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] [--cached]
9 or: $dashless [--quiet] add [-b <branch>] [-f|--force] [--name <name>] [--reference <repository>] [--] <repository> [<path>]
10 or: $dashless [--quiet] status [--cached] [--recursive] [--] [<path>...]
11 or: $dashless [--quiet] init [--] [<path>...]
12 or: $dashless [--quiet] deinit [-f|--force] (--all| [--] <path>...)
13 or: $dashless [--quiet] update [--init] [--remote] [-N|--no-fetch] [-f|--force] [--checkout|--merge|--rebase] [--[no-]recommend-shallow] [--reference <repository>] [--recursive] [--] [<path>...]
14 or: $dashless [--quiet] set-branch (--default|--branch <branch>) [--] <path>
15 or: $dashless [--quiet] summary [--cached|--files] [--summary-limit <n>] [commit] [--] [<path>...]
16 or: $dashless [--quiet] foreach [--recursive] <command>
17 or: $dashless [--quiet] sync [--recursive] [--] [<path>...]
18 or: $dashless [--quiet] absorbgitdirs [--] [<path>...]"
19OPTIONS_SPEC=
20SUBDIRECTORY_OK=Yes
21. git-sh-setup
22. git-parse-remote
23require_work_tree
24wt_prefix=$(git rev-parse --show-prefix)
25cd_to_toplevel
26# Tell the rest of git that any URLs we get don't come
28# directly from the user, so it can apply policy as appropriate.
29GIT_PROTOCOL_FROM_USER=0
30export GIT_PROTOCOL_FROM_USER
31command=
33branch=
34force=
35reference=
36cached=
37recursive=
38init=
39files=
40remote=
41nofetch=
42update=
43prefix=
44custom_name=
45depth=
46progress=
47dissociate=
48die_if_unmatched ()
50{
51 if test "$1" = "#unmatched"
52 then
53 exit ${2:-1}
54 fi
55}
56#
58# Print a submodule configuration setting
59#
60# $1 = submodule name
61# $2 = option name
62# $3 = default value
63#
64# Checks in the usual git-config places first (for overrides),
65# otherwise it falls back on .gitmodules. This allows you to
66# distribute project-wide defaults in .gitmodules, while still
67# customizing individual repositories if necessary. If the option is
68# not in .gitmodules either, print a default value.
69#
70get_submodule_config () {
71 name="$1"
72 option="$2"
73 default="$3"
74 value=$(git config submodule."$name"."$option")
75 if test -z "$value"
76 then
77 value=$(git submodule--helper config submodule."$name"."$option")
78 fi
79 printf '%s' "${value:-$default}"
80}
81isnumber()
83{
84 n=$(($1 + 0)) 2>/dev/null && test "$n" = "$1"
85}
86# Given a full hex object ID, is this the zero OID?
88is_zero_oid () {
89 echo "$1" | sane_egrep '^0+$' >/dev/null 2>&1
90}
91# Sanitize the local git environment for use within a submodule. We
93# can't simply use clear_local_git_env since we want to preserve some
94# of the settings from GIT_CONFIG_PARAMETERS.
95sanitize_submodule_env()
96{
97 save_config=$GIT_CONFIG_PARAMETERS
98 clear_local_git_env
99 GIT_CONFIG_PARAMETERS=$save_config
100 export GIT_CONFIG_PARAMETERS
101}
102#
104# Add a new submodule to the working tree, .gitmodules and the index
105#
106# $@ = repo path
107#
108# optional branch is stored in global branch variable
109#
110cmd_add()
111{
112 # parse $args after "submodule ... add".
