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_name=$(dirname "$name")
136 gitdir=$(git rev-parse --git-dir)
138 gitdir_base="$gitdir/modules/$base_name"
139 gitdir="$gitdir/modules/$name"
140 if test -d "$gitdir"
142 then
143 mkdir -p "$path"
144 rm -f "$gitdir/index"
145 else
146 mkdir -p "$gitdir_base"
147 git clone $quiet -n ${reference:+"$reference"} \
148 --separate-git-dir "$gitdir" "$url" "$path" ||
149 die "$(eval_gettext "Clone of '\$url' into submodule path '\$path' failed")"
150 fi
151 a=$(cd "$gitdir" && pwd)/
153 b=$(cd "$path" && pwd)/
154 # Remove all common leading directories after a sanity check
155 if test "${a#$b}" != "$a" || test "${b#$a}" != "$b"; then
156 die "$(eval_gettext "Gitdir '\$a' is part of the submodule path '\$b' or vice versa")"
157 fi
158 while test "${a%%/*}" = "${b%%/*}"
159 do
160 a=${a#*/}
161 b=${b#*/}
162 done
163 # Now chop off the trailing '/'s that were added in the beginning
164 a=${a%/}
165 b=${b%/}
166 rel=$(echo $b | sed -e 's|[^/]*|..|g')
168 echo "gitdir: $rel/$a" >"$path/.git"
169 rel=$(echo $a | sed -e 's|[^/]*|..|g')
171 (clear_local_git_env; cd "$path" && GIT_WORK_TREE=. git config core.worktree "$rel/$b")
172}
173#
175# Add a new submodule to the working tree, .gitmodules and the index
176#
177# $@ = repo path
178#
179# optional branch is stored in global branch variable
180#
181cmd_add()
182{
183 # parse $args after "submodule ... add".
184 while test $# -ne 0
185 do
186 case "$1" in
187 -b | --branch)
188 case "$2" in '') usage ;; esac
189 branch=$2
190 shift
191 ;;
192 -f | --force)
193 force=$1
194 ;;
195 -q|--quiet)
196 GIT_QUIET=1
197 ;;
198 --reference)
199 case "$2" in '') usage ;; esac
200 reference="--reference=$2"
201 shift
202 ;;
203 --reference=*)
204 reference="$1"
205 shift
206 ;;
207 --)
208 shift
209 break
210 ;;
211 -*)
212 usage
213 ;;
214 *)
215 break
216 ;;
217 esac
218 shift
219 done
220 repo=$1
222 path=$2
223 if test -z "$path"; then
225 path=$(echo "$repo" |
226 sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
227 fi
228 if test -z "$repo" -o -z "$path"; then
230 usage
231 fi
232 # assure repo is absolute or relative to parent
234 case "$repo" in
235 ./*|../*)
236 # dereference source url relative to parent's url
237 realrepo=$(resolve_relative_url "$repo") || exit
238 ;;
239 *:*|/*)
240 # absolute url
241 realrepo=$repo
242 ;;
243 *)
244 die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")"
245 ;;
246 esac
247 # normalize path:
249 # multiple //; leading ./; /./; /../; trailing /
250 path=$(printf '%s/\n' "$path" |
251 sed -e '
252 s|//*|/|g
253 s|^\(\./\)*||
254 s|/\./|/|g
255 :start
256 s|\([^/]*\)/\.\./||
257 tstart
258 s|/*$||
259 ')
260 git ls-files --error-unmatch "$path" > /dev/null 2>&1 &&
261 die "$(eval_gettext "'\$path' already exists in the index")"
262 if test -z "$force" && ! git add --dry-run --ignore-missing "$path" > /dev/null 2>&1
264 then
265 eval_gettextln "The following path is ignored by one of your .gitignore files:
266\$path
267Use -f if you really want to add it." >&2
268 exit 1
269 fi
270 # perhaps the path exists and is already a git repo, else clone it
272 if test -e "$path"
273 then
274 if test -d "$path"/.git -o -f "$path"/.git
275 then
276 eval_gettextln "Adding existing repo at '\$path' to the index"
277 else
278 die "$(eval_gettext "'\$path' already exists and is not a valid git repo")"
279 fi
280 else
