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 "$1" in
322 -q|--quiet)
323 GIT_QUIET=1
324 ;;
325 --recursive)
326 recursive=1
327 ;;
328 -*)
329 usage
330 ;;
331 *)
332 break
333 ;;
334 esac
335 shift
336 done
337 toplevel=$(pwd)
339 # dup stdin so that it can be restored when running the external
341 # command in the subshell (and a recursive call to this function)
342 exec 3<&0
343 {
345 git submodule--helper list --prefix "$wt_prefix" ||
346 echo "#unmatched" $?
347 } |
348 while read -r mode sha1 stage sm_path
349 do
350 die_if_unmatched "$mode" "$sha1"
351 if test -e "$sm_path"/.git
352 then
353 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
354 say "$(eval_gettext "Entering '\$displaypath'")"
355 name=$(git submodule--helper name "$sm_path")
356 (
357 prefix="$prefix$sm_path/"
358 sanitize_submodule_env
359 cd "$sm_path" &&
360 sm_path=$(git submodule--helper relative-path "$sm_path" "$wt_prefix") &&
361 # we make $path available to scripts ...
362 path=$sm_path &&
363 if test $# -eq 1
364 then
365 eval "$1"
366 else
367 "$@"
368 fi &&
369 if test -n "$recursive"
370 then
371 cmd_foreach "--recursive" "$@"
372 fi
373 ) <&3 3<&- ||
374 die "$(eval_gettext "Stopping at '\$displaypath'; script returned non-zero status.")"
375 fi
376 done
377}
378#
380# Register submodules in .git/config
381#
382# $@ = requested paths (default to all)
383#
384cmd_init()
385{
386 # parse $args after "submodule ... init".
387 while test $# -ne 0
388 do
389 case "$1" in
390 -q|--quiet)
391 GIT_QUIET=1
392 ;;
393 --)
394 shift
395 break
396 ;;
397 -*)
398 usage
399 ;;
400 *)
401 break
402 ;;
403 esac
404 shift
405 done
406 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper init ${GIT_QUIET:+--quiet} "$@"
408}
409#
411# Unregister submodules from .git/config and remove their work tree
412#
413cmd_deinit()
414{
415 # parse $args after "submodule ... deinit".
416 deinit_all=
417 while test $# -ne 0
418 do
419 case "$1" in
420 -f|--force)
421 force=$1
422 ;;
423 -q|--quiet)
424 GIT_QUIET=1
425 ;;
426 --all)
427 deinit_all=t
428 ;;
429 --)
430 shift
431 break
432 ;;
433 -*)
434 usage
435 ;;
436 *)
437 break
438 ;;
439 esac
440 shift
441 done
442 git ${wt_prefix:+-C "$wt_prefix"} submodule--helper deinit ${GIT_QUIET:+--quiet} ${prefix:+--prefix "$prefix"} ${force:+--force} ${deinit_all:+--all} "$@"
444}
445is_tip_reachable () (
447 sanitize_submodule_env &&
448 cd "$1" &&
449 rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) &&
450 test -z "$rev"
451)
452fetch_in_submodule () (
454 sanitize_submodule_env &&
455 cd "$1" &&
456 case "$2" in
457 '')
458 git fetch ;;
459 *)
460 shift
461 git fetch $(get_default_remote) "$@" ;;
462 esac
463)
464#
466# Update each submodule path to correct revision, using clone and checkout as needed
467#
468# $@ = requested paths (default to all)
469#
470cmd_update()
471{
472 # parse $args after "submodule ... update".
