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=
45die_if_unmatched ()
47{
48 if test "$1" = "#unmatched"
49 then
50 exit ${2:-1}
51 fi
52}
53#
55# Print a submodule configuration setting
56#
57# $1 = submodule name
58# $2 = option name
59# $3 = default value
60#
61# Checks in the usual git-config places first (for overrides),
62# otherwise it falls back on .gitmodules. This allows you to
63# distribute project-wide defaults in .gitmodules, while still
64# customizing individual repositories if necessary. If the option is
65# not in .gitmodules either, print a default value.
66#
67get_submodule_config () {
68 name="$1"
69 option="$2"
70 default="$3"
71 value=$(git config submodule."$name"."$option")
72 if test -z "$value"
73 then
74 value=$(git config -f .gitmodules submodule."$name"."$option")
75 fi
76 printf '%s' "${value:-$default}"
77}
78isnumber()
80{
81 n=$(($1 + 0)) 2>/dev/null && test "$n" = "$1"
82}
83# Sanitize the local git environment for use within a submodule. We
85# can't simply use clear_local_git_env since we want to preserve some
86# of the settings from GIT_CONFIG_PARAMETERS.
87sanitize_submodule_env()
88{
89 save_config=$GIT_CONFIG_PARAMETERS
90 clear_local_git_env
91 GIT_CONFIG_PARAMETERS=$save_config
92 export GIT_CONFIG_PARAMETERS
93}
94#
96# Add a new submodule to the working tree, .gitmodules and the index
97#
98# $@ = repo path
99#
100# optional branch is stored in global branch variable
101#
102cmd_add()
103{
104 # parse $args after "submodule ... add".
105 reference_path=
106 while test $# -ne 0
107 do
108 case "$1" in
109 -b | --branch)
110 case "$2" in '') usage ;; esac
111 branch=$2
112 shift
113 ;;
114 -f | --force)
115 force=$1
116 ;;
117 -q|--quiet)
118 GIT_QUIET=1
119 ;;
120 --reference)
121 case "$2" in '') usage ;; esac
122 reference_path=$2
123 shift
124 ;;
125 --reference=*)
126 reference_path="${1#--reference=}"
127 ;;
128 --name)
129 case "$2" in '') usage ;; esac
130 custom_name=$2
131 shift
132 ;;
133 --depth)
134 case "$2" in '') usage ;; esac
135 depth="--depth=$2"
136 shift
137 ;;
138 --depth=*)
139 depth=$1
140 ;;
141 --)
142 shift
143 break
144 ;;
145 -*)
146 usage
147 ;;
148 *)
149 break
150 ;;
151 esac
152 shift
153 done
154 if test -n "$reference_path"
156 then
157 is_absolute_path "$reference_path" ||
158 reference_path="$wt_prefix$reference_path"
159 reference="--reference=$reference_path"
161 fi
162 repo=$1
164 sm_path=$2
165 if test -z "$sm_path"; then
167 sm_path=$(printf '%s\n' "$repo" |
168 sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
169 fi
170 if test -z "$repo" || test -z "$sm_path"; then
172 usage
173 fi
174 is_absolute_path "$sm_path" || sm_path="$wt_prefix$sm_path"
176 # assure repo is absolute or relative to parent
178 case "$repo" in
179 ./*|../*)
180 test -z "$wt_prefix" ||
181 die "$(gettext "Relative path can only be used from the toplevel of the working tree")"
182 # dereference source url relative to parent's url
184 realrepo=$(git submodule--helper resolve-relative-url "$repo") || exit
185 ;;
186 *:*|/*)
187 # absolute url
188 realrepo=$repo
189 ;;
190 *)
191 die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")"
192 ;;
193 esac
194 # normalize path:
196 # multiple //; leading ./; /./; /../; trailing /
197 sm_path=$(printf '%s/\n' "$sm_path" |
198 sed -e '
199 s|//*|/|g
200 s|^\(\./\)*||
201 s|/\(\./\)*|/|g
202 :start
203 s|\([^/]*\)/\.\./||
204 tstart
205 s|/*$||
206 ')
207 if test -z "$force"
208 then
209 git ls-files --error-unmatch "$sm_path" > /dev/null 2>&1 &&
210 die "$(eval_gettext "'\$sm_path' already exists in the index")"
211 else
212 git ls-files -s "$sm_path" | sane_grep -v "^160000" > /dev/null 2>&1 &&
