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="$3"
125 if test -n "$reference"
127 then
128 git-clone "$reference" -n "$url" "$path"
129 else
130 git-clone -n "$url" "$path"
131 fi ||
132 die "$(eval_gettext "Clone of '\$url' into submodule path '\$path' failed")"
133}
134#
136# Add a new submodule to the working tree, .gitmodules and the index
137#
138# $@ = repo path
139#
140# optional branch is stored in global branch variable
141#
142cmd_add()
143{
144 # parse $args after "submodule ... add".
145 while test $# -ne 0
146 do
147 case "$1" in
148 -b | --branch)
149 case "$2" in '') usage ;; esac
150 branch=$2
151 shift
152 ;;
153 -f | --force)
154 force=$1
155 ;;
156 -q|--quiet)
157 GIT_QUIET=1
158 ;;
159 --reference)
160 case "$2" in '') usage ;; esac
161 reference="--reference=$2"
162 shift
163 ;;
164 --reference=*)
165 reference="$1"
166 shift
167 ;;
168 --)
169 shift
170 break
171 ;;
172 -*)
173 usage
174 ;;
175 *)
176 break
177 ;;
178 esac
179 shift
180 done
181 repo=$1
183 path=$2
184 if test -z "$path"; then
186 path=$(echo "$repo" |
187 sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
188 fi
189 if test -z "$repo" -o -z "$path"; then
191 usage
192 fi
193 # assure repo is absolute or relative to parent
195 case "$repo" in
196 ./*|../*)
197 # dereference source url relative to parent's url
198 realrepo=$(resolve_relative_url "$repo") || exit
199 ;;
200 *:*|/*)
201 # absolute url
202 realrepo=$repo
203 ;;
204 *)
205 die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")"
206 ;;
207 esac
208 # normalize path:
210 # multiple //; leading ./; /./; /../; trailing /
211 path=$(printf '%s/\n' "$path" |
212 sed -e '
213 s|//*|/|g
214 s|^\(\./\)*||
215 s|/\./|/|g
216 :start
217 s|\([^/]*\)/\.\./||
218 tstart
219 s|/*$||
220 ')
221 git ls-files --error-unmatch "$path" > /dev/null 2>&1 &&
222 die "$(eval_gettext "'\$path' already exists in the index")"
223 if test -z "$force" && ! git add --dry-run --ignore-missing "$path" > /dev/null 2>&1
225 then
226 eval_gettextln "The following path is ignored by one of your .gitignore files:
227\$path
228Use -f if you really want to add it." >&2
229 exit 1
230 fi
231 # perhaps the path exists and is already a git repo, else clone it
233 if test -e "$path"
234 then
235 if test -d "$path"/.git -o -f "$path"/.git
236 then
237 eval_gettextln "Adding existing repo at '\$path' to the index"
238 else
239 die "$(eval_gettext "'\$path' already exists and is not a valid git repo")"
240 fi
241 else
243 module_clone "$path" "$realrepo" "$reference" || exit
245 (
246 clear_local_git_env
247 cd "$path" &&
248 # ash fails to wordsplit ${branch:+-b "$branch"...}
249 case "$branch" in
250 '') git checkout -f -q ;;
251 ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
252 esac
253 ) || die "$(eval_gettext "Unable to checkout submodule '\$path'")"
254 fi
255 git config submodule."$path".url "$realrepo"
256 git add $force "$path" ||
258 die "$(eval_gettext "Failed to add submodule '\$path'")"
259 git config -f .gitmodules submodule."$path".path "$path" &&
261 git config -f .gitmodules submodule."$path".url "$repo" &&
262 git add --force .gitmodules ||
263 die "$(eval_gettext "Failed to register submodule '\$path'")"
264}
265#
267# Execute an arbitrary command sequence in each checked out
268# submodule
269#
270# $@ = command to execute
271#
272cmd_foreach()
273{
274 # parse $args after "submodule ... foreach".