282 module_clone "$path" "$realrepo" "$reference" || exit
284 (
285 clear_local_git_env
286 cd "$path" &&
287 # ash fails to wordsplit ${branch:+-b "$branch"...}
288 case "$branch" in
289 '') git checkout -f -q ;;
290 ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
291 esac
292 ) || die "$(eval_gettext "Unable to checkout submodule '\$path'")"
293 fi
294 git config submodule."$path".url "$realrepo"
295 git add $force "$path" ||
297 die "$(eval_gettext "Failed to add submodule '\$path'")"
298 git config -f .gitmodules submodule."$path".path "$path" &&
300 git config -f .gitmodules submodule."$path".url "$repo" &&
301 git add --force .gitmodules ||
302 die "$(eval_gettext "Failed to register submodule '\$path'")"
303}
304#
306# Execute an arbitrary command sequence in each checked out
307# submodule
308#
309# $@ = command to execute
310#
311cmd_foreach()
312{
313 # parse $args after "submodule ... foreach".
314 while test $# -ne 0
315 do
316 case "$1" in
317 -q|--quiet)
318 GIT_QUIET=1
319 ;;
320 --recursive)
321 recursive=1
322 ;;
323 -*)
324 usage
325 ;;
326 *)
327 break
328 ;;
329 esac
330 shift
331 done
332 toplevel=$(pwd)
334 # dup stdin so that it can be restored when running the external
336 # command in the subshell (and a recursive call to this function)
337 exec 3<&0
338 module_list |
340 while read mode sha1 stage path
341 do
342 if test -e "$path"/.git
343 then
344 say "$(eval_gettext "Entering '\$prefix\$path'")"
345 name=$(module_name "$path")
346 (
347 prefix="$prefix$path/"
348 clear_local_git_env
349 cd "$path" &&
350 eval "$@" &&
351 if test -n "$recursive"
352 then
353 cmd_foreach "--recursive" "$@"
354 fi
355 ) <&3 3<&- ||
356 die "$(eval_gettext "Stopping at '\$path'; script returned non-zero status.")"
357 fi
358 done
359}
360#
362# Register submodules in .git/config
363#
364# $@ = requested paths (default to all)
365#
366cmd_init()
367{
368 # parse $args after "submodule ... init".
369 while test $# -ne 0
370 do
371 case "$1" in
372 -q|--quiet)
373 GIT_QUIET=1
374 ;;
375 --)
376 shift
377 break
378 ;;
379 -*)
380 usage
381 ;;
382 *)
383 break
384 ;;
385 esac
386 shift
387 done
388 module_list "$@" |
390 while read mode sha1 stage path
391 do
392 # Skip already registered paths
393 name=$(module_name "$path") || exit
394 if test -z "$(git config "submodule.$name.url")"
395 then
396 url=$(git config -f .gitmodules submodule."$name".url)
397 test -z "$url" &&
398 die "$(eval_gettext "No url found for submodule path '\$path' in .gitmodules")"
399 # Possibly a url relative to parent
401 case "$url" in
402 ./*|../*)
403 url=$(resolve_relative_url "$url") || exit
404 ;;
405 esac
406 git config submodule."$name".url "$url" ||
407 die "$(eval_gettext "Failed to register url for submodule path '\$path'")"
408 fi
409 # Copy "update" setting when it is not set yet
411 upd="$(git config -f .gitmodules submodule."$name".update)"
412 test -z "$upd" ||
413 test -n "$(git config submodule."$name".update)" ||
414 git config submodule."$name".update "$upd" ||
415 die "$(eval_gettext "Failed to register update mode for submodule path '\$path'")"
416 say "$(eval_gettext "Submodule '\$name' (\$url) registered for path '\$path'")"
418 done
419}
420#
422# Update each submodule path to correct revision, using clone and checkout as needed
423#
424# $@ = requested paths (default to all)
425#
426cmd_update()
427{
428 # parse $args after "submodule ... update".
