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] [--name <name>] [--reference <repository>] [--] <repository> [<path>]
9 or: $dashless [--quiet] status [--cached] [--recursive] [--] [<path>...]
10 or: $dashless [--quiet] init [--] [<path>...]
11 or: $dashless [--quiet] deinit [-f|--force] (--all| [--] <path>...)
12 or: $dashless [--quiet] update [--init] [--remote] [-N|--no-fetch] [-f|--force] [--checkout|--merge|--rebase] [--reference <repository>] [--recursive] [--] [<path>...]
13 or: $dashless [--quiet] summary [--cached|--files] [--summary-limit <n>] [commit] [--] [<path>...]
14 or: $dashless [--quiet] foreach [--recursive] <command>
15 or: $dashless [--quiet] sync [--recursive] [--] [<path>...]"
16OPTIONS_SPEC=
17SUBDIRECTORY_OK=Yes
18. git-sh-setup
19. git-sh-i18n
20. git-parse-remote
21require_work_tree
22wt_prefix=$(git rev-parse --show-prefix)
23cd_to_toplevel
24# Tell the rest of git that any URLs we get don't come
26# directly from the user, so it can apply policy as appropriate.
27GIT_PROTOCOL_FROM_USER=0
28export GIT_PROTOCOL_FROM_USER
29command=
31branch=
32force=
33reference=
34cached=
35recursive=
36init=
37files=
38remote=
39nofetch=
40update=
41prefix=
42custom_name=
43depth=
44die_if_unmatched ()
46{
47 if test "$1" = "#unmatched"
48 then
49 exit 1
50 fi
51}
52#
54# Print a submodule configuration setting
55#
56# $1 = submodule name
57# $2 = option name
58# $3 = default value
59#
60# Checks in the usual git-config places first (for overrides),
61# otherwise it falls back on .gitmodules. This allows you to
62# distribute project-wide defaults in .gitmodules, while still
63# customizing individual repositories if necessary. If the option is
64# not in .gitmodules either, print a default value.
65#
66get_submodule_config () {
67 name="$1"
68 option="$2"
69 default="$3"
70 value=$(git config submodule."$name"."$option")
71 if test -z "$value"
72 then
73 value=$(git config -f .gitmodules submodule."$name"."$option")
74 fi
75 printf '%s' "${value:-$default}"
76}
77isnumber()
79{
80 n=$(($1 + 0)) 2>/dev/null && test "$n" = "$1"
81}
82# Sanitize the local git environment for use within a submodule. We
84# can't simply use clear_local_git_env since we want to preserve some
85# of the settings from GIT_CONFIG_PARAMETERS.
86sanitize_submodule_env()
87{
88 save_config=$GIT_CONFIG_PARAMETERS
89 clear_local_git_env
90 GIT_CONFIG_PARAMETERS=$save_config
91 export GIT_CONFIG_PARAMETERS
92}
93#
95# Add a new submodule to the working tree, .gitmodules and the index
96#
97# $@ = repo path
98#
99# optional branch is stored in global branch variable
100#
101cmd_add()
102{
103 # parse $args after "submodule ... add".
