1#!/bin/sh
2#
3# git-submodules.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] [--reference <repository>] [--] <repository> [<path>]
9 or: $dashless [--quiet] status [--cached] [--recursive] [--] [<path>...]
10 or: $dashless [--quiet] init [--] [<path>...]
11 or: $dashless [--quiet] update [--init] [-N|--no-fetch] [-f|--force] [--rebase] [--reference <repository>] [--merge] [--recursive] [--] [<path>...]
12 or: $dashless [--quiet] summary [--cached|--files] [--summary-limit <n>] [commit] [--] [<path>...]
13 or: $dashless [--quiet] foreach [--recursive] <command>
14 or: $dashless [--quiet] sync [--] [<path>...]"
15OPTIONS_SPEC=
16. git-sh-setup
17. git-sh-i18n
18. git-parse-remote
19require_work_tree
20command=
22branch=
23force=
24reference=
25cached=
26recursive=
27init=
28files=
29nofetch=
30update=
31prefix=
32# Resolve relative url by appending to parent's url
34resolve_relative_url ()
35{
36 remote=$(get_default_remote)
37 remoteurl=$(git config "remote.$remote.url") ||
38 remoteurl=$(pwd) # the repository is its own authoritative upstream
39 url="$1"
40 remoteurl=${remoteurl%/}
41 sep=/
42 while test -n "$url"
43 do
44 case "$url" in
45 ../*)
46 url="${url#../}"
47 case "$remoteurl" in
48 */*)
49 remoteurl="${remoteurl%/*}"
50 ;;
51 *:*)
52 remoteurl="${remoteurl%:*}"
53 sep=:
54 ;;
55 *)
56 die "$(eval_gettext "cannot strip one component off url '\$remoteurl'")"
57 ;;
58 esac
59 ;;
60 ./*)
61 url="${url#./}"
62 ;;
63 *)
64 break;;
65 esac
66 done
67 echo "$remoteurl$sep${url%/}"
68}
69#
71# Get submodule info for registered submodules
72# $@ = path to limit submodule list
73#
74module_list()
75{
76 git ls-files --error-unmatch --stage -- "$@" |
77 perl -e '
78 my %unmerged = ();
79 my ($null_sha1) = ("0" x 40);
80 while (<STDIN>) {
81 chomp;
82 my ($mode, $sha1, $stage, $path) =
83 /^([0-7]+) ([0-9a-f]{40}) ([0-3])\t(.*)$/;
84 next unless $mode eq "160000";
85 if ($stage ne "0") {
86 if (!$unmerged{$path}++) {
87 print "$mode $null_sha1 U\t$path\n";
88 }
89 next;
90 }
91 print "$_\n";
92 }
93 '
94}
95#
97# Map submodule path to submodule name
98#
99# $1 = path
100#
101module_name()
102{
103 # Do we have "submodule.<something>.path = $1" defined in .gitmodules file?
104 re=$(printf '%s\n' "$1" | sed -e 's/[].[^$\\*]/\\&/g')
105 name=$( git config -f .gitmodules --get-regexp '^submodule\..*\.path$' |
106 sed -n -e 's|^submodule\.\(.*\)\.path '"$re"'$|\1|p' )
107 test -z "$name" &&
108 die "$(eval_gettext "No submodule mapping found in .gitmodules for path '\$path'")"
109 echo "$name"
110}
111#
113# Clone a submodule
114#
115# Prior to calling, cmd_update checks that a possibly existing
116# path is not a git repository.
117# Likewise, cmd_add checks that path does not exist at all,
118# since it is the location of a new submodule.
119#
120module_clone()
121{
122 path=$1
123 url=$2
124 reference="$3"
125 quiet=
126 if test -n "$GIT_QUIET"
127 then
128 quiet=-q
129 fi
130 if test -n "$reference"
132 then
133 git-clone $quiet "$reference" -n "$url" "$path"
134 else
135 git-clone $quiet -n "$url" "$path"
136 fi ||
137 die "$(eval_gettext "Clone of '\$url' into submodule path '\$path' failed")"
138}
139#
141# Add a new submodule to the working tree, .gitmodules and the index
142#
143# $@ = repo path
144#
145# optional branch is stored in global branch variable
146#
147cmd_add()
148{
149 # parse $args after "submodule ... add".
