1#!/bin/sh
2#
3# git-submodule.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: $dashless [--quiet] sync [--] [<path>...]"
15OPTIONS_SPEC=
16. git-sh-setup
17. git-sh-i18n
18. git-parse-remote
19require_work_tree
20command=
22branch=
23force=
24reference=
25cached=
26recursive=
27init=
28files=
29nofetch=
30update=
31prefix=
32# The function takes at most 2 arguments. The first argument is the
34# URL that navigates to the submodule origin repo. When relative, this URL
35# is relative to the superproject origin URL repo. The second up_path
36# argument, if specified, is the relative path that navigates
37# from the submodule working tree to the superproject working tree.
38#
39# The output of the function is the origin URL of the submodule.
40#
41# The output will either be an absolute URL or filesystem path (if the
42# superproject origin URL is an absolute URL or filesystem path,
43# respectively) or a relative file system path (if the superproject
44# origin URL is a relative file system path).
45#
46# When the output is a relative file system path, the path is either
47# relative to the submodule working tree, if up_path is specified, or to
48# the superproject working tree otherwise.
49resolve_relative_url ()
50{
51 remote=$(get_default_remote)
52 remoteurl=$(git config "remote.$remote.url") ||
53 remoteurl=$(pwd) # the repository is its own authoritative upstream
54 url="$1"
55 remoteurl=${remoteurl%/}
56 sep=/
57 up_path="$2"
58 case "$remoteurl" in
60 *:*|/*)
61 is_relative=
62 ;;
63 ./*|../*)
64 is_relative=t
65 ;;
66 *)
67 is_relative=t
68 remoteurl="./$remoteurl"
69 ;;
70 esac
71 while test -n "$url"
73 do
74 case "$url" in
75 ../*)
76 url="${url#../}"
77 case "$remoteurl" in
78 */*)
79 remoteurl="${remoteurl%/*}"
80 ;;
81 *:*)
82 remoteurl="${remoteurl%:*}"
83 sep=:
84 ;;
85 *)
86 if test -z "$is_relative" || test "." = "$remoteurl"
87 then
88 die "$(eval_gettext "cannot strip one component off url '\$remoteurl'")"
89 else
90 remoteurl=.
91 fi
92 ;;
93 esac
94 ;;
95 ./*)
96 url="${url#./}"
97 ;;
98 *)
99 break;;
100 esac
101 done
102 remoteurl="$remoteurl$sep${url%/}"
103 echo "${is_relative:+${up_path}}${remoteurl#./}"
104}
105#
107# Get submodule info for registered submodules
108# $@ = path to limit submodule list
109#
110module_list()
111{
112 git ls-files --error-unmatch --stage -- "$@" |
113 perl -e '
114 my %unmerged = ();
115 my ($null_sha1) = ("0" x 40);
116 while (<STDIN>) {
117 chomp;
118 my ($mode, $sha1, $stage, $path) =
119 /^([0-7]+) ([0-9a-f]{40}) ([0-3])\t(.*)$/;
120 next unless $mode eq "160000";
121 if ($stage ne "0") {
122 if (!$unmerged{$path}++) {
123 print "$mode $null_sha1 U\t$path\n";
124 }
125 next;
126 }
127 print "$_\n";
128 }
129 '
130}
131#
133# Map submodule path to submodule name
134#
135# $1 = path
136#
137module_name()
138{
139 # Do we have "submodule.<something>.path = $1" defined in .gitmodules file?
140 sm_path="$1"
141 re=$(printf '%s\n' "$1" | sed -e 's/[].[^$\\*]/\\&/g')
142 name=$( git config -f .gitmodules --get-regexp '^submodule\..*\.path$' |
143 sed -n -e 's|^submodule\.\(.*\)\.path '"$re"'$|\1|p' )
144 test -z "$name" &&
145 die "$(eval_gettext "No submodule mapping found in .gitmodules for path '\$sm_path'")"
146 echo "$name"
147}
148#
150# Clone a submodule
151#
152# Prior to calling, cmd_update checks that a possibly existing
153# path is not a git repository.
154# Likewise, cmd_add checks that path does not exist at all,
155# since it is the location of a new submodule.