213 die "$(eval_gettext "'\$sm_path' already exists in the index and is not a submodule")"
214 fi
215 if test -z "$force" &&
217 ! git add --dry-run --ignore-missing --no-warn-embedded-repo "$sm_path" > /dev/null 2>&1
218 then
219 eval_gettextln "The following path is ignored by one of your .gitignore files:
220\$sm_path
221Use -f if you really want to add it." >&2
222 exit 1
223 fi
224 if test -n "$custom_name"
226 then
227 sm_name="$custom_name"
228 else
229 sm_name="$sm_path"
230 fi
231 # perhaps the path exists and is already a git repo, else clone it
233 if test -e "$sm_path"
234 then
235 if test -d "$sm_path"/.git || test -f "$sm_path"/.git
236 then
237 eval_gettextln "Adding existing repo at '\$sm_path' to the index"
238 else
239 die "$(eval_gettext "'\$sm_path' already exists and is not a valid git repo")"
240 fi
241 else
243 if test -d ".git/modules/$sm_name"
244 then
245 if test -z "$force"
246 then
247 eval_gettextln >&2 "A git directory for '\$sm_name' is found locally with remote(s):"
248 GIT_DIR=".git/modules/$sm_name" GIT_WORK_TREE=. git remote -v | grep '(fetch)' | sed -e s,^," ", -e s,' (fetch)',, >&2
249 die "$(eval_gettextln "\
250If you want to reuse this local git directory instead of cloning again from
251 \$realrepo
252use the '--force' option. If the local git directory is not the correct repo
253or you are unsure what this means choose another name with the '--name' option.")"
254 else
255 eval_gettextln "Reactivating local git directory for submodule '\$sm_name'."
256 fi
257 fi
258 git submodule--helper clone ${GIT_QUIET:+--quiet} --prefix "$wt_prefix" --path "$sm_path" --name "$sm_name" --url "$realrepo" ${reference:+"$reference"} ${depth:+"$depth"} || exit
259 (
260 sanitize_submodule_env
261 cd "$sm_path" &&
262 # ash fails to wordsplit ${branch:+-b "$branch"...}
263 case "$branch" in
264 '') git checkout -f -q ;;
265 ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
266 esac
267 ) || die "$(eval_gettext "Unable to checkout submodule '\$sm_path'")"
268 fi
269 git config submodule."$sm_name".url "$realrepo"
270 git add --no-warn-embedded-repo $force "$sm_path" ||
272 die "$(eval_gettext "Failed to add submodule '\$sm_path'")"
273 git config -f .gitmodules submodule."$sm_name".path "$sm_path" &&
275 git config -f .gitmodules submodule."$sm_name".url "$repo" &&
276 if test -n "$branch"
277 then
278 git config -f .gitmodules submodule."$sm_name".branch "$branch"
279 fi &&
280 git add --force .gitmodules ||
281 die "$(eval_gettext "Failed to register submodule '\$sm_path'")"
282 # NEEDSWORK: In a multi-working-tree world, this needs to be
284 # set in the per-worktree config.
285 if git config --get submodule.active >/dev/null
286 then
287 # If the submodule being adding isn't already covered by the
288 # current configured pathspec, set the submodule's active flag
289 if ! git submodule--helper is-active "$sm_path"
290 then
291 git config submodule."$sm_name".active "true"
292 fi
293 else
294 git config submodule."$sm_name".active "true"
295 fi
296}
297#
299# Execute an arbitrary command sequence in each checked out
300# submodule
301#
302# $@ = command to execute
303#
304cmd_foreach()
305{
306 # parse $args after "submodule ... foreach".
307 while test $# -ne 0
308 do
309 case "$1" in
310 -q|--quiet)
311 GIT_QUIET=1
312 ;;
313 --recursive)
314 recursive=1
315 ;;
316 -*)
317 usage
318 ;;
319 *)
320 break
321 ;;
322 esac
323 shift
324 done
325 toplevel=$(pwd)
327 # dup stdin so that it can be restored when running the external
329 # command in the subshell (and a recursive call to this function)
330 exec 3<&0
331 {
333 git submodule--helper list --prefix "$wt_prefix" ||
334 echo "#unmatched" $?
