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 gitdir=
132 gitdir_base=
133 name=$(module_name "$path" 2>/dev/null)
134 test -n "$name" || name="$path"
135 base_path=$(dirname "$path")
136 gitdir=$(git rev-parse --git-dir)
138 gitdir_base="$gitdir/modules/$base_path"
139 gitdir="$gitdir/modules/$path"
140 case $gitdir in
142 /*)
143 a="$(cd_to_toplevel && pwd)/"
144 b=$gitdir
145 while [ "$b" ] && [ "${a%%/*}" = "${b%%/*}" ]
146 do
147 a=${a#*/} b=${b#*/};
148 done
149 rel="$a$name"
151 rel=`echo $rel | sed -e 's|[^/]*|..|g'`
152 rel_gitdir="$rel/$b"
153 ;;
154 *)
155 rel=`echo $name | sed -e 's|[^/]*|..|g'`
156 rel_gitdir="$rel/$gitdir"
157 ;;
158 esac
159 if test -d "$gitdir"
161 then
162 mkdir -p "$path"
163 echo "gitdir: $rel_gitdir" >"$path/.git"
164 rm -f "$gitdir/index"
165 else
166 mkdir -p "$gitdir_base"
167 if test -n "$reference"
168 then
169 git-clone $quiet "$reference" -n "$url" "$path" --separate-git-dir "$gitdir"
170 else
171 git-clone $quiet -n "$url" "$path" --separate-git-dir "$gitdir"
172 fi ||
173 die "$(eval_gettext "Clone of '\$url' into submodule path '\$path' failed")"
174 fi
175}
176#
178# Add a new submodule to the working tree, .gitmodules and the index
179#
180# $@ = repo path
181#
182# optional branch is stored in global branch variable
183#
184cmd_add()
185{
186 # parse $args after "submodule ... add".
187 while test $# -ne 0
188 do
189 case "$1" in
190 -b | --branch)
191 case "$2" in '') usage ;; esac
192 branch=$2
193 shift
194 ;;
195 -f | --force)
196 force=$1
197 ;;
198 -q|--quiet)
199 GIT_QUIET=1
200 ;;
201 --reference)
202 case "$2" in '') usage ;; esac
203 reference="--reference=$2"
204 shift
205 ;;
206 --reference=*)
207 reference="$1"
208 shift
209 ;;
210 --)
211 shift
212 break
213 ;;
214 -*)
215 usage
216 ;;
217 *)
218 break
219 ;;
220 esac
221 shift
222 done
223 repo=$1
225 path=$2
226 if test -z "$path"; then
228 path=$(echo "$repo" |
229 sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
230 fi
231 if test -z "$repo" -o -z "$path"; then
233 usage
234 fi
235 # assure repo is absolute or relative to parent
237 case "$repo" in
238 ./*|../*)
239 # dereference source url relative to parent's url
240 realrepo=$(resolve_relative_url "$repo") || exit
241 ;;
242 *:*|/*)
243 # absolute url
244 realrepo=$repo
245 ;;
246 *)
247 die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")"
248 ;;
249 esac
250 # normalize path:
252 # multiple //; leading ./; /./; /../; trailing /
253 path=$(printf '%s/\n' "$path" |
254 sed -e '
255 s|//*|/|g
256 s|^\(\./\)*||
257 s|/\./|/|g
258 :start
259 s|\([^/]*\)/\.\./||
260 tstart
261 s|/*$||
262 ')
263 git ls-files --error-unmatch "$path" > /dev/null 2>&1 &&
264 die "$(eval_gettext "'\$path' already exists in the index")"
265 if test -z "$force" && ! git add --dry-run --ignore-missing "$path" > /dev/null 2>&1
267 then
268 eval_gettextln "The following path is ignored by one of your .gitignore files:
269\$path
270Use -f if you really want to add it." >&2
271 exit 1
272 fi
273 # perhaps the path exists and is already a git repo, else clone it
275 if test -e "$path"
276 then
277 if test -d "$path"/.git -o -f "$path"/.git
278 then
279 eval_gettextln "Adding existing repo at '\$path' to the index"
280 else
281 die "$(eval_gettext "'\$path' already exists and is not a valid git repo")"
282 fi
283 else
285 module_clone "$path" "$realrepo" "$reference" || exit