156#
157module_clone()
158{
159 sm_path=$1
160 url=$2
161 reference="$3"
162 quiet=
163 if test -n "$GIT_QUIET"
164 then
165 quiet=-q
166 fi
167 gitdir=
169 gitdir_base=
170 name=$(module_name "$sm_path" 2>/dev/null)
171 test -n "$name" || name="$sm_path"
172 base_name=$(dirname "$name")
173 gitdir=$(git rev-parse --git-dir)
175 gitdir_base="$gitdir/modules/$base_name"
176 gitdir="$gitdir/modules/$name"
177 if test -d "$gitdir"
179 then
180 mkdir -p "$sm_path"
181 rm -f "$gitdir/index"
182 else
183 mkdir -p "$gitdir_base"
184 git clone $quiet -n ${reference:+"$reference"} \
185 --separate-git-dir "$gitdir" "$url" "$sm_path" ||
186 die "$(eval_gettext "Clone of '\$url' into submodule path '\$sm_path' failed")"
187 fi
188 a=$(cd "$gitdir" && pwd)/
190 b=$(cd "$sm_path" && pwd)/
191 # normalize Windows-style absolute paths to POSIX-style absolute paths
192 case $a in [a-zA-Z]:/*) a=/${a%%:*}${a#*:} ;; esac
193 case $b in [a-zA-Z]:/*) b=/${b%%:*}${b#*:} ;; esac
194 # Remove all common leading directories after a sanity check
195 if test "${a#$b}" != "$a" || test "${b#$a}" != "$b"; then
196 die "$(eval_gettext "Gitdir '\$a' is part of the submodule path '\$b' or vice versa")"
197 fi
198 while test "${a%%/*}" = "${b%%/*}"
199 do
200 a=${a#*/}
201 b=${b#*/}
202 done
203 # Now chop off the trailing '/'s that were added in the beginning
204 a=${a%/}
205 b=${b%/}
206 # Turn each leading "*/" component into "../"
208 rel=$(echo $b | sed -e 's|[^/][^/]*|..|g')
209 echo "gitdir: $rel/$a" >"$sm_path/.git"
210 rel=$(echo $a | sed -e 's|[^/][^/]*|..|g')
212 (clear_local_git_env; cd "$sm_path" && GIT_WORK_TREE=. git config core.worktree "$rel/$b")
213}
214#
216# Add a new submodule to the working tree, .gitmodules and the index
217#
218# $@ = repo path
219#
220# optional branch is stored in global branch variable
221#
222cmd_add()
223{
224 # parse $args after "submodule ... add".
225 while test $# -ne 0
226 do
227 case "$1" in
228 -b | --branch)
229 case "$2" in '') usage ;; esac
230 branch=$2
231 shift
232 ;;
233 -f | --force)
234 force=$1
235 ;;
236 -q|--quiet)
237 GIT_QUIET=1
238 ;;
239 --reference)
240 case "$2" in '') usage ;; esac
241 reference="--reference=$2"
242 shift
243 ;;
244 --reference=*)
245 reference="$1"
246 shift
247 ;;
248 --)
249 shift
250 break
251 ;;
252 -*)
253 usage
254 ;;
255 *)
256 break
257 ;;
258 esac
259 shift
260 done
261 repo=$1
263 sm_path=$2
264 if test -z "$sm_path"; then
266 sm_path=$(echo "$repo" |
267 sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
268 fi
269 if test -z "$repo" -o -z "$sm_path"; then
271 usage
272 fi
273 # assure repo is absolute or relative to parent
275 case "$repo" in
276 ./*|../*)
277 # dereference source url relative to parent's url
278 realrepo=$(resolve_relative_url "$repo") || exit
279 ;;
280 *:*|/*)
281 # absolute url
282 realrepo=$repo
283 ;;
284 *)
285 die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")"
286 ;;
287 esac
288 # normalize path:
290 # multiple //; leading ./; /./; /../; trailing /
291 sm_path=$(printf '%s/\n' "$sm_path" |
292 sed -e '
293 s|//*|/|g
294 s|^\(\./\)*||
295 s|/\./|/|g
296 :start
297 s|\([^/]*\)/\.\./||
298 tstart
299 s|/*$||
300 ')
301 git ls-files --error-unmatch "$sm_path" > /dev/null 2>&1 &&
302 die "$(eval_gettext "'\$sm_path' already exists in the index")"
303 if test -z "$force" && ! git add --dry-run --ignore-missing "$sm_path" > /dev/null 2>&1
305 then
306 eval_gettextln "The following path is ignored by one of your .gitignore files:
307\$sm_path
308Use -f if you really want to add it." >&2
309 exit 1
310 fi
311 # perhaps the path exists and is already a git repo, else clone it
313 if test -e "$sm_path"
314 then
315 if test -d "$sm_path"/.git -o -f "$sm_path"/.git
316 then