113 reference_path=
114 while test $# -ne 0
115 do
116 case "$1" in
117 -b | --branch)
118 case "$2" in '') usage ;; esac
119 branch=$2
120 shift
121 ;;
122 -f | --force)
123 force=$1
124 ;;
125 -q|--quiet)
126 GIT_QUIET=1
127 ;;
128 --progress)
129 progress=1
130 ;;
131 --reference)
132 case "$2" in '') usage ;; esac
133 reference_path=$2
134 shift
135 ;;
136 --reference=*)
137 reference_path="${1#--reference=}"
138 ;;
139 --dissociate)
140 dissociate=1
141 ;;
142 --name)
143 case "$2" in '') usage ;; esac
144 custom_name=$2
145 shift
146 ;;
147 --depth)
148 case "$2" in '') usage ;; esac
149 depth="--depth=$2"
150 shift
151 ;;
152 --depth=*)
153 depth=$1
154 ;;
155 --)
156 shift
157 break
158 ;;
159 -*)
160 usage
161 ;;
162 *)
163 break
164 ;;
165 esac
166 shift
167 done
168 if ! git submodule--helper config --check-writeable >/dev/null 2>&1
170 then
171 die "$(eval_gettext "please make sure that the .gitmodules file is in the working tree")"
172 fi
173 if test -n "$reference_path"
175 then
176 is_absolute_path "$reference_path" ||
177 reference_path="$wt_prefix$reference_path"
178 reference="--reference=$reference_path"
180 fi
181 repo=$1
183 sm_path=$2
184 if test -z "$sm_path"; then
186 sm_path=$(printf '%s\n' "$repo" |
187 sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
188 fi
189 if test -z "$repo" || test -z "$sm_path"; then
191 usage
192 fi
193 is_absolute_path "$sm_path" || sm_path="$wt_prefix$sm_path"
195 # assure repo is absolute or relative to parent
197 case "$repo" in
198 ./*|../*)
199 test -z "$wt_prefix" ||
200 die "$(gettext "Relative path can only be used from the toplevel of the working tree")"
201 # dereference source url relative to parent's url
203 realrepo=$(git submodule--helper resolve-relative-url "$repo") || exit
204 ;;
205 *:*|/*)
206 # absolute url
207 realrepo=$repo
208 ;;
209 *)
210 die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")"
211 ;;
212 esac
213 # normalize path:
215 # multiple //; leading ./; /./; /../; trailing /
216 sm_path=$(printf '%s/\n' "$sm_path" |
217 sed -e '
218 s|//*|/|g
219 s|^\(\./\)*||
220 s|/\(\./\)*|/|g
221 :start
222 s|\([^/]*\)/\.\./||
223 tstart
224 s|/*$||
225 ')
226 if test -z "$force"
227 then
228 git ls-files --error-unmatch "$sm_path" > /dev/null 2>&1 &&
229 die "$(eval_gettext "'\$sm_path' already exists in the index")"
230 else
231 git ls-files -s "$sm_path" | sane_grep -v "^160000" > /dev/null 2>&1 &&
232 die "$(eval_gettext "'\$sm_path' already exists in the index and is not a submodule")"
233 fi
234 if test -z "$force" &&
236 ! git add --dry-run --ignore-missing --no-warn-embedded-repo "$sm_path" > /dev/null 2>&1
237 then
238 eval_gettextln "The following path is ignored by one of your .gitignore files:
239\$sm_path
240Use -f if you really want to add it." >&2
241 exit 1
242 fi
243 if test -n "$custom_name"
245 then
246 sm_name="$custom_name"
247 else
248 sm_name="$sm_path"
249 fi
250 if ! git submodule--helper check-name "$sm_name"
252 then
253 die "$(eval_gettext "'$sm_name' is not a valid submodule name")"
254 fi
255 # perhaps the path exists and is already a git repo, else clone it
257 if test -e "$sm_path"
258 then
259 if test -d "$sm_path"/.git || test -f "$sm_path"/.git
260 then
261 eval_gettextln "Adding existing repo at '\$sm_path' to the index"
262 else
263 die "$(eval_gettext "'\$sm_path' already exists and is not a valid git repo")"
264 fi
265 else
267 if test -d ".git/modules/$sm_name"
268 then
269 if test -z "$force"
270 then
271 eval_gettextln >&2 "A git directory for '\$sm_name' is found locally with remote(s):"
272 GIT_DIR=".git/modules/$sm_name" GIT_WORK_TREE=. git remote -v | grep '(fetch)' | sed -e s,^," ", -e s,' (fetch)',, >&2
273 die "$(eval_gettextln "\
274If you want to reuse this local git directory instead of cloning again from
275 \$realrepo
276use the '--force' option. If the local git directory is not the correct repo
277or you are unsure what this means choose another name with the '--name' option.")"
