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 "$path" > /dev/null 2>&1
230 then
231 eval_gettextln "The following path is ignored by one of your .gitignore files:
232\$path
233Use -f if you really want to add it." >&2
234 exit 1
235 fi
236 # perhaps the path exists and is already a git repo, else clone it
238 if test -e "$path"
239 then
240 if test -d "$path"/.git -o -f "$path"/.git
241 then
242 eval_gettextln "Adding existing repo at '\$path' to the index"
243 else
244 die "$(eval_gettext "'\$path' already exists and is not a valid git repo")"
245 fi
246 else
248 module_clone "$path" "$realrepo" "$reference" || exit
250 (
251 clear_local_git_env
252 cd "$path" &&
253 # ash fails to wordsplit ${branch:+-b "$branch"...}
254 case "$branch" in
255 '') git checkout -f -q ;;
256 ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
257 esac
258 ) || die "$(eval_gettext "Unable to checkout submodule '\$path'")"
259 fi
260 git config submodule."$path".url "$realrepo"
261 git add $force "$path" ||
263 die "$(eval_gettext "Failed to add submodule '\$path'")"
264 git config -f .gitmodules submodule."$path".path "$path" &&
266 git config -f .gitmodules submodule."$path".url "$repo" &&
267 git add --force .gitmodules ||
268 die "$(eval_gettext "Failed to register submodule '\$path'")"
269}
270#
272# Execute an arbitrary command sequence in each checked out
273# submodule
274#
275# $@ = command to execute
276#
277cmd_foreach()
278{
279 # parse $args after "submodule ... foreach".
280 while test $# -ne 0
281 do
282 case "$1" in
283 -q|--quiet)
284 GIT_QUIET=1
285 ;;
286 --recursive)
287 recursive=1
288 ;;
289 -*)
290 usage
291 ;;
292 *)
293 break
294 ;;
295 esac
296 shift
297 done
298 toplevel=$(pwd)
300 # dup stdin so that it can be restored when running the external
302 # command in the subshell (and a recursive call to this function)
303 exec 3<&0
304 module_list |
306 while read mode sha1 stage path
307 do
308 if test -e "$path"/.git
309 then
310 say "$(eval_gettext "Entering '\$prefix\$path'")"
311 name=$(module_name "$path")
312 (
313 prefix="$prefix$path/"
314 clear_local_git_env
315 cd "$path" &&
316 eval "$@" &&
317 if test -n "$recursive"
318 then
319 cmd_foreach "--recursive" "$@"
320 fi
321 ) <&3 3<&- ||
322 die "$(eval_gettext "Stopping at '\$path'; script returned non-zero status.")"
323 fi
324 done
325}
326#
328# Register submodules in .git/config
329#
330# $@ = requested paths (default to all)
331#
332cmd_init()
333{
334 # parse $args after "submodule ... init".
335 while test $# -ne 0
336 do
337 case "$1" in
338 -q|--quiet)
339 GIT_QUIET=1
340 ;;
341 --)
342 shift
343 break
344 ;;
345 -*)
346 usage
347 ;;
348 *)
349 break
350 ;;
351 esac
352 shift
353 done
354 module_list "$@" |
356 while read mode sha1 stage path
357 do
358 # Skip already registered paths
359 name=$(module_name "$path") || exit
360 if test -z "$(git config "submodule.$name.url")"
361 then
362 url=$(git config -f .gitmodules submodule."$name".url)
363 test -z "$url" &&
364 die "$(eval_gettext "No url found for submodule path '\$path' in .gitmodules")"
365 # Possibly a url relative to parent
367 case "$url" in
368 ./*|../*)
369 url=$(resolve_relative_url "$url") || exit
370 ;;
371 esac
372 git config submodule."$name".url "$url" ||
373 die "$(eval_gettext "Failed to register url for submodule path '\$path'")"
374 fi
375 # Copy "update" setting when it is not set yet
377 upd="$(git config -f .gitmodules submodule."$name".update)"
378 test -z "$upd" ||
379 test -n "$(git config submodule."$name".update)" ||
380 git config submodule."$name".update "$upd" ||
381 die "$(eval_gettext "Failed to register update mode for submodule path '\$path'")"
382 say "$(eval_gettext "Submodule '\$name' (\$url) registered for path '\$path'")"
384 done
385}
386#
388# Update each submodule path to correct revision, using clone and checkout as needed
389#
390# $@ = requested paths (default to all)
391#
392cmd_update()
393{
394 # parse $args after "submodule ... update".