275 while test $# -ne 0
276 do
277 case "$1" in
278 -q|--quiet)
279 GIT_QUIET=1
280 ;;
281 --recursive)
282 recursive=1
283 ;;
284 -*)
285 usage
286 ;;
287 *)
288 break
289 ;;
290 esac
291 shift
292 done
293 toplevel=$(pwd)
295 # dup stdin so that it can be restored when running the external
297 # command in the subshell (and a recursive call to this function)
298 exec 3<&0
299 module_list |
301 while read mode sha1 stage path
302 do
303 if test -e "$path"/.git
304 then
305 say "$(eval_gettext "Entering '\$prefix\$path'")"
306 name=$(module_name "$path")
307 (
308 prefix="$prefix$path/"
309 clear_local_git_env
310 cd "$path" &&
311 eval "$@" &&
312 if test -n "$recursive"
313 then
314 cmd_foreach "--recursive" "$@"
315 fi
316 ) <&3 3<&- ||
317 die "$(eval_gettext "Stopping at '\$path'; script returned non-zero status.")"
318 fi
319 done
320}
321#
323# Register submodules in .git/config
324#
325# $@ = requested paths (default to all)
326#
327cmd_init()
328{
329 # parse $args after "submodule ... init".
330 while test $# -ne 0
331 do
332 case "$1" in
333 -q|--quiet)
334 GIT_QUIET=1
335 ;;
336 --)
337 shift
338 break
339 ;;
340 -*)
341 usage
342 ;;
343 *)
344 break
345 ;;
346 esac
347 shift
348 done
349 module_list "$@" |
351 while read mode sha1 stage path
352 do
353 # Skip already registered paths
354 name=$(module_name "$path") || exit
355 if test -z "$(git config "submodule.$name.url")"
356 then
357 url=$(git config -f .gitmodules submodule."$name".url)
358 test -z "$url" &&
359 die "$(eval_gettext "No url found for submodule path '\$path' in .gitmodules")"
360 # Possibly a url relative to parent
362 case "$url" in
363 ./*|../*)
364 url=$(resolve_relative_url "$url") || exit
365 ;;
366 esac
367 git config submodule."$name".url "$url" ||
368 die "$(eval_gettext "Failed to register url for submodule path '\$path'")"
369 fi
370 # Copy "update" setting when it is not set yet
372 upd="$(git config -f .gitmodules submodule."$name".update)"
373 test -z "$upd" ||
374 test -n "$(git config submodule."$name".update)" ||
375 git config submodule."$name".update "$upd" ||
376 die "$(eval_gettext "Failed to register update mode for submodule path '\$path'")"
377 say "$(eval_gettext "Submodule '\$name' (\$url) registered for path '\$path'")"
379 done
380}
381#
383# Update each submodule path to correct revision, using clone and checkout as needed
384#
385# $@ = requested paths (default to all)
386#
387cmd_update()
388{
389 # parse $args after "submodule ... update".
390 orig_flags=
391 while test $# -ne 0
392 do
393 case "$1" in
394 -q|--quiet)
395 GIT_QUIET=1
396 ;;
397 -i|--init)
398 init=1
399 ;;
400 -N|--no-fetch)
401 nofetch=1
402 ;;
403 -f|--force)
404 force=$1
405 ;;
406 -r|--rebase)
407 update="rebase"
408 ;;
409 --reference)
410 case "$2" in '') usage ;; esac
411 reference="--reference=$2"
412 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
413 shift
414 ;;
415 --reference=*)
416 reference="$1"
417 ;;
418 -m|--merge)
419 update="merge"
420 ;;
421 --recursive)
422 recursive=1
423 ;;
424 --)
425 shift
426 break
427 ;;
428 -*)
429 usage
430 ;;
431 *)
432 break
433 ;;
434 esac
435 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
436 shift
437 done
438 if test -n "$init"
440 then
441 cmd_init "--" "$@" || return
442 fi
443 cloned_modules=
445 module_list "$@" | {
446 err=
447 while read mode sha1 stage path
448 do
449 if test "$stage" = U
450 then
451 echo >&2 "Skipping unmerged submodule $path"
452 continue
453 fi
454 name=$(module_name "$path") || exit
455 url=$(git config submodule."$name".url)
456 update_module=$(git config submodule."$name".update)
457 if test -z "$url"
458 then
459 # Only mention uninitialized submodules when its
460 # path have been specified
461 test "$#" != "0" &&
462 say "$(eval_gettext "Submodule path '\$path' not initialized
463Maybe you want to use 'update --init'?")"