278 else
279 eval_gettextln "Reactivating local git directory for submodule '\$sm_name'."
280 fi
281 fi
282 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
283 (
284 sanitize_submodule_env
285 cd "$sm_path" &&
286 # ash fails to wordsplit ${branch:+-b "$branch"...}
287 case "$branch" in
288 '') git checkout -f -q ;;
289 ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
290 esac
291 ) || die "$(eval_gettext "Unable to checkout submodule '\$sm_path'")"
292 fi
293 git config submodule."$sm_name".url "$realrepo"
294 git add --no-warn-embedded-repo $force "$sm_path" ||
296 die "$(eval_gettext "Failed to add submodule '\$sm_path'")"
297 git submodule--helper config submodule."$sm_name".path "$sm_path" &&
299 git submodule--helper config submodule."$sm_name".url "$repo" &&
300 if test -n "$branch"
301 then
302 git submodule--helper config submodule."$sm_name".branch "$branch"
303 fi &&
304 git add --force .gitmodules ||
305 die "$(eval_gettext "Failed to register submodule '\$sm_path'")"
306 # NEEDSWORK: In a multi-working-tree world, this needs to be
308 # set in the per-worktree config.
309 if git config --get submodule.active >/dev/null
310 then
311 # If the submodule being adding isn't already covered by the
312 # current configured pathspec, set the submodule's active flag
313 if ! git submodule--helper is-active "$sm_path"
314 then
315 git config submodule."$sm_name".active "true"
316 fi
317 else
318 git config submodule."$sm_name".active "true"
319 fi
320}
321#
323# Execute an arbitrary command sequence in each checked out
324# submodule
325#
326# $@ = command to execute
327#
328cmd_foreach()
329{
330 # parse $args after "submodule ... foreach".
331 while test $# -ne 0
332 do
333 case "$1" in
334 -q|--quiet)
335 GIT_QUIET=1
336 ;;
337 --recursive)
338 recursive=1
339 ;;
340 -*)
341 usage
342 ;;
343 *)
344 break
345 ;;
346 esac
347 shift
348 done
349 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper foreach ${GIT_QUIET:+--quiet} ${recursive:+--recursive} -- "$@"
351}
352#
354# Register submodules in .git/config
355#
356# $@ = requested paths (default to all)
357#
358cmd_init()
359{
360 # parse $args after "submodule ... init".
361 while test $# -ne 0
362 do
363 case "$1" in
364 -q|--quiet)
365 GIT_QUIET=1
366 ;;
367 --)
368 shift
369 break
370 ;;
371 -*)
372 usage
373 ;;
374 *)
375 break
376 ;;
377 esac
378 shift
379 done
380 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper init ${GIT_QUIET:+--quiet} -- "$@"
382}
383#
385# Unregister submodules from .git/config and remove their work tree
386#
387cmd_deinit()
388{
389 # parse $args after "submodule ... deinit".
390 deinit_all=
391 while test $# -ne 0
392 do
393 case "$1" in
394 -f|--force)
395 force=$1
396 ;;
397 -q|--quiet)
398 GIT_QUIET=1
399 ;;
400 --all)
401 deinit_all=t
402 ;;
403 --)
404 shift
405 break
406 ;;
407 -*)
408 usage
409 ;;
410 *)
411 break
412 ;;
413 esac
414 shift
415 done
416 git ${wt_prefix:+-C "$wt_prefix"} submodule--helper deinit ${GIT_QUIET:+--quiet} ${prefix:+--prefix "$prefix"} ${force:+--force} ${deinit_all:+--all} -- "$@"
418}
419is_tip_reachable () (
421 sanitize_submodule_env &&
422 cd "$1" &&
423 rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) &&
424 test -z "$rev"
425)
426fetch_in_submodule () (
428 sanitize_submodule_env &&
429 cd "$1" &&
430 case "$2" in
431 '')
432 git fetch ;;
433 *)
434 shift
435 git fetch $(get_default_remote) "$@" ;;
436 esac
437)
438#
440# Update each submodule path to correct revision, using clone and checkout as needed
441#
442# $@ = requested paths (default to all)
443#
444cmd_update()
445{
446 # parse $args after "submodule ... update".