395 orig_flags=
396 while test $# -ne 0
397 do
398 case "$1" in
399 -q|--quiet)
400 GIT_QUIET=1
401 ;;
402 -i|--init)
403 init=1
404 ;;
405 -N|--no-fetch)
406 nofetch=1
407 ;;
408 -f|--force)
409 force=$1
410 ;;
411 -r|--rebase)
412 update="rebase"
413 ;;
414 --reference)
415 case "$2" in '') usage ;; esac
416 reference="--reference=$2"
417 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
418 shift
419 ;;
420 --reference=*)
421 reference="$1"
422 ;;
423 -m|--merge)
424 update="merge"
425 ;;
426 --recursive)
427 recursive=1
428 ;;
429 --)
430 shift
431 break
432 ;;
433 -*)
434 usage
435 ;;
436 *)
437 break
438 ;;
439 esac
440 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
441 shift
442 done
443 if test -n "$init"
445 then
446 cmd_init "--" "$@" || return
447 fi
448 cloned_modules=
450 module_list "$@" | {
451 err=
452 while read mode sha1 stage path
453 do
454 if test "$stage" = U
455 then
456 echo >&2 "Skipping unmerged submodule $path"
457 continue
458 fi
459 name=$(module_name "$path") || exit
460 url=$(git config submodule."$name".url)
461 update_module=$(git config submodule."$name".update)
462 if test -z "$url"
463 then
464 # Only mention uninitialized submodules when its
465 # path have been specified
466 test "$#" != "0" &&
467 say "$(eval_gettext "Submodule path '\$path' not initialized
468Maybe you want to use 'update --init'?")"
469 continue
470 fi
471 if ! test -d "$path"/.git -o -f "$path"/.git
473 then
474 module_clone "$path" "$url" "$reference"|| exit
475 cloned_modules="$cloned_modules;$name"
476 subsha1=
477 else
478 subsha1=$(clear_local_git_env; cd "$path" &&
479 git rev-parse --verify HEAD) ||
480 die "$(eval_gettext "Unable to find current revision in submodule path '\$path'")"
481 fi
482 if ! test -z "$update"
484 then
485 update_module=$update
486 fi
487 if test "$subsha1" != "$sha1"
489 then
490 subforce=$force
491 # If we don't already have a -f flag and the submodule has never been checked out
492 if test -z "$subsha1" -a -z "$force"
493 then
494 subforce="-f"
495 fi
496 if test -z "$nofetch"
498 then
499 # Run fetch only if $sha1 isn't present or it
500 # is not reachable from a ref.
501 (clear_local_git_env; cd "$path" &&
502 ( (rev=$(git rev-list -n 1 $sha1 --not --all 2>/dev/null) &&
503 test -z "$rev") || git-fetch)) ||
504 die "$(eval_gettext "Unable to fetch in submodule path '\$path'")"
505 fi
506 # Is this something we just cloned?
