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 # normalize Windows-style absolute paths to POSIX-style absolute paths
155 case $a in [a-zA-Z]:/*) a=/${a%%:*}${a#*:} ;; esac
156 case $b in [a-zA-Z]:/*) b=/${b%%:*}${b#*:} ;; esac
157 # Remove all common leading directories after a sanity check
158 if test "${a#$b}" != "$a" || test "${b#$a}" != "$b"; then
159 die "$(eval_gettext "Gitdir '\$a' is part of the submodule path '\$b' or vice versa")"
160 fi
161 while test "${a%%/*}" = "${b%%/*}"
162 do
163 a=${a#*/}
164 b=${b#*/}
165 done
166 # Now chop off the trailing '/'s that were added in the beginning
167 a=${a%/}
168 b=${b%/}
169 # Turn each leading "*/" component into "../"
171 rel=$(echo $b | sed -e 's|[^/][^/]*|..|g')
172 echo "gitdir: $rel/$a" >"$path/.git"
173 rel=$(echo $a | sed -e 's|[^/][^/]*|..|g')
175 (clear_local_git_env; cd "$path" && GIT_WORK_TREE=. git config core.worktree "$rel/$b")
176}
177#
179# Add a new submodule to the working tree, .gitmodules and the index
180#
181# $@ = repo path
182#
183# optional branch is stored in global branch variable
184#
185cmd_add()
186{
187 # parse $args after "submodule ... add".
188 while test $# -ne 0
189 do
190 case "$1" in
191 -b | --branch)
192 case "$2" in '') usage ;; esac
193 branch=$2
194 shift
195 ;;
196 -f | --force)
197 force=$1
198 ;;
199 -q|--quiet)
200 GIT_QUIET=1
201 ;;
202 --reference)
203 case "$2" in '') usage ;; esac
204 reference="--reference=$2"
205 shift
206 ;;
207 --reference=*)
208 reference="$1"
209 shift
210 ;;
211 --)
212 shift
213 break
214 ;;
215 -*)
216 usage
217 ;;
218 *)
219 break
220 ;;
221 esac
222 shift
223 done
224 repo=$1
226 path=$2
227 if test -z "$path"; then
229 path=$(echo "$repo" |
230 sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
231 fi
232 if test -z "$repo" -o -z "$path"; then
234 usage
235 fi
236 # assure repo is absolute or relative to parent
238 case "$repo" in
239 ./*|../*)
240 # dereference source url relative to parent's url
241 realrepo=$(resolve_relative_url "$repo") || exit
242 ;;
243 *:*|/*)
244 # absolute url
245 realrepo=$repo
246 ;;
247 *)
248 die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")"
249 ;;
250 esac
251 # normalize path:
253 # multiple //; leading ./; /./; /../; trailing /
254 path=$(printf '%s/\n' "$path" |
255 sed -e '
256 s|//*|/|g
257 s|^\(\./\)*||
258 s|/\./|/|g
259 :start
260 s|\([^/]*\)/\.\./||
261 tstart
262 s|/*$||
263 ')
264 git ls-files --error-unmatch "$path" > /dev/null 2>&1 &&
265 die "$(eval_gettext "'\$path' already exists in the index")"
266 if test -z "$force" && ! git add --dry-run --ignore-missing "$path" > /dev/null 2>&1
268 then
269 eval_gettextln "The following path is ignored by one of your .gitignore files:
270\$path
271Use -f if you really want to add it." >&2
272 exit 1
273 fi
274 # perhaps the path exists and is already a git repo, else clone it
276 if test -e "$path"
277 then
278 if test -d "$path"/.git -o -f "$path"/.git
279 then
280 eval_gettextln "Adding existing repo at '\$path' to the index"
281 else
282 die "$(eval_gettext "'\$path' already exists and is not a valid git repo")"
283 fi
284 else
286 module_clone "$path" "$realrepo" "$reference" || exit
288 (
289 clear_local_git_env
290 cd "$path" &&
291 # ash fails to wordsplit ${branch:+-b "$branch"...}
292 case "$branch" in
293 '') git checkout -f -q ;;
294 ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
295 esac
296 ) || die "$(eval_gettext "Unable to checkout submodule '\$path'")"
297 fi
298 git config submodule."$path".url "$realrepo"
299 git add $force "$path" ||
301 die "$(eval_gettext "Failed to add submodule '\$path'")"
302 git config -f .gitmodules submodule."$path".path "$path" &&
304 git config -f .gitmodules submodule."$path".url "$repo" &&
305 git add --force .gitmodules ||
306 die "$(eval_gettext "Failed to register submodule '\$path'")"
307}
308#
310# Execute an arbitrary command sequence in each checked out
311# submodule
312#
313# $@ = command to execute
314#
315cmd_foreach()
316{
317 # parse $args after "submodule ... foreach".