447 while test $# -ne 0
448 do
449 case "$1" in
450 -q|--quiet)
451 GIT_QUIET=1
452 ;;
453 -v)
454 GIT_QUIET=0
455 ;;
456 --progress)
457 progress=1
458 ;;
459 -i|--init)
460 init=1
461 ;;
462 --remote)
463 remote=1
464 ;;
465 -N|--no-fetch)
466 nofetch=1
467 ;;
468 -f|--force)
469 force=$1
470 ;;
471 -r|--rebase)
472 update="rebase"
473 ;;
474 --reference)
475 case "$2" in '') usage ;; esac
476 reference="--reference=$2"
477 shift
478 ;;
479 --reference=*)
480 reference="$1"
481 ;;
482 --dissociate)
483 dissociate=1
484 ;;
485 -m|--merge)
486 update="merge"
487 ;;
488 --recursive)
489 recursive=1
490 ;;
491 --checkout)
492 update="checkout"
493 ;;
494 --recommend-shallow)
495 recommend_shallow="--recommend-shallow"
496 ;;
497 --no-recommend-shallow)
498 recommend_shallow="--no-recommend-shallow"
499 ;;
500 --depth)
501 case "$2" in '') usage ;; esac
502 depth="--depth=$2"
503 shift
504 ;;
505 --depth=*)
506 depth=$1
507 ;;
508 -j|--jobs)
509 case "$2" in '') usage ;; esac
510 jobs="--jobs=$2"
511 shift
512 ;;
513 --jobs=*)
514 jobs=$1
515 ;;
516 --)
517 shift
518 break
519 ;;
520 -*)
521 usage
522 ;;
523 *)
524 break
525 ;;
526 esac
527 shift
528 done
529 if test -n "$init"
531 then
532 cmd_init "--" "$@" || return
533 fi
534 {
536 git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
537 ${progress:+"--progress"} \
538 ${wt_prefix:+--prefix "$wt_prefix"} \
539 ${prefix:+--recursive-prefix "$prefix"} \
540 ${update:+--update "$update"} \
541 ${reference:+"$reference"} \
542 ${dissociate:+"--dissociate"} \
543 ${depth:+--depth "$depth"} \
544 $recommend_shallow \
545 $jobs \
546 -- \
547 "$@" || echo "#unmatched" $?
548 } | {
549 err=
550 while read -r quickabort sha1 just_cloned sm_path
551 do
552 die_if_unmatched "$quickabort" "$sha1"
553 git submodule--helper ensure-core-worktree "$sm_path" || exit 1
555 update_module=$(git submodule--helper update-module-mode $just_cloned "$sm_path" $update)
557 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
559 if test $just_cloned -eq 1
561 then
562 subsha1=
563 else
564 subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
565 git rev-parse --verify HEAD) ||
566 die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
567 fi
568 if test -n "$remote"
570 then
571 branch=$(git submodule--helper remote-branch "$sm_path")
572 if test -z "$nofetch"
573 then
574 # Fetch remote before determining tracking $sha1
575 fetch_in_submodule "$sm_path" $depth ||
576 die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
577 fi
578 remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote)
579 sha1=$(sanitize_submodule_env; cd "$sm_path" &&
580 git rev-parse --verify "${remote_name}/${branch}") ||
581 die "$(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")"
582 fi
583 if test "$subsha1" != "$sha1" || test -n "$force"
585 then
586 subforce=$force
587 # If we don't already have a -f flag and the submodule has never been checked out
588 if test -z "$subsha1" && test -z "$force"
589 then
590 subforce="-f"
591 fi
592 if test -z "$nofetch"
594 then
595 # Run fetch only if $sha1 isn't present or it
596 # is not reachable from a ref.