104 reference_path=
105 while test $# -ne 0
106 do
107 case "$1" in
108 -b | --branch)
109 case "$2" in '') usage ;; esac
110 branch=$2
111 shift
112 ;;
113 -f | --force)
114 force=$1
115 ;;
116 -q|--quiet)
117 GIT_QUIET=1
118 ;;
119 --reference)
120 case "$2" in '') usage ;; esac
121 reference_path=$2
122 shift
123 ;;
124 --reference=*)
125 reference_path="${1#--reference=}"
126 ;;
127 --name)
128 case "$2" in '') usage ;; esac
129 custom_name=$2
130 shift
131 ;;
132 --depth)
133 case "$2" in '') usage ;; esac
134 depth="--depth=$2"
135 shift
136 ;;
137 --depth=*)
138 depth=$1
139 ;;
140 --)
141 shift
142 break
143 ;;
144 -*)
145 usage
146 ;;
147 *)
148 break
149 ;;
150 esac
151 shift
152 done
153 if test -n "$reference_path"
155 then
156 is_absolute_path "$reference_path" ||
157 reference_path="$wt_prefix$reference_path"
158 reference="--reference=$reference_path"
160 fi
161 repo=$1
163 sm_path=$2
164 if test -z "$sm_path"; then
166 sm_path=$(printf '%s\n' "$repo" |
167 sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
168 fi
169 if test -z "$repo" || test -z "$sm_path"; then
171 usage
172 fi
173 is_absolute_path "$sm_path" || sm_path="$wt_prefix$sm_path"
175 # assure repo is absolute or relative to parent
177 case "$repo" in
178 ./*|../*)
179 test -z "$wt_prefix" ||
180 die "$(gettext "Relative path can only be used from the toplevel of the working tree")"
181 # dereference source url relative to parent's url
183 realrepo=$(git submodule--helper resolve-relative-url "$repo") || exit
184 ;;
185 *:*|/*)
186 # absolute url
187 realrepo=$repo
188 ;;
189 *)
190 die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")"
191 ;;
192 esac
193 # normalize path:
195 # multiple //; leading ./; /./; /../; trailing /
196 sm_path=$(printf '%s/\n' "$sm_path" |
197 sed -e '
198 s|//*|/|g
199 s|^\(\./\)*||
200 s|/\(\./\)*|/|g
201 :start
202 s|\([^/]*\)/\.\./||
203 tstart
204 s|/*$||
205 ')
206 git ls-files --error-unmatch "$sm_path" > /dev/null 2>&1 &&
207 die "$(eval_gettext "'\$sm_path' already exists in the index")"
208 if test -z "$force" && ! git add --dry-run --ignore-missing "$sm_path" > /dev/null 2>&1
210 then
211 eval_gettextln "The following path is ignored by one of your .gitignore files:
212\$sm_path
213Use -f if you really want to add it." >&2
214 exit 1
215 fi
216 if test -n "$custom_name"
218 then
219 sm_name="$custom_name"
220 else
221 sm_name="$sm_path"
222 fi
223 # perhaps the path exists and is already a git repo, else clone it
225 if test -e "$sm_path"
226 then
227 if test -d "$sm_path"/.git || test -f "$sm_path"/.git
228 then
229 eval_gettextln "Adding existing repo at '\$sm_path' to the index"
230 else
231 die "$(eval_gettext "'\$sm_path' already exists and is not a valid git repo")"
232 fi
233 else
235 if test -d ".git/modules/$sm_name"
236 then
237 if test -z "$force"
238 then
239 echo >&2 "$(eval_gettext "A git directory for '\$sm_name' is found locally with remote(s):")"
240 GIT_DIR=".git/modules/$sm_name" GIT_WORK_TREE=. git remote -v | grep '(fetch)' | sed -e s,^," ", -e s,' (fetch)',, >&2
241 echo >&2 "$(eval_gettext "If you want to reuse this local git directory instead of cloning again from")"
242 echo >&2 " $realrepo"
243 echo >&2 "$(eval_gettext "use the '--force' option. If the local git directory is not the correct repo")"
244 die "$(eval_gettext "or you are unsure what this means choose another name with the '--name' option.")"
245 else
246 echo "$(eval_gettext "Reactivating local git directory for submodule '\$sm_name'.")"
247 fi
248 fi
249 git submodule--helper clone ${GIT_QUIET:+--quiet} --prefix "$wt_prefix" --path "$sm_path" --name "$sm_name" --url "$realrepo" ${reference:+"$reference"} ${depth:+"$depth"} || exit
250 (
251 sanitize_submodule_env
252 cd "$sm_path" &&
253 # ash fails to wordsplit ${branch:+-b "$branch"...}
254 case "$branch" in
255 '') git checkout -f -q ;;
256 ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
257 esac
258 ) || die "$(eval_gettext "Unable to checkout submodule '\$sm_path'")"
259 fi
260 git config submodule."$sm_name".url "$realrepo"
261 git add $force "$sm_path" ||
263 die "$(eval_gettext "Failed to add submodule '\$sm_path'")"
264 git config -f .gitmodules submodule."$sm_name".path "$sm_path" &&
266 git config -f .gitmodules submodule."$sm_name".url "$repo" &&
267 if test -n "$branch"
268 then
269 git config -f .gitmodules submodule."$sm_name".branch "$branch"
270 fi &&
271 git add --force .gitmodules ||
272 die "$(eval_gettext "Failed to register submodule '\$sm_path'")"
273}
274#
276# Execute an arbitrary command sequence in each checked out
277# submodule
278#
279# $@ = command to execute
280#
281cmd_foreach()
282{
283 # parse $args after "submodule ... foreach".