150 while test $# -ne 0
151 do
152 case "$1" in
153 -b | --branch)
154 case "$2" in '') usage ;; esac
155 branch=$2
156 shift
157 ;;
158 -f | --force)
159 force=$1
160 ;;
161 -q|--quiet)
162 GIT_QUIET=1
163 ;;
164 --reference)
165 case "$2" in '') usage ;; esac
166 reference="--reference=$2"
167 shift
168 ;;
169 --reference=*)
170 reference="$1"
171 shift
172 ;;
173 --)
174 shift
175 break
176 ;;
177 -*)
178 usage
179 ;;
180 *)
181 break
182 ;;
183 esac
184 shift
185 done
186 repo=$1
188 path=$2
189 if test -z "$path"; then
191 path=$(echo "$repo" |
192 sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
193 fi
194 if test -z "$repo" -o -z "$path"; then
196 usage
197 fi
198 # assure repo is absolute or relative to parent
200 case "$repo" in
201 ./*|../*)
202 # dereference source url relative to parent's url
203 realrepo=$(resolve_relative_url "$repo") || exit
204 ;;
205 *:*|/*)
206 # absolute url
207 realrepo=$repo
208 ;;
209 *)
210 die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")"
211 ;;
212 esac
213 # normalize path:
215 # multiple //; leading ./; /./; /../; trailing /
216 path=$(printf '%s/\n' "$path" |
217 sed -e '
218 s|//*|/|g
219 s|^\(\./\)*||
220 s|/\./|/|g
221 :start
222 s|\([^/]*\)/\.\./||
223 tstart
224 s|/*$||
225 ')
226 git ls-files --error-unmatch "$path" > /dev/null 2>&1 &&
227 die "$(eval_gettext "'\$path' already exists in the index")"
228 if test -z "$force" && ! git add --dry-run --ignore-missing "$path" > /dev/null 2>&1
230 then
231 (
232 eval_gettext "The following path is ignored by one of your .gitignore files:
233\$path
234Use -f if you really want to add it." &&
235 echo
236 ) >&2
237 exit 1
238 fi
239 # perhaps the path exists and is already a git repo, else clone it
241 if test -e "$path"
242 then
243 if test -d "$path"/.git -o -f "$path"/.git
244 then
245 eval_gettext "Adding existing repo at '\$path' to the index"; echo
246 else
247 die "$(eval_gettext "'\$path' already exists and is not a valid git repo")"
248 fi
249 else
251 module_clone "$path" "$realrepo" "$reference" || exit
253 (
254 clear_local_git_env
255 cd "$path" &&
256 # ash fails to wordsplit ${branch:+-b "$branch"...}
257 case "$branch" in
258 '') git checkout -f -q ;;
259 ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
260 esac
261 ) || die "$(eval_gettext "Unable to checkout submodule '\$path'")"
262 fi
263 git config submodule."$path".url "$realrepo"
264 git add $force "$path" ||
266 die "$(eval_gettext "Failed to add submodule '\$path'")"
267 git config -f .gitmodules submodule."$path".path "$path" &&
269 git config -f .gitmodules submodule."$path".url "$repo" &&
270 git add --force .gitmodules ||
271 die "$(eval_gettext "Failed to register submodule '\$path'")"
272}
273#
275# Execute an arbitrary command sequence in each checked out
276# submodule
277#
278# $@ = command to execute
279#
280cmd_foreach()
281{
282 # parse $args after "submodule ... foreach".
283 while test $# -ne 0
284 do
285 case "$1" in
286 -q|--quiet)
287 GIT_QUIET=1
288 ;;
289 --recursive)
290 recursive=1
291 ;;
292 -*)
293 usage
294 ;;
295 *)
296 break
297 ;;
298 esac
299 shift
300 done
301 toplevel=$(pwd)
303 # dup stdin so that it can be restored when running the external
305 # command in the subshell (and a recursive call to this function)
306 exec 3<&0
307 module_list |
309 while read mode sha1 stage path
310 do
311 if test -e "$path"/.git
312 then
313 say "$(eval_gettext "Entering '\$prefix\$path'")"
314 name=$(module_name "$path")
315 (
316 prefix="$prefix$path/"
317 clear_local_git_env
318 cd "$path" &&
319 eval "$@" &&
320 if test -n "$recursive"
321 then
322 cmd_foreach "--recursive" "$@"
323 fi
324 ) <&3 3<&- ||
325 die "$(eval_gettext "Stopping at '\$path'; script returned non-zero status.")"
