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 "$(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")"
616 fi
617 if test "$subsha1" != "$sha1" || test -n "$force"
619 then
620 subforce=$force
621 # If we don't already have a -f flag and the submodule has never been checked out
622 if test -z "$subsha1" && test -z "$force"
623 then
624 subforce="-f"
625 fi
626 if test -z "$nofetch"
628 then
629 # Run fetch only if $sha1 isn't present or it
630 # is not reachable from a ref.
631 is_tip_reachable "$sm_path" "$sha1" ||
632 fetch_in_submodule "$sm_path" $depth ||
633 say "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
634 # Now we tried the usual fetch, but $sha1 may
636 # not be reachable from any of the refs
637 is_tip_reachable "$sm_path" "$sha1" ||
638 fetch_in_submodule "$sm_path" $depth "$sha1" ||
639 die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
640 fi
641 must_die_on_failure=
643 case "$update_module" in
644 checkout)
645 command="git checkout $subforce -q"
646 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
647 say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
648 ;;
649 rebase)
650 command="git rebase"
651 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
652 say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
653 must_die_on_failure=yes
654 ;;
655 merge)
656 command="git merge"
657 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
658 say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
659 must_die_on_failure=yes
660 ;;
661 !*)
662 command="${update_module#!}"
663 die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
664 say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
665 must_die_on_failure=yes
666 ;;
667 *)
668 die "$(eval_gettext "Invalid update mode '$update_module' for submodule '$name'")"
669 esac
670 if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
672 then
673 say "$say_msg"
674 elif test -n "$must_die_on_failure"
675 then
676 die_with_status 2 "$die_msg"
677 else
678 err="${err};$die_msg"
679 continue
680 fi
681 fi
682 if test -n "$recursive"
684 then
685 (
686 prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix")
687 wt_prefix=
688 sanitize_submodule_env
689 cd "$sm_path" &&
690 eval cmd_update
691 )
692 res=$?
693 if test $res -gt 0
694 then
695 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")"
696 if test $res -ne 2
697 then
698 err="${err};$die_msg"
699 continue
700 else
701 die_with_status $res "$die_msg"
702 fi
703 fi
704 fi
705 done
706 if test -n "$err"
708 then
709 OIFS=$IFS
710 IFS=';'
711 for e in $err
712 do
713 if test -n "$e"
714 then
715 echo >&2 "$e"
716 fi
717 done
718 IFS=$OIFS
719 exit 1
720 fi
721 }
722}
723#
725# Show commit summary for submodules in index or working tree
726#
727# If '--cached' is given, show summary between index and given commit,
728# or between working tree and given commit
729#
730# $@ = [commit (default 'HEAD'),] requested paths (default all)
731#
732cmd_summary() {
733 summary_limit=-1
734 for_status=
735 diff_cmd=diff-index
736 # parse $args after "submodule ... summary".
738 while test $# -ne 0
739 do
740 case "$1" in
741 --cached)
742 cached="$1"
743 ;;
744 --files)
745 files="$1"
746 ;;
747 --for-status)
748 for_status="$1"
749 ;;
750 -n|--summary-limit)
751 summary_limit="$2"
752 isnumber "$summary_limit" || usage
753 shift
754 ;;
755 --summary-limit=*)
756 summary_limit="${1#--summary-limit=}"
757 isnumber "$summary_limit" || usage
758 ;;
759 --)
760 shift
761 break
762 ;;
763 -*)
764 usage
765 ;;
766 *)
767 break
768 ;;
769 esac
770 shift
771 done
772 test $summary_limit = 0 && return
774 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
776 then
777 head=$rev
778 test $# = 0 || shift
779 elif test -z "$1" || test "$1" = "HEAD"
780 then
781 # before the first commit: compare with an empty tree
782 head=$(git hash-object -w -t tree --stdin </dev/null)
783 test -z "$1" || shift
784 else
785 head="HEAD"
786 fi
787 if [ -n "$files" ]
789 then
790 test -n "$cached" &&
791 die "$(gettext "The --cached option cannot be used with the --files option")"
792 diff_cmd=diff-files
793 head=
794 fi
795 cd_to_toplevel
797 eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
798 # Get modified modules cared by user
799 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
800 sane_egrep '^:([0-7]* )?160000' |
801 while read -r mod_src mod_dst sha1_src sha1_dst status sm_path
802 do
803 # Always show modules deleted or type-changed (blob<->module)
804 if test "$status" = D || test "$status" = T
805 then
806 printf '%s\n' "$sm_path"
807 continue
808 fi
809 # Respect the ignore setting for --for-status.