473 while test $# -ne 0
474 do
475 case "$1" in
476 -q|--quiet)
477 GIT_QUIET=1
478 ;;
479 --progress)
480 progress=1
481 ;;
482 -i|--init)
483 init=1
484 ;;
485 --remote)
486 remote=1
487 ;;
488 -N|--no-fetch)
489 nofetch=1
490 ;;
491 -f|--force)
492 force=$1
493 ;;
494 -r|--rebase)
495 update="rebase"
496 ;;
497 --reference)
498 case "$2" in '') usage ;; esac
499 reference="--reference=$2"
500 shift
501 ;;
502 --reference=*)
503 reference="$1"
504 ;;
505 --dissociate)
506 dissociate=1
507 ;;
508 -m|--merge)
509 update="merge"
510 ;;
511 --recursive)
512 recursive=1
513 ;;
514 --checkout)
515 update="checkout"
516 ;;
517 --recommend-shallow)
518 recommend_shallow="--recommend-shallow"
519 ;;
520 --no-recommend-shallow)
521 recommend_shallow="--no-recommend-shallow"
522 ;;
523 --depth)
524 case "$2" in '') usage ;; esac
525 depth="--depth=$2"
526 shift
527 ;;
528 --depth=*)
529 depth=$1
530 ;;
531 -j|--jobs)
532 case "$2" in '') usage ;; esac
533 jobs="--jobs=$2"
534 shift
535 ;;
536 --jobs=*)
537 jobs=$1
538 ;;
539 --)
540 shift
541 break
542 ;;
543 -*)
544 usage
545 ;;
546 *)
547 break
548 ;;
549 esac
550 shift
551 done
552 if test -n "$init"
554 then
555 cmd_init "--" "$@" || return
556 fi
557 {
559 git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
560 ${progress:+"--progress"} \
561 ${wt_prefix:+--prefix "$wt_prefix"} \
562 ${prefix:+--recursive-prefix "$prefix"} \
563 ${update:+--update "$update"} \
564 ${reference:+"$reference"} \
565 ${dissociate:+"--dissociate"} \
566 ${depth:+--depth "$depth"} \
567 $recommend_shallow \
568 $jobs \
569 "$@" || echo "#unmatched" $?
570 } | {
571 err=
572 while read -r mode sha1 stage just_cloned sm_path
573 do
574 die_if_unmatched "$mode" "$sha1"
575 name=$(git submodule--helper name "$sm_path") || exit
577 if ! test -z "$update"
578 then
579 update_module=$update
580 else
581 update_module=$(git config submodule."$name".update)
582 if test -z "$update_module"
583 then
584 update_module="checkout"
585 fi
586 fi
587 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
589 if test $just_cloned -eq 1
591 then
592 subsha1=
593 case "$update_module" in
594 merge | rebase | none)
595 update_module=checkout ;;
596 esac
597 else
598 subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
599 git rev-parse --verify HEAD) ||
600 die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
601 fi
602 if test -n "$remote"
604 then
605 branch=$(git submodule--helper remote-branch "$sm_path")
606 if test -z "$nofetch"
607 then
608 # Fetch remote before determining tracking $sha1
609 fetch_in_submodule "$sm_path" $depth ||
610 die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
611 fi
612 remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote)
613 sha1=$(sanitize_submodule_env; cd "$sm_path" &&
614 git rev-parse --verify "${remote_name}/${branch}") ||
615 die "$(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")"
616 fi
617 if ! $(git config -f "$(git rev-parse --git-common-dir)/modules/$name/config" core.worktree) 2>/dev/null
619 then
620 git submodule--helper connect-gitdir-workingtree "$name" "$sm_path"
621 fi
622 if test "$subsha1" != "$sha1" || test -n "$force"
624 then
625 subforce=$force
626 # If we don't already have a -f flag and the submodule has never been checked out
627 if test -z "$subsha1" && test -z "$force"
628 then
629 subforce="-f"
630 fi
631 if test -z "$nofetch"
633 then
634 # Run fetch only if $sha1 isn't present or it
635 # is not reachable from a ref.
636 is_tip_reachable "$sm_path" "$sha1" ||
637 fetch_in_submodule "$sm_path" $depth ||
638 say "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
639 # Now we tried the usual fetch, but $sha1 may
641 # not be reachable from any of the refs
642 is_tip_reachable "$sm_path" "$sha1" ||
643 fetch_in_submodule "$sm_path" $depth "$sha1" ||
644 die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
645 fi
646 must_die_on_failure=
648 case "$update_module" in
649 checkout)
650 command="git checkout $subforce -q"
651 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
652 say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
653 ;;
654 rebase)
655 command="git rebase"
656 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
657 say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
658 must_die_on_failure=yes
659 ;;
660 merge)
661 command="git merge"
662 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
663 say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
664 must_die_on_failure=yes
665 ;;
666 !*)
667 command="${update_module#!}"
668 die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
669 say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
670 must_die_on_failure=yes
671 ;;
672 *)
673 die "$(eval_gettext "Invalid update mode '$update_module' for submodule '$name'")"
674 esac
675 if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
677 then
678 say "$say_msg"
679 elif test -n "$must_die_on_failure"
680 then
681 die_with_status 2 "$die_msg"
682 else
683 err="${err};$die_msg"
684 continue
685 fi
686 fi
687 if test -n "$recursive"
689 then
690 (
691 prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix")
692 wt_prefix=
693 sanitize_submodule_env
694 cd "$sm_path" &&
695 eval cmd_update
696 )
697 res=$?