464 continue
465 fi
466 if ! test -d "$path"/.git -o -f "$path"/.git
468 then
469 module_clone "$path" "$url" "$reference"|| exit
470 cloned_modules="$cloned_modules;$name"
471 subsha1=
472 else
473 subsha1=$(clear_local_git_env; cd "$path" &&
474 git rev-parse --verify HEAD) ||
475 die "$(eval_gettext "Unable to find current revision in submodule path '\$path'")"
476 fi
477 if ! test -z "$update"
479 then
480 update_module=$update
481 fi
482 if test "$subsha1" != "$sha1"
484 then
485 subforce=$force
486 # If we don't already have a -f flag and the submodule has never been checked out
487 if test -z "$subsha1" -a -z "$force"
488 then
489 subforce="-f"
490 fi
491 if test -z "$nofetch"
493 then
494 # Run fetch only if $sha1 isn't present or it
495 # is not reachable from a ref.
496 (clear_local_git_env; cd "$path" &&
497 ( (rev=$(git rev-list -n 1 $sha1 --not --all 2>/dev/null) &&
498 test -z "$rev") || git-fetch)) ||
499 die "$(eval_gettext "Unable to fetch in submodule path '\$path'")"
500 fi
501 # Is this something we just cloned?
503 case ";$cloned_modules;" in
504 *";$name;"*)
505 # then there is no local change to integrate
506 update_module= ;;
507 esac
508 must_die_on_failure=
510 case "$update_module" in
511 rebase)
512 command="git rebase"
513 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$path'")"
514 say_msg="$(eval_gettext "Submodule path '\$path': rebased into '\$sha1'")"
515 must_die_on_failure=yes
516 ;;
517 merge)
518 command="git merge"
519 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$path'")"
520 say_msg="$(eval_gettext "Submodule path '\$path': merged in '\$sha1'")"
521 must_die_on_failure=yes
522 ;;
523 *)
524 command="git checkout $subforce -q"
525 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$path'")"
526 say_msg="$(eval_gettext "Submodule path '\$path': checked out '\$sha1'")"
527 ;;
528 esac
529 if (clear_local_git_env; cd "$path" && $command "$sha1")
531 then
532 say "$say_msg"
533 elif test -n "$must_die_on_failure"
534 then
535 die_with_status 2 "$die_msg"
536 else
537 err="${err};$die_msg"
538 continue
539 fi
540 fi
541 if test -n "$recursive"
543 then
544 (clear_local_git_env; cd "$path" && eval cmd_update "$orig_flags")
545 res=$?
546 if test $res -gt 0
547 then
548 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$path'")"
549 if test $res -eq 1
550 then
551 err="${err};$die_msg"
552 continue
553 else
554 die_with_status $res "$die_msg"
555 fi
556 fi
557 fi
558 done
559 if test -n "$err"
561 then
562 OIFS=$IFS
563 IFS=';'
564 for e in $err
565 do
566 if test -n "$e"
567 then
568 echo >&2 "$e"
569 fi
570 done
571 IFS=$OIFS
572 exit 1
573 fi
574 }
575}
576set_name_rev () {
578 revname=$( (
579 clear_local_git_env
580 cd "$1" && {
581 git describe "$2" 2>/dev/null ||
582 git describe --tags "$2" 2>/dev/null ||
583 git describe --contains "$2" 2>/dev/null ||
584 git describe --all --always "$2"
585 }
586 ) )
587 test -z "$revname" || revname=" ($revname)"
588}
589#
590# Show commit summary for submodules in index or working tree
591#
592# If '--cached' is given, show summary between index and given commit,
593# or between working tree and given commit
594#
595# $@ = [commit (default 'HEAD'),] requested paths (default all)
596#
597cmd_summary() {
598 summary_limit=-1
599 for_status=
600 diff_cmd=diff-index
601 # parse $args after "submodule ... summary".
