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" $?
535 } | {
536 err=
537 while read -r quickabort sha1 just_cloned sm_path
538 do
539 die_if_unmatched "$quickabort" "$sha1"
540 git submodule--helper ensure-core-worktree "$sm_path"
542 update_module=$(git submodule--helper update-module-mode $just_cloned "$sm_path" $update)
544 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
546 if test $just_cloned -eq 1
548 then
549 subsha1=
550 else
551 subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
552 git rev-parse --verify HEAD) ||
553 die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
554 fi
555 if test -n "$remote"
557 then
558 branch=$(git submodule--helper remote-branch "$sm_path")
559 if test -z "$nofetch"
560 then
561 # Fetch remote before determining tracking $sha1
562 fetch_in_submodule "$sm_path" $depth ||
563 die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
564 fi
565 remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote)
566 sha1=$(sanitize_submodule_env; cd "$sm_path" &&
567 git rev-parse --verify "${remote_name}/${branch}") ||
568 die "$(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")"
569 fi
570 if test "$subsha1" != "$sha1" || test -n "$force"
572 then
573 subforce=$force
574 # If we don't already have a -f flag and the submodule has never been checked out
575 if test -z "$subsha1" && test -z "$force"
576 then
577 subforce="-f"
578 fi
579 if test -z "$nofetch"
581 then
582 # Run fetch only if $sha1 isn't present or it
583 # is not reachable from a ref.
584 is_tip_reachable "$sm_path" "$sha1" ||
585 fetch_in_submodule "$sm_path" $depth ||
586 say "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
587 # Now we tried the usual fetch, but $sha1 may
589 # not be reachable from any of the refs
590 is_tip_reachable "$sm_path" "$sha1" ||
591 fetch_in_submodule "$sm_path" $depth "$sha1" ||
592 die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
593 fi
594 must_die_on_failure=
596 case "$update_module" in
597 checkout)
598 command="git checkout $subforce -q"
599 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
600 say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
601 ;;
602 rebase)
603 command="git rebase"
604 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
605 say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
606 must_die_on_failure=yes
607 ;;
608 merge)
609 command="git merge"
610 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
611 say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
612 must_die_on_failure=yes
613 ;;
614 !*)
615 command="${update_module#!}"
616 die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
617 say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
618 must_die_on_failure=yes
619 ;;
620 *)
621 die "$(eval_gettext "Invalid update mode '$update_module' for submodule path '$path'")"
622 esac
623 if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
625 then
626 say "$say_msg"
627 elif test -n "$must_die_on_failure"
628 then
629 die_with_status 2 "$die_msg"
630 else
631 err="${err};$die_msg"
632 continue
633 fi
634 fi
635 if test -n "$recursive"
637 then
638 (
639 prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix")
640 wt_prefix=
641 sanitize_submodule_env
642 cd "$sm_path" &&
643 eval cmd_update
644 )
645 res=$?
646 if test $res -gt 0
647 then
648 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")"
649 if test $res -ne 2
650 then
651 err="${err};$die_msg"
652 continue
653 else
654 die_with_status $res "$die_msg"
655 fi
656 fi
657 fi
658 done
659 if test -n "$err"
661 then
662 OIFS=$IFS
663 IFS=';'
664 for e in $err
665 do
666 if test -n "$e"
667 then
668 echo >&2 "$e"
669 fi
670 done
671 IFS=$OIFS
672 exit 1
673 fi
674 }
675}
676#
678# Show commit summary for submodules in index or working tree
679#
680# If '--cached' is given, show summary between index and given commit,
681# or between working tree and given commit
682#
683# $@ = [commit (default 'HEAD'),] requested paths (default all)
684#
685cmd_summary() {
686 summary_limit=-1
687 for_status=
688 diff_cmd=diff-index
689 # parse $args after "submodule ... summary".