429 orig_flags=
430 while test $# -ne 0
431 do
432 case "$1" in
433 -q|--quiet)
434 GIT_QUIET=1
435 ;;
436 -i|--init)
437 init=1
438 ;;
439 -N|--no-fetch)
440 nofetch=1
441 ;;
442 -f|--force)
443 force=$1
444 ;;
445 -r|--rebase)
446 update="rebase"
447 ;;
448 --reference)
449 case "$2" in '') usage ;; esac
450 reference="--reference=$2"
451 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
452 shift
453 ;;
454 --reference=*)
455 reference="$1"
456 ;;
457 -m|--merge)
458 update="merge"
459 ;;
460 --recursive)
461 recursive=1
462 ;;
463 --checkout)
464 update="checkout"
465 ;;
466 --)
467 shift
468 break
469 ;;
470 -*)
471 usage
472 ;;
473 *)
474 break
475 ;;
476 esac
477 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
478 shift
479 done
480 if test -n "$init"
482 then
483 cmd_init "--" "$@" || return
484 fi
485 cloned_modules=
487 module_list "$@" | {
488 err=
489 while read mode sha1 stage path
490 do
491 if test "$stage" = U
492 then
493 echo >&2 "Skipping unmerged submodule $path"
494 continue
495 fi
496 name=$(module_name "$path") || exit
497 url=$(git config submodule."$name".url)
498 if ! test -z "$update"
499 then
500 update_module=$update
501 else
502 update_module=$(git config submodule."$name".update)
503 fi
504 if test "$update_module" = "none"
506 then
507 echo "Skipping submodule '$path'"
508 continue
509 fi
510 if test -z "$url"
512 then
513 # Only mention uninitialized submodules when its
514 # path have been specified
515 test "$#" != "0" &&
516 say "$(eval_gettext "Submodule path '\$path' not initialized
517Maybe you want to use 'update --init'?")"
518 continue
519 fi
520 if ! test -d "$path"/.git -o -f "$path"/.git
522 then
523 module_clone "$path" "$url" "$reference"|| exit
524 cloned_modules="$cloned_modules;$name"
525 subsha1=
526 else
527 subsha1=$(clear_local_git_env; cd "$path" &&
528 git rev-parse --verify HEAD) ||
529 die "$(eval_gettext "Unable to find current revision in submodule path '\$path'")"
530 fi
531 if test "$subsha1" != "$sha1"
533 then
534 subforce=$force
535 # If we don't already have a -f flag and the submodule has never been checked out
536 if test -z "$subsha1" -a -z "$force"
537 then
538 subforce="-f"
539 fi
540 if test -z "$nofetch"
542 then
543 # Run fetch only if $sha1 isn't present or it
544 # is not reachable from a ref.
545 (clear_local_git_env; cd "$path" &&
546 ( (rev=$(git rev-list -n 1 $sha1 --not --all 2>/dev/null) &&
547 test -z "$rev") || git-fetch)) ||
548 die "$(eval_gettext "Unable to fetch in submodule path '\$path'")"
549 fi
550 # Is this something we just cloned?