326 fi
327 done
328}
329#
331# Register submodules in .git/config
332#
333# $@ = requested paths (default to all)
334#
335cmd_init()
336{
337 # parse $args after "submodule ... init".
338 while test $# -ne 0
339 do
340 case "$1" in
341 -q|--quiet)
342 GIT_QUIET=1
343 ;;
344 --)
345 shift
346 break
347 ;;
348 -*)
349 usage
350 ;;
351 *)
352 break
353 ;;
354 esac
355 shift
356 done
357 module_list "$@" |
359 while read mode sha1 stage path
360 do
361 # Skip already registered paths
362 name=$(module_name "$path") || exit
363 if test -z "$(git config "submodule.$name.url")"
364 then
365 url=$(git config -f .gitmodules submodule."$name".url)
366 test -z "$url" &&
367 die "$(eval_gettext "No url found for submodule path '\$path' in .gitmodules")"
368 # Possibly a url relative to parent
370 case "$url" in
371 ./*|../*)
372 url=$(resolve_relative_url "$url") || exit
373 ;;
374 esac
375 git config submodule."$name".url "$url" ||
376 die "$(eval_gettext "Failed to register url for submodule path '\$path'")"
377 fi
378 # Copy "update" setting when it is not set yet
380 upd="$(git config -f .gitmodules submodule."$name".update)"
381 test -z "$upd" ||
382 test -n "$(git config submodule."$name".update)" ||
383 git config submodule."$name".update "$upd" ||
384 die "$(eval_gettext "Failed to register update mode for submodule path '\$path'")"
385 say "$(eval_gettext "Submodule '\$name' (\$url) registered for path '\$path'")"
387 done
388}
389#
391# Update each submodule path to correct revision, using clone and checkout as needed
392#
393# $@ = requested paths (default to all)
394#
395cmd_update()
396{
397 # parse $args after "submodule ... update".
398 orig_flags=
399 while test $# -ne 0
400 do
401 case "$1" in
402 -q|--quiet)
403 GIT_QUIET=1
404 ;;
405 -i|--init)
406 init=1
407 ;;
408 -N|--no-fetch)
409 nofetch=1
410 ;;
411 -f|--force)
412 force=$1
413 ;;
414 -r|--rebase)
415 update="rebase"
416 ;;
417 --reference)
418 case "$2" in '') usage ;; esac
419 reference="--reference=$2"
420 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
421 shift
422 ;;
423 --reference=*)
424 reference="$1"
425 ;;
426 -m|--merge)
427 update="merge"
428 ;;
429 --recursive)
430 recursive=1
431 ;;
432 --)
433 shift
434 break
435 ;;
436 -*)
437 usage
438 ;;
439 *)
440 break
441 ;;
442 esac
443 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
444 shift
445 done
446 if test -n "$init"
448 then
449 cmd_init "--" "$@" || return
450 fi
451 cloned_modules=
453 module_list "$@" | {
454 err=
455 while read mode sha1 stage path
456 do
457 if test "$stage" = U
458 then
459 echo >&2 "Skipping unmerged submodule $path"
460 continue
461 fi
462 name=$(module_name "$path") || exit
463 url=$(git config submodule."$name".url)
464 if ! test -z "$update"
465 then
466 update_module=$update
467 else
468 update_module=$(git config submodule."$name".update)
469 fi
470 if test -z "$url"
472 then
473 # Only mention uninitialized submodules when its
474 # path have been specified
475 test "$#" != "0" &&
476 say "$(eval_gettext "Submodule path '\$path' not initialized
477Maybe you want to use 'update --init'?")"
478 continue
479 fi
480 if ! test -d "$path"/.git -o -f "$path"/.git
482 then
483 module_clone "$path" "$url" "$reference"|| exit
484 cloned_modules="$cloned_modules;$name"
485 subsha1=
486 else
487 subsha1=$(clear_local_git_env; cd "$path" &&
488 git rev-parse --verify HEAD) ||
489 die "$(eval_gettext "Unable to find current revision in submodule path '\$path'")"
490 fi
491 if test "$subsha1" != "$sha1"
493 then
494 subforce=$force
495 # If we don't already have a -f flag and the submodule has never been checked out
496 if test -z "$subsha1" -a -z "$force"
497 then
498 subforce="-f"
499 fi
500 if test -z "$nofetch"
502 then
503 # Run fetch only if $sha1 isn't present or it
504 # is not reachable from a ref.