287 (
288 clear_local_git_env
289 cd "$path" &&
290 # ash fails to wordsplit ${branch:+-b "$branch"...}
291 case "$branch" in
292 '') git checkout -f -q ;;
293 ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
294 esac
295 ) || die "$(eval_gettext "Unable to checkout submodule '\$path'")"
296 fi
297 git config submodule."$path".url "$realrepo"
298 git add $force "$path" ||
300 die "$(eval_gettext "Failed to add submodule '\$path'")"
301 git config -f .gitmodules submodule."$path".path "$path" &&
303 git config -f .gitmodules submodule."$path".url "$repo" &&
304 git add --force .gitmodules ||
305 die "$(eval_gettext "Failed to register submodule '\$path'")"
306}
307#
309# Execute an arbitrary command sequence in each checked out
310# submodule
311#
312# $@ = command to execute
313#
314cmd_foreach()
315{
316 # parse $args after "submodule ... foreach".
317 while test $# -ne 0
318 do
319 case "$1" in
320 -q|--quiet)
321 GIT_QUIET=1
322 ;;
323 --recursive)
324 recursive=1
325 ;;
326 -*)
327 usage
328 ;;
329 *)
330 break
331 ;;
332 esac
333 shift
334 done
335 toplevel=$(pwd)
337 # dup stdin so that it can be restored when running the external
339 # command in the subshell (and a recursive call to this function)
340 exec 3<&0
341 module_list |
343 while read mode sha1 stage path
344 do
345 if test -e "$path"/.git
346 then
347 say "$(eval_gettext "Entering '\$prefix\$path'")"
348 name=$(module_name "$path")
349 (
350 prefix="$prefix$path/"
351 clear_local_git_env
352 cd "$path" &&
353 eval "$@" &&
354 if test -n "$recursive"
355 then
356 cmd_foreach "--recursive" "$@"
357 fi
358 ) <&3 3<&- ||
359 die "$(eval_gettext "Stopping at '\$path'; script returned non-zero status.")"
360 fi
361 done
362}
363#
365# Register submodules in .git/config
366#
367# $@ = requested paths (default to all)
368#
369cmd_init()
370{
371 # parse $args after "submodule ... init".
372 while test $# -ne 0
373 do
374 case "$1" in
375 -q|--quiet)
376 GIT_QUIET=1
377 ;;
378 --)
379 shift
380 break
381 ;;
382 -*)
383 usage
384 ;;
385 *)
386 break
387 ;;
388 esac
389 shift
390 done
391 module_list "$@" |
393 while read mode sha1 stage path
394 do
395 # Skip already registered paths
396 name=$(module_name "$path") || exit
397 if test -z "$(git config "submodule.$name.url")"
398 then
399 url=$(git config -f .gitmodules submodule."$name".url)
400 test -z "$url" &&
401 die "$(eval_gettext "No url found for submodule path '\$path' in .gitmodules")"
402 # Possibly a url relative to parent
404 case "$url" in
405 ./*|../*)
406 url=$(resolve_relative_url "$url") || exit
407 ;;
408 esac
409 git config submodule."$name".url "$url" ||
410 die "$(eval_gettext "Failed to register url for submodule path '\$path'")"
411 fi
412 # Copy "update" setting when it is not set yet
414 upd="$(git config -f .gitmodules submodule."$name".update)"
415 test -z "$upd" ||
416 test -n "$(git config submodule."$name".update)" ||
417 git config submodule."$name".update "$upd" ||
418 die "$(eval_gettext "Failed to register update mode for submodule path '\$path'")"
419 say "$(eval_gettext "Submodule '\$name' (\$url) registered for path '\$path'")"
421 done
422}
423#
425# Update each submodule path to correct revision, using clone and checkout as needed
426#
427# $@ = requested paths (default to all)
428#
429cmd_update()
430{
431 # parse $args after "submodule ... update".
