
552 if test -n "$remote"
554 then
555 branch=$(git submodule--helper remote-branch "$sm_path")
556 if test -z "$nofetch"
557 then
558 # Fetch remote before determining tracking $sha1
559 fetch_in_submodule "$sm_path" $depth ||
560 die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
561 fi
562 remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote)
563 sha1=$(sanitize_submodule_env; cd "$sm_path" &&
564 git rev-parse --verify "${remote_name}/${branch}") ||
565 die "$(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")"
566 fi
567 if test "$subsha1" != "$sha1" || test -n "$force"
569 then
570 subforce=$force
571 # If we don't already have a -f flag and the submodule has never been checked out
572 if test -z "$subsha1" && test -z "$force"
573 then
574 subforce="-f"
575 fi
576 if test -z "$nofetch"
578 then
579 # Run fetch only if $sha1 isn't present or it
580 # is not reachable from a ref.
581 is_tip_reachable "$sm_path" "$sha1" ||
582 fetch_in_submodule "$sm_path" $depth ||
583 say "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
584 # Now we tried the usual fetch, but $sha1 may
586 # not be reachable from any of the refs
587 is_tip_reachable "$sm_path" "$sha1" ||
588 fetch_in_submodule "$sm_path" $depth "$sha1" ||
589 die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
590 fi
591 must_die_on_failure=
593 case "$update_module" in
594 checkout)
595 command="git checkout $subforce -q"
596 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
597 say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
598 ;;
599 rebase)
600 command="git rebase"
601 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
602 say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
603 must_die_on_failure=yes
604 ;;
605 merge)
606 command="git merge"
607 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
608 say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
609 must_die_on_failure=yes
610 ;;
611 !*)
612 command="${update_module#!}"
613 die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
614 say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
615 must_die_on_failure=yes
616 ;;
617 *)
618 die "$(eval_gettext "Invalid update mode '$update_module' for submodule path '$path'")"
619 esac
620 if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
622 then
623 say "$say_msg"
624 elif test -n "$must_die_on_failure"
625 then
626 die_with_status 2 "$die_msg"
627 else
628 err="${err};$die_msg"
629 continue
630 fi
631 fi
632 if test -n "$recursive"
634 then
635 (
636 prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix")
637 wt_prefix=
638 sanitize_submodule_env
639 cd "$sm_path" &&
640 eval cmd_update
641 )
642 res=$?
643 if test $res -gt 0
644 then
645 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")"
646 if test $res -ne 2
647 then
648 err="${err};$die_msg"
649 continue
650 else
651 die_with_status $res "$die_msg"
652 fi
653 fi
654 fi
655 done
656 if test -n "$err"
658 then
659 OIFS=$IFS
660 IFS=';'
661 for e in $err
662 do
663 if test -n "$e"
664 then
665 echo >&2 "$e"
666 fi
667 done
668 IFS=$OIFS
669 exit 1
670 fi
671 }
672}
673#
675# Show commit summary for submodules in index or working tree
676#
677# If '--cached' is given, show summary between index and given commit,
678# or between working tree and given commit
679#
680# $@ = [commit (default 'HEAD'),] requested paths (default all)
681#
682cmd_summary() {
683 summary_limit=-1
684 for_status=
685 diff_cmd=diff-index
686 # parse $args after "submodule ... summary".
688 while test $# -ne 0
689 do
690 case "$1" in
691 --cached)
692 cached="$1"
693 ;;
694 --files)
695 files="$1"
696 ;;
697 --for-status)
698 for_status="$1"
699 ;;
700 -n|--summary-limit)
701 summary_limit="$2"
702 isnumber "$summary_limit" || usage
703 shift
704 ;;
705 --summary-limit=*)
706 summary_limit="${1#--summary-limit=}"
707 isnumber "$summary_limit" || usage
708 ;;
709 --)
710 shift
711 break
712 ;;
713 -*)
714 usage
715 ;;
716 *)
717 break
718 ;;
719 esac
720 shift
721 done
722 test $summary_limit = 0 && return
724 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
726 then
727 head=$rev
728 test $# = 0 || shift
729 elif test -z "$1" || test "$1" = "HEAD"
730 then
731 # before the first commit: compare with an empty tree
732 head=$(git hash-object -w -t tree --stdin </dev/null)
733 test -z "$1" || shift
734 else
735 head="HEAD"
736 fi
737 if [ -n "$files" ]
739 then
740 test -n "$cached" &&
741 die "$(gettext "The --cached option cannot be used with the --files option")"
742 diff_cmd=diff-files
743 head=
744 fi
745 cd_to_toplevel
747 eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
748 # Get modified modules cared by user
749 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
750 sane_egrep '^:([0-7]* )?160000' |
751 while read -r mod_src mod_dst sha1_src sha1_dst status sm_path
752 do
753 # Always show modules deleted or type-changed (blob<->module)
754 if test "$status" = D || test "$status" = T
755 then
756 printf '%s\n' "$sm_path"
757 continue
758 fi
759 # Respect the ignore setting for --for-status.