317 eval_gettextln "Adding existing repo at '\$sm_path' to the index"
318 else
319 die "$(eval_gettext "'\$sm_path' already exists and is not a valid git repo")"
320 fi
321 else
323 module_clone "$sm_path" "$realrepo" "$reference" || exit
325 (
326 clear_local_git_env
327 cd "$sm_path" &&
328 # ash fails to wordsplit ${branch:+-b "$branch"...}
329 case "$branch" in
330 '') git checkout -f -q ;;
331 ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
332 esac
333 ) || die "$(eval_gettext "Unable to checkout submodule '\$sm_path'")"
334 fi
335 git config submodule."$sm_path".url "$realrepo"
336 git add $force "$sm_path" ||
338 die "$(eval_gettext "Failed to add submodule '\$sm_path'")"
339 git config -f .gitmodules submodule."$sm_path".path "$sm_path" &&
341 git config -f .gitmodules submodule."$sm_path".url "$repo" &&
342 git add --force .gitmodules ||
343 die "$(eval_gettext "Failed to register submodule '\$sm_path'")"
344}
345#
347# Execute an arbitrary command sequence in each checked out
348# submodule
349#
350# $@ = command to execute
351#
352cmd_foreach()
353{
354 # parse $args after "submodule ... foreach".
355 while test $# -ne 0
356 do
357 case "$1" in
358 -q|--quiet)
359 GIT_QUIET=1
360 ;;
361 --recursive)
362 recursive=1
363 ;;
364 -*)
365 usage
366 ;;
367 *)
368 break
369 ;;
370 esac
371 shift
372 done
373 toplevel=$(pwd)
375 # dup stdin so that it can be restored when running the external
377 # command in the subshell (and a recursive call to this function)
378 exec 3<&0
379 module_list |
381 while read mode sha1 stage sm_path
382 do
383 if test -e "$sm_path"/.git
384 then
385 say "$(eval_gettext "Entering '\$prefix\$sm_path'")"
386 name=$(module_name "$sm_path")
387 (
388 prefix="$prefix$sm_path/"
389 clear_local_git_env
390 # we make $path available to scripts ...
391 path=$sm_path
392 cd "$sm_path" &&
393 eval "$@" &&
394 if test -n "$recursive"
395 then
396 cmd_foreach "--recursive" "$@"
397 fi
398 ) <&3 3<&- ||
399 die "$(eval_gettext "Stopping at '\$sm_path'; script returned non-zero status.")"
400 fi
401 done
402}
403#
405# Register submodules in .git/config
406#
407# $@ = requested paths (default to all)
408#
409cmd_init()
410{
411 # parse $args after "submodule ... init".
412 while test $# -ne 0
413 do
414 case "$1" in
415 -q|--quiet)
416 GIT_QUIET=1
417 ;;
418 --)
419 shift
420 break
421 ;;
422 -*)
423 usage
424 ;;
425 *)
426 break
427 ;;
428 esac
429 shift
430 done
431 module_list "$@" |
433 while read mode sha1 stage sm_path
434 do
435 name=$(module_name "$sm_path") || exit
436 # Copy url setting when it is not set yet
438 if test -z "$(git config "submodule.$name.url")"
439 then
440 url=$(git config -f .gitmodules submodule."$name".url)
441 test -z "$url" &&
442 die "$(eval_gettext "No url found for submodule path '\$sm_path' in .gitmodules")"
443 # Possibly a url relative to parent
445 case "$url" in
446 ./*|../*)
447 url=$(resolve_relative_url "$url") || exit
448 ;;
449 esac
450 git config submodule."$name".url "$url" ||
451 die "$(eval_gettext "Failed to register url for submodule path '\$sm_path'")"
452 say "$(eval_gettext "Submodule '\$name' (\$url) registered for path '\$sm_path'")"
454 fi
455 # Copy "update" setting when it is not set yet
457 upd="$(git config -f .gitmodules submodule."$name".update)"
458 test -z "$upd" ||
459 test -n "$(git config submodule."$name".update)" ||
460 git config submodule."$name".update "$upd" ||
461 die "$(eval_gettext "Failed to register update mode for submodule path '\$sm_path'")"
462 done
463}
464#
466# Update each submodule path to correct revision, using clone and checkout as needed
467#
468# $@ = requested paths (default to all)
469#
470cmd_update()
471{
472 # parse $args after "submodule ... update".