284 while test $# -ne 0
285 do
286 case "$1" in
287 -q|--quiet)
288 GIT_QUIET=1
289 ;;
290 --recursive)
291 recursive=1
292 ;;
293 -*)
294 usage
295 ;;
296 *)
297 break
298 ;;
299 esac
300 shift
301 done
302 toplevel=$(pwd)
304 # dup stdin so that it can be restored when running the external
306 # command in the subshell (and a recursive call to this function)
307 exec 3<&0
308 {
310 git submodule--helper list --prefix "$wt_prefix" ||
311 echo "#unmatched"
312 } |
313 while read mode sha1 stage sm_path
314 do
315 die_if_unmatched "$mode"
316 if test -e "$sm_path"/.git
317 then
318 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
319 say "$(eval_gettext "Entering '\$displaypath'")"
320 name=$(git submodule--helper name "$sm_path")
321 (
322 prefix="$prefix$sm_path/"
323 sanitize_submodule_env
324 cd "$sm_path" &&
325 sm_path=$(git submodule--helper relative-path "$sm_path" "$wt_prefix") &&
326 # we make $path available to scripts ...
327 path=$sm_path &&
328 if test $# -eq 1
329 then
330 eval "$1"
331 else
332 "$@"
333 fi &&
334 if test -n "$recursive"
335 then
336 cmd_foreach "--recursive" "$@"
337 fi
338 ) <&3 3<&- ||
339 die "$(eval_gettext "Stopping at '\$displaypath'; script returned non-zero status.")"
340 fi
341 done
342}
343#
345# Register submodules in .git/config
346#
347# $@ = requested paths (default to all)
348#
349cmd_init()
350{
351 # parse $args after "submodule ... init".
352 while test $# -ne 0
353 do
354 case "$1" in
355 -q|--quiet)
356 GIT_QUIET=1
357 ;;
358 --)
359 shift
360 break
361 ;;
362 -*)
363 usage
364 ;;
365 *)
366 break
367 ;;
368 esac
369 shift
370 done
371 git ${wt_prefix:+-C "$wt_prefix"} submodule--helper init ${GIT_QUIET:+--quiet} ${prefix:+--prefix "$prefix"} "$@"
373}
374#
376# Unregister submodules from .git/config and remove their work tree
377#
378cmd_deinit()
379{
380 # parse $args after "submodule ... deinit".
381 deinit_all=
382 while test $# -ne 0
383 do
384 case "$1" in
385 -f|--force)
386 force=$1
387 ;;
388 -q|--quiet)
389 GIT_QUIET=1
390 ;;
391 --all)
392 deinit_all=t
393 ;;
394 --)
395 shift
396 break
397 ;;
398 -*)
399 usage
400 ;;
401 *)
402 break
403 ;;
404 esac
405 shift
406 done
407 if test -n "$deinit_all" && test "$#" -ne 0
409 then
410 echo >&2 "$(eval_gettext "pathspec and --all are incompatible")"
411 usage
412 fi
413 if test $# = 0 && test -z "$deinit_all"
414 then
415 die "$(eval_gettext "Use '--all' if you really want to deinitialize all submodules")"
416 fi
417 {
419 git submodule--helper list --prefix "$wt_prefix" "$@" ||
420 echo "#unmatched"
421 } |
422 while read mode sha1 stage sm_path
423 do
424 die_if_unmatched "$mode"
425 name=$(git submodule--helper name "$sm_path") || exit
426 displaypath=$(git submodule--helper relative-path "$sm_path" "$wt_prefix")
428 # Remove the submodule work tree (unless the user already did it)
430 if test -d "$sm_path"
431 then
432 # Protect submodules containing a .git directory
433 if test -d "$sm_path/.git"
434 then
435 echo >&2 "$(eval_gettext "Submodule work tree '\$displaypath' contains a .git directory")"
436 die "$(eval_gettext "(use 'rm -rf' if you really want to remove it including all of its history)")"
437 fi
438 if test -z "$force"
440 then
441 git rm -qn "$sm_path" ||
442 die "$(eval_gettext "Submodule work tree '\$displaypath' contains local modifications; use '-f' to discard them")"
443 fi
444 rm -rf "$sm_path" &&
445 say "$(eval_gettext "Cleared directory '\$displaypath'")" ||
446 say "$(eval_gettext "Could not remove submodule work tree '\$displaypath'")"
447 fi
448 mkdir "$sm_path" || say "$(eval_gettext "Could not create empty submodule directory '\$displaypath'")"
450 # Remove the .git/config entries (unless the user already did it)
452 if test -n "$(git config --get-regexp submodule."$name\.")"
