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" "$sha1"
537 name=$(git submodule--helper name "$sm_path") || exit
539 if ! test -z "$update"
540 then
541 update_module=$update
542 else
543 update_module=$(git config submodule."$name".update)
544 if test -z "$update_module"
545 then
546 update_module="checkout"
547 fi
548 fi
549 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
551 if test $just_cloned -eq 1
553 then
554 subsha1=
555 case "$update_module" in
556 merge | rebase | none)
557 update_module=checkout ;;
558 esac
559 else
560 subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
561 git rev-parse --verify HEAD) ||
562 die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
563 fi
564 if test -n "$remote"
566 then
567 branch=$(git submodule--helper remote-branch "$sm_path")
568 if test -z "$nofetch"
569 then
570 # Fetch remote before determining tracking $sha1
571 fetch_in_submodule "$sm_path" $depth ||
572 die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
573 fi
574 remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote)
575 sha1=$(sanitize_submodule_env; cd "$sm_path" &&
576 git rev-parse --verify "${remote_name}/${branch}") ||
577 die "$(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")"
578 fi
579 if ! $(git config -f "$(git rev-parse --git-common-dir)/modules/$name/config" core.worktree) 2>/dev/null
581 then
582 git submodule--helper connect-gitdir-workingtree "$name" "$sm_path"
583 fi
584 if test "$subsha1" != "$sha1" || test -n "$force"
586 then
587 subforce=$force
588 # If we don't already have a -f flag and the submodule has never been checked out
589 if test -z "$subsha1" && test -z "$force"
590 then
591 subforce="-f"
592 fi
593 if test -z "$nofetch"
595 then
596 # Run fetch only if $sha1 isn't present or it
597 # is not reachable from a ref.
598 is_tip_reachable "$sm_path" "$sha1" ||
599 fetch_in_submodule "$sm_path" $depth ||
600 say "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
601 # Now we tried the usual fetch, but $sha1 may
603 # not be reachable from any of the refs
604 is_tip_reachable "$sm_path" "$sha1" ||
605 fetch_in_submodule "$sm_path" $depth "$sha1" ||
606 die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
607 fi
608 must_die_on_failure=
610 case "$update_module" in
611 checkout)
612 command="git checkout $subforce -q"
613 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
614 say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
615 ;;
616 rebase)
617 command="git rebase"
618 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
619 say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
620 must_die_on_failure=yes
621 ;;
622 merge)
623 command="git merge"
624 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
625 say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
626 must_die_on_failure=yes
627 ;;
628 !*)
629 command="${update_module#!}"
630 die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
631 say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
632 must_die_on_failure=yes
633 ;;
634 *)
635 die "$(eval_gettext "Invalid update mode '$update_module' for submodule path '$path'")"
636 esac
637 if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
639 then
640 say "$say_msg"
641 elif test -n "$must_die_on_failure"
642 then
643 die_with_status 2 "$die_msg"
644 else
645 err="${err};$die_msg"
646 continue
647 fi
648 fi
649 if test -n "$recursive"
651 then
652 (
653 prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix")
654 wt_prefix=
655 sanitize_submodule_env
656 cd "$sm_path" &&
657 eval cmd_update
658 )
659 res=$?
660 if test $res -gt 0
661 then
662 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")"
663 if test $res -ne 2
664 then
665 err="${err};$die_msg"
666 continue
667 else
668 die_with_status $res "$die_msg"
669 fi
670 fi
671 fi
672 done
673 if test -n "$err"
675 then
676 OIFS=$IFS
677 IFS=';'
678 for e in $err
679 do
680 if test -n "$e"
681 then
682 echo >&2 "$e"
683 fi
684 done
685 IFS=$OIFS
686 exit 1
687 fi
688 }
689}
690#
692# Show commit summary for submodules in index or working tree
693#
694# If '--cached' is given, show summary between index and given commit,
695# or between working tree and given commit
696#
697# $@ = [commit (default 'HEAD'),] requested paths (default all)
698#
699cmd_summary() {
700 summary_limit=-1
701 for_status=
702 diff_cmd=diff-index
703 # parse $args after "submodule ... summary".