432 orig_flags=
433 while test $# -ne 0
434 do
435 case "$1" in
436 -q|--quiet)
437 GIT_QUIET=1
438 ;;
439 -i|--init)
440 init=1
441 ;;
442 -N|--no-fetch)
443 nofetch=1
444 ;;
445 -f|--force)
446 force=$1
447 ;;
448 -r|--rebase)
449 update="rebase"
450 ;;
451 --reference)
452 case "$2" in '') usage ;; esac
453 reference="--reference=$2"
454 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
455 shift
456 ;;
457 --reference=*)
458 reference="$1"
459 ;;
460 -m|--merge)
461 update="merge"
462 ;;
463 --recursive)
464 recursive=1
465 ;;
466 --checkout)
467 update="checkout"
468 ;;
469 --)
470 shift
471 break
472 ;;
473 -*)
474 usage
475 ;;
476 *)
477 break
478 ;;
479 esac
480 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
481 shift
482 done
483 if test -n "$init"
485 then
486 cmd_init "--" "$@" || return
487 fi
488 cloned_modules=
490 module_list "$@" | {
491 err=
492 while read mode sha1 stage path
493 do
494 if test "$stage" = U
495 then
496 echo >&2 "Skipping unmerged submodule $path"
497 continue
498 fi
499 name=$(module_name "$path") || exit
500 url=$(git config submodule."$name".url)
501 if ! test -z "$update"
502 then
503 update_module=$update
504 else
505 update_module=$(git config submodule."$name".update)
506 fi
507 if test "$update_module" = "none"
509 then
510 echo "Skipping submodule '$path'"
511 continue
512 fi
513 if test -z "$url"
515 then
516 # Only mention uninitialized submodules when its
517 # path have been specified
518 test "$#" != "0" &&
519 say "$(eval_gettext "Submodule path '\$path' not initialized
520Maybe you want to use 'update --init'?")"
521 continue
522 fi
523 if ! test -d "$path"/.git -o -f "$path"/.git
525 then
526 module_clone "$path" "$url" "$reference"|| exit
527 cloned_modules="$cloned_modules;$name"
528 subsha1=
529 else
530 subsha1=$(clear_local_git_env; cd "$path" &&
531 git rev-parse --verify HEAD) ||
532 die "$(eval_gettext "Unable to find current revision in submodule path '\$path'")"
533 fi
534 if test "$subsha1" != "$sha1"
536 then
537 subforce=$force
538 # If we don't already have a -f flag and the submodule has never been checked out
539 if test -z "$subsha1" -a -z "$force"
540 then
541 subforce="-f"
542 fi
543 if test -z "$nofetch"
545 then
546 # Run fetch only if $sha1 isn't present or it
547 # is not reachable from a ref.
548 (clear_local_git_env; cd "$path" &&
549 ( (rev=$(git rev-list -n 1 $sha1 --not --all 2>/dev/null) &&
550 test -z "$rev") || git-fetch)) ||
551 die "$(eval_gettext "Unable to fetch in submodule path '\$path'")"
552 fi
553 # Is this something we just cloned?