760 if test -n "$for_status"
761 then
762 name=$(git submodule--helper name "$sm_path")
763 ignore_config=$(get_submodule_config "$name" ignore none)
764 test $status != A && test $ignore_config = all && continue
765 fi
766 # Also show added or modified modules which are checked out
767 GIT_DIR="$sm_path/.git" git rev-parse --git-dir >/dev/null 2>&1 &&
768 printf '%s\n' "$sm_path"
769 done
770 )
771 test -z "$modules" && return
773 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
775 sane_egrep '^:([0-7]* )?160000' |
776 cut -c2- |
777 while read -r mod_src mod_dst sha1_src sha1_dst status name
778 do
779 if test -z "$cached" &&
780 test $sha1_dst = 0000000000000000000000000000000000000000
781 then
782 case "$mod_dst" in
783 160000)
784 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
785 ;;
786 100644 | 100755 | 120000)
787 sha1_dst=$(git hash-object $name)
788 ;;
789 000000)
790 ;; # removed
791 *)
792 # unexpected type
793 eval_gettextln "unexpected mode \$mod_dst" >&2
794 continue ;;
795 esac
796 fi
797 missing_src=
798 missing_dst=
799 test $mod_src = 160000 &&
801 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_src^0 >/dev/null &&
802 missing_src=t
803 test $mod_dst = 160000 &&
805 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_dst^0 >/dev/null &&
806 missing_dst=t
807 display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
809 total_commits=
811 case "$missing_src,$missing_dst" in
812 t,)
813 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")"
814 ;;
815 ,t)
816 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")"
817 ;;
818 t,t)
819 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")"
820 ;;
821 *)
822 errmsg=
823 total_commits=$(
824 if test $mod_src = 160000 && test $mod_dst = 160000
825 then
826 range="$sha1_src...$sha1_dst"
827 elif test $mod_src = 160000
828 then
829 range=$sha1_src
830 else
831 range=$sha1_dst
832 fi
833 GIT_DIR="$name/.git" \
834 git rev-list --first-parent $range -- | wc -l
835 )
836 total_commits=" ($(($total_commits + 0)))"
837 ;;
838 esac
839 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
841 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
842 if test $status = T
843 then
844 blob="$(gettext "blob")"
845 submodule="$(gettext "submodule")"
846 if test $mod_dst = 160000
847 then
848 echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
849 else
850 echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
851 fi
852 else
853 echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
854 fi
855 if test -n "$errmsg"
856 then
857 # Don't give error msg for modification whose dst is not submodule
858 # i.e. deleted or changed to blob
859 test $mod_dst = 160000 && echo "$errmsg"
860 else
861 if test $mod_src = 160000 && test $mod_dst = 160000
862 then
863 limit=
864 test $summary_limit -gt 0 && limit="-$summary_limit"
865 GIT_DIR="$name/.git" \
866 git log $limit --pretty='format: %m %s' \
867 --first-parent $sha1_src...$sha1_dst
868 elif test $mod_dst = 160000
869 then
870 GIT_DIR="$name/.git" \
871 git log --pretty='format: > %s' -1 $sha1_dst
872 else
873 GIT_DIR="$name/.git" \
874 git log --pretty='format: < %s' -1 $sha1_src
875 fi
876 echo
877 fi
878 echo
879 done
880}
881#
882# List all submodules, prefixed with:
883# - submodule not initialized
884# + different revision checked out
885#
886# If --cached was specified the revision in the index will be printed
887# instead of the currently checked out revision.
888#
889# $@ = requested paths (default to all)
890#
891cmd_status()
892{
893 # parse $args after "submodule ... status".
894 while test $# -ne 0
895 do
896 case "$1" in
897 -q|--quiet)
898 GIT_QUIET=1
899 ;;
900 --cached)
901 cached=1
902 ;;
903 --recursive)
904 recursive=1
905 ;;
906 --)
907 shift
908 break
909 ;;
910 -*)
911 usage
912 ;;
913 *)
914 break
915 ;;
916 esac
917 shift
918 done
919 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} "$@"
921}
922#
923# Sync remote urls for submodules
924# This makes the value for remote.$remote.url match the value
925# specified in .gitmodules.
926#
927cmd_sync()
928{
929 while test $# -ne 0
930 do
931 case "$1" in
932 -q|--quiet)
933 GIT_QUIET=1
934 shift
935 ;;
936 --recursive)
937 recursive=1
938 shift
939 ;;
940 --)
941 shift
942 break
943 ;;
944 -*)
945 usage
946 ;;
947 *)
948 break
949 ;;
950 esac
951 done
952 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
954}
955cmd_absorbgitdirs()
957{
958 git submodule--helper absorb-git-dirs --prefix "$wt_prefix" "$@"
959}
960# This loop parses the command line arguments to find the
962# subcommand name to dispatch. Parsing of the subcommand specific
963# options are primarily done by the subcommand implementations.
964# Subcommand specific options such as --branch and --cached are
965# parsed here as well, for backward compatibility.
966while test $# != 0 && test -z "$command"
968do
969 case "$1" in
970 add | foreach | init | deinit | update | status | summary | sync | absorbgitdirs)
971 command=$1
972 ;;
973 -q|--quiet)
974 GIT_QUIET=1
975 ;;
976 -b|--branch)
977 case "$2" in
978 '')
979 usage
980 ;;
981 esac
982 branch="$2"; shift
983 ;;
984 --cached)
985 cached="$1"
986 ;;
987 --)
988 break
989 ;;
990 -*)
991 usage
992 ;;
993 *)
994 break
995 ;;
996 esac
997 shift
998done
999# No command word defaults to "status"
1001if test -z "$command"
1002then
1003 if test $# = 0
1004 then
1005 command=status
1006 else
1007 usage
1008 fi
1009fi
1010# "-b branch" is accepted only by "add"
1012if test -n "$branch" && test "$command" != add
1013then
1014 usage
1015fi
1016# "--cached" is accepted only by "status" and "summary"
1018if test -n "$cached" && test "$command" != status && test "$command" != summary
1019then
1020 usage
1021fi
1022"cmd_$command" "$@"