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."$name".url)
464 update_module=$(git config submodule."$name".update)
465 if test -z "$url"
466 then
467 # Only mention uninitialized submodules when its
468 # path have been specified
469 test "$#" != "0" &&
470 say "$(eval_gettext "Submodule path '\$path' not initialized
471Maybe you want to use 'update --init'?")"
472 continue
473 fi
474 if ! test -d "$path"/.git -o -f "$path"/.git
476 then
477 module_clone "$path" "$url" "$reference"|| exit
478 cloned_modules="$cloned_modules;$name"
479 subsha1=
480 else
481 subsha1=$(clear_local_git_env; cd "$path" &&
482 git rev-parse --verify HEAD) ||
483 die "$(eval_gettext "Unable to find current revision in submodule path '\$path'")"
484 fi
485 if ! test -z "$update"
487 then
488 update_module=$update
489 fi
490 if test "$subsha1" != "$sha1"
492 then
493 subforce=$force
494 # If we don't already have a -f flag and the submodule has never been checked out
495 if test -z "$subsha1" -a -z "$force"
496 then
497 subforce="-f"
498 fi
499 if test -z "$nofetch"
501 then
502 # Run fetch only if $sha1 isn't present or it
503 # is not reachable from a ref.
504 (clear_local_git_env; cd "$path" &&
505 ( (rev=$(git rev-list -n 1 $sha1 --not --all 2>/dev/null) &&
506 test -z "$rev") || git-fetch)) ||
507 die "$(eval_gettext "Unable to fetch in submodule path '\$path'")"
508 fi
509 # Is this something we just cloned?
511 case ";$cloned_modules;" in
512 *";$name;"*)
513 # then there is no local change to integrate
514 update_module= ;;
515 esac
516 must_die_on_failure=
518 case "$update_module" in
519 rebase)
520 command="git rebase"
521 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$path'")"
522 say_msg="$(eval_gettext "Submodule path '\$path': rebased into '\$sha1'")"
523 must_die_on_failure=yes
524 ;;
525 merge)
526 command="git merge"
527 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$path'")"
528 say_msg="$(eval_gettext "Submodule path '\$path': merged in '\$sha1'")"
529 must_die_on_failure=yes
530 ;;
531 *)
532 command="git checkout $subforce -q"
533 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$path'")"
534 say_msg="$(eval_gettext "Submodule path '\$path': checked out '\$sha1'")"
535 ;;
536 esac
537 if (clear_local_git_env; cd "$path" && $command "$sha1")
539 then
540 say "$say_msg"
541 elif test -n "$must_die_on_failure"
542 then
543 die_with_status 2 "$die_msg"
544 else
545 err="${err};$die_msg"
546 continue
547 fi
548 fi
549 if test -n "$recursive"
551 then
552 (clear_local_git_env; cd "$path" && eval cmd_update "$orig_flags")
553 res=$?
554 if test $res -gt 0
555 then
556 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$path'")"
557 if test $res -eq 1
558 then
559 err="${err};$die_msg"
560 continue
561 else
562 die_with_status $res "$die_msg"
563 fi
564 fi
565 fi
566 done
567 if test -n "$err"
569 then
570 OIFS=$IFS
571 IFS=';'
572 for e in $err
573 do
574 if test -n "$e"
575 then
576 echo >&2 "$e"
577 fi
578 done
579 IFS=$OIFS
580 exit 1
581 fi
582 }
583}
584set_name_rev () {
586 revname=$( (
587 clear_local_git_env
588 cd "$1" && {
589 git describe "$2" 2>/dev/null ||
590 git describe --tags "$2" 2>/dev/null ||
591 git describe --contains "$2" 2>/dev/null ||
592 git describe --all --always "$2"
593 }
594 ) )
595 test -z "$revname" || revname=" ($revname)"
596}
597#
598# Show commit summary for submodules in index or working tree
599#
600# If '--cached' is given, show summary between index and given commit,
601# or between working tree and given commit
602#
603# $@ = [commit (default 'HEAD'),] requested paths (default all)
604#
605cmd_summary() {
606 summary_limit=-1
607 for_status=
608 diff_cmd=diff-index
609 # parse $args after "submodule ... summary".