705 while test $# -ne 0
706 do
707 case "$1" in
708 --cached)
709 cached="$1"
710 ;;
711 --files)
712 files="$1"
713 ;;
714 --for-status)
715 for_status="$1"
716 ;;
717 -n|--summary-limit)
718 summary_limit="$2"
719 isnumber "$summary_limit" || usage
720 shift
721 ;;
722 --summary-limit=*)
723 summary_limit="${1#--summary-limit=}"
724 isnumber "$summary_limit" || usage
725 ;;
726 --)
727 shift
728 break
729 ;;
730 -*)
731 usage
732 ;;
733 *)
734 break
735 ;;
736 esac
737 shift
738 done
739 test $summary_limit = 0 && return
741 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
743 then
744 head=$rev
745 test $# = 0 || shift
746 elif test -z "$1" || test "$1" = "HEAD"
747 then
748 # before the first commit: compare with an empty tree
749 head=$(git hash-object -w -t tree --stdin </dev/null)
750 test -z "$1" || shift
751 else
752 head="HEAD"
753 fi
754 if [ -n "$files" ]
756 then
757 test -n "$cached" &&
758 die "$(gettext "The --cached option cannot be used with the --files option")"
759 diff_cmd=diff-files
760 head=
761 fi
762 cd_to_toplevel
764 eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
765 # Get modified modules cared by user
766 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
767 sane_egrep '^:([0-7]* )?160000' |
768 while read -r mod_src mod_dst sha1_src sha1_dst status sm_path
769 do
770 # Always show modules deleted or type-changed (blob<->module)
771 if test "$status" = D || test "$status" = T
772 then
773 printf '%s\n' "$sm_path"
774 continue
775 fi
776 # Respect the ignore setting for --for-status.
777 if test -n "$for_status"
778 then
779 name=$(git submodule--helper name "$sm_path")
780 ignore_config=$(get_submodule_config "$name" ignore none)
781 test $status != A && test $ignore_config = all && continue
782 fi
783 # Also show added or modified modules which are checked out
784 GIT_DIR="$sm_path/.git" git rev-parse --git-dir >/dev/null 2>&1 &&
785 printf '%s\n' "$sm_path"
786 done
787 )
788 test -z "$modules" && return
790 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
792 sane_egrep '^:([0-7]* )?160000' |
793 cut -c2- |
794 while read -r mod_src mod_dst sha1_src sha1_dst status name
795 do
796 if test -z "$cached" &&
797 test $sha1_dst = 0000000000000000000000000000000000000000
798 then
799 case "$mod_dst" in
800 160000)
801 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
802 ;;
803 100644 | 100755 | 120000)
804 sha1_dst=$(git hash-object $name)
805 ;;
806 000000)
807 ;; # removed
808 *)
809 # unexpected type
810 eval_gettextln "unexpected mode \$mod_dst" >&2
811 continue ;;
812 esac
813 fi
814 missing_src=
815 missing_dst=
816 test $mod_src = 160000 &&
818 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_src^0 >/dev/null &&
819 missing_src=t
820 test $mod_dst = 160000 &&
822 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_dst^0 >/dev/null &&
823 missing_dst=t
824 display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
826 total_commits=
828 case "$missing_src,$missing_dst" in
829 t,)
830 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")"
831 ;;
832 ,t)
833 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")"
834 ;;
835 t,t)
836 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")"
837 ;;
838 *)
839 errmsg=
840 total_commits=$(
841 if test $mod_src = 160000 && test $mod_dst = 160000
842 then
843 range="$sha1_src...$sha1_dst"
844 elif test $mod_src = 160000
845 then
846 range=$sha1_src
847 else
848 range=$sha1_dst
849 fi
850 GIT_DIR="$name/.git" \
851 git rev-list --first-parent $range -- | wc -l
852 )
853 total_commits=" ($(($total_commits + 0)))"
854 ;;
855 esac
856 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