597 is_tip_reachable "$sm_path" "$sha1" ||
598 fetch_in_submodule "$sm_path" $depth ||
599 say "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'; trying to directly fetch \$sha1:")"
600 # Now we tried the usual fetch, but $sha1 may
602 # not be reachable from any of the refs
603 is_tip_reachable "$sm_path" "$sha1" ||
604 fetch_in_submodule "$sm_path" $depth "$sha1" ||
605 die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
606 fi
607 must_die_on_failure=
609 case "$update_module" in
610 checkout)
611 command="git checkout $subforce -q"
612 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
613 say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
614 ;;
615 rebase)
616 command="git rebase"
617 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
618 say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
619 must_die_on_failure=yes
620 ;;
621 merge)
622 command="git merge"
623 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
624 say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
625 must_die_on_failure=yes
626 ;;
627 !*)
628 command="${update_module#!}"
629 die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
630 say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
631 must_die_on_failure=yes
632 ;;
633 *)
634 die "$(eval_gettext "Invalid update mode '$update_module' for submodule path '$path'")"
635 esac
636 if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
638 then
639 say "$say_msg"
640 elif test -n "$must_die_on_failure"
641 then
642 die_with_status 2 "$die_msg"
643 else
644 err="${err};$die_msg"
645 continue
646 fi
647 fi
648 if test -n "$recursive"
650 then
651 (
652 prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix")
653 wt_prefix=
654 sanitize_submodule_env
655 cd "$sm_path" &&
656 eval cmd_update
657 )
658 res=$?
659 if test $res -gt 0
660 then
661 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")"
662 if test $res -ne 2
663 then
664 err="${err};$die_msg"
665 continue
666 else
667 die_with_status $res "$die_msg"
668 fi
669 fi
670 fi
671 done
672 if test -n "$err"
674 then
675 OIFS=$IFS
676 IFS=';'
677 for e in $err
678 do
679 if test -n "$e"
680 then
681 echo >&2 "$e"
682 fi
683 done
684 IFS=$OIFS
685 exit 1
686 fi
687 }
688}
689#
691# Configures a submodule's default branch
692#
693# $@ = requested path
694#
695cmd_set_branch() {
696 unset_branch=false
697 branch=
698 while test $# -ne 0
700 do
701 case "$1" in
702 -q|--quiet)
703 # we don't do anything with this but we need to accept it
704 ;;
705 -d|--default)
706 unset_branch=true
707 ;;
708 -b|--branch)
709 case "$2" in '') usage ;; esac
710 branch=$2
711 shift
712 ;;
713 --)
714 shift
715 break
716 ;;
717 -*)
718 usage
719 ;;
720 *)
721 break
722 ;;
723 esac
724 shift
725 done
726 if test $# -ne 1
728 then
729 usage
730 fi
731 # we can't use `git submodule--helper name` here because internally, it
733 # hashes the path so a trailing slash could lead to an unintentional no match
734 name="$(git submodule--helper list "$1" | cut -f2)"
735 if test -z "$name"
736 then
737 exit 1
738 fi
739 test -n "$branch"; has_branch=$?
741 test "$unset_branch" = true; has_unset_branch=$?
742 if test $((!$has_branch != !$has_unset_branch)) -eq 0
744 then
745 usage
746 fi
747 if test $has_branch -eq 0
749 then
750 git submodule--helper config submodule."$name".branch "$branch"
751 else
752 git submodule--helper config --unset submodule."$name".branch
753 fi
754}
755#
757# Show commit summary for submodules in index or working tree
758#
759# If '--cached' is given, show summary between index and given commit,
760# or between working tree and given commit
761#
762# $@ = [commit (default 'HEAD'),] requested paths (default all)
763#
764cmd_summary() {
765 summary_limit=-1
766 for_status=
767 diff_cmd=diff-index
768 # parse $args after "submodule ... summary".