473 orig_flags=
474 while test $# -ne 0
475 do
476 case "$1" in
477 -q|--quiet)
478 GIT_QUIET=1
479 ;;
480 -i|--init)
481 init=1
482 ;;
483 -N|--no-fetch)
484 nofetch=1
485 ;;
486 -f|--force)
487 force=$1
488 ;;
489 -r|--rebase)
490 update="rebase"
491 ;;
492 --reference)
493 case "$2" in '') usage ;; esac
494 reference="--reference=$2"
495 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
496 shift
497 ;;
498 --reference=*)
499 reference="$1"
500 ;;
501 -m|--merge)
502 update="merge"
503 ;;
504 --recursive)
505 recursive=1
506 ;;
507 --checkout)
508 update="checkout"
509 ;;
510 --)
511 shift
512 break
513 ;;
514 -*)
515 usage
516 ;;
517 *)
518 break
519 ;;
520 esac
521 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
522 shift
523 done
524 if test -n "$init"
526 then
527 cmd_init "--" "$@" || return
528 fi
529 cloned_modules=
531 module_list "$@" | {
532 err=
533 while read mode sha1 stage sm_path
534 do
535 if test "$stage" = U
536 then
537 echo >&2 "Skipping unmerged submodule $sm_path"
538 continue
539 fi
540 name=$(module_name "$sm_path") || exit
541 url=$(git config submodule."$name".url)
542 if ! test -z "$update"
543 then
544 update_module=$update
545 else
546 update_module=$(git config submodule."$name".update)
547 fi
548 if test "$update_module" = "none"
550 then
551 echo "Skipping submodule '$sm_path'"
552 continue
553 fi
554 if test -z "$url"
556 then
557 # Only mention uninitialized submodules when its
558 # path have been specified
559 test "$#" != "0" &&
560 say "$(eval_gettext "Submodule path '\$sm_path' not initialized
561Maybe you want to use 'update --init'?")"
562 continue
563 fi
564 if ! test -d "$sm_path"/.git -o -f "$sm_path"/.git
566 then
567 module_clone "$sm_path" "$url" "$reference"|| exit
568 cloned_modules="$cloned_modules;$name"
569 subsha1=
570 else
571 subsha1=$(clear_local_git_env; cd "$sm_path" &&
572 git rev-parse --verify HEAD) ||
573 die "$(eval_gettext "Unable to find current revision in submodule path '\$sm_path'")"
574 fi
575 if test "$subsha1" != "$sha1"
577 then
578 subforce=$force
579 # If we don't already have a -f flag and the submodule has never been checked out
580 if test -z "$subsha1" -a -z "$force"
581 then
582 subforce="-f"
583 fi
584 if test -z "$nofetch"
586 then
587 # Run fetch only if $sha1 isn't present or it
588 # is not reachable from a ref.
589 (clear_local_git_env; cd "$sm_path" &&
590 ( (rev=$(git rev-list -n 1 $sha1 --not --all 2>/dev/null) &&
591 test -z "$rev") || git-fetch)) ||
592 die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
593 fi
594 # Is this something we just cloned?