335 } |
336 while read -r mode sha1 stage sm_path
337 do
338 die_if_unmatched "$mode" "$sha1"
339 if test -e "$sm_path"/.git
340 then
341 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
342 say "$(eval_gettext "Entering '\$displaypath'")"
343 name=$(git submodule--helper name "$sm_path")
344 (
345 prefix="$prefix$sm_path/"
346 sanitize_submodule_env
347 cd "$sm_path" &&
348 # we make $path available to scripts ...
349 path=$sm_path &&
350 if test $# -eq 1
351 then
352 eval "$1"
353 else
354 "$@"
355 fi &&
356 if test -n "$recursive"
357 then
358 cmd_foreach "--recursive" "$@"
359 fi
360 ) <&3 3<&- ||
361 die "$(eval_gettext "Stopping at '\$displaypath'; script returned non-zero status.")"
362 fi
363 done
364}
365#
367# Register submodules in .git/config
368#
369# $@ = requested paths (default to all)
370#
371cmd_init()
372{
373 # parse $args after "submodule ... init".
374 while test $# -ne 0
375 do
376 case "$1" in
377 -q|--quiet)
378 GIT_QUIET=1
379 ;;
380 --)
381 shift
382 break
383 ;;
384 -*)
385 usage
386 ;;
387 *)
388 break
389 ;;
390 esac
391 shift
392 done
393 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper init ${GIT_QUIET:+--quiet} "$@"
395}
396#
398# Unregister submodules from .git/config and remove their work tree
399#
400cmd_deinit()
401{
402 # parse $args after "submodule ... deinit".
403 deinit_all=
404 while test $# -ne 0
405 do
406 case "$1" in
407 -f|--force)
408 force=$1
409 ;;
410 -q|--quiet)
411 GIT_QUIET=1
412 ;;
413 --all)
414 deinit_all=t
415 ;;
416 --)
417 shift
418 break
419 ;;
420 -*)
421 usage
422 ;;
423 *)
424 break
425 ;;
426 esac
427 shift
428 done
429 git ${wt_prefix:+-C "$wt_prefix"} submodule--helper deinit ${GIT_QUIET:+--quiet} ${prefix:+--prefix "$prefix"} ${force:+--force} ${deinit_all:+--all} "$@"
431}
432is_tip_reachable () (
434 sanitize_submodule_env &&
435 cd "$1" &&
436 rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) &&
437 test -z "$rev"
438)
439fetch_in_submodule () (
441 sanitize_submodule_env &&
442 cd "$1" &&
443 case "$2" in
444 '')
445 git fetch ;;
446 *)
447 shift
448 git fetch $(get_default_remote) "$@" ;;
449 esac
450)
451#
453# Update each submodule path to correct revision, using clone and checkout as needed
454#
455# $@ = requested paths (default to all)
456#
457cmd_update()
458{
459 # parse $args after "submodule ... update".
460 while test $# -ne 0
461 do
462 case "$1" in
463 -q|--quiet)
464 GIT_QUIET=1
465 ;;
466 --progress)
467 progress="--progress"
468 ;;
469 -i|--init)
470 init=1
471 ;;
472 --remote)
473 remote=1
474 ;;
475 -N|--no-fetch)
476 nofetch=1
477 ;;
478 -f|--force)
479 force=$1
480 ;;
481 -r|--rebase)
482 update="rebase"
483 ;;
484 --reference)
485 case "$2" in '') usage ;; esac
486 reference="--reference=$2"
487 shift
488 ;;
489 --reference=*)
490 reference="$1"
491 ;;
492 -m|--merge)
493 update="merge"
494 ;;
495 --recursive)
496 recursive=1
497 ;;
498 --checkout)
499 update="checkout"
500 ;;
501 --recommend-shallow)
502 recommend_shallow="--recommend-shallow"
503 ;;
504 --no-recommend-shallow)
505 recommend_shallow="--no-recommend-shallow"
506 ;;
507 --depth)
508 case "$2" in '') usage ;; esac
509 depth="--depth=$2"
510 shift
511 ;;
512 --depth=*)
513 depth=$1
514 ;;
515 -j|--jobs)
516 case "$2" in '') usage ;; esac
517 jobs="--jobs=$2"
518 shift
519 ;;
520 --jobs=*)
521 jobs=$1
522 ;;
523 --)
524 shift
525 break
526 ;;
527 -*)
528 usage
529 ;;
530 *)
531 break
532 ;;
533 esac
534 shift
535 done
536 if test -n "$init"
538 then
539 cmd_init "--" "$@" || return
540 fi
541 {
543 git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
544 ${progress:+"$progress"} \
545 ${wt_prefix:+--prefix "$wt_prefix"} \
546 ${prefix:+--recursive-prefix "$prefix"} \
547 ${update:+--update "$update"} \
548 ${reference:+"$reference"} \
549 ${depth:+--depth "$depth"} \
550 ${recommend_shallow:+"$recommend_shallow"} \
551 ${jobs:+$jobs} \
552 "$@" || echo "#unmatched" $?
