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 -v)
442 GIT_QUIET=0
443 ;;
444 --progress)
445 progress=1
446 ;;
447 -i|--init)
448 init=1
449 ;;
450 --remote)
451 remote=1
452 ;;
453 -N|--no-fetch)
454 nofetch=1
455 ;;
456 -f|--force)
457 force=$1
458 ;;
459 -r|--rebase)
460 update="rebase"
461 ;;
462 --reference)
463 case "$2" in '') usage ;; esac
464 reference="--reference=$2"
465 shift
466 ;;
467 --reference=*)
468 reference="$1"
469 ;;
470 --dissociate)
471 dissociate=1
472 ;;
473 -m|--merge)
474 update="merge"
475 ;;
476 --recursive)
477 recursive=1
478 ;;
479 --checkout)
480 update="checkout"
481 ;;
482 --recommend-shallow)
483 recommend_shallow="--recommend-shallow"
484 ;;
485 --no-recommend-shallow)
486 recommend_shallow="--no-recommend-shallow"
487 ;;
488 --depth)
489 case "$2" in '') usage ;; esac
490 depth="--depth=$2"
491 shift
492 ;;
493 --depth=*)
494 depth=$1
495 ;;
496 -j|--jobs)
497 case "$2" in '') usage ;; esac
498 jobs="--jobs=$2"
499 shift
500 ;;
501 --jobs=*)
502 jobs=$1
503 ;;
504 --)
505 shift
506 break
507 ;;
508 -*)
509 usage
510 ;;
511 *)
512 break
513 ;;
514 esac
515 shift
516 done
517 if test -n "$init"
519 then
520 cmd_init "--" "$@" || return
521 fi
522 {
524 git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
525 ${progress:+"--progress"} \
526 ${wt_prefix:+--prefix "$wt_prefix"} \
527 ${prefix:+--recursive-prefix "$prefix"} \
528 ${update:+--update "$update"} \
529 ${reference:+"$reference"} \
530 ${dissociate:+"--dissociate"} \
531 ${depth:+--depth "$depth"} \
532 $recommend_shallow \
533 $jobs \
534 "$@" || echo "#unmatched" $?
535 } | {
536 err=
537 while read -r mode sha1 stage just_cloned sm_path
538 do
539 die_if_unmatched "$mode" "$sha1"
540 name=$(git submodule--helper name "$sm_path") || exit
542 if ! test -z "$update"
543 then
544 update_module=$update
545 else
546 update_module=$(git config submodule."$name".update)
547 if test -z "$update_module"
548 then
549 update_module="checkout"
550 fi
551 fi
552 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
554 if test $just_cloned -eq 1
556 then
557 subsha1=
558 case "$update_module" in
559 merge | rebase | none)
560 update_module=checkout ;;
561 esac
562 else
563 subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
564 git rev-parse --verify HEAD) ||
565 die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
566 fi
567 if test -n "$remote"
569 then
570 branch=$(git submodule--helper remote-branch "$sm_path")
571 if test -z "$nofetch"
572 then
573 # Fetch remote before determining tracking $sha1
574 fetch_in_submodule "$sm_path" $depth ||
575 die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
576 fi
577 remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote)
578 sha1=$(sanitize_submodule_env; cd "$sm_path" &&
579 git rev-parse --verify "${remote_name}/${branch}") ||
580 die "$(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")"
581 fi
582 if test "$subsha1" != "$sha1" || test -n "$force"
584 then
585 subforce=$force
586 # If we don't already have a -f flag and the submodule has never been checked out
587 if test -z "$subsha1" && test -z "$force"
588 then
589 subforce="-f"
590 fi
591 if test -z "$nofetch"
593 then
594 # Run fetch only if $sha1 isn't present or it
595 # is not reachable from a ref.
596 is_tip_reachable "$sm_path" "$sha1" ||
597 fetch_in_submodule "$sm_path" $depth ||
598 say "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
599 # Now we tried the usual fetch, but $sha1 may
601 # not be reachable from any of the refs
602 is_tip_reachable "$sm_path" "$sha1" ||
603 fetch_in_submodule "$sm_path" $depth "$sha1" ||
604 die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
605 fi
606 must_die_on_failure=
608 case "$update_module" in
609 checkout)
610 command="git checkout $subforce -q"
611 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
612 say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
613 ;;
614 rebase)
615 command="git rebase"
616 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
617 say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
618 must_die_on_failure=yes
619 ;;
620 merge)
621 command="git merge"
622 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
623 say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
624 must_die_on_failure=yes
625 ;;
626 !*)
627 command="${update_module#!}"
628 die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
629 say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
630 must_die_on_failure=yes
631 ;;
632 *)
633 die "$(eval_gettext "Invalid update mode '$update_module' for submodule '$name'")"
634 esac
635 if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
637 then
638 say "$say_msg"
639 elif test -n "$must_die_on_failure"
640 then
641 die_with_status 2 "$die_msg"
642 else
643 err="${err};$die_msg"
644 continue
645 fi
646 fi
647 if test -n "$recursive"
649 then
650 (
651 prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix")
652 wt_prefix=
653 sanitize_submodule_env
654 cd "$sm_path" &&
655 eval cmd_update
656 )
657 res=$?