505 (clear_local_git_env; cd "$path" &&
506 ( (rev=$(git rev-list -n 1 $sha1 --not --all 2>/dev/null) &&
507 test -z "$rev") || git-fetch)) ||
508 die "$(eval_gettext "Unable to fetch in submodule path '\$path'")"
509 fi
510 # Is this something we just cloned?
512 case ";$cloned_modules;" in
513 *";$name;"*)
514 # then there is no local change to integrate
515 update_module= ;;
516 esac
517 must_die_on_failure=
519 case "$update_module" in
520 rebase)
521 command="git rebase"
522 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$path'")"
523 say_msg="$(eval_gettext "Submodule path '\$path': rebased into '\$sha1'")"
524 must_die_on_failure=yes
525 ;;
526 merge)
527 command="git merge"
528 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$path'")"
529 say_msg="$(eval_gettext "Submodule path '\$path': merged in '\$sha1'")"
530 must_die_on_failure=yes
531 ;;
532 *)
533 command="git checkout $subforce -q"
534 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$path'")"
535 say_msg="$(eval_gettext "Submodule path '\$path': checked out '\$sha1'")"
536 ;;
537 esac
538 if (clear_local_git_env; cd "$path" && $command "$sha1")
540 then
541 say "$say_msg"
542 elif test -n "$must_die_on_failure"
543 then
544 die_with_status 2 "$die_msg"
545 else
546 err="${err};$die_msg"
547 continue
548 fi
549 fi
550 if test -n "$recursive"
552 then
553 (clear_local_git_env; cd "$path" && eval cmd_update "$orig_flags")
554 res=$?
555 if test $res -gt 0
556 then
557 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$path'")"
558 if test $res -eq 1
559 then
560 err="${err};$die_msg"
561 continue
562 else
563 die_with_status $res "$die_msg"
564 fi
565 fi
566 fi
567 done
568 if test -n "$err"
570 then
571 OIFS=$IFS
572 IFS=';'
573 for e in $err
574 do
575 if test -n "$e"
576 then
577 echo >&2 "$e"
578 fi
579 done
580 IFS=$OIFS
581 exit 1
582 fi
583 }
584}
585set_name_rev () {
587 revname=$( (
588 clear_local_git_env
589 cd "$1" && {
590 git describe "$2" 2>/dev/null ||
591 git describe --tags "$2" 2>/dev/null ||
592 git describe --contains "$2" 2>/dev/null ||
593 git describe --all --always "$2"
594 }
595 ) )
596 test -z "$revname" || revname=" ($revname)"
597}
598#
599# Show commit summary for submodules in index or working tree
600#
601# If '--cached' is given, show summary between index and given commit,
602# or between working tree and given commit
603#
604# $@ = [commit (default 'HEAD'),] requested paths (default all)
605#
606cmd_summary() {
607 summary_limit=-1
608 for_status=
609 diff_cmd=diff-index
610 # parse $args after "submodule ... summary".