596 case ";$cloned_modules;" in
597 *";$name;"*)
598 # then there is no local change to integrate
599 update_module= ;;
600 esac
601 must_die_on_failure=
603 case "$update_module" in
604 rebase)
605 command="git rebase"
606 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$sm_path'")"
607 say_msg="$(eval_gettext "Submodule path '\$sm_path': rebased into '\$sha1'")"
608 must_die_on_failure=yes
609 ;;
610 merge)
611 command="git merge"
612 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$sm_path'")"
613 say_msg="$(eval_gettext "Submodule path '\$sm_path': merged in '\$sha1'")"
614 must_die_on_failure=yes
615 ;;
616 *)
617 command="git checkout $subforce -q"
618 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$sm_path'")"
619 say_msg="$(eval_gettext "Submodule path '\$sm_path': checked out '\$sha1'")"
620 ;;
621 esac
622 if (clear_local_git_env; cd "$sm_path" && $command "$sha1")
624 then
625 say "$say_msg"
626 elif test -n "$must_die_on_failure"
627 then
628 die_with_status 2 "$die_msg"
629 else
630 err="${err};$die_msg"
631 continue
632 fi
633 fi
634 if test -n "$recursive"
636 then
637 (clear_local_git_env; cd "$sm_path" && eval cmd_update "$orig_flags")
638 res=$?
639 if test $res -gt 0
640 then
641 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$sm_path'")"
642 if test $res -eq 1
643 then
644 err="${err};$die_msg"
645 continue
646 else
647 die_with_status $res "$die_msg"
648 fi
649 fi
650 fi
651 done
652 if test -n "$err"
654 then
655 OIFS=$IFS
656 IFS=';'
657 for e in $err
658 do
659 if test -n "$e"
660 then
661 echo >&2 "$e"
662 fi
663 done
664 IFS=$OIFS
665 exit 1
666 fi
667 }
668}
669set_name_rev () {
671 revname=$( (
672 clear_local_git_env
673 cd "$1" && {
674 git describe "$2" 2>/dev/null ||
675 git describe --tags "$2" 2>/dev/null ||
676 git describe --contains "$2" 2>/dev/null ||
677 git describe --all --always "$2"
678 }
679 ) )
680 test -z "$revname" || revname=" ($revname)"
681}
682#
683# Show commit summary for submodules in index or working tree
684#
685# If '--cached' is given, show summary between index and given commit,
686# or between working tree and given commit
687#
688# $@ = [commit (default 'HEAD'),] requested paths (default all)
689#
690cmd_summary() {
691 summary_limit=-1
692 for_status=
693 diff_cmd=diff-index
694 # parse $args after "submodule ... summary".
696 while test $# -ne 0
697 do
698 case "$1" in
699 --cached)
700 cached="$1"
701 ;;
702 --files)
703 files="$1"
704 ;;
705 --for-status)
706 for_status="$1"
707 ;;
708 -n|--summary-limit)
709 if summary_limit=$(($2 + 0)) 2>/dev/null && test "$summary_limit" = "$2"
710 then
711 :
712 else
713 usage
714 fi
715 shift
716 ;;
717 --)
718 shift
719 break
720 ;;
721 -*)
722 usage
723 ;;
724 *)
725 break
726 ;;
727 esac
728 shift
729 done
730 test $summary_limit = 0 && return
732 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
734 then
735 head=$rev
736 test $# = 0 || shift
737 elif test -z "$1" -o "$1" = "HEAD"
738 then
739 # before the first commit: compare with an empty tree
740 head=$(git hash-object -w -t tree --stdin </dev/null)
741 test -z "$1" || shift
742 else
743 head="HEAD"
744 fi
745 if [ -n "$files" ]
747 then
748 test -n "$cached" &&
749 die "$(gettext -- "--cached cannot be used with --files")"
750 diff_cmd=diff-files
751 head=
752 fi
753 cd_to_toplevel
755 # Get modified modules cared by user
756 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
757 sane_egrep '^:([0-7]* )?160000' |
758 while read mod_src mod_dst sha1_src sha1_dst status name
759 do
760 # Always show modules deleted or type-changed (blob<->module)
761 test $status = D -o $status = T && echo "$name" && continue