552 case ";$cloned_modules;" in
553 *";$name;"*)
554 # then there is no local change to integrate
555 update_module= ;;
556 esac
557 must_die_on_failure=
559 case "$update_module" in
560 rebase)
561 command="git rebase"
562 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$path'")"
563 say_msg="$(eval_gettext "Submodule path '\$path': rebased into '\$sha1'")"
564 must_die_on_failure=yes
565 ;;
566 merge)
567 command="git merge"
568 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$path'")"
569 say_msg="$(eval_gettext "Submodule path '\$path': merged in '\$sha1'")"
570 must_die_on_failure=yes
571 ;;
572 *)
573 command="git checkout $subforce -q"
574 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$path'")"
575 say_msg="$(eval_gettext "Submodule path '\$path': checked out '\$sha1'")"
576 ;;
577 esac
578 if (clear_local_git_env; cd "$path" && $command "$sha1")
580 then
581 say "$say_msg"
582 elif test -n "$must_die_on_failure"
583 then
584 die_with_status 2 "$die_msg"
585 else
586 err="${err};$die_msg"
587 continue
588 fi
589 fi
590 if test -n "$recursive"
592 then
593 (clear_local_git_env; cd "$path" && eval cmd_update "$orig_flags")
594 res=$?
595 if test $res -gt 0
596 then
597 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$path'")"
598 if test $res -eq 1
599 then
600 err="${err};$die_msg"
601 continue
602 else
603 die_with_status $res "$die_msg"
604 fi
605 fi
606 fi
607 done
608 if test -n "$err"
610 then
611 OIFS=$IFS
612 IFS=';'
613 for e in $err
614 do
615 if test -n "$e"
616 then
617 echo >&2 "$e"
618 fi
619 done
620 IFS=$OIFS
621 exit 1
622 fi
623 }
624}
625set_name_rev () {
627 revname=$( (
628 clear_local_git_env
629 cd "$1" && {
630 git describe "$2" 2>/dev/null ||
631 git describe --tags "$2" 2>/dev/null ||
632 git describe --contains "$2" 2>/dev/null ||
633 git describe --all --always "$2"
634 }
635 ) )
636 test -z "$revname" || revname=" ($revname)"
637}
638#
639# Show commit summary for submodules in index or working tree
640#
641# If '--cached' is given, show summary between index and given commit,
642# or between working tree and given commit
643#
644# $@ = [commit (default 'HEAD'),] requested paths (default all)
645#
646cmd_summary() {
647 summary_limit=-1
648 for_status=
649 diff_cmd=diff-index
650 # parse $args after "submodule ... summary".
652 while test $# -ne 0
653 do
654 case "$1" in
655 --cached)
656 cached="$1"
657 ;;
658 --files)
659 files="$1"
660 ;;
661 --for-status)
662 for_status="$1"
663 ;;
664 -n|--summary-limit)
665 if summary_limit=$(($2 + 0)) 2>/dev/null && test "$summary_limit" = "$2"
666 then
667 :
668 else
669 usage
670 fi
671 shift
672 ;;
673 --)
674 shift
675 break
676 ;;
677 -*)
678 usage
679 ;;
680 *)
681 break
682 ;;
683 esac
684 shift
685 done
686 test $summary_limit = 0 && return
688 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
690 then
691 head=$rev
692 test $# = 0 || shift
693 elif test -z "$1" -o "$1" = "HEAD"
694 then
695 # before the first commit: compare with an empty tree
696 head=$(git hash-object -w -t tree --stdin </dev/null)
697 test -z "$1" || shift
698 else
699 head="HEAD"
700 fi
701 if [ -n "$files" ]
703 then
704 test -n "$cached" &&
705 die "$(gettext -- "--cached cannot be used with --files")"
706 diff_cmd=diff-files
707 head=
708 fi
709 cd_to_toplevel
711 # Get modified modules cared by user
712 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
713 sane_egrep '^:([0-7]* )?160000' |
714 while read mod_src mod_dst sha1_src sha1_dst status name
715 do
716 # Always show modules deleted or type-changed (blob<->module)
717 test $status = D -o $status = T && echo "$name" && continue