698 if test $res -gt 0
699 then
700 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")"
701 if test $res -ne 2
702 then
703 err="${err};$die_msg"
704 continue
705 else
706 die_with_status $res "$die_msg"
707 fi
708 fi
709 fi
710 done
711 if test -n "$err"
713 then
714 OIFS=$IFS
715 IFS=';'
716 for e in $err
717 do
718 if test -n "$e"
719 then
720 echo >&2 "$e"
721 fi
722 done
723 IFS=$OIFS
724 exit 1
725 fi
726 }
727}
728#
730# Show commit summary for submodules in index or working tree
731#
732# If '--cached' is given, show summary between index and given commit,
733# or between working tree and given commit
734#
735# $@ = [commit (default 'HEAD'),] requested paths (default all)
736#
737cmd_summary() {
738 summary_limit=-1
739 for_status=
740 diff_cmd=diff-index
741 # parse $args after "submodule ... summary".
743 while test $# -ne 0
744 do
745 case "$1" in
746 --cached)
747 cached="$1"
748 ;;
749 --files)
750 files="$1"
751 ;;
752 --for-status)
753 for_status="$1"
754 ;;
755 -n|--summary-limit)
756 summary_limit="$2"
757 isnumber "$summary_limit" || usage
758 shift
759 ;;
760 --summary-limit=*)
761 summary_limit="${1#--summary-limit=}"
762 isnumber "$summary_limit" || usage
763 ;;
764 --)
765 shift
766 break
767 ;;
768 -*)
769 usage
770 ;;
771 *)
772 break
773 ;;
774 esac
775 shift
776 done
777 test $summary_limit = 0 && return
779 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
781 then
782 head=$rev
783 test $# = 0 || shift
784 elif test -z "$1" || test "$1" = "HEAD"
785 then
786 # before the first commit: compare with an empty tree
787 head=$(git hash-object -w -t tree --stdin </dev/null)
788 test -z "$1" || shift
789 else
790 head="HEAD"
791 fi
792 if [ -n "$files" ]
794 then
795 test -n "$cached" &&
796 die "$(gettext "The --cached option cannot be used with the --files option")"
797 diff_cmd=diff-files
798 head=
799 fi
800 cd_to_toplevel
802 eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
803 # Get modified modules cared by user
804 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
805 sane_egrep '^:([0-7]* )?160000' |
806 while read -r mod_src mod_dst sha1_src sha1_dst status sm_path
807 do
808 # Always show modules deleted or type-changed (blob<->module)
809 if test "$status" = D || test "$status" = T
810 then
811 printf '%s\n' "$sm_path"
812 continue
813 fi
814 # Respect the ignore setting for --for-status.
815 if test -n "$for_status"
816 then
817 name=$(git submodule--helper name "$sm_path")
818 ignore_config=$(get_submodule_config "$name" ignore none)
819 test $status != A && test $ignore_config = all && continue
820 fi
821 # Also show added or modified modules which are checked out
822 GIT_DIR="$sm_path/.git" git rev-parse --git-dir >/dev/null 2>&1 &&
823 printf '%s\n' "$sm_path"
824 done
825 )
826 test -z "$modules" && return
828 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
830 sane_egrep '^:([0-7]* )?160000' |
831 cut -c2- |
832 while read -r mod_src mod_dst sha1_src sha1_dst status name
833 do
834 if test -z "$cached" &&
835 test $sha1_dst = 0000000000000000000000000000000000000000
836 then
837 case "$mod_dst" in
838 160000)
839 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
840 ;;
841 100644 | 100755 | 120000)
842 sha1_dst=$(git hash-object $name)
843 ;;
844 000000)
845 ;; # removed
846 *)
847 # unexpected type
848 eval_gettextln "unexpected mode \$mod_dst" >&2
849 continue ;;
850 esac
851 fi
852 missing_src=
853 missing_dst=
854 test $mod_src = 160000 &&
856 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_src^0 >/dev/null &&
857 missing_src=t
858 test $mod_dst = 160000 &&
860 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_dst^0 >/dev/null &&
861 missing_dst=t
862 display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
864 total_commits=
866 case "$missing_src,$missing_dst" in
867 t,)
868 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")"
869 ;;
870 ,t)
871 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")"
872 ;;
873 t,t)
874 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")"
875 ;;
876 *)
877 errmsg=
878 total_commits=$(