508 case ";$cloned_modules;" in
509 *";$name;"*)
510 # then there is no local change to integrate
511 update_module= ;;
512 esac
513 must_die_on_failure=
515 case "$update_module" in
516 rebase)
517 command="git rebase"
518 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$path'")"
519 say_msg="$(eval_gettext "Submodule path '\$path': rebased into '\$sha1'")"
520 must_die_on_failure=yes
521 ;;
522 merge)
523 command="git merge"
524 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$path'")"
525 say_msg="$(eval_gettext "Submodule path '\$path': merged in '\$sha1'")"
526 must_die_on_failure=yes
527 ;;
528 *)
529 command="git checkout $subforce -q"
530 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$path'")"
531 say_msg="$(eval_gettext "Submodule path '\$path': checked out '\$sha1'")"
532 ;;
533 esac
534 if (clear_local_git_env; cd "$path" && $command "$sha1")
536 then
537 say "$say_msg"
538 elif test -n "$must_die_on_failure"
539 then
540 die_with_status 2 "$die_msg"
541 else
542 err="${err};$die_msg"
543 continue
544 fi
545 fi
546 if test -n "$recursive"
548 then
549 (clear_local_git_env; cd "$path" && eval cmd_update "$orig_flags")
550 res=$?
551 if test $res -gt 0
552 then
553 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$path'")"
554 if test $res -eq 1
555 then
556 err="${err};$die_msg"
557 continue
558 else
559 die_with_status $res "$die_msg"
560 fi
561 fi
562 fi
563 done
564 if test -n "$err"
566 then
567 OIFS=$IFS
568 IFS=';'
569 for e in $err
570 do
571 if test -n "$e"
572 then
573 echo >&2 "$e"
574 fi
575 done
576 IFS=$OIFS
577 exit 1
578 fi
579 }
580}
581set_name_rev () {
583 revname=$( (
584 clear_local_git_env
585 cd "$1" && {
586 git describe "$2" 2>/dev/null ||
587 git describe --tags "$2" 2>/dev/null ||
588 git describe --contains "$2" 2>/dev/null ||
589 git describe --all --always "$2"
590 }
591 ) )
592 test -z "$revname" || revname=" ($revname)"
593}
594#
595# Show commit summary for submodules in index or working tree
596#
597# If '--cached' is given, show summary between index and given commit,
598# or between working tree and given commit
599#
600# $@ = [commit (default 'HEAD'),] requested paths (default all)
601#
602cmd_summary() {
603 summary_limit=-1
604 for_status=
605 diff_cmd=diff-index
606 # parse $args after "submodule ... summary".
608 while test $# -ne 0
609 do
610 case "$1" in
611 --cached)
612 cached="$1"
613 ;;
614 --files)
615 files="$1"
616 ;;
617 --for-status)
618 for_status="$1"
619 ;;
620 -n|--summary-limit)
621 if summary_limit=$(($2 + 0)) 2>/dev/null && test "$summary_limit" = "$2"
622 then
623 :
624 else
625 usage
626 fi
627 shift
628 ;;
629 --)
630 shift
631 break
632 ;;
633 -*)
634 usage
635 ;;
636 *)
637 break
638 ;;
639 esac
640 shift
641 done
642 test $summary_limit = 0 && return
644 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
646 then
647 head=$rev
648 test $# = 0 || shift
649 elif test -z "$1" -o "$1" = "HEAD"
650 then
651 # before the first commit: compare with an empty tree
652 head=$(git hash-object -w -t tree --stdin </dev/null)
653 test -z "$1" || shift
654 else
655 head="HEAD"
656 fi
657 if [ -n "$files" ]
659 then
660 test -n "$cached" &&
661 die "$(gettext -- "--cached cannot be used with --files")"
662 diff_cmd=diff-files
663 head=
664 fi
665 cd_to_toplevel
667 # Get modified modules cared by user
668 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
669 sane_egrep '^:([0-7]* )?160000' |
670 while read mod_src mod_dst sha1_src sha1_dst status name
671 do
672 # Always show modules deleted or type-changed (blob<->module)
673 test $status = D -o $status = T && echo "$name" && continue