318 while test $# -ne 0
319 do
320 case "$1" in
321 -q|--quiet)
322 GIT_QUIET=1
323 ;;
324 --recursive)
325 recursive=1
326 ;;
327 -*)
328 usage
329 ;;
330 *)
331 break
332 ;;
333 esac
334 shift
335 done
336 toplevel=$(pwd)
338 # dup stdin so that it can be restored when running the external
340 # command in the subshell (and a recursive call to this function)
341 exec 3<&0
342 module_list |
344 while read mode sha1 stage path
345 do
346 if test -e "$path"/.git
347 then
348 say "$(eval_gettext "Entering '\$prefix\$path'")"
349 name=$(module_name "$path")
350 (
351 prefix="$prefix$path/"
352 clear_local_git_env
353 cd "$path" &&
354 eval "$@" &&
355 if test -n "$recursive"
356 then
357 cmd_foreach "--recursive" "$@"
358 fi
359 ) <&3 3<&- ||
360 die "$(eval_gettext "Stopping at '\$path'; script returned non-zero status.")"
361 fi
362 done
363}
364#
366# Register submodules in .git/config
367#
368# $@ = requested paths (default to all)
369#
370cmd_init()
371{
372 # parse $args after "submodule ... init".
373 while test $# -ne 0
374 do
375 case "$1" in
376 -q|--quiet)
377 GIT_QUIET=1
378 ;;
379 --)
380 shift
381 break
382 ;;
383 -*)
384 usage
385 ;;
386 *)
387 break
388 ;;
389 esac
390 shift
391 done
392 module_list "$@" |
394 while read mode sha1 stage path
395 do
396 # Skip already registered paths
397 name=$(module_name "$path") || exit
398 if test -z "$(git config "submodule.$name.url")"
399 then
400 url=$(git config -f .gitmodules submodule."$name".url)
401 test -z "$url" &&
402 die "$(eval_gettext "No url found for submodule path '\$path' in .gitmodules")"
403 # Possibly a url relative to parent
405 case "$url" in
406 ./*|../*)
407 url=$(resolve_relative_url "$url") || exit
408 ;;
409 esac
410 git config submodule."$name".url "$url" ||
411 die "$(eval_gettext "Failed to register url for submodule path '\$path'")"
412 fi
413 # Copy "update" setting when it is not set yet
415 upd="$(git config -f .gitmodules submodule."$name".update)"
416 test -z "$upd" ||
417 test -n "$(git config submodule."$name".update)" ||
418 git config submodule."$name".update "$upd" ||
419 die "$(eval_gettext "Failed to register update mode for submodule path '\$path'")"
420 say "$(eval_gettext "Submodule '\$name' (\$url) registered for path '\$path'")"
422 done
423}
424#
426# Update each submodule path to correct revision, using clone and checkout as needed
427#
428# $@ = requested paths (default to all)
429#
430cmd_update()
431{
432 # parse $args after "submodule ... update".
433 orig_flags=
434 while test $# -ne 0
435 do
436 case "$1" in
437 -q|--quiet)
438 GIT_QUIET=1
439 ;;
440 -i|--init)
441 init=1
442 ;;
443 -N|--no-fetch)
444 nofetch=1
445 ;;
446 -f|--force)
447 force=$1
448 ;;
449 -r|--rebase)
450 update="rebase"
451 ;;
452 --reference)
453 case "$2" in '') usage ;; esac
454 reference="--reference=$2"
455 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
456 shift
457 ;;
458 --reference=*)
459 reference="$1"
460 ;;
461 -m|--merge)
462 update="merge"
463 ;;
464 --recursive)
465 recursive=1
466 ;;
467 --checkout)
468 update="checkout"
469 ;;
470 --)
471 shift
472 break
473 ;;
474 -*)
475 usage
476 ;;
477 *)
478 break
479 ;;
480 esac
481 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
482 shift
483 done
484 if test -n "$init"
486 then
487 cmd_init "--" "$@" || return
488 fi
489 cloned_modules=
491 module_list "$@" | {
492 err=
493 while read mode sha1 stage path
494 do
495 if test "$stage" = U
496 then
497 echo >&2 "Skipping unmerged submodule $path"
498 continue
499 fi
500 name=$(module_name "$path") || exit
501 url=$(git config submodule."$name".url)
502 if ! test -z "$update"
503 then
504 update_module=$update
505 else
506 update_module=$(git config submodule."$name".update)
507 fi
508 if test "$update_module" = "none"
510 then
511 echo "Skipping submodule '$path'"
512 continue
513 fi
514 if test -z "$url"
516 then
517 # Only mention uninitialized submodules when its
518 # path have been specified
519 test "$#" != "0" &&
520 say "$(eval_gettext "Submodule path '\$path' not initialized
521Maybe you want to use 'update --init'?")"