453 then
454 # Remove the whole section so we have a clean state when
455 # the user later decides to init this submodule again
456 url=$(git config submodule."$name".url)
457 git config --remove-section submodule."$name" 2>/dev/null &&
458 say "$(eval_gettext "Submodule '\$name' (\$url) unregistered for path '\$displaypath'")"
459 fi
460 done
461}
462is_tip_reachable () (
464 sanitize_submodule_env &&
465 cd "$1" &&
466 rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) &&
467 test -z "$rev"
468)
469fetch_in_submodule () (
471 sanitize_submodule_env &&
472 cd "$1" &&
473 case "$2" in
474 '')
475 git fetch ;;
476 *)
477 git fetch $(get_default_remote) "$2" ;;
478 esac
479)
480#
482# Update each submodule path to correct revision, using clone and checkout as needed
483#
484# $@ = requested paths (default to all)
485#
486cmd_update()
487{
488 # parse $args after "submodule ... update".
489 while test $# -ne 0
490 do
491 case "$1" in
492 -q|--quiet)
493 GIT_QUIET=1
494 ;;
495 -i|--init)
496 init=1
497 ;;
498 --remote)
499 remote=1
500 ;;
501 -N|--no-fetch)
502 nofetch=1
503 ;;
504 -f|--force)
505 force=$1
506 ;;
507 -r|--rebase)
508 update="rebase"
509 ;;
510 --reference)
511 case "$2" in '') usage ;; esac
512 reference="--reference=$2"
513 shift
514 ;;
515 --reference=*)
516 reference="$1"
517 ;;
518 -m|--merge)
519 update="merge"
520 ;;
521 --recursive)
522 recursive=1
523 ;;
524 --checkout)
525 update="checkout"
526 ;;
527 --depth)
528 case "$2" in '') usage ;; esac
529 depth="--depth=$2"
530 shift
531 ;;
532 --depth=*)
533 depth=$1
534 ;;
535 -j|--jobs)
536 case "$2" in '') usage ;; esac
537 jobs="--jobs=$2"
538 shift
539 ;;
540 --jobs=*)
541 jobs=$1
542 ;;
543 --)
544 shift
545 break
546 ;;
547 -*)
548 usage
549 ;;
550 *)
551 break
552 ;;
553 esac
554 shift
555 done
556 if test -n "$init"
558 then
559 cmd_init "--" "$@" || return
560 fi
561 {
563 git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
564 ${wt_prefix:+--prefix "$wt_prefix"} \
565 ${prefix:+--recursive-prefix "$prefix"} \
566 ${update:+--update "$update"} \
567 ${reference:+--reference "$reference"} \
568 ${depth:+--depth "$depth"} \
569 ${jobs:+$jobs} \
570 "$@" || echo "#unmatched"
571 } | {
572 err=
573 while read mode sha1 stage just_cloned sm_path
574 do
575 die_if_unmatched "$mode"
576 name=$(git submodule--helper name "$sm_path") || exit
578 url=$(git config submodule."$name".url)
579 branch=$(get_submodule_config "$name" branch master)
580 if ! test -z "$update"
581 then
582 update_module=$update
583 else
584 update_module=$(git config submodule."$name".update)
585 if test -z "$update_module"
586 then
587 update_module="checkout"
588 fi
589 fi
590 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
592 if test $just_cloned -eq 1
594 then
595 subsha1=
596 update_module=checkout
597 else
598 subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
599 git rev-parse --verify HEAD) ||
600 die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
601 fi
602 if test -n "$remote"
604 then
605 if test -z "$nofetch"
606 then
607 # Fetch remote before determining tracking $sha1
608 (sanitize_submodule_env; cd "$sm_path" && git-fetch) ||
609 die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
610 fi
611 remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote)
612 sha1=$(sanitize_submodule_env; cd "$sm_path" &&
613 git rev-parse --verify "${remote_name}/${branch}") ||
614 die "$(eval_gettext "Unable to find current ${remote_name}/${branch} revision in submodule path '\$sm_path'")"
615 fi
616 if test "$subsha1" != "$sha1" || test -n "$force"
618 then
619 subforce=$force
620 # If we don't already have a -f flag and the submodule has never been checked out
621 if test -z "$subsha1" && test -z "$force"
622 then
623 subforce="-f"
624 fi
625 if test -z "$nofetch"
627 then
628 # Run fetch only if $sha1 isn't present or it
629 # is not reachable from a ref.