691 while test $# -ne 0
692 do
693 case "$1" in
694 --cached)
695 cached="$1"
696 ;;
697 --files)
698 files="$1"
699 ;;
700 --for-status)
701 for_status="$1"
702 ;;
703 -n|--summary-limit)
704 summary_limit="$2"
705 isnumber "$summary_limit" || usage
706 shift
707 ;;
708 --summary-limit=*)
709 summary_limit="${1#--summary-limit=}"
710 isnumber "$summary_limit" || usage
711 ;;
712 --)
713 shift
714 break
715 ;;
716 -*)
717 usage
718 ;;
719 *)
720 break
721 ;;
722 esac
723 shift
724 done
725 test $summary_limit = 0 && return
727 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
729 then
730 head=$rev
731 test $# = 0 || shift
732 elif test -z "$1" || test "$1" = "HEAD"
733 then
734 # before the first commit: compare with an empty tree
735 head=$(git hash-object -w -t tree --stdin </dev/null)
736 test -z "$1" || shift
737 else
738 head="HEAD"
739 fi
740 if [ -n "$files" ]
742 then
743 test -n "$cached" &&
744 die "$(gettext "The --cached option cannot be used with the --files option")"
745 diff_cmd=diff-files
746 head=
747 fi
748 cd_to_toplevel
750 eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
751 # Get modified modules cared by user
752 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
753 sane_egrep '^:([0-7]* )?160000' |
754 while read -r mod_src mod_dst sha1_src sha1_dst status sm_path
755 do
756 # Always show modules deleted or type-changed (blob<->module)
757 if test "$status" = D || test "$status" = T
758 then
759 printf '%s\n' "$sm_path"
760 continue
761 fi
762 # Respect the ignore setting for --for-status.
763 if test -n "$for_status"
764 then
765 name=$(git submodule--helper name "$sm_path")
766 ignore_config=$(get_submodule_config "$name" ignore none)
767 test $status != A && test $ignore_config = all && continue
768 fi
769 # Also show added or modified modules which are checked out
770 GIT_DIR="$sm_path/.git" git rev-parse --git-dir >/dev/null 2>&1 &&
771 printf '%s\n' "$sm_path"
772 done
773 )
774 test -z "$modules" && return
776 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
778 sane_egrep '^:([0-7]* )?160000' |
779 cut -c2- |
780 while read -r mod_src mod_dst sha1_src sha1_dst status name
781 do
782 if test -z "$cached" &&
783 test $sha1_dst = 0000000000000000000000000000000000000000
784 then
785 case "$mod_dst" in
786 160000)
787 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
788 ;;
789 100644 | 100755 | 120000)
790 sha1_dst=$(git hash-object $name)
791 ;;
792 000000)
793 ;; # removed
794 *)
795 # unexpected type
796 eval_gettextln "unexpected mode \$mod_dst" >&2
797 continue ;;
798 esac
799 fi
800 missing_src=
801 missing_dst=
802 test $mod_src = 160000 &&
804 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_src^0 >/dev/null &&
805 missing_src=t
806 test $mod_dst = 160000 &&
808 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_dst^0 >/dev/null &&
809 missing_dst=t
810 display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
812 total_commits=
814 case "$missing_src,$missing_dst" in
815 t,)
816 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")"
817 ;;
818 ,t)
819 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")"
820 ;;
821 t,t)
822 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")"
823 ;;
824 *)
825 errmsg=
826 total_commits=$(
827 if test $mod_src = 160000 && test $mod_dst = 160000
828 then
829 range="$sha1_src...$sha1_dst"
830 elif test $mod_src = 160000
831 then
832 range=$sha1_src
833 else
834 range=$sha1_dst
835 fi
836 GIT_DIR="$name/.git" \
837 git rev-list --first-parent $range -- | wc -l
838 )
839 total_commits=" ($(($total_commits + 0)))"
840 ;;
841 esac
842 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