522 continue
523 fi
524 if ! test -d "$path"/.git -o -f "$path"/.git
526 then
527 module_clone "$path" "$url" "$reference"|| exit
528 cloned_modules="$cloned_modules;$name"
529 subsha1=
530 else
531 subsha1=$(clear_local_git_env; cd "$path" &&
532 git rev-parse --verify HEAD) ||
533 die "$(eval_gettext "Unable to find current revision in submodule path '\$path'")"
534 fi
535 if test "$subsha1" != "$sha1"
537 then
538 subforce=$force
539 # If we don't already have a -f flag and the submodule has never been checked out
540 if test -z "$subsha1" -a -z "$force"
541 then
542 subforce="-f"
543 fi
544 if test -z "$nofetch"
546 then
547 # Run fetch only if $sha1 isn't present or it
548 # is not reachable from a ref.
549 (clear_local_git_env; cd "$path" &&
550 ( (rev=$(git rev-list -n 1 $sha1 --not --all 2>/dev/null) &&
551 test -z "$rev") || git-fetch)) ||
552 die "$(eval_gettext "Unable to fetch in submodule path '\$path'")"
553 fi
554 # Is this something we just cloned?
556 case ";$cloned_modules;" in
557 *";$name;"*)
558 # then there is no local change to integrate
559 update_module= ;;
560 esac
561 must_die_on_failure=
563 case "$update_module" in
564 rebase)
565 command="git rebase"
566 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$path'")"
567 say_msg="$(eval_gettext "Submodule path '\$path': rebased into '\$sha1'")"
568 must_die_on_failure=yes
569 ;;
570 merge)
571 command="git merge"
572 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$path'")"
573 say_msg="$(eval_gettext "Submodule path '\$path': merged in '\$sha1'")"
574 must_die_on_failure=yes
575 ;;
576 *)
577 command="git checkout $subforce -q"
578 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$path'")"
579 say_msg="$(eval_gettext "Submodule path '\$path': checked out '\$sha1'")"
580 ;;
581 esac
582 if (clear_local_git_env; cd "$path" && $command "$sha1")
584 then
585 say "$say_msg"
586 elif test -n "$must_die_on_failure"
587 then
588 die_with_status 2 "$die_msg"
589 else
590 err="${err};$die_msg"
591 continue
592 fi
593 fi
594 if test -n "$recursive"
596 then
597 (clear_local_git_env; cd "$path" && eval cmd_update "$orig_flags")
598 res=$?
599 if test $res -gt 0
600 then
601 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$path'")"
602 if test $res -eq 1
603 then
604 err="${err};$die_msg"
605 continue
606 else
607 die_with_status $res "$die_msg"
608 fi
609 fi
610 fi
611 done
612 if test -n "$err"
614 then
615 OIFS=$IFS
616 IFS=';'
617 for e in $err
618 do
619 if test -n "$e"
620 then
621 echo >&2 "$e"
622 fi
623 done
624 IFS=$OIFS
625 exit 1
626 fi
627 }
628}
629set_name_rev () {
631 revname=$( (
632 clear_local_git_env
633 cd "$1" && {
634 git describe "$2" 2>/dev/null ||
635 git describe --tags "$2" 2>/dev/null ||
636 git describe --contains "$2" 2>/dev/null ||
637 git describe --all --always "$2"
638 }
639 ) )
640 test -z "$revname" || revname=" ($revname)"
641}
642#
643# Show commit summary for submodules in index or working tree
644#
645# If '--cached' is given, show summary between index and given commit,
646# or between working tree and given commit
647#
648# $@ = [commit (default 'HEAD'),] requested paths (default all)
649#
650cmd_summary() {
651 summary_limit=-1
652 for_status=
653 diff_cmd=diff-index
654 # parse $args after "submodule ... summary".