762 # Also show added or modified modules which are checked out
763 GIT_DIR="$name/.git" git-rev-parse --git-dir >/dev/null 2>&1 &&
764 echo "$name"
765 done
766 )
767 test -z "$modules" && return
769 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
771 sane_egrep '^:([0-7]* )?160000' |
772 cut -c2- |
773 while read mod_src mod_dst sha1_src sha1_dst status name
774 do
775 if test -z "$cached" &&
776 test $sha1_dst = 0000000000000000000000000000000000000000
777 then
778 case "$mod_dst" in
779 160000)
780 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
781 ;;
782 100644 | 100755 | 120000)
783 sha1_dst=$(git hash-object $name)
784 ;;
785 000000)
786 ;; # removed
787 *)
788 # unexpected type
789 eval_gettextln "unexpected mode \$mod_dst" >&2
790 continue ;;
791 esac
792 fi
793 missing_src=
794 missing_dst=
795 test $mod_src = 160000 &&
797 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_src^0 >/dev/null &&
798 missing_src=t
799 test $mod_dst = 160000 &&
801 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_dst^0 >/dev/null &&
802 missing_dst=t
803 total_commits=
805 case "$missing_src,$missing_dst" in
806 t,)
807 errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_src")"
808 ;;
809 ,t)
810 errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_dst")"
811 ;;
812 t,t)
813 errmsg="$(eval_gettext " Warn: \$name doesn't contain commits \$sha1_src and \$sha1_dst")"
814 ;;
815 *)
816 errmsg=
817 total_commits=$(
818 if test $mod_src = 160000 -a $mod_dst = 160000
819 then
820 range="$sha1_src...$sha1_dst"
821 elif test $mod_src = 160000
822 then
823 range=$sha1_src
824 else
825 range=$sha1_dst
826 fi
827 GIT_DIR="$name/.git" \
828 git rev-list --first-parent $range -- | wc -l
829 )
830 total_commits=" ($(($total_commits + 0)))"
831 ;;
832 esac
833 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
835 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
836 if test $status = T
837 then
838 blob="$(gettext "blob")"
839 submodule="$(gettext "submodule")"
840 if test $mod_dst = 160000
841 then
842 echo "* $name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
843 else
844 echo "* $name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
845 fi
846 else
847 echo "* $name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
848 fi
849 if test -n "$errmsg"
850 then
851 # Don't give error msg for modification whose dst is not submodule
852 # i.e. deleted or changed to blob
853 test $mod_dst = 160000 && echo "$errmsg"
854 else
855 if test $mod_src = 160000 -a $mod_dst = 160000
856 then
857 limit=
858 test $summary_limit -gt 0 && limit="-$summary_limit"
859 GIT_DIR="$name/.git" \
860 git log $limit --pretty='format: %m %s' \
861 --first-parent $sha1_src...$sha1_dst
862 elif test $mod_dst = 160000
863 then
864 GIT_DIR="$name/.git" \
865 git log --pretty='format: > %s' -1 $sha1_dst
866 else
867 GIT_DIR="$name/.git" \
868 git log --pretty='format: < %s' -1 $sha1_src
869 fi
870 echo
871 fi
872 echo
873 done |
874 if test -n "$for_status"; then
875 if [ -n "$files" ]; then
876 gettextln "# Submodules changed but not updated:"
877 else
878 gettextln "# Submodule changes to be committed:"
879 fi
880 echo "#"
881 sed -e 's|^|# |' -e 's|^# $|#|'
882 else
883 cat
884 fi
885}
886#
887# List all submodules, prefixed with:
888# - submodule not initialized
889# + different revision checked out
890#
891# If --cached was specified the revision in the index will be printed
892# instead of the currently checked out revision.
893#
894# $@ = requested paths (default to all)
895#
896cmd_status()
897{
898 # parse $args after "submodule ... status".