555 case ";$cloned_modules;" in
556 *";$name;"*)
557 # then there is no local change to integrate
558 update_module= ;;
559 esac
560 must_die_on_failure=
562 case "$update_module" in
563 rebase)
564 command="git rebase"
565 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$path'")"
566 say_msg="$(eval_gettext "Submodule path '\$path': rebased into '\$sha1'")"
567 must_die_on_failure=yes
568 ;;
569 merge)
570 command="git merge"
571 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$path'")"
572 say_msg="$(eval_gettext "Submodule path '\$path': merged in '\$sha1'")"
573 must_die_on_failure=yes
574 ;;
575 *)
576 command="git checkout $subforce -q"
577 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$path'")"
578 say_msg="$(eval_gettext "Submodule path '\$path': checked out '\$sha1'")"
579 ;;
580 esac
581 if (clear_local_git_env; cd "$path" && $command "$sha1")
583 then
584 say "$say_msg"
585 elif test -n "$must_die_on_failure"
586 then
587 die_with_status 2 "$die_msg"
588 else
589 err="${err};$die_msg"
590 continue
591 fi
592 fi
593 if test -n "$recursive"
595 then
596 (clear_local_git_env; cd "$path" && eval cmd_update "$orig_flags")
597 res=$?
598 if test $res -gt 0
599 then
600 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$path'")"
601 if test $res -eq 1
602 then
603 err="${err};$die_msg"
604 continue
605 else
606 die_with_status $res "$die_msg"
607 fi
608 fi
609 fi
610 done
611 if test -n "$err"
613 then
614 OIFS=$IFS
615 IFS=';'
616 for e in $err
617 do
618 if test -n "$e"
619 then
620 echo >&2 "$e"
621 fi
622 done
623 IFS=$OIFS
624 exit 1
625 fi
626 }
627}
628set_name_rev () {
630 revname=$( (
631 clear_local_git_env
632 cd "$1" && {
633 git describe "$2" 2>/dev/null ||
634 git describe --tags "$2" 2>/dev/null ||
635 git describe --contains "$2" 2>/dev/null ||
636 git describe --all --always "$2"
637 }
638 ) )
639 test -z "$revname" || revname=" ($revname)"
640}
641#
642# Show commit summary for submodules in index or working tree
643#
644# If '--cached' is given, show summary between index and given commit,
645# or between working tree and given commit
646#
647# $@ = [commit (default 'HEAD'),] requested paths (default all)
648#
649cmd_summary() {
650 summary_limit=-1
651 for_status=
652 diff_cmd=diff-index
653 # parse $args after "submodule ... summary".
655 while test $# -ne 0
656 do
657 case "$1" in
658 --cached)
659 cached="$1"
660 ;;
661 --files)
662 files="$1"
663 ;;
664 --for-status)
665 for_status="$1"
666 ;;
667 -n|--summary-limit)
668 if summary_limit=$(($2 + 0)) 2>/dev/null && test "$summary_limit" = "$2"
669 then
670 :
671 else
672 usage
673 fi
674 shift
675 ;;
676 --)
677 shift
678 break
679 ;;
680 -*)
681 usage
682 ;;
683 *)
684 break
685 ;;
686 esac
687 shift
688 done
689 test $summary_limit = 0 && return
691 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
693 then
694 head=$rev
695 test $# = 0 || shift
696 elif test -z "$1" -o "$1" = "HEAD"
697 then
698 # before the first commit: compare with an empty tree
699 head=$(git hash-object -w -t tree --stdin </dev/null)
700 test -z "$1" || shift
701 else
702 head="HEAD"
703 fi
704 if [ -n "$files" ]
706 then
707 test -n "$cached" &&
708 die "$(gettext -- "--cached cannot be used with --files")"
709 diff_cmd=diff-files
710 head=
711 fi
712 cd_to_toplevel
714 # Get modified modules cared by user
715 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
716 sane_egrep '^:([0-7]* )?160000' |
717 while read mod_src mod_dst sha1_src sha1_dst status name
718 do
719 # Always show modules deleted or type-changed (blob<->module)
720 test $status = D -o $status = T && echo "$name" && continue