553 } | {
554 err=
555 while read -r mode sha1 stage just_cloned sm_path
556 do
557 die_if_unmatched "$mode" "$sha1"
558 name=$(git submodule--helper name "$sm_path") || exit
560 if ! test -z "$update"
561 then
562 update_module=$update
563 else
564 update_module=$(git config submodule."$name".update)
565 if test -z "$update_module"
566 then
567 update_module="checkout"
568 fi
569 fi
570 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
572 if test $just_cloned -eq 1
574 then
575 subsha1=
576 case "$update_module" in
577 merge | rebase | none)
578 update_module=checkout ;;
579 esac
580 else
581 subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
582 git rev-parse --verify HEAD) ||
583 die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
584 fi
585 if test -n "$remote"
587 then
588 branch=$(git submodule--helper remote-branch "$sm_path")
589 if test -z "$nofetch"
590 then
591 # Fetch remote before determining tracking $sha1
592 fetch_in_submodule "$sm_path" $depth ||
593 die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
594 fi
595 remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote)
596 sha1=$(sanitize_submodule_env; cd "$sm_path" &&
597 git rev-parse --verify "${remote_name}/${branch}") ||
598 die "$(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")"
599 fi
600 if test "$subsha1" != "$sha1" || test -n "$force"
602 then
603 subforce=$force
604 # If we don't already have a -f flag and the submodule has never been checked out
605 if test -z "$subsha1" && test -z "$force"
606 then
607 subforce="-f"
608 fi
609 if test -z "$nofetch"
611 then
612 # Run fetch only if $sha1 isn't present or it
613 # is not reachable from a ref.
614 is_tip_reachable "$sm_path" "$sha1" ||
615 fetch_in_submodule "$sm_path" $depth ||
616 die "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
617 # Now we tried the usual fetch, but $sha1 may
619 # not be reachable from any of the refs
620 is_tip_reachable "$sm_path" "$sha1" ||
621 fetch_in_submodule "$sm_path" $depth "$sha1" ||
622 die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
623 fi
624 must_die_on_failure=
626 case "$update_module" in
627 checkout)
628 command="git checkout $subforce -q"
629 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
630 say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
631 ;;
632 rebase)
633 command="git rebase"
634 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
635 say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
636 must_die_on_failure=yes
637 ;;
638 merge)
639 command="git merge"
640 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
641 say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
642 must_die_on_failure=yes
643 ;;
644 !*)
645 command="${update_module#!}"
646 die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
647 say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
648 must_die_on_failure=yes
649 ;;
650 *)
651 die "$(eval_gettext "Invalid update mode '$update_module' for submodule '$name'")"
652 esac
653 if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
655 then
656 say "$say_msg"
657 elif test -n "$must_die_on_failure"
658 then
659 die_with_status 2 "$die_msg"
660 else
661 err="${err};$die_msg"
662 continue
663 fi
664 fi
665 if test -n "$recursive"
667 then
668 (
669 prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix")
670 wt_prefix=
671 sanitize_submodule_env
672 cd "$sm_path" &&
673 eval cmd_update
674 )
675 res=$?