603 while test $# -ne 0
604 do
605 case "$1" in
606 --cached)
607 cached="$1"
608 ;;
609 --files)
610 files="$1"
611 ;;
612 --for-status)
613 for_status="$1"
614 ;;
615 -n|--summary-limit)
616 if summary_limit=$(($2 + 0)) 2>/dev/null && test "$summary_limit" = "$2"
617 then
618 :
619 else
620 usage
621 fi
622 shift
623 ;;
624 --)
625 shift
626 break
627 ;;
628 -*)
629 usage
630 ;;
631 *)
632 break
633 ;;
634 esac
635 shift
636 done
637 test $summary_limit = 0 && return
639 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
641 then
642 head=$rev
643 test $# = 0 || shift
644 elif test -z "$1" -o "$1" = "HEAD"
645 then
646 # before the first commit: compare with an empty tree
647 head=$(git hash-object -w -t tree --stdin </dev/null)
648 test -z "$1" || shift
649 else
650 head="HEAD"
651 fi
652 if [ -n "$files" ]
654 then
655 test -n "$cached" &&
656 die "$(gettext -- "--cached cannot be used with --files")"
657 diff_cmd=diff-files
658 head=
659 fi
660 cd_to_toplevel
662 # Get modified modules cared by user
663 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
664 sane_egrep '^:([0-7]* )?160000' |
665 while read mod_src mod_dst sha1_src sha1_dst status name
666 do
667 # Always show modules deleted or type-changed (blob<->module)
668 test $status = D -o $status = T && echo "$name" && continue
669 # Also show added or modified modules which are checked out
670 GIT_DIR="$name/.git" git-rev-parse --git-dir >/dev/null 2>&1 &&
671 echo "$name"
672 done
673 )
674 test -z "$modules" && return
676 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
678 sane_egrep '^:([0-7]* )?160000' |
679 cut -c2- |
680 while read mod_src mod_dst sha1_src sha1_dst status name
681 do
682 if test -z "$cached" &&
683 test $sha1_dst = 0000000000000000000000000000000000000000
684 then
685 case "$mod_dst" in
686 160000)
687 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
688 ;;
689 100644 | 100755 | 120000)
690 sha1_dst=$(git hash-object $name)
691 ;;
692 000000)
693 ;; # removed
694 *)
695 # unexpected type
696 eval_gettextln "unexpected mode \$mod_dst" >&2
697 continue ;;
698 esac
699 fi
700 missing_src=
701 missing_dst=
702 test $mod_src = 160000 &&
704 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_src^0 >/dev/null &&
705 missing_src=t
706 test $mod_dst = 160000 &&
708 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_dst^0 >/dev/null &&
709 missing_dst=t
710 total_commits=
712 case "$missing_src,$missing_dst" in
713 t,)
714 errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_src")"
715 ;;
716 ,t)
717 errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_dst")"
718 ;;
719 t,t)
720 errmsg="$(eval_gettext " Warn: \$name doesn't contain commits \$sha1_src and \$sha1_dst")"
721 ;;
722 *)
723 errmsg=
724 total_commits=$(
725 if test $mod_src = 160000 -a $mod_dst = 160000
726 then
727 range="$sha1_src...$sha1_dst"
728 elif test $mod_src = 160000
729 then
730 range=$sha1_src
731 else
732 range=$sha1_dst
733 fi
734 GIT_DIR="$name/.git" \
735 git rev-list --first-parent $range -- | wc -l
736 )
737 total_commits=" ($(($total_commits + 0)))"
738 ;;
739 esac
740 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
742 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
743 if test $status = T
744 then
745 blob="$(gettext "blob")"
746 submodule="$(gettext "submodule")"
747 if test $mod_dst = 160000
748 then
749 echo "* $name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
750 else
751 echo "* $name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
752 fi
753 else
754 echo "* $name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
755 fi
756 if test -n "$errmsg"
757 then
758 # Don't give error msg for modification whose dst is not submodule
759 # i.e. deleted or changed to blob
760 test $mod_dst = 160000 && echo "$errmsg"
761 else
762 if test $mod_src = 160000 -a $mod_dst = 160000
763 then
764 limit=
765 test $summary_limit -gt 0 && limit="-$summary_limit"
766 GIT_DIR="$name/.git" \
767 git log $limit --pretty='format: %m %s' \
768 --first-parent $sha1_src...$sha1_dst
769 elif test $mod_dst = 160000
770 then
771 GIT_DIR="$name/.git" \
772 git log --pretty='format: > %s' -1 $sha1_dst
773 else
774 GIT_DIR="$name/.git" \
775 git log --pretty='format: < %s' -1 $sha1_src
776 fi
777 echo
778 fi
779 echo
780 done |
781 if test -n "$for_status"; then
782 if [ -n "$files" ]; then
783 gettextln "# Submodules changed but not updated:"
784 else
785 gettextln "# Submodule changes to be committed:"
786 fi
787 echo "#"
788 sed -e 's|^|# |' -e 's|^# $|#|'
789 else
790 cat
791 fi
792}
793#
794# List all submodules, prefixed with:
795# - submodule not initialized
796# + different revision checked out
797#
798# If --cached was specified the revision in the index will be printed
799# instead of the currently checked out revision.