899 orig_flags=
900 while test $# -ne 0
901 do
902 case "$1" in
903 -q|--quiet)
904 GIT_QUIET=1
905 ;;
906 --cached)
907 cached=1
908 ;;
909 --recursive)
910 recursive=1
911 ;;
912 --)
913 shift
914 break
915 ;;
916 -*)
917 usage
918 ;;
919 *)
920 break
921 ;;
922 esac
923 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
924 shift
925 done
926 module_list "$@" |
928 while read mode sha1 stage sm_path
929 do
930 name=$(module_name "$sm_path") || exit
931 url=$(git config submodule."$name".url)
932 displaypath="$prefix$sm_path"
933 if test "$stage" = U
934 then
935 say "U$sha1 $displaypath"
936 continue
937 fi
938 if test -z "$url" || ! test -d "$sm_path"/.git -o -f "$sm_path"/.git
939 then
940 say "-$sha1 $displaypath"
941 continue;
942 fi
943 set_name_rev "$sm_path" "$sha1"
944 if git diff-files --ignore-submodules=dirty --quiet -- "$sm_path"
945 then
946 say " $sha1 $displaypath$revname"
947 else
948 if test -z "$cached"
949 then
950 sha1=$(clear_local_git_env; cd "$sm_path" && git rev-parse --verify HEAD)
951 set_name_rev "$sm_path" "$sha1"
952 fi
953 say "+$sha1 $displaypath$revname"
954 fi
955 if test -n "$recursive"
957 then
958 (
959 prefix="$displaypath/"
960 clear_local_git_env
961 cd "$sm_path" &&
962 eval cmd_status "$orig_args"
963 ) ||
964 die "$(eval_gettext "Failed to recurse into submodule path '\$sm_path'")"
965 fi
966 done
967}
968#
969# Sync remote urls for submodules
970# This makes the value for remote.$remote.url match the value
971# specified in .gitmodules.
972#
973cmd_sync()
974{
975 while test $# -ne 0
976 do
977 case "$1" in
978 -q|--quiet)
979 GIT_QUIET=1
980 shift
981 ;;
982 --)
983 shift
984 break
985 ;;
986 -*)
987 usage
988 ;;
989 *)
990 break
991 ;;
992 esac
993 done
994 cd_to_toplevel
995 module_list "$@" |
996 while read mode sha1 stage sm_path
997 do
998 name=$(module_name "$sm_path")
999 url=$(git config -f .gitmodules --get submodule."$name".url)
1000 # Possibly a url relative to parent
1002 case "$url" in
1003 ./*|../*)
1004 # rewrite foo/bar as ../.. to find path from
1005 # submodule work tree to superproject work tree
1006 up_path="$(echo "$sm_path" | sed "s/[^/][^/]*/../g")" &&
1007 # guarantee a trailing /
1008 up_path=${up_path%/}/ &&
1009 # path from submodule work tree to submodule origin repo
1010 sub_origin_url=$(resolve_relative_url "$url" "$up_path") &&
1011 # path from superproject work tree to submodule origin repo
1012 super_config_url=$(resolve_relative_url "$url") || exit
1013 ;;
1014 *)
1015 sub_origin_url="$url"
1016 super_config_url="$url"
1017 ;;
1018 esac
1019 if git config "submodule.$name.url" >/dev/null 2>/dev/null
1021 then
1022 say "$(eval_gettext "Synchronizing submodule url for '\$name'")"
1023 git config submodule."$name".url "$super_config_url"
1024 if test -e "$sm_path"/.git
1026 then
1027 (
1028 clear_local_git_env
1029 cd "$sm_path"
1030 remote=$(get_default_remote)
1031 git config remote."$remote".url "$sub_origin_url"
1032 )
1033 fi
1034 fi
1035 done
1036}
1037# This loop parses the command line arguments to find the
1039# subcommand name to dispatch. Parsing of the subcommand specific
1040# options are primarily done by the subcommand implementations.
1041# Subcommand specific options such as --branch and --cached are
1042# parsed here as well, for backward compatibility.
1043while test $# != 0 && test -z "$command"
1045do
1046 case "$1" in
1047 add | foreach | init | update | status | summary | sync)
1048 command=$1
1049 ;;
1050 -q|--quiet)
1051 GIT_QUIET=1
1052 ;;
1053 -b|--branch)
1054 case "$2" in
1055 '')
1056 usage
1057 ;;
1058 esac
1059 branch="$2"; shift
1060 ;;
1061 --cached)
1062 cached="$1"
1063 ;;
1064 --)
1065 break
1066 ;;
1067 -*)
1068 usage
1069 ;;
1070 *)
1071 break
1072 ;;
1073 esac
1074 shift
1075done
1076# No command word defaults to "status"
1078test -n "$command" || command=status
1079# "-b branch" is accepted only by "add"
1081if test -n "$branch" && test "$command" != add
1082then
1083 usage
1084fi
1085# "--cached" is accepted only by "status" and "summary"
1087if test -n "$cached" && test "$command" != status -a "$command" != summary
1088then
1089 usage
1090fi
1091"cmd_$command" "$@"