674 # Also show added or modified modules which are checked out
675 GIT_DIR="$name/.git" git-rev-parse --git-dir >/dev/null 2>&1 &&
676 echo "$name"
677 done
678 )
679 test -z "$modules" && return
681 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
683 sane_egrep '^:([0-7]* )?160000' |
684 cut -c2- |
685 while read mod_src mod_dst sha1_src sha1_dst status name
686 do
687 if test -z "$cached" &&
688 test $sha1_dst = 0000000000000000000000000000000000000000
689 then
690 case "$mod_dst" in
691 160000)
692 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
693 ;;
694 100644 | 100755 | 120000)
695 sha1_dst=$(git hash-object $name)
696 ;;
697 000000)
698 ;; # removed
699 *)
700 # unexpected type
701 eval_gettextln "unexpected mode \$mod_dst" >&2
702 continue ;;
703 esac
704 fi
705 missing_src=
706 missing_dst=
707 test $mod_src = 160000 &&
709 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_src^0 >/dev/null &&
710 missing_src=t
711 test $mod_dst = 160000 &&
713 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_dst^0 >/dev/null &&
714 missing_dst=t
715 total_commits=
717 case "$missing_src,$missing_dst" in
718 t,)
719 errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_src")"
720 ;;
721 ,t)
722 errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_dst")"
723 ;;
724 t,t)
725 errmsg="$(eval_gettext " Warn: \$name doesn't contain commits \$sha1_src and \$sha1_dst")"
726 ;;
727 *)
728 errmsg=
729 total_commits=$(
730 if test $mod_src = 160000 -a $mod_dst = 160000
731 then
732 range="$sha1_src...$sha1_dst"
733 elif test $mod_src = 160000
734 then
735 range=$sha1_src
736 else
737 range=$sha1_dst
738 fi
739 GIT_DIR="$name/.git" \
740 git rev-list --first-parent $range -- | wc -l
741 )
742 total_commits=" ($(($total_commits + 0)))"
743 ;;
744 esac
745 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
747 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
748 if test $status = T
749 then
750 blob="$(gettext "blob")"
751 submodule="$(gettext "submodule")"
752 if test $mod_dst = 160000
753 then
754 echo "* $name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
755 else
756 echo "* $name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
757 fi
758 else
759 echo "* $name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
760 fi
761 if test -n "$errmsg"
762 then
763 # Don't give error msg for modification whose dst is not submodule
764 # i.e. deleted or changed to blob
765 test $mod_dst = 160000 && echo "$errmsg"
766 else
767 if test $mod_src = 160000 -a $mod_dst = 160000
768 then
769 limit=
770 test $summary_limit -gt 0 && limit="-$summary_limit"
771 GIT_DIR="$name/.git" \
772 git log $limit --pretty='format: %m %s' \
773 --first-parent $sha1_src...$sha1_dst
774 elif test $mod_dst = 160000
775 then
776 GIT_DIR="$name/.git" \
777 git log --pretty='format: > %s' -1 $sha1_dst
778 else
779 GIT_DIR="$name/.git" \
780 git log --pretty='format: < %s' -1 $sha1_src
781 fi
782 echo
783 fi
784 echo
785 done |
786 if test -n "$for_status"; then
787 if [ -n "$files" ]; then
788 gettextln "# Submodules changed but not updated:"
789 else
790 gettextln "# Submodule changes to be committed:"
791 fi
792 echo "#"
793 sed -e 's|^|# |' -e 's|^# $|#|'
794 else
795 cat
796 fi
797}
798#
799# List all submodules, prefixed with:
800# - submodule not initialized
801# + different revision checked out
802#
803# If --cached was specified the revision in the index will be printed
804# instead of the currently checked out revision.
805#
806# $@ = requested paths (default to all)
807#
808cmd_status()
809{
810 # parse $args after "submodule ... status".