800#
801# $@ = requested paths (default to all)
802#
803cmd_status()
804{
805 # parse $args after "submodule ... status".
806 orig_flags=
807 while test $# -ne 0
808 do
809 case "$1" in
810 -q|--quiet)
811 GIT_QUIET=1
812 ;;
813 --cached)
814 cached=1
815 ;;
816 --recursive)
817 recursive=1
818 ;;
819 --)
820 shift
821 break
822 ;;
823 -*)
824 usage
825 ;;
826 *)
827 break
828 ;;
829 esac
830 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
831 shift
832 done
833 module_list "$@" |
835 while read mode sha1 stage path
836 do
837 name=$(module_name "$path") || exit
838 url=$(git config submodule."$name".url)
839 displaypath="$prefix$path"
840 if test "$stage" = U
841 then
842 say "U$sha1 $displaypath"
843 continue
844 fi
845 if test -z "$url" || ! test -d "$path"/.git -o -f "$path"/.git
846 then
847 say "-$sha1 $displaypath"
848 continue;
849 fi
850 set_name_rev "$path" "$sha1"
851 if git diff-files --ignore-submodules=dirty --quiet -- "$path"
852 then
853 say " $sha1 $displaypath$revname"
854 else
855 if test -z "$cached"
856 then
857 sha1=$(clear_local_git_env; cd "$path" && git rev-parse --verify HEAD)
858 set_name_rev "$path" "$sha1"
859 fi
860 say "+$sha1 $displaypath$revname"
861 fi
862 if test -n "$recursive"
864 then
865 (
866 prefix="$displaypath/"
867 clear_local_git_env
868 cd "$path" &&
869 eval cmd_status "$orig_args"
870 ) ||
871 die "$(eval_gettext "Failed to recurse into submodule path '\$path'")"
872 fi
873 done
874}
875#
876# Sync remote urls for submodules
877# This makes the value for remote.$remote.url match the value
878# specified in .gitmodules.
879#
880cmd_sync()
881{
882 while test $# -ne 0
883 do
884 case "$1" in
885 -q|--quiet)
886 GIT_QUIET=1
887 shift
888 ;;
889 --)
890 shift
891 break
892 ;;
893 -*)
894 usage
895 ;;
896 *)
897 break
898 ;;
899 esac
900 done
901 cd_to_toplevel
902 module_list "$@" |
903 while read mode sha1 stage path
904 do
905 name=$(module_name "$path")
906 url=$(git config -f .gitmodules --get submodule."$name".url)
907 # Possibly a url relative to parent
909 case "$url" in
910 ./*|../*)
911 url=$(resolve_relative_url "$url") || exit
912 ;;
913 esac
914 if git config "submodule.$name.url" >/dev/null 2>/dev/null
916 then
917 say "$(eval_gettext "Synchronizing submodule url for '\$name'")"
918 git config submodule."$name".url "$url"
919 if test -e "$path"/.git
921 then
922 (
923 clear_local_git_env
924 cd "$path"
925 remote=$(get_default_remote)
926 git config remote."$remote".url "$url"
927 )
928 fi
929 fi
930 done
931}
932# This loop parses the command line arguments to find the
934# subcommand name to dispatch. Parsing of the subcommand specific
935# options are primarily done by the subcommand implementations.
936# Subcommand specific options such as --branch and --cached are
937# parsed here as well, for backward compatibility.
938while test $# != 0 && test -z "$command"
940do
941 case "$1" in
942 add | foreach | init | update | status | summary | sync)
943 command=$1
944 ;;
945 -q|--quiet)
946 GIT_QUIET=1
947 ;;
948 -b|--branch)
949 case "$2" in
950 '')
951 usage
952 ;;
953 esac
954 branch="$2"; shift
955 ;;
956 --cached)
957 cached="$1"
958 ;;
959 --)
960 break
961 ;;
962 -*)
963 usage
964 ;;
965 *)
966 break
967 ;;
968 esac
969 shift
970done
971# No command word defaults to "status"
973test -n "$command" || command=status
974# "-b branch" is accepted only by "add"
976if test -n "$branch" && test "$command" != add
977then
978 usage
979fi
980# "--cached" is accepted only by "status" and "summary"
982if test -n "$cached" && test "$command" != status -a "$command" != summary
983then
984 usage
985fi
986"cmd_$command" "$@"