658 if test $res -gt 0
659 then
660 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")"
661 if test $res -ne 2
662 then
663 err="${err};$die_msg"
664 continue
665 else
666 die_with_status $res "$die_msg"
667 fi
668 fi
669 fi
670 done
671 if test -n "$err"
673 then
674 OIFS=$IFS
675 IFS=';'
676 for e in $err
677 do
678 if test -n "$e"
679 then
680 echo >&2 "$e"
681 fi
682 done
683 IFS=$OIFS
684 exit 1
685 fi
686 }
687}
688#
690# Show commit summary for submodules in index or working tree
691#
692# If '--cached' is given, show summary between index and given commit,
693# or between working tree and given commit
694#
695# $@ = [commit (default 'HEAD'),] requested paths (default all)
696#
697cmd_summary() {
698 summary_limit=-1
699 for_status=
700 diff_cmd=diff-index
701 # parse $args after "submodule ... summary".
703 while test $# -ne 0
704 do
705 case "$1" in
706 --cached)
707 cached="$1"
708 ;;
709 --files)
710 files="$1"
711 ;;
712 --for-status)
713 for_status="$1"
714 ;;
715 -n|--summary-limit)
716 summary_limit="$2"
717 isnumber "$summary_limit" || usage
718 shift
719 ;;
720 --summary-limit=*)
721 summary_limit="${1#--summary-limit=}"
722 isnumber "$summary_limit" || usage
723 ;;
724 --)
725 shift
726 break
727 ;;
728 -*)
729 usage
730 ;;
731 *)
732 break
733 ;;
734 esac
735 shift
736 done
737 test $summary_limit = 0 && return
739 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
741 then
742 head=$rev
743 test $# = 0 || shift
744 elif test -z "$1" || test "$1" = "HEAD"
745 then
746 # before the first commit: compare with an empty tree
747 head=$(git hash-object -w -t tree --stdin </dev/null)
748 test -z "$1" || shift
749 else
750 head="HEAD"
751 fi
752 if [ -n "$files" ]
754 then
755 test -n "$cached" &&
756 die "$(gettext "The --cached option cannot be used with the --files option")"
757 diff_cmd=diff-files
758 head=
759 fi
760 cd_to_toplevel
762 eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
763 # Get modified modules cared by user
764 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
765 sane_egrep '^:([0-7]* )?160000' |
766 while read -r mod_src mod_dst sha1_src sha1_dst status sm_path
767 do
768 # Always show modules deleted or type-changed (blob<->module)
769 if test "$status" = D || test "$status" = T
770 then
771 printf '%s\n' "$sm_path"
772 continue
773 fi
774 # Respect the ignore setting for --for-status.
775 if test -n "$for_status"
776 then
777 name=$(git submodule--helper name "$sm_path")
778 ignore_config=$(get_submodule_config "$name" ignore none)
779 test $status != A && test $ignore_config = all && continue
780 fi
781 # Also show added or modified modules which are checked out
782 GIT_DIR="$sm_path/.git" git rev-parse --git-dir >/dev/null 2>&1 &&
783 printf '%s\n' "$sm_path"
784 done
785 )
786 test -z "$modules" && return
788 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
790 sane_egrep '^:([0-7]* )?160000' |
791 cut -c2- |
792 while read -r mod_src mod_dst sha1_src sha1_dst status name
793 do
794 if test -z "$cached" &&
795 test $sha1_dst = 0000000000000000000000000000000000000000
796 then
797 case "$mod_dst" in
798 160000)
799 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
800 ;;
801 100644 | 100755 | 120000)
802 sha1_dst=$(git hash-object $name)
803 ;;
804 000000)
805 ;; # removed
806 *)
807 # unexpected type
808 eval_gettextln "unexpected mode \$mod_dst" >&2
809 continue ;;
810 esac
811 fi
812 missing_src=
813 missing_dst=
814 test $mod_src = 160000 &&
816 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_src^0 >/dev/null &&
817 missing_src=t
818 test $mod_dst = 160000 &&
820 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_dst^0 >/dev/null &&
821 missing_dst=t
822 display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
824 total_commits=
826 case "$missing_src,$missing_dst" in
827 t,)
828 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")"
829 ;;
830 ,t)
831 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")"
832 ;;
833 t,t)
834 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")"
835 ;;
836 *)
837 errmsg=