630 is_tip_reachable "$sm_path" "$sha1" ||
631 fetch_in_submodule "$sm_path" ||
632 die "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
633 # Now we tried the usual fetch, but $sha1 may
635 # not be reachable from any of the refs
636 is_tip_reachable "$sm_path" "$sha1" ||
637 fetch_in_submodule "$sm_path" "$sha1" ||
638 die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain $sha1. Direct fetching of that commit failed.")"
639 fi
640 must_die_on_failure=
642 case "$update_module" in
643 checkout)
644 command="git checkout $subforce -q"
645 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
646 say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
647 ;;
648 rebase)
649 command="git rebase"
650 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
651 say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
652 must_die_on_failure=yes
653 ;;
654 merge)
655 command="git merge"
656 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
657 say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
658 must_die_on_failure=yes
659 ;;
660 !*)
661 command="${update_module#!}"
662 die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
663 say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
664 must_die_on_failure=yes
665 ;;
666 *)
667 die "$(eval_gettext "Invalid update mode '$update_module' for submodule '$name'")"
668 esac
669 if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
671 then
672 say "$say_msg"
673 elif test -n "$must_die_on_failure"
674 then
675 die_with_status 2 "$die_msg"
676 else
677 err="${err};$die_msg"
678 continue
679 fi
680 fi
681 if test -n "$recursive"
683 then
684 (
685 prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix")
686 wt_prefix=
687 sanitize_submodule_env
688 cd "$sm_path" &&
689 eval cmd_update
690 )
691 res=$?
692 if test $res -gt 0
693 then
694 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")"
695 if test $res -eq 1
696 then
697 err="${err};$die_msg"
698 continue
699 else
700 die_with_status $res "$die_msg"
701 fi
702 fi
703 fi
704 done
705 if test -n "$err"
707 then
708 OIFS=$IFS
709 IFS=';'
710 for e in $err
711 do
712 if test -n "$e"
713 then
714 echo >&2 "$e"
715 fi
716 done
717 IFS=$OIFS
718 exit 1
719 fi
720 }
721}
722set_name_rev () {
724 revname=$( (
725 sanitize_submodule_env
726 cd "$1" && {
727 git describe "$2" 2>/dev/null ||
728 git describe --tags "$2" 2>/dev/null ||
729 git describe --contains "$2" 2>/dev/null ||
730 git describe --all --always "$2"
731 }
732 ) )
733 test -z "$revname" || revname=" ($revname)"
734}
735#
736# Show commit summary for submodules in index or working tree
737#
738# If '--cached' is given, show summary between index and given commit,
739# or between working tree and given commit
740#
741# $@ = [commit (default 'HEAD'),] requested paths (default all)
742#
743cmd_summary() {
744 summary_limit=-1
745 for_status=
746 diff_cmd=diff-index
747 # parse $args after "submodule ... summary".
749 while test $# -ne 0
750 do
751 case "$1" in
752 --cached)
753 cached="$1"
754 ;;
755 --files)
756 files="$1"
757 ;;
758 --for-status)
759 for_status="$1"
760 ;;
761 -n|--summary-limit)
762 summary_limit="$2"
763 isnumber "$summary_limit" || usage
764 shift
765 ;;
766 --summary-limit=*)
767 summary_limit="${1#--summary-limit=}"
768 isnumber "$summary_limit" || usage
769 ;;
770 --)
771 shift
772 break
773 ;;
774 -*)
775 usage
776 ;;
777 *)
778 break
779 ;;
780 esac
781 shift
782 done
783 test $summary_limit = 0 && return
785 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
787 then
788 head=$rev
789 test $# = 0 || shift
790 elif test -z "$1" || test "$1" = "HEAD"
791 then
792 # before the first commit: compare with an empty tree
793 head=$(git hash-object -w -t tree --stdin </dev/null)
794 test -z "$1" || shift
795 else
796 head="HEAD"
797 fi
798 if [ -n "$files" ]
800 then
801 test -n "$cached" &&
802 die "$(gettext "The --cached option cannot be used with the --files option")"
803 diff_cmd=diff-files
804 head=
805 fi
806 cd_to_toplevel
808 eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
809 # Get modified modules cared by user
810 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
811 sane_egrep '^:([0-7]* )?160000' |
812 while read mod_src mod_dst sha1_src sha1_dst status sm_path
813 do
814 # Always show modules deleted or type-changed (blob<->module)
815 if test "$status" = D || test "$status" = T
816 then
817 printf '%s\n' "$sm_path"
818 continue
819 fi
820 # Respect the ignore setting for --for-status.