721 # Also show added or modified modules which are checked out
722 GIT_DIR="$name/.git" git-rev-parse --git-dir >/dev/null 2>&1 &&
723 echo "$name"
724 done
725 )
726 test -z "$modules" && return
728 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
730 sane_egrep '^:([0-7]* )?160000' |
731 cut -c2- |
732 while read mod_src mod_dst sha1_src sha1_dst status name
733 do
734 if test -z "$cached" &&
735 test $sha1_dst = 0000000000000000000000000000000000000000
736 then
737 case "$mod_dst" in
738 160000)
739 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
740 ;;
741 100644 | 100755 | 120000)
742 sha1_dst=$(git hash-object $name)
743 ;;
744 000000)
745 ;; # removed
746 *)
747 # unexpected type
748 eval_gettextln "unexpected mode \$mod_dst" >&2
749 continue ;;
750 esac
751 fi
752 missing_src=
753 missing_dst=
754 test $mod_src = 160000 &&
756 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_src^0 >/dev/null &&
757 missing_src=t
758 test $mod_dst = 160000 &&
760 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_dst^0 >/dev/null &&
761 missing_dst=t
762 total_commits=
764 case "$missing_src,$missing_dst" in
765 t,)
766 errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_src")"
767 ;;
768 ,t)
769 errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_dst")"
770 ;;
771 t,t)
772 errmsg="$(eval_gettext " Warn: \$name doesn't contain commits \$sha1_src and \$sha1_dst")"
773 ;;
774 *)
775 errmsg=
776 total_commits=$(
777 if test $mod_src = 160000 -a $mod_dst = 160000
778 then
779 range="$sha1_src...$sha1_dst"
780 elif test $mod_src = 160000
781 then
782 range=$sha1_src
783 else
784 range=$sha1_dst
785 fi
786 GIT_DIR="$name/.git" \
787 git rev-list --first-parent $range -- | wc -l
788 )
789 total_commits=" ($(($total_commits + 0)))"
790 ;;
791 esac
792 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
794 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
795 if test $status = T
796 then
797 blob="$(gettext "blob")"
798 submodule="$(gettext "submodule")"
799 if test $mod_dst = 160000
800 then
801 echo "* $name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
802 else
803 echo "* $name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
804 fi
805 else
806 echo "* $name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
807 fi
808 if test -n "$errmsg"
809 then
810 # Don't give error msg for modification whose dst is not submodule
811 # i.e. deleted or changed to blob
812 test $mod_dst = 160000 && echo "$errmsg"
813 else
814 if test $mod_src = 160000 -a $mod_dst = 160000
815 then
816 limit=
817 test $summary_limit -gt 0 && limit="-$summary_limit"
818 GIT_DIR="$name/.git" \
819 git log $limit --pretty='format: %m %s' \
820 --first-parent $sha1_src...$sha1_dst
821 elif test $mod_dst = 160000
822 then
823 GIT_DIR="$name/.git" \
824 git log --pretty='format: > %s' -1 $sha1_dst
825 else
826 GIT_DIR="$name/.git" \
827 git log --pretty='format: < %s' -1 $sha1_src
828 fi
829 echo
830 fi
831 echo
832 done |
833 if test -n "$for_status"; then
834 if [ -n "$files" ]; then
835 gettextln "# Submodules changed but not updated:"
836 else
837 gettextln "# Submodule changes to be committed:"
838 fi
839 echo "#"
840 sed -e 's|^|# |' -e 's|^# $|#|'
841 else
842 cat
843 fi
844}
845#
846# List all submodules, prefixed with:
847# - submodule not initialized
848# + different revision checked out
849#
850# If --cached was specified the revision in the index will be printed
851# instead of the currently checked out revision.
852#
853# $@ = requested paths (default to all)
854#
855cmd_status()
856{
857 # parse $args after "submodule ... status".