611 while test $# -ne 0
612 do
613 case "$1" in
614 --cached)
615 cached="$1"
616 ;;
617 --files)
618 files="$1"
619 ;;
620 --for-status)
621 for_status="$1"
622 ;;
623 -n|--summary-limit)
624 if summary_limit=$(($2 + 0)) 2>/dev/null && test "$summary_limit" = "$2"
625 then
626 :
627 else
628 usage
629 fi
630 shift
631 ;;
632 --)
633 shift
634 break
635 ;;
636 -*)
637 usage
638 ;;
639 *)
640 break
641 ;;
642 esac
643 shift
644 done
645 test $summary_limit = 0 && return
647 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
649 then
650 head=$rev
651 test $# = 0 || shift
652 elif test -z "$1" -o "$1" = "HEAD"
653 then
654 # before the first commit: compare with an empty tree
655 head=$(git hash-object -w -t tree --stdin </dev/null)
656 test -z "$1" || shift
657 else
658 head="HEAD"
659 fi
660 if [ -n "$files" ]
662 then
663 test -n "$cached" &&
664 die "$(gettext -- "--cached cannot be used with --files")"
665 diff_cmd=diff-files
666 head=
667 fi
668 cd_to_toplevel
670 # Get modified modules cared by user
671 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
672 sane_egrep '^:([0-7]* )?160000' |
673 while read mod_src mod_dst sha1_src sha1_dst status name
674 do
675 # Always show modules deleted or type-changed (blob<->module)
676 test $status = D -o $status = T && echo "$name" && continue
677 # Also show added or modified modules which are checked out
678 GIT_DIR="$name/.git" git-rev-parse --git-dir >/dev/null 2>&1 &&
679 echo "$name"
680 done
681 )
682 test -z "$modules" && return
684 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
686 sane_egrep '^:([0-7]* )?160000' |
687 cut -c2- |
688 while read mod_src mod_dst sha1_src sha1_dst status name
689 do
690 if test -z "$cached" &&
691 test $sha1_dst = 0000000000000000000000000000000000000000
692 then
693 case "$mod_dst" in
694 160000)
695 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
696 ;;
697 100644 | 100755 | 120000)
698 sha1_dst=$(git hash-object $name)
699 ;;
700 000000)
701 ;; # removed
702 *)
703 # unexpected type
704 (
705 eval_gettext "unexpected mode \$mod_dst" &&
706 echo
707 ) >&2
708 continue ;;
709 esac
710 fi
711 missing_src=
712 missing_dst=
713 test $mod_src = 160000 &&
715 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_src^0 >/dev/null &&
716 missing_src=t
717 test $mod_dst = 160000 &&
719 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_dst^0 >/dev/null &&
720 missing_dst=t
721 total_commits=
723 case "$missing_src,$missing_dst" in
724 t,)
725 errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_src")"
726 ;;
727 ,t)
728 errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_dst")"
729 ;;
730 t,t)
731 errmsg="$(eval_gettext " Warn: \$name doesn't contain commits \$sha1_src and \$sha1_dst")"
732 ;;
733 *)
734 errmsg=
735 total_commits=$(
736 if test $mod_src = 160000 -a $mod_dst = 160000
737 then
738 range="$sha1_src...$sha1_dst"
739 elif test $mod_src = 160000
740 then
741 range=$sha1_src
742 else
743 range=$sha1_dst
744 fi
745 GIT_DIR="$name/.git" \
746 git rev-list --first-parent $range -- | wc -l
747 )
748 total_commits=" ($(($total_commits + 0)))"
749 ;;
750 esac
751 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
753 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
754 if test $status = T
755 then
756 blob="$(gettext "blob")"
757 submodule="$(gettext "submodule")"
758 if test $mod_dst = 160000
759 then
760 echo "* $name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
761 else
762 echo "* $name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
763 fi
764 else
765 echo "* $name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
766 fi
767 if test -n "$errmsg"
768 then
769 # Don't give error msg for modification whose dst is not submodule
770 # i.e. deleted or changed to blob
771 test $mod_dst = 160000 && echo "$errmsg"
772 else
773 if test $mod_src = 160000 -a $mod_dst = 160000
774 then
775 limit=
776 test $summary_limit -gt 0 && limit="-$summary_limit"
777 GIT_DIR="$name/.git" \
778 git log $limit --pretty='format: %m %s' \
779 --first-parent $sha1_src...$sha1_dst
780 elif test $mod_dst = 160000
781 then
782 GIT_DIR="$name/.git" \
783 git log --pretty='format: > %s' -1 $sha1_dst
784 else
785 GIT_DIR="$name/.git" \
786 git log --pretty='format: < %s' -1 $sha1_src
787 fi
788 echo
789 fi
790 echo
791 done |
792 if test -n "$for_status"; then
793 if [ -n "$files" ]; then
794 gettext "# Submodules changed but not updated:"; echo
795 else
796 gettext "# Submodule changes to be committed:"; echo
797 fi
798 echo "#"
799 sed -e 's|^|# |' -e 's|^# $|#|'
800 else
801 cat
802 fi
803}
804#
805# List all submodules, prefixed with:
806# - submodule not initialized
807# + different revision checked out
808#
809# If --cached was specified the revision in the index will be printed
810# instead of the currently checked out revision.