838 total_commits=$(
839 if test $mod_src = 160000 && test $mod_dst = 160000
840 then
841 range="$sha1_src...$sha1_dst"
842 elif test $mod_src = 160000
843 then
844 range=$sha1_src
845 else
846 range=$sha1_dst
847 fi
848 GIT_DIR="$name/.git" \
849 git rev-list --first-parent $range -- | wc -l
850 )
851 total_commits=" ($(($total_commits + 0)))"
852 ;;
853 esac
854 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
856 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
857 if test $status = T
858 then
859 blob="$(gettext "blob")"
860 submodule="$(gettext "submodule")"
861 if test $mod_dst = 160000
862 then
863 echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
864 else
865 echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
866 fi
867 else
868 echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
869 fi
870 if test -n "$errmsg"
871 then
872 # Don't give error msg for modification whose dst is not submodule
873 # i.e. deleted or changed to blob
874 test $mod_dst = 160000 && echo "$errmsg"
875 else
876 if test $mod_src = 160000 && test $mod_dst = 160000
877 then
878 limit=
879 test $summary_limit -gt 0 && limit="-$summary_limit"
880 GIT_DIR="$name/.git" \
881 git log $limit --pretty='format: %m %s' \
882 --first-parent $sha1_src...$sha1_dst
883 elif test $mod_dst = 160000
884 then
885 GIT_DIR="$name/.git" \
886 git log --pretty='format: > %s' -1 $sha1_dst
887 else
888 GIT_DIR="$name/.git" \
889 git log --pretty='format: < %s' -1 $sha1_src
890 fi
891 echo
892 fi
893 echo
894 done
895}
896#
897# List all submodules, prefixed with:
898# - submodule not initialized
899# + different revision checked out
900#
901# If --cached was specified the revision in the index will be printed
902# instead of the currently checked out revision.
903#
904# $@ = requested paths (default to all)
905#
906cmd_status()
907{
908 # parse $args after "submodule ... status".
909 while test $# -ne 0
910 do
911 case "$1" in
912 -q|--quiet)
913 GIT_QUIET=1
914 ;;
915 --cached)
916 cached=1
917 ;;
918 --recursive)
919 recursive=1
920 ;;
921 --)
922 shift
923 break
924 ;;
925 -*)
926 usage
927 ;;
928 *)
929 break
930 ;;
931 esac
932 shift
933 done
934 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} "$@"
936}
937#
938# Sync remote urls for submodules
939# This makes the value for remote.$remote.url match the value
940# specified in .gitmodules.
941#
942cmd_sync()
943{
944 while test $# -ne 0
945 do
946 case "$1" in
947 -q|--quiet)
948 GIT_QUIET=1
949 shift
950 ;;
951 --recursive)
952 recursive=1
953 shift
954 ;;
955 --)
956 shift
957 break
958 ;;
959 -*)
960 usage
961 ;;
962 *)
963 break
964 ;;
965 esac
966 done
967 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
969}
970cmd_absorbgitdirs()
972{
973 git submodule--helper absorb-git-dirs --prefix "$wt_prefix" "$@"
974}
975# This loop parses the command line arguments to find the
977# subcommand name to dispatch. Parsing of the subcommand specific
978# options are primarily done by the subcommand implementations.
979# Subcommand specific options such as --branch and --cached are
980# parsed here as well, for backward compatibility.
981while test $# != 0 && test -z "$command"
983do
984 case "$1" in
985 add | foreach | init | deinit | update | status | summary | sync | absorbgitdirs)
986 command=$1
987 ;;
988 -q|--quiet)
989 GIT_QUIET=1
990 ;;
991 -b|--branch)
992 case "$2" in
993 '')
994 usage
995 ;;
996 esac
997 branch="$2"; shift
998 ;;
999 --cached)
1000 cached="$1"
1001 ;;
1002 --)
1003 break
1004 ;;
1005 -*)
1006 usage
1007 ;;
1008 *)
1009 break
1010 ;;
1011 esac
1012 shift
1013done
1014# No command word defaults to "status"
1016if test -z "$command"
1017then
1018 if test $# = 0
1019 then
1020 command=status
1021 else
1022 usage
1023 fi
1024fi
1025# "-b branch" is accepted only by "add"
1027if test -n "$branch" && test "$command" != add
1028then
1029 usage
1030fi
1031# "--cached" is accepted only by "status" and "summary"
1033if test -n "$cached" && test "$command" != status && test "$command" != summary
1034then
1035 usage
1036fi
1037"cmd_$command" "$@"