612 while test $# -ne 0
613 do
614 case "$1" in
615 --cached)
616 cached="$1"
617 ;;
618 --files)
619 files="$1"
620 ;;
621 --for-status)
622 for_status="$1"
623 ;;
624 -n|--summary-limit)
625 if summary_limit=$(($2 + 0)) 2>/dev/null && test "$summary_limit" = "$2"
626 then
627 :
628 else
629 usage
630 fi
631 shift
632 ;;
633 --)
634 shift
635 break
636 ;;
637 -*)
638 usage
639 ;;
640 *)
641 break
642 ;;
643 esac
644 shift
645 done
646 test $summary_limit = 0 && return
648 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
650 then
651 head=$rev
652 test $# = 0 || shift
653 elif test -z "$1" -o "$1" = "HEAD"
654 then
655 # before the first commit: compare with an empty tree
656 head=$(git hash-object -w -t tree --stdin </dev/null)
657 test -z "$1" || shift
658 else
659 head="HEAD"
660 fi
661 if [ -n "$files" ]
663 then
664 test -n "$cached" &&
665 die "$(gettext -- "--cached cannot be used with --files")"
666 diff_cmd=diff-files
667 head=
668 fi
669 cd_to_toplevel
671 # Get modified modules cared by user
672 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
673 sane_egrep '^:([0-7]* )?160000' |
674 while read mod_src mod_dst sha1_src sha1_dst status name
675 do
676 # Always show modules deleted or type-changed (blob<->module)
677 test $status = D -o $status = T && echo "$name" && continue
678 # Also show added or modified modules which are checked out
679 GIT_DIR="$name/.git" git-rev-parse --git-dir >/dev/null 2>&1 &&
680 echo "$name"
681 done
682 )
683 test -z "$modules" && return
685 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
687 sane_egrep '^:([0-7]* )?160000' |
688 cut -c2- |
689 while read mod_src mod_dst sha1_src sha1_dst status name
690 do
691 if test -z "$cached" &&
692 test $sha1_dst = 0000000000000000000000000000000000000000
693 then
694 case "$mod_dst" in
695 160000)
696 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
697 ;;
698 100644 | 100755 | 120000)
699 sha1_dst=$(git hash-object $name)
700 ;;
701 000000)
702 ;; # removed
703 *)
704 # unexpected type
705 (
706 eval_gettext "unexpected mode \$mod_dst" &&
707 echo
708 ) >&2
709 continue ;;
710 esac
711 fi
712 missing_src=
713 missing_dst=
714 test $mod_src = 160000 &&
716 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_src^0 >/dev/null &&
717 missing_src=t
718 test $mod_dst = 160000 &&
720 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_dst^0 >/dev/null &&
721 missing_dst=t
722 total_commits=
724 case "$missing_src,$missing_dst" in
725 t,)
726 errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_src")"
727 ;;
728 ,t)
729 errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_dst")"
730 ;;
731 t,t)
732 errmsg="$(eval_gettext " Warn: \$name doesn't contain commits \$sha1_src and \$sha1_dst")"
733 ;;
734 *)
735 errmsg=
736 total_commits=$(
737 if test $mod_src = 160000 -a $mod_dst = 160000
738 then
739 range="$sha1_src...$sha1_dst"
740 elif test $mod_src = 160000
741 then
742 range=$sha1_src
743 else
744 range=$sha1_dst
745 fi
746 GIT_DIR="$name/.git" \
747 git rev-list --first-parent $range -- | wc -l
748 )
749 total_commits=" ($(($total_commits + 0)))"
750 ;;
751 esac
752 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
754 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
755 if test $status = T
756 then
757 blob="$(gettext "blob")"
758 submodule="$(gettext "submodule")"
759 if test $mod_dst = 160000
760 then
761 echo "* $name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
762 else
763 echo "* $name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
764 fi
765 else
766 echo "* $name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
767 fi
768 if test -n "$errmsg"
769 then
770 # Don't give error msg for modification whose dst is not submodule
771 # i.e. deleted or changed to blob
772 test $mod_dst = 160000 && echo "$errmsg"
773 else
774 if test $mod_src = 160000 -a $mod_dst = 160000
775 then
776 limit=
777 test $summary_limit -gt 0 && limit="-$summary_limit"
778 GIT_DIR="$name/.git" \
779 git log $limit --pretty='format: %m %s' \
780 --first-parent $sha1_src...$sha1_dst
781 elif test $mod_dst = 160000
782 then
783 GIT_DIR="$name/.git" \
784 git log --pretty='format: > %s' -1 $sha1_dst
785 else
786 GIT_DIR="$name/.git" \
787 git log --pretty='format: < %s' -1 $sha1_src
788 fi
789 echo
790 fi
791 echo
792 done |
793 if test -n "$for_status"; then
794 if [ -n "$files" ]; then
795 gettext "# Submodules changed but not updated:"; echo
796 else
797 gettext "# Submodule changes to be committed:"; echo
798 fi
799 echo "#"
800 sed -e 's|^|# |' -e 's|^# $|#|'
801 else
802 cat
803 fi
804}
805#
806# List all submodules, prefixed with:
807# - submodule not initialized
808# + different revision checked out
809#
810# If --cached was specified the revision in the index will be printed
811# instead of the currently checked out revision.