770 while test $# -ne 0
771 do
772 case "$1" in
773 --cached)
774 cached="$1"
775 ;;
776 --files)
777 files="$1"
778 ;;
779 --for-status)
780 for_status="$1"
781 ;;
782 -n|--summary-limit)
783 summary_limit="$2"
784 isnumber "$summary_limit" || usage
785 shift
786 ;;
787 --summary-limit=*)
788 summary_limit="${1#--summary-limit=}"
789 isnumber "$summary_limit" || usage
790 ;;
791 --)
792 shift
793 break
794 ;;
795 -*)
796 usage
797 ;;
798 *)
799 break
800 ;;
801 esac
802 shift
803 done
804 test $summary_limit = 0 && return
806 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
808 then
809 head=$rev
810 test $# = 0 || shift
811 elif test -z "$1" || test "$1" = "HEAD"
812 then
813 # before the first commit: compare with an empty tree
814 head=$(git hash-object -w -t tree --stdin </dev/null)
815 test -z "$1" || shift
816 else
817 head="HEAD"
818 fi
819 if [ -n "$files" ]
821 then
822 test -n "$cached" &&
823 die "$(gettext "The --cached option cannot be used with the --files option")"
824 diff_cmd=diff-files
825 head=
826 fi
827 cd_to_toplevel
829 eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
830 # Get modified modules cared by user
831 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
832 sane_egrep '^:([0-7]* )?160000' |
833 while read -r mod_src mod_dst sha1_src sha1_dst status sm_path
834 do
835 # Always show modules deleted or type-changed (blob<->module)
836 if test "$status" = D || test "$status" = T
837 then
838 printf '%s\n' "$sm_path"
839 continue
840 fi
841 # Respect the ignore setting for --for-status.
842 if test -n "$for_status"
843 then
844 name=$(git submodule--helper name "$sm_path")
845 ignore_config=$(get_submodule_config "$name" ignore none)
846 test $status != A && test $ignore_config = all && continue
847 fi
848 # Also show added or modified modules which are checked out
849 GIT_DIR="$sm_path/.git" git rev-parse --git-dir >/dev/null 2>&1 &&
850 printf '%s\n' "$sm_path"
851 done
852 )
853 test -z "$modules" && return
855 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
857 sane_egrep '^:([0-7]* )?160000' |
858 cut -c2- |
859 while read -r mod_src mod_dst sha1_src sha1_dst status name
860 do
861 if test -z "$cached" &&
862 is_zero_oid $sha1_dst
863 then
864 case "$mod_dst" in
865 160000)
866 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
867 ;;
868 100644 | 100755 | 120000)
869 sha1_dst=$(git hash-object $name)
870 ;;
871 000000)
872 ;; # removed
873 *)
874 # unexpected type
875 eval_gettextln "unexpected mode \$mod_dst" >&2
876 continue ;;
877 esac
878 fi
879 missing_src=
880 missing_dst=
881 test $mod_src = 160000 &&
883 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_src^0 >/dev/null &&
884 missing_src=t
885 test $mod_dst = 160000 &&
887 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_dst^0 >/dev/null &&
888 missing_dst=t
889 display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
891 total_commits=
893 case "$missing_src,$missing_dst" in
894 t,)
895 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")"
896 ;;
897 ,t)
898 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")"
899 ;;
900 t,t)
901 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")"
902 ;;
903 *)
904 errmsg=
905 total_commits=$(
906 if test $mod_src = 160000 && test $mod_dst = 160000
907 then
908 range="$sha1_src...$sha1_dst"
909 elif test $mod_src = 160000
910 then
911 range=$sha1_src
912 else
913 range=$sha1_dst
914 fi
915 GIT_DIR="$name/.git" \
916 git rev-list --first-parent $range -- | wc -l
917 )
918 total_commits=" ($(($total_commits + 0)))"
919 ;;
920 esac
921 sha1_abbr_src=$(GIT_DIR="$name/.git" git rev-parse --short $sha1_src 2>/dev/null ||
923 echo $sha1_src | cut -c1-7)
924 sha1_abbr_dst=$(GIT_DIR="$name/.git" git rev-parse --short $sha1_dst 2>/dev/null ||
925 echo $sha1_dst | cut -c1-7)
926 if test $status = T
928 then
929 blob="$(gettext "blob")"
930 submodule="$(gettext "submodule")"
931 if test $mod_dst = 160000
932 then
933 echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
934 else
935 echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
936 fi
937 else
938 echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
939 fi
940 if test -n "$errmsg"
941 then
942 # Don't give error msg for modification whose dst is not submodule
943 # i.e. deleted or changed to blob
944 test $mod_dst = 160000 && echo "$errmsg"
945 else
946 if test $mod_src = 160000 && test $mod_dst = 160000
947 then
948 limit=
949 test $summary_limit -gt 0 && limit="-$summary_limit"
950 GIT_DIR="$name/.git" \
951 git log $limit --pretty='format: %m %s' \
952 --first-parent $sha1_src...$sha1_dst
953 elif test $mod_dst = 160000
954 then
955 GIT_DIR="$name/.git" \
956 git log --pretty='format: > %s' -1 $sha1_dst
957 else
958 GIT_DIR="$name/.git" \
959 git log --pretty='format: < %s' -1 $sha1_src
960 fi
961 echo
962 fi
963 echo
964 done
965}
966#
967# List all submodules, prefixed with:
968# - submodule not initialized
969# + different revision checked out
970#
971# If --cached was specified the revision in the index will be printed
972# instead of the currently checked out revision.