858 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
859 if test $status = T
860 then
861 blob="$(gettext "blob")"
862 submodule="$(gettext "submodule")"
863 if test $mod_dst = 160000
864 then
865 echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
866 else
867 echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
868 fi
869 else
870 echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
871 fi
872 if test -n "$errmsg"
873 then
874 # Don't give error msg for modification whose dst is not submodule
875 # i.e. deleted or changed to blob
876 test $mod_dst = 160000 && echo "$errmsg"
877 else
878 if test $mod_src = 160000 && test $mod_dst = 160000
879 then
880 limit=
881 test $summary_limit -gt 0 && limit="-$summary_limit"
882 GIT_DIR="$name/.git" \
883 git log $limit --pretty='format: %m %s' \
884 --first-parent $sha1_src...$sha1_dst
885 elif test $mod_dst = 160000
886 then
887 GIT_DIR="$name/.git" \
888 git log --pretty='format: > %s' -1 $sha1_dst
889 else
890 GIT_DIR="$name/.git" \
891 git log --pretty='format: < %s' -1 $sha1_src
892 fi
893 echo
894 fi
895 echo
896 done
897}
898#
899# List all submodules, prefixed with:
900# - submodule not initialized
901# + different revision checked out
902#
903# If --cached was specified the revision in the index will be printed
904# instead of the currently checked out revision.
905#
906# $@ = requested paths (default to all)
907#
908cmd_status()
909{
910 # parse $args after "submodule ... status".
911 while test $# -ne 0
912 do
913 case "$1" in
914 -q|--quiet)
915 GIT_QUIET=1
916 ;;
917 --cached)
918 cached=1
919 ;;
920 --recursive)
921 recursive=1
922 ;;
923 --)
924 shift
925 break
926 ;;
927 -*)
928 usage
929 ;;
930 *)
931 break
932 ;;
933 esac
934 shift
935 done
936 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} "$@"
938}
939#
940# Sync remote urls for submodules
941# This makes the value for remote.$remote.url match the value
942# specified in .gitmodules.
943#
944cmd_sync()
945{
946 while test $# -ne 0
947 do
948 case "$1" in
949 -q|--quiet)
950 GIT_QUIET=1
951 shift
952 ;;
953 --recursive)
954 recursive=1
955 shift
956 ;;
957 --)
958 shift
959 break
960 ;;
961 -*)
962 usage
963 ;;
964 *)
965 break
966 ;;
967 esac
968 done
969 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
971}
972cmd_absorbgitdirs()
974{
975 git submodule--helper absorb-git-dirs --prefix "$wt_prefix" "$@"
976}
977# This loop parses the command line arguments to find the
979# subcommand name to dispatch. Parsing of the subcommand specific
980# options are primarily done by the subcommand implementations.
981# Subcommand specific options such as --branch and --cached are
982# parsed here as well, for backward compatibility.
983while test $# != 0 && test -z "$command"
985do
986 case "$1" in
987 add | foreach | init | deinit | update | status | summary | sync | absorbgitdirs)
988 command=$1
989 ;;
990 -q|--quiet)
991 GIT_QUIET=1
992 ;;
993 -b|--branch)
994 case "$2" in
995 '')
996 usage
997 ;;
998 esac
999 branch="$2"; shift
1000 ;;
1001 --cached)
1002 cached="$1"
1003 ;;
1004 --)
1005 break
1006 ;;
1007 -*)
1008 usage
1009 ;;
1010 *)
1011 break
1012 ;;
1013 esac
1014 shift
1015done
1016# No command word defaults to "status"
1018if test -z "$command"
1019then
1020 if test $# = 0
1021 then
1022 command=status
1023 else
1024 usage
1025 fi
1026fi
1027# "-b branch" is accepted only by "add"
1029if test -n "$branch" && test "$command" != add
1030then
1031 usage
1032fi
1033# "--cached" is accepted only by "status" and "summary"
1035if test -n "$cached" && test "$command" != status && test "$command" != summary
1036then
1037 usage
1038fi
1039"cmd_$command" "$@"