676 if test $res -gt 0
677 then
678 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")"
679 if test $res -ne 2
680 then
681 err="${err};$die_msg"
682 continue
683 else
684 die_with_status $res "$die_msg"
685 fi
686 fi
687 fi
688 done
689 if test -n "$err"
691 then
692 OIFS=$IFS
693 IFS=';'
694 for e in $err
695 do
696 if test -n "$e"
697 then
698 echo >&2 "$e"
699 fi
700 done
701 IFS=$OIFS
702 exit 1
703 fi
704 }
705}
706#
708# Show commit summary for submodules in index or working tree
709#
710# If '--cached' is given, show summary between index and given commit,
711# or between working tree and given commit
712#
713# $@ = [commit (default 'HEAD'),] requested paths (default all)
714#
715cmd_summary() {
716 summary_limit=-1
717 for_status=
718 diff_cmd=diff-index
719 # parse $args after "submodule ... summary".
721 while test $# -ne 0
722 do
723 case "$1" in
724 --cached)
725 cached="$1"
726 ;;
727 --files)
728 files="$1"
729 ;;
730 --for-status)
731 for_status="$1"
732 ;;
733 -n|--summary-limit)
734 summary_limit="$2"
735 isnumber "$summary_limit" || usage
736 shift
737 ;;
738 --summary-limit=*)
739 summary_limit="${1#--summary-limit=}"
740 isnumber "$summary_limit" || usage
741 ;;
742 --)
743 shift
744 break
745 ;;
746 -*)
747 usage
748 ;;
749 *)
750 break
751 ;;
752 esac
753 shift
754 done
755 test $summary_limit = 0 && return
757 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
759 then
760 head=$rev
761 test $# = 0 || shift
762 elif test -z "$1" || test "$1" = "HEAD"
763 then
764 # before the first commit: compare with an empty tree
765 head=$(git hash-object -w -t tree --stdin </dev/null)
766 test -z "$1" || shift
767 else
768 head="HEAD"
769 fi
770 if [ -n "$files" ]
772 then
773 test -n "$cached" &&
774 die "$(gettext "The --cached option cannot be used with the --files option")"
775 diff_cmd=diff-files
776 head=
777 fi
778 cd_to_toplevel
780 eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
781 # Get modified modules cared by user
782 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
783 sane_egrep '^:([0-7]* )?160000' |
784 while read -r mod_src mod_dst sha1_src sha1_dst status sm_path
785 do
786 # Always show modules deleted or type-changed (blob<->module)
787 if test "$status" = D || test "$status" = T
788 then
789 printf '%s\n' "$sm_path"
790 continue
791 fi
792 # Respect the ignore setting for --for-status.
793 if test -n "$for_status"
794 then
795 name=$(git submodule--helper name "$sm_path")
796 ignore_config=$(get_submodule_config "$name" ignore none)
797 test $status != A && test $ignore_config = all && continue
798 fi
799 # Also show added or modified modules which are checked out
800 GIT_DIR="$sm_path/.git" git rev-parse --git-dir >/dev/null 2>&1 &&
801 printf '%s\n' "$sm_path"
802 done
803 )
804 test -z "$modules" && return
806 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
808 sane_egrep '^:([0-7]* )?160000' |
809 cut -c2- |
810 while read -r mod_src mod_dst sha1_src sha1_dst status name
811 do
812 if test -z "$cached" &&
813 test $sha1_dst = 0000000000000000000000000000000000000000
814 then
815 case "$mod_dst" in
816 160000)
817 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
818 ;;
819 100644 | 100755 | 120000)
820 sha1_dst=$(git hash-object $name)
821 ;;
822 000000)
823 ;; # removed
824 *)
825 # unexpected type
826 eval_gettextln "unexpected mode \$mod_dst" >&2
827 continue ;;
828 esac
829 fi
830 missing_src=
831 missing_dst=
832 test $mod_src = 160000 &&
834 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_src^0 >/dev/null &&
835 missing_src=t
836 test $mod_dst = 160000 &&
838 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_dst^0 >/dev/null &&
839 missing_dst=t
840 display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
842 total_commits=
844 case "$missing_src,$missing_dst" in
845 t,)
846 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")"
847 ;;
848 ,t)
849 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")"
850 ;;
851 t,t)
852 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")"
853 ;;
854 *)
855 errmsg=
856 total_commits=$(