718 # Also show added or modified modules which are checked out
719 GIT_DIR="$name/.git" git-rev-parse --git-dir >/dev/null 2>&1 &&
720 echo "$name"
721 done
722 )
723 test -z "$modules" && return
725 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
727 sane_egrep '^:([0-7]* )?160000' |
728 cut -c2- |
729 while read mod_src mod_dst sha1_src sha1_dst status name
730 do
731 if test -z "$cached" &&
732 test $sha1_dst = 0000000000000000000000000000000000000000
733 then
734 case "$mod_dst" in
735 160000)
736 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
737 ;;
738 100644 | 100755 | 120000)
739 sha1_dst=$(git hash-object $name)
740 ;;
741 000000)
742 ;; # removed
743 *)
744 # unexpected type
745 eval_gettextln "unexpected mode \$mod_dst" >&2
746 continue ;;
747 esac
748 fi
749 missing_src=
750 missing_dst=
751 test $mod_src = 160000 &&
753 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_src^0 >/dev/null &&
754 missing_src=t
755 test $mod_dst = 160000 &&
757 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_dst^0 >/dev/null &&
758 missing_dst=t
759 total_commits=
761 case "$missing_src,$missing_dst" in
762 t,)
763 errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_src")"
764 ;;
765 ,t)
766 errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_dst")"
767 ;;
768 t,t)
769 errmsg="$(eval_gettext " Warn: \$name doesn't contain commits \$sha1_src and \$sha1_dst")"
770 ;;
771 *)
772 errmsg=
773 total_commits=$(
774 if test $mod_src = 160000 -a $mod_dst = 160000
775 then
776 range="$sha1_src...$sha1_dst"
777 elif test $mod_src = 160000
778 then
779 range=$sha1_src
780 else
781 range=$sha1_dst
782 fi
783 GIT_DIR="$name/.git" \
784 git rev-list --first-parent $range -- | wc -l
785 )
786 total_commits=" ($(($total_commits + 0)))"
787 ;;
788 esac
789 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
791 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
792 if test $status = T
793 then
794 blob="$(gettext "blob")"
795 submodule="$(gettext "submodule")"
796 if test $mod_dst = 160000
797 then
798 echo "* $name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
799 else
800 echo "* $name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
801 fi
802 else
803 echo "* $name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
804 fi
805 if test -n "$errmsg"
806 then
807 # Don't give error msg for modification whose dst is not submodule
808 # i.e. deleted or changed to blob
809 test $mod_dst = 160000 && echo "$errmsg"
810 else
811 if test $mod_src = 160000 -a $mod_dst = 160000
812 then
813 limit=
814 test $summary_limit -gt 0 && limit="-$summary_limit"
815 GIT_DIR="$name/.git" \
816 git log $limit --pretty='format: %m %s' \
817 --first-parent $sha1_src...$sha1_dst
818 elif test $mod_dst = 160000
819 then
820 GIT_DIR="$name/.git" \
821 git log --pretty='format: > %s' -1 $sha1_dst
822 else
823 GIT_DIR="$name/.git" \
824 git log --pretty='format: < %s' -1 $sha1_src
825 fi
826 echo
827 fi
828 echo
829 done |
830 if test -n "$for_status"; then
831 if [ -n "$files" ]; then
832 gettextln "# Submodules changed but not updated:"
833 else
834 gettextln "# Submodule changes to be committed:"
835 fi
836 echo "#"
837 sed -e 's|^|# |' -e 's|^# $|#|'
838 else
839 cat
840 fi
841}
842#
843# List all submodules, prefixed with:
844# - submodule not initialized
845# + different revision checked out
846#
847# If --cached was specified the revision in the index will be printed
848# instead of the currently checked out revision.
849#
850# $@ = requested paths (default to all)
851#
852cmd_status()
853{
854 # parse $args after "submodule ... status".