844 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
845 if test $status = T
846 then
847 blob="$(gettext "blob")"
848 submodule="$(gettext "submodule")"
849 if test $mod_dst = 160000
850 then
851 echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
852 else
853 echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
854 fi
855 else
856 echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
857 fi
858 if test -n "$errmsg"
859 then
860 # Don't give error msg for modification whose dst is not submodule
861 # i.e. deleted or changed to blob
862 test $mod_dst = 160000 && echo "$errmsg"
863 else
864 if test $mod_src = 160000 && test $mod_dst = 160000
865 then
866 limit=
867 test $summary_limit -gt 0 && limit="-$summary_limit"
868 GIT_DIR="$name/.git" \
869 git log $limit --pretty='format: %m %s' \
870 --first-parent $sha1_src...$sha1_dst
871 elif test $mod_dst = 160000
872 then
873 GIT_DIR="$name/.git" \
874 git log --pretty='format: > %s' -1 $sha1_dst
875 else
876 GIT_DIR="$name/.git" \
877 git log --pretty='format: < %s' -1 $sha1_src
878 fi
879 echo
880 fi
881 echo
882 done
883}
884#
885# List all submodules, prefixed with:
886# - submodule not initialized
887# + different revision checked out
888#
889# If --cached was specified the revision in the index will be printed
890# instead of the currently checked out revision.
891#
892# $@ = requested paths (default to all)
893#
894cmd_status()
895{
896 # parse $args after "submodule ... status".
897 while test $# -ne 0
898 do
899 case "$1" in
900 -q|--quiet)
901 GIT_QUIET=1
902 ;;
903 --cached)
904 cached=1
905 ;;
906 --recursive)
907 recursive=1
908 ;;
909 --)
910 shift
911 break
912 ;;
913 -*)
914 usage
915 ;;
916 *)
917 break
918 ;;
919 esac
920 shift
921 done
922 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} "$@"
924}
925#
926# Sync remote urls for submodules
927# This makes the value for remote.$remote.url match the value
928# specified in .gitmodules.
929#
930cmd_sync()
931{
932 while test $# -ne 0
933 do
934 case "$1" in
935 -q|--quiet)
936 GIT_QUIET=1
937 shift
938 ;;
939 --recursive)
940 recursive=1
941 shift
942 ;;
943 --)
944 shift
945 break
946 ;;
947 -*)
948 usage
949 ;;
950 *)
951 break
952 ;;
953 esac
954 done
955 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
957}
958cmd_absorbgitdirs()
960{
961 git submodule--helper absorb-git-dirs --prefix "$wt_prefix" "$@"
962}
963# This loop parses the command line arguments to find the
965# subcommand name to dispatch. Parsing of the subcommand specific
966# options are primarily done by the subcommand implementations.
967# Subcommand specific options such as --branch and --cached are
968# parsed here as well, for backward compatibility.
969while test $# != 0 && test -z "$command"
971do
972 case "$1" in
973 add | foreach | init | deinit | update | status | summary | sync | absorbgitdirs)
974 command=$1
975 ;;
976 -q|--quiet)
977 GIT_QUIET=1
978 ;;
979 -b|--branch)
980 case "$2" in
981 '')
982 usage
983 ;;
984 esac
985 branch="$2"; shift
986 ;;
987 --cached)
988 cached="$1"
989 ;;
990 --)
991 break
992 ;;
993 -*)
994 usage
995 ;;
996 *)
997 break
998 ;;
999 esac
1000 shift
1001done
1002# No command word defaults to "status"
1004if test -z "$command"
1005then
1006 if test $# = 0
1007 then
1008 command=status
1009 else
1010 usage
1011 fi
1012fi
1013# "-b branch" is accepted only by "add"
1015if test -n "$branch" && test "$command" != add
1016then
1017 usage
1018fi
1019# "--cached" is accepted only by "status" and "summary"
1021if test -n "$cached" && test "$command" != status && test "$command" != summary
1022then
1023 usage
1024fi
1025"cmd_$command" "$@"