656 while test $# -ne 0
657 do
658 case "$1" in
659 --cached)
660 cached="$1"
661 ;;
662 --files)
663 files="$1"
664 ;;
665 --for-status)
666 for_status="$1"
667 ;;
668 -n|--summary-limit)
669 if summary_limit=$(($2 + 0)) 2>/dev/null && test "$summary_limit" = "$2"
670 then
671 :
672 else
673 usage
674 fi
675 shift
676 ;;
677 --)
678 shift
679 break
680 ;;
681 -*)
682 usage
683 ;;
684 *)
685 break
686 ;;
687 esac
688 shift
689 done
690 test $summary_limit = 0 && return
692 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
694 then
695 head=$rev
696 test $# = 0 || shift
697 elif test -z "$1" -o "$1" = "HEAD"
698 then
699 # before the first commit: compare with an empty tree
700 head=$(git hash-object -w -t tree --stdin </dev/null)
701 test -z "$1" || shift
702 else
703 head="HEAD"
704 fi
705 if [ -n "$files" ]
707 then
708 test -n "$cached" &&
709 die "$(gettext -- "--cached cannot be used with --files")"
710 diff_cmd=diff-files
711 head=
712 fi
713 cd_to_toplevel
715 # Get modified modules cared by user
716 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
717 sane_egrep '^:([0-7]* )?160000' |
718 while read mod_src mod_dst sha1_src sha1_dst status name
719 do
720 # Always show modules deleted or type-changed (blob<->module)
721 test $status = D -o $status = T && echo "$name" && continue
722 # Also show added or modified modules which are checked out
723 GIT_DIR="$name/.git" git-rev-parse --git-dir >/dev/null 2>&1 &&
724 echo "$name"
725 done
726 )
727 test -z "$modules" && return
729 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
731 sane_egrep '^:([0-7]* )?160000' |
732 cut -c2- |
733 while read mod_src mod_dst sha1_src sha1_dst status name
734 do
735 if test -z "$cached" &&
736 test $sha1_dst = 0000000000000000000000000000000000000000
737 then
738 case "$mod_dst" in
739 160000)
740 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
741 ;;
742 100644 | 100755 | 120000)
743 sha1_dst=$(git hash-object $name)
744 ;;
745 000000)
746 ;; # removed
747 *)
748 # unexpected type
749 eval_gettextln "unexpected mode \$mod_dst" >&2
750 continue ;;
751 esac
752 fi
753 missing_src=
754 missing_dst=
755 test $mod_src = 160000 &&
757 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_src^0 >/dev/null &&
758 missing_src=t
759 test $mod_dst = 160000 &&
761 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_dst^0 >/dev/null &&
762 missing_dst=t
763 total_commits=
765 case "$missing_src,$missing_dst" in
766 t,)
767 errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_src")"
768 ;;
769 ,t)
770 errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_dst")"
771 ;;
772 t,t)
773 errmsg="$(eval_gettext " Warn: \$name doesn't contain commits \$sha1_src and \$sha1_dst")"
774 ;;
775 *)
776 errmsg=
777 total_commits=$(
778 if test $mod_src = 160000 -a $mod_dst = 160000
779 then
780 range="$sha1_src...$sha1_dst"
781 elif test $mod_src = 160000
782 then
783 range=$sha1_src
784 else
785 range=$sha1_dst
786 fi
787 GIT_DIR="$name/.git" \
788 git rev-list --first-parent $range -- | wc -l
789 )
790 total_commits=" ($(($total_commits + 0)))"
791 ;;
792 esac
793 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
795 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
796 if test $status = T
797 then
798 blob="$(gettext "blob")"
799 submodule="$(gettext "submodule")"
800 if test $mod_dst = 160000
801 then
802 echo "* $name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
803 else
804 echo "* $name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
805 fi
806 else
807 echo "* $name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
808 fi
809 if test -n "$errmsg"
810 then
811 # Don't give error msg for modification whose dst is not submodule
812 # i.e. deleted or changed to blob
813 test $mod_dst = 160000 && echo "$errmsg"
814 else
815 if test $mod_src = 160000 -a $mod_dst = 160000
816 then
817 limit=
818 test $summary_limit -gt 0 && limit="-$summary_limit"
819 GIT_DIR="$name/.git" \
820 git log $limit --pretty='format: %m %s' \
821 --first-parent $sha1_src...$sha1_dst
822 elif test $mod_dst = 160000
823 then
824 GIT_DIR="$name/.git" \
825 git log --pretty='format: > %s' -1 $sha1_dst
826 else
827 GIT_DIR="$name/.git" \
828 git log --pretty='format: < %s' -1 $sha1_src
829 fi
830 echo
831 fi
832 echo
833 done |
834 if test -n "$for_status"; then
835 if [ -n "$files" ]; then
836 gettextln "# Submodules changed but not updated:"
837 else
838 gettextln "# Submodule changes to be committed:"
839 fi
840 echo "#"
841 sed -e 's|^|# |' -e 's|^# $|#|'
842 else
843 cat
844 fi
845}
846#
847# List all submodules, prefixed with:
848# - submodule not initialized
849# + different revision checked out
850#
851# If --cached was specified the revision in the index will be printed
852# instead of the currently checked out revision.