857 if test $mod_src = 160000 && test $mod_dst = 160000
858 then
859 range="$sha1_src...$sha1_dst"
860 elif test $mod_src = 160000
861 then
862 range=$sha1_src
863 else
864 range=$sha1_dst
865 fi
866 GIT_DIR="$name/.git" \
867 git rev-list --first-parent $range -- | wc -l
868 )
869 total_commits=" ($(($total_commits + 0)))"
870 ;;
871 esac
872 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
874 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
875 if test $status = T
876 then
877 blob="$(gettext "blob")"
878 submodule="$(gettext "submodule")"
879 if test $mod_dst = 160000
880 then
881 echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
882 else
883 echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
884 fi
885 else
886 echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
887 fi
888 if test -n "$errmsg"
889 then
890 # Don't give error msg for modification whose dst is not submodule
891 # i.e. deleted or changed to blob
892 test $mod_dst = 160000 && echo "$errmsg"
893 else
894 if test $mod_src = 160000 && test $mod_dst = 160000
895 then
896 limit=
897 test $summary_limit -gt 0 && limit="-$summary_limit"
898 GIT_DIR="$name/.git" \
899 git log $limit --pretty='format: %m %s' \
900 --first-parent $sha1_src...$sha1_dst
901 elif test $mod_dst = 160000
902 then
903 GIT_DIR="$name/.git" \
904 git log --pretty='format: > %s' -1 $sha1_dst
905 else
906 GIT_DIR="$name/.git" \
907 git log --pretty='format: < %s' -1 $sha1_src
908 fi
909 echo
910 fi
911 echo
912 done
913}
914#
915# List all submodules, prefixed with:
916# - submodule not initialized
917# + different revision checked out
918#
919# If --cached was specified the revision in the index will be printed
920# instead of the currently checked out revision.
921#
922# $@ = requested paths (default to all)
923#
924cmd_status()
925{
926 # parse $args after "submodule ... status".
927 while test $# -ne 0
928 do
929 case "$1" in
930 -q|--quiet)
931 GIT_QUIET=1
932 ;;
933 --cached)
934 cached=1
935 ;;
936 --recursive)
937 recursive=1
938 ;;
939 --)
940 shift
941 break
942 ;;
943 -*)
944 usage
945 ;;
946 *)
947 break
948 ;;
949 esac
950 shift
951 done
952 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} "$@"
954}
955#
956# Sync remote urls for submodules
957# This makes the value for remote.$remote.url match the value
958# specified in .gitmodules.
959#
960cmd_sync()
961{
962 while test $# -ne 0
963 do
964 case "$1" in
965 -q|--quiet)
966 GIT_QUIET=1
967 shift
968 ;;
969 --recursive)
970 recursive=1
971 shift
972 ;;
973 --)
974 shift
975 break
976 ;;
977 -*)
978 usage
979 ;;
980 *)
981 break
982 ;;
983 esac
984 done
985 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
987}
988cmd_absorbgitdirs()
990{
991 git submodule--helper absorb-git-dirs --prefix "$wt_prefix" "$@"
992}
993# This loop parses the command line arguments to find the
995# subcommand name to dispatch. Parsing of the subcommand specific
996# options are primarily done by the subcommand implementations.
997# Subcommand specific options such as --branch and --cached are
998# parsed here as well, for backward compatibility.
999while test $# != 0 && test -z "$command"
1001do
1002 case "$1" in
1003 add | foreach | init | deinit | update | status | summary | sync | absorbgitdirs)
1004 command=$1
1005 ;;
1006 -q|--quiet)
1007 GIT_QUIET=1
1008 ;;
1009 -b|--branch)
1010 case "$2" in
1011 '')
1012 usage
1013 ;;
1014 esac
1015 branch="$2"; shift
1016 ;;
1017 --cached)
1018 cached="$1"
1019 ;;
1020 --)
1021 break
1022 ;;
1023 -*)
1024 usage
1025 ;;
1026 *)
1027 break
1028 ;;
1029 esac
1030 shift
1031done
1032# No command word defaults to "status"
1034if test -z "$command"
1035then
1036 if test $# = 0
1037 then
1038 command=status
1039 else
1040 usage
1041 fi
1042fi
1043# "-b branch" is accepted only by "add"
1045if test -n "$branch" && test "$command" != add
1046then
1047 usage
1048fi
1049# "--cached" is accepted only by "status" and "summary"
1051if test -n "$cached" && test "$command" != status && test "$command" != summary
1052then
1053 usage
1054fi
1055"cmd_$command" "$@"