810 if test -n "$for_status"
811 then
812 name=$(git submodule--helper name "$sm_path")
813 ignore_config=$(get_submodule_config "$name" ignore none)
814 test $status != A && test $ignore_config = all && continue
815 fi
816 # Also show added or modified modules which are checked out
817 GIT_DIR="$sm_path/.git" git rev-parse --git-dir >/dev/null 2>&1 &&
818 printf '%s\n' "$sm_path"
819 done
820 )
821 test -z "$modules" && return
823 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
825 sane_egrep '^:([0-7]* )?160000' |
826 cut -c2- |
827 while read -r mod_src mod_dst sha1_src sha1_dst status name
828 do
829 if test -z "$cached" &&
830 test $sha1_dst = 0000000000000000000000000000000000000000
831 then
832 case "$mod_dst" in
833 160000)
834 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
835 ;;
836 100644 | 100755 | 120000)
837 sha1_dst=$(git hash-object $name)
838 ;;
839 000000)
840 ;; # removed
841 *)
842 # unexpected type
843 eval_gettextln "unexpected mode \$mod_dst" >&2
844 continue ;;
845 esac
846 fi
847 missing_src=
848 missing_dst=
849 test $mod_src = 160000 &&
851 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_src^0 >/dev/null &&
852 missing_src=t
853 test $mod_dst = 160000 &&
855 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_dst^0 >/dev/null &&
856 missing_dst=t
857 display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
859 total_commits=
861 case "$missing_src,$missing_dst" in
862 t,)
863 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")"
864 ;;
865 ,t)
866 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")"
867 ;;
868 t,t)
869 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")"
870 ;;
871 *)
872 errmsg=
873 total_commits=$(
874 if test $mod_src = 160000 && test $mod_dst = 160000
875 then
876 range="$sha1_src...$sha1_dst"
877 elif test $mod_src = 160000
878 then
879 range=$sha1_src
880 else
881 range=$sha1_dst
882 fi
883 GIT_DIR="$name/.git" \
884 git rev-list --first-parent $range -- | wc -l
885 )
886 total_commits=" ($(($total_commits + 0)))"
887 ;;
888 esac
889 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
891 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
892 if test $status = T
893 then
894 blob="$(gettext "blob")"
895 submodule="$(gettext "submodule")"
896 if test $mod_dst = 160000
897 then
898 echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
899 else
900 echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
901 fi
902 else
903 echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
904 fi
905 if test -n "$errmsg"
906 then
907 # Don't give error msg for modification whose dst is not submodule
908 # i.e. deleted or changed to blob
909 test $mod_dst = 160000 && echo "$errmsg"
910 else
911 if test $mod_src = 160000 && test $mod_dst = 160000
912 then
913 limit=
914 test $summary_limit -gt 0 && limit="-$summary_limit"
915 GIT_DIR="$name/.git" \
916 git log $limit --pretty='format: %m %s' \
917 --first-parent $sha1_src...$sha1_dst
918 elif test $mod_dst = 160000
919 then
920 GIT_DIR="$name/.git" \
921 git log --pretty='format: > %s' -1 $sha1_dst
922 else
923 GIT_DIR="$name/.git" \
924 git log --pretty='format: < %s' -1 $sha1_src
925 fi
926 echo
927 fi
928 echo
929 done
930}
931#
932# List all submodules, prefixed with:
933# - submodule not initialized
934# + different revision checked out
935#
936# If --cached was specified the revision in the index will be printed
937# instead of the currently checked out revision.
938#
939# $@ = requested paths (default to all)
940#
941cmd_status()
942{
943 # parse $args after "submodule ... status".
944 while test $# -ne 0
945 do
946 case "$1" in
947 -q|--quiet)
948 GIT_QUIET=1
949 ;;
950 --cached)
951 cached=1
952 ;;
953 --recursive)
954 recursive=1
955 ;;
956 --)
957 shift
958 break
959 ;;
960 -*)
961 usage
962 ;;
963 *)
964 break
965 ;;
966 esac
967 shift
968 done
969 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} "$@"
971}
972#
973# Sync remote urls for submodules
974# This makes the value for remote.$remote.url match the value
975# specified in .gitmodules.
976#
977cmd_sync()
978{
979 while test $# -ne 0
980 do
981 case "$1" in
982 -q|--quiet)
983 GIT_QUIET=1
984 shift
985 ;;
986 --recursive)
987 recursive=1
988 shift
989 ;;
990 --)
991 shift
992 break
993 ;;
994 -*)
995 usage
996 ;;
997 *)
998 break
999 ;;
1000 esac
1001 done
1002 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
1004}
1005cmd_absorbgitdirs()
1007{
1008 git submodule--helper absorb-git-dirs --prefix "$wt_prefix" "$@"
1009}
1010# This loop parses the command line arguments to find the
1012# subcommand name to dispatch. Parsing of the subcommand specific
1013# options are primarily done by the subcommand implementations.
1014# Subcommand specific options such as --branch and --cached are
1015# parsed here as well, for backward compatibility.
1016while test $# != 0 && test -z "$command"
1018do
1019 case "$1" in
1020 add | foreach | init | deinit | update | status | summary | sync | absorbgitdirs)
1021 command=$1
1022 ;;
1023 -q|--quiet)
1024 GIT_QUIET=1
1025 ;;
1026 -b|--branch)
1027 case "$2" in
1028 '')
1029 usage
1030 ;;
1031 esac
1032 branch="$2"; shift
1033 ;;
1034 --cached)
1035 cached="$1"
1036 ;;
1037 --)
1038 break
1039 ;;
1040 -*)
1041 usage
1042 ;;
1043 *)
1044 break
1045 ;;
1046 esac
1047 shift
1048done
1049# No command word defaults to "status"
1051if test -z "$command"
1052then
1053 if test $# = 0
1054 then
1055 command=status
1056 else
1057 usage
1058 fi
1059fi
1060# "-b branch" is accepted only by "add"
1062if test -n "$branch" && test "$command" != add
1063then
1064 usage
1065fi
1066# "--cached" is accepted only by "status" and "summary"
1068if test -n "$cached" && test "$command" != status && test "$command" != summary
1069then
1070 usage
1071fi
1072"cmd_$command" "$@"