811#
812# $@ = requested paths (default to all)
813#
814cmd_status()
815{
816 # parse $args after "submodule ... status".
817 orig_flags=
818 while test $# -ne 0
819 do
820 case "$1" in
821 -q|--quiet)
822 GIT_QUIET=1
823 ;;
824 --cached)
825 cached=1
826 ;;
827 --recursive)
828 recursive=1
829 ;;
830 --)
831 shift
832 break
833 ;;
834 -*)
835 usage
836 ;;
837 *)
838 break
839 ;;
840 esac
841 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
842 shift
843 done
844 module_list "$@" |
846 while read mode sha1 stage path
847 do
848 name=$(module_name "$path") || exit
849 url=$(git config submodule."$name".url)
850 displaypath="$prefix$path"
851 if test "$stage" = U
852 then
853 say "U$sha1 $displaypath"
854 continue
855 fi
856 if test -z "$url" || ! test -d "$path"/.git -o -f "$path"/.git
857 then
858 say "-$sha1 $displaypath"
859 continue;
860 fi
861 set_name_rev "$path" "$sha1"
862 if git diff-files --ignore-submodules=dirty --quiet -- "$path"
863 then
864 say " $sha1 $displaypath$revname"
865 else
866 if test -z "$cached"
867 then
868 sha1=$(clear_local_git_env; cd "$path" && git rev-parse --verify HEAD)
869 set_name_rev "$path" "$sha1"
870 fi
871 say "+$sha1 $displaypath$revname"
872 fi
873 if test -n "$recursive"
875 then
876 (
877 prefix="$displaypath/"
878 clear_local_git_env
879 cd "$path" &&
880 eval cmd_status "$orig_args"
881 ) ||
882 die "$(eval_gettext "Failed to recurse into submodule path '\$path'")"
883 fi
884 done
885}
886#
887# Sync remote urls for submodules
888# This makes the value for remote.$remote.url match the value
889# specified in .gitmodules.
890#
891cmd_sync()
892{
893 while test $# -ne 0
894 do
895 case "$1" in
896 -q|--quiet)
897 GIT_QUIET=1
898 shift
899 ;;
900 --)
901 shift
902 break
903 ;;
904 -*)
905 usage
906 ;;
907 *)
908 break
909 ;;
910 esac
911 done
912 cd_to_toplevel
913 module_list "$@" |
914 while read mode sha1 stage path
915 do
916 name=$(module_name "$path")
917 url=$(git config -f .gitmodules --get submodule."$name".url)
918 # Possibly a url relative to parent
920 case "$url" in
921 ./*|../*)
922 url=$(resolve_relative_url "$url") || exit
923 ;;
924 esac
925 if git config "submodule.$name.url" >/dev/null 2>/dev/null
927 then
928 say "$(eval_gettext "Synchronizing submodule url for '\$name'")"
929 git config submodule."$name".url "$url"
930 if test -e "$path"/.git
932 then
933 (
934 clear_local_git_env
935 cd "$path"
936 remote=$(get_default_remote)
937 git config remote."$remote".url "$url"
938 )
939 fi
940 fi
941 done
942}
943# This loop parses the command line arguments to find the
945# subcommand name to dispatch. Parsing of the subcommand specific
946# options are primarily done by the subcommand implementations.
947# Subcommand specific options such as --branch and --cached are
948# parsed here as well, for backward compatibility.
949while test $# != 0 && test -z "$command"
951do
952 case "$1" in
953 add | foreach | init | update | status | summary | sync)
954 command=$1
955 ;;
956 -q|--quiet)
957 GIT_QUIET=1
958 ;;
959 -b|--branch)
960 case "$2" in
961 '')
962 usage
963 ;;
964 esac
965 branch="$2"; shift
966 ;;
967 --cached)
968 cached="$1"
969 ;;
970 --)
971 break
972 ;;
973 -*)
974 usage
975 ;;
976 *)
977 break
978 ;;
979 esac
980 shift
981done
982# No command word defaults to "status"
984test -n "$command" || command=status
985# "-b branch" is accepted only by "add"
987if test -n "$branch" && test "$command" != add
988then
989 usage
990fi
991# "--cached" is accepted only by "status" and "summary"
993if test -n "$cached" && test "$command" != status -a "$command" != summary
994then
995 usage
996fi
997"cmd_$command" "$@"