879 if test $mod_src = 160000 && test $mod_dst = 160000
880 then
881 range="$sha1_src...$sha1_dst"
882 elif test $mod_src = 160000
883 then
884 range=$sha1_src
885 else
886 range=$sha1_dst
887 fi
888 GIT_DIR="$name/.git" \
889 git rev-list --first-parent $range -- | wc -l
890 )
891 total_commits=" ($(($total_commits + 0)))"
892 ;;
893 esac
894 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
896 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
897 if test $status = T
898 then
899 blob="$(gettext "blob")"
900 submodule="$(gettext "submodule")"
901 if test $mod_dst = 160000
902 then
903 echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
904 else
905 echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
906 fi
907 else
908 echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
909 fi
910 if test -n "$errmsg"
911 then
912 # Don't give error msg for modification whose dst is not submodule
913 # i.e. deleted or changed to blob
914 test $mod_dst = 160000 && echo "$errmsg"
915 else
916 if test $mod_src = 160000 && test $mod_dst = 160000
917 then
918 limit=
919 test $summary_limit -gt 0 && limit="-$summary_limit"
920 GIT_DIR="$name/.git" \
921 git log $limit --pretty='format: %m %s' \
922 --first-parent $sha1_src...$sha1_dst
923 elif test $mod_dst = 160000
924 then
925 GIT_DIR="$name/.git" \
926 git log --pretty='format: > %s' -1 $sha1_dst
927 else
928 GIT_DIR="$name/.git" \
929 git log --pretty='format: < %s' -1 $sha1_src
930 fi
931 echo
932 fi
933 echo
934 done
935}
936#
937# List all submodules, prefixed with:
938# - submodule not initialized
939# + different revision checked out
940#
941# If --cached was specified the revision in the index will be printed
942# instead of the currently checked out revision.
943#
944# $@ = requested paths (default to all)
945#
946cmd_status()
947{
948 # parse $args after "submodule ... status".
949 while test $# -ne 0
950 do
951 case "$1" in
952 -q|--quiet)
953 GIT_QUIET=1
954 ;;
955 --cached)
956 cached=1
957 ;;
958 --recursive)
959 recursive=1
960 ;;
961 --)
962 shift
963 break
964 ;;
965 -*)
966 usage
967 ;;
968 *)
969 break
970 ;;
971 esac
972 shift
973 done
974 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} "$@"
976}
977#
978# Sync remote urls for submodules
979# This makes the value for remote.$remote.url match the value
980# specified in .gitmodules.
981#
982cmd_sync()
983{
984 while test $# -ne 0
985 do
986 case "$1" in
987 -q|--quiet)
988 GIT_QUIET=1
989 shift
990 ;;
991 --recursive)
992 recursive=1
993 shift
994 ;;
995 --)
996 shift
997 break
998 ;;
999 -*)
1000 usage
1001 ;;
1002 *)
1003 break
1004 ;;
1005 esac
1006 done
1007 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
1009}
1010cmd_absorbgitdirs()
1012{
1013 git submodule--helper absorb-git-dirs --prefix "$wt_prefix" "$@"
1014}
1015# This loop parses the command line arguments to find the
1017# subcommand name to dispatch. Parsing of the subcommand specific
1018# options are primarily done by the subcommand implementations.
1019# Subcommand specific options such as --branch and --cached are
1020# parsed here as well, for backward compatibility.
1021while test $# != 0 && test -z "$command"
1023do
1024 case "$1" in
1025 add | foreach | init | deinit | update | status | summary | sync | absorbgitdirs)
1026 command=$1
1027 ;;
1028 -q|--quiet)
1029 GIT_QUIET=1
1030 ;;
1031 -b|--branch)
1032 case "$2" in
1033 '')
1034 usage
1035 ;;
1036 esac
1037 branch="$2"; shift
1038 ;;
1039 --cached)
1040 cached="$1"
1041 ;;
1042 --)
1043 break
1044 ;;
1045 -*)
1046 usage
1047 ;;
1048 *)
1049 break
1050 ;;
1051 esac
1052 shift
1053done
1054# No command word defaults to "status"
1056if test -z "$command"
1057then
1058 if test $# = 0
1059 then
1060 command=status
1061 else
1062 usage
1063 fi
1064fi
1065# "-b branch" is accepted only by "add"
1067if test -n "$branch" && test "$command" != add
1068then
1069 usage
1070fi
1071# "--cached" is accepted only by "status" and "summary"
1073if test -n "$cached" && test "$command" != status && test "$command" != summary
1074then
1075 usage
1076fi
1077"cmd_$command" "$@"