855 orig_flags=
856 while test $# -ne 0
857 do
858 case "$1" in
859 -q|--quiet)
860 GIT_QUIET=1
861 ;;
862 --cached)
863 cached=1
864 ;;
865 --recursive)
866 recursive=1
867 ;;
868 --)
869 shift
870 break
871 ;;
872 -*)
873 usage
874 ;;
875 *)
876 break
877 ;;
878 esac
879 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
880 shift
881 done
882 module_list "$@" |
884 while read mode sha1 stage path
885 do
886 name=$(module_name "$path") || exit
887 url=$(git config submodule."$name".url)
888 displaypath="$prefix$path"
889 if test "$stage" = U
890 then
891 say "U$sha1 $displaypath"
892 continue
893 fi
894 if test -z "$url" || ! test -d "$path"/.git -o -f "$path"/.git
895 then
896 say "-$sha1 $displaypath"
897 continue;
898 fi
899 set_name_rev "$path" "$sha1"
900 if git diff-files --ignore-submodules=dirty --quiet -- "$path"
901 then
902 say " $sha1 $displaypath$revname"
903 else
904 if test -z "$cached"
905 then
906 sha1=$(clear_local_git_env; cd "$path" && git rev-parse --verify HEAD)
907 set_name_rev "$path" "$sha1"
908 fi
909 say "+$sha1 $displaypath$revname"
910 fi
911 if test -n "$recursive"
913 then
914 (
915 prefix="$displaypath/"
916 clear_local_git_env
917 cd "$path" &&
918 eval cmd_status "$orig_args"
919 ) ||
920 die "$(eval_gettext "Failed to recurse into submodule path '\$path'")"
921 fi
922 done
923}
924#
925# Sync remote urls for submodules
926# This makes the value for remote.$remote.url match the value
927# specified in .gitmodules.
928#
929cmd_sync()
930{
931 while test $# -ne 0
932 do
933 case "$1" in
934 -q|--quiet)
935 GIT_QUIET=1
936 shift
937 ;;
938 --)
939 shift
940 break
941 ;;
942 -*)
943 usage
944 ;;
945 *)
946 break
947 ;;
948 esac
949 done
950 cd_to_toplevel
951 module_list "$@" |
952 while read mode sha1 stage path
953 do
954 name=$(module_name "$path")
955 url=$(git config -f .gitmodules --get submodule."$name".url)
956 # Possibly a url relative to parent
958 case "$url" in
959 ./*|../*)
960 url=$(resolve_relative_url "$url") || exit
961 ;;
962 esac
963 if git config "submodule.$name.url" >/dev/null 2>/dev/null
965 then
966 say "$(eval_gettext "Synchronizing submodule url for '\$name'")"
967 git config submodule."$name".url "$url"
968 if test -e "$path"/.git
970 then
971 (
972 clear_local_git_env
973 cd "$path"
974 remote=$(get_default_remote)
975 git config remote."$remote".url "$url"
976 )
977 fi
978 fi
979 done
980}
981# This loop parses the command line arguments to find the
983# subcommand name to dispatch. Parsing of the subcommand specific
984# options are primarily done by the subcommand implementations.
985# Subcommand specific options such as --branch and --cached are
986# parsed here as well, for backward compatibility.
987while test $# != 0 && test -z "$command"
989do
990 case "$1" in
991 add | foreach | init | update | status | summary | sync)
992 command=$1
993 ;;
994 -q|--quiet)
995 GIT_QUIET=1
996 ;;
997 -b|--branch)
998 case "$2" in
999 '')
1000 usage
1001 ;;
1002 esac
1003 branch="$2"; shift
1004 ;;
1005 --cached)
1006 cached="$1"
1007 ;;
1008 --)
1009 break
1010 ;;
1011 -*)
1012 usage
1013 ;;
1014 *)
1015 break
1016 ;;
1017 esac
1018 shift
1019done
1020# No command word defaults to "status"
1022test -n "$command" || command=status
1023# "-b branch" is accepted only by "add"
1025if test -n "$branch" && test "$command" != add
1026then
1027 usage
1028fi
1029# "--cached" is accepted only by "status" and "summary"
1031if test -n "$cached" && test "$command" != status -a "$command" != summary
1032then
1033 usage
1034fi
1035"cmd_$command" "$@"