812#
813# $@ = requested paths (default to all)
814#
815cmd_status()
816{
817 # parse $args after "submodule ... status".
818 orig_flags=
819 while test $# -ne 0
820 do
821 case "$1" in
822 -q|--quiet)
823 GIT_QUIET=1
824 ;;
825 --cached)
826 cached=1
827 ;;
828 --recursive)
829 recursive=1
830 ;;
831 --)
832 shift
833 break
834 ;;
835 -*)
836 usage
837 ;;
838 *)
839 break
840 ;;
841 esac
842 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
843 shift
844 done
845 module_list "$@" |
847 while read mode sha1 stage path
848 do
849 name=$(module_name "$path") || exit
850 url=$(git config submodule."$name".url)
851 displaypath="$prefix$path"
852 if test "$stage" = U
853 then
854 say "U$sha1 $displaypath"
855 continue
856 fi
857 if test -z "$url" || ! test -d "$path"/.git -o -f "$path"/.git
858 then
859 say "-$sha1 $displaypath"
860 continue;
861 fi
862 set_name_rev "$path" "$sha1"
863 if git diff-files --ignore-submodules=dirty --quiet -- "$path"
864 then
865 say " $sha1 $displaypath$revname"
866 else
867 if test -z "$cached"
868 then
869 sha1=$(clear_local_git_env; cd "$path" && git rev-parse --verify HEAD)
870 set_name_rev "$path" "$sha1"
871 fi
872 say "+$sha1 $displaypath$revname"
873 fi
874 if test -n "$recursive"
876 then
877 (
878 prefix="$displaypath/"
879 clear_local_git_env
880 cd "$path" &&
881 eval cmd_status "$orig_args"
882 ) ||
883 die "$(eval_gettext "Failed to recurse into submodule path '\$path'")"
884 fi
885 done
886}
887#
888# Sync remote urls for submodules
889# This makes the value for remote.$remote.url match the value
890# specified in .gitmodules.
891#
892cmd_sync()
893{
894 while test $# -ne 0
895 do
896 case "$1" in
897 -q|--quiet)
898 GIT_QUIET=1
899 shift
900 ;;
901 --)
902 shift
903 break
904 ;;
905 -*)
906 usage
907 ;;
908 *)
909 break
910 ;;
911 esac
912 done
913 cd_to_toplevel
914 module_list "$@" |
915 while read mode sha1 stage path
916 do
917 name=$(module_name "$path")
918 url=$(git config -f .gitmodules --get submodule."$name".url)
919 # Possibly a url relative to parent
921 case "$url" in
922 ./*|../*)
923 url=$(resolve_relative_url "$url") || exit
924 ;;
925 esac
926 if git config "submodule.$name.url" >/dev/null 2>/dev/null
928 then
929 say "$(eval_gettext "Synchronizing submodule url for '\$name'")"
930 git config submodule."$name".url "$url"
931 if test -e "$path"/.git
933 then
934 (
935 clear_local_git_env
936 cd "$path"
937 remote=$(get_default_remote)
938 git config remote."$remote".url "$url"
939 )
940 fi
941 fi
942 done
943}
944# This loop parses the command line arguments to find the
946# subcommand name to dispatch. Parsing of the subcommand specific
947# options are primarily done by the subcommand implementations.
948# Subcommand specific options such as --branch and --cached are
949# parsed here as well, for backward compatibility.
950while test $# != 0 && test -z "$command"
952do
953 case "$1" in
954 add | foreach | init | update | status | summary | sync)
955 command=$1
956 ;;
957 -q|--quiet)
958 GIT_QUIET=1
959 ;;
960 -b|--branch)
961 case "$2" in
962 '')
963 usage
964 ;;
965 esac
966 branch="$2"; shift
967 ;;
968 --cached)
969 cached="$1"
970 ;;
971 --)
972 break
973 ;;
974 -*)
975 usage
976 ;;
977 *)
978 break
979 ;;
980 esac
981 shift
982done
983# No command word defaults to "status"
985test -n "$command" || command=status
986# "-b branch" is accepted only by "add"
988if test -n "$branch" && test "$command" != add
989then
990 usage
991fi
992# "--cached" is accepted only by "status" and "summary"
994if test -n "$cached" && test "$command" != status -a "$command" != summary
995then
996 usage
997fi
998"cmd_$command" "$@"