853#
854# $@ = requested paths (default to all)
855#
856cmd_status()
857{
858 # parse $args after "submodule ... status".
859 orig_flags=
860 while test $# -ne 0
861 do
862 case "$1" in
863 -q|--quiet)
864 GIT_QUIET=1
865 ;;
866 --cached)
867 cached=1
868 ;;
869 --recursive)
870 recursive=1
871 ;;
872 --)
873 shift
874 break
875 ;;
876 -*)
877 usage
878 ;;
879 *)
880 break
881 ;;
882 esac
883 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
884 shift
885 done
886 module_list "$@" |
888 while read mode sha1 stage path
889 do
890 name=$(module_name "$path") || exit
891 url=$(git config submodule."$name".url)
892 displaypath="$prefix$path"
893 if test "$stage" = U
894 then
895 say "U$sha1 $displaypath"
896 continue
897 fi
898 if test -z "$url" || ! test -d "$path"/.git -o -f "$path"/.git
899 then
900 say "-$sha1 $displaypath"
901 continue;
902 fi
903 set_name_rev "$path" "$sha1"
904 if git diff-files --ignore-submodules=dirty --quiet -- "$path"
905 then
906 say " $sha1 $displaypath$revname"
907 else
908 if test -z "$cached"
909 then
910 sha1=$(clear_local_git_env; cd "$path" && git rev-parse --verify HEAD)
911 set_name_rev "$path" "$sha1"
912 fi
913 say "+$sha1 $displaypath$revname"
914 fi
915 if test -n "$recursive"
917 then
918 (
919 prefix="$displaypath/"
920 clear_local_git_env
921 cd "$path" &&
922 eval cmd_status "$orig_args"
923 ) ||
924 die "$(eval_gettext "Failed to recurse into submodule path '\$path'")"
925 fi
926 done
927}
928#
929# Sync remote urls for submodules
930# This makes the value for remote.$remote.url match the value
931# specified in .gitmodules.
932#
933cmd_sync()
934{
935 while test $# -ne 0
936 do
937 case "$1" in
938 -q|--quiet)
939 GIT_QUIET=1
940 shift
941 ;;
942 --)
943 shift
944 break
945 ;;
946 -*)
947 usage
948 ;;
949 *)
950 break
951 ;;
952 esac
953 done
954 cd_to_toplevel
955 module_list "$@" |
956 while read mode sha1 stage path
957 do
958 name=$(module_name "$path")
959 url=$(git config -f .gitmodules --get submodule."$name".url)
960 # Possibly a url relative to parent
962 case "$url" in
963 ./*|../*)
964 url=$(resolve_relative_url "$url") || exit
965 ;;
966 esac
967 if git config "submodule.$name.url" >/dev/null 2>/dev/null
969 then
970 say "$(eval_gettext "Synchronizing submodule url for '\$name'")"
971 git config submodule."$name".url "$url"
972 if test -e "$path"/.git
974 then
975 (
976 clear_local_git_env
977 cd "$path"
978 remote=$(get_default_remote)
979 git config remote."$remote".url "$url"
980 )
981 fi
982 fi
983 done
984}
985# This loop parses the command line arguments to find the
987# subcommand name to dispatch. Parsing of the subcommand specific
988# options are primarily done by the subcommand implementations.
989# Subcommand specific options such as --branch and --cached are
990# parsed here as well, for backward compatibility.
991while test $# != 0 && test -z "$command"
993do
994 case "$1" in
995 add | foreach | init | update | status | summary | sync)
996 command=$1
997 ;;
998 -q|--quiet)
999 GIT_QUIET=1
1000 ;;
1001 -b|--branch)
1002 case "$2" in
1003 '')
1004 usage
1005 ;;
1006 esac
1007 branch="$2"; shift
1008 ;;
1009 --cached)
1010 cached="$1"
1011 ;;
1012 --)
1013 break
1014 ;;
1015 -*)
1016 usage
1017 ;;
1018 *)
1019 break
1020 ;;
1021 esac
1022 shift
1023done
1024# No command word defaults to "status"
1026test -n "$command" || command=status
1027# "-b branch" is accepted only by "add"
1029if test -n "$branch" && test "$command" != add
1030then
1031 usage
1032fi
1033# "--cached" is accepted only by "status" and "summary"
1035if test -n "$cached" && test "$command" != status -a "$command" != summary
1036then
1037 usage
1038fi
1039"cmd_$command" "$@"