858 orig_flags=
859 while test $# -ne 0
860 do
861 case "$1" in
862 -q|--quiet)
863 GIT_QUIET=1
864 ;;
865 --cached)
866 cached=1
867 ;;
868 --recursive)
869 recursive=1
870 ;;
871 --)
872 shift
873 break
874 ;;
875 -*)
876 usage
877 ;;
878 *)
879 break
880 ;;
881 esac
882 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
883 shift
884 done
885 module_list "$@" |
887 while read mode sha1 stage path
888 do
889 name=$(module_name "$path") || exit
890 url=$(git config submodule."$name".url)
891 displaypath="$prefix$path"
892 if test "$stage" = U
893 then
894 say "U$sha1 $displaypath"
895 continue
896 fi
897 if test -z "$url" || ! test -d "$path"/.git -o -f "$path"/.git
898 then
899 say "-$sha1 $displaypath"
900 continue;
901 fi
902 set_name_rev "$path" "$sha1"
903 if git diff-files --ignore-submodules=dirty --quiet -- "$path"
904 then
905 say " $sha1 $displaypath$revname"
906 else
907 if test -z "$cached"
908 then
909 sha1=$(clear_local_git_env; cd "$path" && git rev-parse --verify HEAD)
910 set_name_rev "$path" "$sha1"
911 fi
912 say "+$sha1 $displaypath$revname"
913 fi
914 if test -n "$recursive"
916 then
917 (
918 prefix="$displaypath/"
919 clear_local_git_env
920 cd "$path" &&
921 eval cmd_status "$orig_args"
922 ) ||
923 die "$(eval_gettext "Failed to recurse into submodule path '\$path'")"
924 fi
925 done
926}
927#
928# Sync remote urls for submodules
929# This makes the value for remote.$remote.url match the value
930# specified in .gitmodules.
931#
932cmd_sync()
933{
934 while test $# -ne 0
935 do
936 case "$1" in
937 -q|--quiet)
938 GIT_QUIET=1
939 shift
940 ;;
941 --)
942 shift
943 break
944 ;;
945 -*)
946 usage
947 ;;
948 *)
949 break
950 ;;
951 esac
952 done
953 cd_to_toplevel
954 module_list "$@" |
955 while read mode sha1 stage path
956 do
957 name=$(module_name "$path")
958 url=$(git config -f .gitmodules --get submodule."$name".url)
959 # Possibly a url relative to parent
961 case "$url" in
962 ./*|../*)
963 url=$(resolve_relative_url "$url") || exit
964 ;;
965 esac
966 if git config "submodule.$name.url" >/dev/null 2>/dev/null
968 then
969 say "$(eval_gettext "Synchronizing submodule url for '\$name'")"
970 git config submodule."$name".url "$url"
971 if test -e "$path"/.git
973 then
974 (
975 clear_local_git_env
976 cd "$path"
977 remote=$(get_default_remote)
978 git config remote."$remote".url "$url"
979 )
980 fi
981 fi
982 done
983}
984# This loop parses the command line arguments to find the
986# subcommand name to dispatch. Parsing of the subcommand specific
987# options are primarily done by the subcommand implementations.
988# Subcommand specific options such as --branch and --cached are
989# parsed here as well, for backward compatibility.
990while test $# != 0 && test -z "$command"
992do
993 case "$1" in
994 add | foreach | init | update | status | summary | sync)
995 command=$1
996 ;;
997 -q|--quiet)
998 GIT_QUIET=1
999 ;;
1000 -b|--branch)
1001 case "$2" in
1002 '')
1003 usage
1004 ;;
1005 esac
1006 branch="$2"; shift
1007 ;;
1008 --cached)
1009 cached="$1"
1010 ;;
1011 --)
1012 break
1013 ;;
1014 -*)
1015 usage
1016 ;;
1017 *)
1018 break
1019 ;;
1020 esac
1021 shift
1022done
1023# No command word defaults to "status"
1025test -n "$command" || command=status
1026# "-b branch" is accepted only by "add"
1028if test -n "$branch" && test "$command" != add
1029then
1030 usage
1031fi
1032# "--cached" is accepted only by "status" and "summary"
1034if test -n "$cached" && test "$command" != status -a "$command" != summary
1035then
1036 usage
1037fi
1038"cmd_$command" "$@"