811 orig_flags=
812 while test $# -ne 0
813 do
814 case "$1" in
815 -q|--quiet)
816 GIT_QUIET=1
817 ;;
818 --cached)
819 cached=1
820 ;;
821 --recursive)
822 recursive=1
823 ;;
824 --)
825 shift
826 break
827 ;;
828 -*)
829 usage
830 ;;
831 *)
832 break
833 ;;
834 esac
835 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
836 shift
837 done
838 module_list "$@" |
840 while read mode sha1 stage path
841 do
842 name=$(module_name "$path") || exit
843 url=$(git config submodule."$name".url)
844 displaypath="$prefix$path"
845 if test "$stage" = U
846 then
847 say "U$sha1 $displaypath"
848 continue
849 fi
850 if test -z "$url" || ! test -d "$path"/.git -o -f "$path"/.git
851 then
852 say "-$sha1 $displaypath"
853 continue;
854 fi
855 set_name_rev "$path" "$sha1"
856 if git diff-files --ignore-submodules=dirty --quiet -- "$path"
857 then
858 say " $sha1 $displaypath$revname"
859 else
860 if test -z "$cached"
861 then
862 sha1=$(clear_local_git_env; cd "$path" && git rev-parse --verify HEAD)
863 set_name_rev "$path" "$sha1"
864 fi
865 say "+$sha1 $displaypath$revname"
866 fi
867 if test -n "$recursive"
869 then
870 (
871 prefix="$displaypath/"
872 clear_local_git_env
873 cd "$path" &&
874 eval cmd_status "$orig_args"
875 ) ||
876 die "$(eval_gettext "Failed to recurse into submodule path '\$path'")"
877 fi
878 done
879}
880#
881# Sync remote urls for submodules
882# This makes the value for remote.$remote.url match the value
883# specified in .gitmodules.
884#
885cmd_sync()
886{
887 while test $# -ne 0
888 do
889 case "$1" in
890 -q|--quiet)
891 GIT_QUIET=1
892 shift
893 ;;
894 --)
895 shift
896 break
897 ;;
898 -*)
899 usage
900 ;;
901 *)
902 break
903 ;;
904 esac
905 done
906 cd_to_toplevel
907 module_list "$@" |
908 while read mode sha1 stage path
909 do
910 name=$(module_name "$path")
911 url=$(git config -f .gitmodules --get submodule."$name".url)
912 # Possibly a url relative to parent
914 case "$url" in
915 ./*|../*)
916 url=$(resolve_relative_url "$url") || exit
917 ;;
918 esac
919 if git config "submodule.$name.url" >/dev/null 2>/dev/null
921 then
922 say "$(eval_gettext "Synchronizing submodule url for '\$name'")"
923 git config submodule."$name".url "$url"
924 if test -e "$path"/.git
926 then
927 (
928 clear_local_git_env
929 cd "$path"
930 remote=$(get_default_remote)
931 git config remote."$remote".url "$url"
932 )
933 fi
934 fi
935 done
936}
937# This loop parses the command line arguments to find the
939# subcommand name to dispatch. Parsing of the subcommand specific
940# options are primarily done by the subcommand implementations.
941# Subcommand specific options such as --branch and --cached are
942# parsed here as well, for backward compatibility.
943while test $# != 0 && test -z "$command"
945do
946 case "$1" in
947 add | foreach | init | update | status | summary | sync)
948 command=$1
949 ;;
950 -q|--quiet)
951 GIT_QUIET=1
952 ;;
953 -b|--branch)
954 case "$2" in
955 '')
956 usage
957 ;;
958 esac
959 branch="$2"; shift
960 ;;
961 --cached)
962 cached="$1"
963 ;;
964 --)
965 break
966 ;;
967 -*)
968 usage
969 ;;
970 *)
971 break
972 ;;
973 esac
974 shift
975done
976# No command word defaults to "status"
978test -n "$command" || command=status
979# "-b branch" is accepted only by "add"
981if test -n "$branch" && test "$command" != add
982then
983 usage
984fi
985# "--cached" is accepted only by "status" and "summary"
987if test -n "$cached" && test "$command" != status -a "$command" != summary
988then
989 usage
990fi
991"cmd_$command" "$@"