973#
974# $@ = requested paths (default to all)
975#
976cmd_status()
977{
978 # parse $args after "submodule ... status".
979 while test $# -ne 0
980 do
981 case "$1" in
982 -q|--quiet)
983 GIT_QUIET=1
984 ;;
985 --cached)
986 cached=1
987 ;;
988 --recursive)
989 recursive=1
990 ;;
991 --)
992 shift
993 break
994 ;;
995 -*)
996 usage
997 ;;
998 *)
999 break
1000 ;;
1001 esac
1002 shift
1003 done
1004 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} -- "$@"
1006}
1007#
1008# Sync remote urls for submodules
1009# This makes the value for remote.$remote.url match the value
1010# specified in .gitmodules.
1011#
1012cmd_sync()
1013{
1014 while test $# -ne 0
1015 do
1016 case "$1" in
1017 -q|--quiet)
1018 GIT_QUIET=1
1019 shift
1020 ;;
1021 --recursive)
1022 recursive=1
1023 shift
1024 ;;
1025 --)
1026 shift
1027 break
1028 ;;
1029 -*)
1030 usage
1031 ;;
1032 *)
1033 break
1034 ;;
1035 esac
1036 done
1037 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} -- "$@"
1039}
1040cmd_absorbgitdirs()
1042{
1043 git submodule--helper absorb-git-dirs --prefix "$wt_prefix" "$@"
1044}
1045# This loop parses the command line arguments to find the
1047# subcommand name to dispatch. Parsing of the subcommand specific
1048# options are primarily done by the subcommand implementations.
1049# Subcommand specific options such as --branch and --cached are
1050# parsed here as well, for backward compatibility.
1051while test $# != 0 && test -z "$command"
1053do
1054 case "$1" in
1055 add | foreach | init | deinit | update | set-branch | status | summary | sync | absorbgitdirs)
1056 command=$1
1057 ;;
1058 -q|--quiet)
1059 GIT_QUIET=1
1060 ;;
1061 -b|--branch)
1062 case "$2" in
1063 '')
1064 usage
1065 ;;
1066 esac
1067 branch="$2"; shift
1068 ;;
1069 --cached)
1070 cached="$1"
1071 ;;
1072 --)
1073 break
1074 ;;
1075 -*)
1076 usage
1077 ;;
1078 *)
1079 break
1080 ;;
1081 esac
1082 shift
1083done
1084# No command word defaults to "status"
1086if test -z "$command"
1087then
1088 if test $# = 0
1089 then
1090 command=status
1091 else
1092 usage
1093 fi
1094fi
1095# "-b branch" is accepted only by "add" and "set-branch"
1097if test -n "$branch" && (test "$command" != add || test "$command" != set-branch)
1098then
1099 usage
1100fi
1101# "--cached" is accepted only by "status" and "summary"
1103if test -n "$cached" && test "$command" != status && test "$command" != summary
1104then
1105 usage
1106fi
1107"cmd_$(echo $command | sed -e s/-/_/g)" "$@"