821 if test -n "$for_status"
822 then
823 name=$(git submodule--helper name "$sm_path")
824 ignore_config=$(get_submodule_config "$name" ignore none)
825 test $status != A && test $ignore_config = all && continue
826 fi
827 # Also show added or modified modules which are checked out
828 GIT_DIR="$sm_path/.git" git-rev-parse --git-dir >/dev/null 2>&1 &&
829 printf '%s\n' "$sm_path"
830 done
831 )
832 test -z "$modules" && return
834 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
836 sane_egrep '^:([0-7]* )?160000' |
837 cut -c2- |
838 while read mod_src mod_dst sha1_src sha1_dst status name
839 do
840 if test -z "$cached" &&
841 test $sha1_dst = 0000000000000000000000000000000000000000
842 then
843 case "$mod_dst" in
844 160000)
845 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
846 ;;
847 100644 | 100755 | 120000)
848 sha1_dst=$(git hash-object $name)
849 ;;
850 000000)
851 ;; # removed
852 *)
853 # unexpected type
854 eval_gettextln "unexpected mode \$mod_dst" >&2
855 continue ;;
856 esac
857 fi
858 missing_src=
859 missing_dst=
860 test $mod_src = 160000 &&
862 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_src^0 >/dev/null &&
863 missing_src=t
864 test $mod_dst = 160000 &&
866 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_dst^0 >/dev/null &&
867 missing_dst=t
868 display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
870 total_commits=
872 case "$missing_src,$missing_dst" in
873 t,)
874 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")"
875 ;;
876 ,t)
877 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")"
878 ;;
879 t,t)
880 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")"
881 ;;
882 *)
883 errmsg=
884 total_commits=$(
885 if test $mod_src = 160000 && test $mod_dst = 160000
886 then
887 range="$sha1_src...$sha1_dst"
888 elif test $mod_src = 160000
889 then
890 range=$sha1_src
891 else
892 range=$sha1_dst
893 fi
894 GIT_DIR="$name/.git" \
895 git rev-list --first-parent $range -- | wc -l
896 )
897 total_commits=" ($(($total_commits + 0)))"
898 ;;
899 esac
900 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
902 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
903 if test $status = T
904 then
905 blob="$(gettext "blob")"
906 submodule="$(gettext "submodule")"
907 if test $mod_dst = 160000
908 then
909 echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
910 else
911 echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
912 fi
913 else
914 echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
915 fi
916 if test -n "$errmsg"
917 then
918 # Don't give error msg for modification whose dst is not submodule
919 # i.e. deleted or changed to blob
920 test $mod_dst = 160000 && echo "$errmsg"
921 else
922 if test $mod_src = 160000 && test $mod_dst = 160000
923 then
924 limit=
925 test $summary_limit -gt 0 && limit="-$summary_limit"
926 GIT_DIR="$name/.git" \
927 git log $limit --pretty='format: %m %s' \
928 --first-parent $sha1_src...$sha1_dst
929 elif test $mod_dst = 160000
930 then
931 GIT_DIR="$name/.git" \
932 git log --pretty='format: > %s' -1 $sha1_dst
933 else
934 GIT_DIR="$name/.git" \
935 git log --pretty='format: < %s' -1 $sha1_src
936 fi
937 echo
938 fi
939 echo
940 done
941}
942#
943# List all submodules, prefixed with:
944# - submodule not initialized
945# + different revision checked out
946#
947# If --cached was specified the revision in the index will be printed
948# instead of the currently checked out revision.
949#
950# $@ = requested paths (default to all)
951#
952cmd_status()
953{
954 # parse $args after "submodule ... status".
955 while test $# -ne 0
956 do
957 case "$1" in
958 -q|--quiet)
959 GIT_QUIET=1
960 ;;
961 --cached)
962 cached=1
963 ;;
964 --recursive)
965 recursive=1
966 ;;
967 --)
968 shift
969 break
970 ;;
971 -*)
972 usage
973 ;;
974 *)
975 break
976 ;;
977 esac
978 shift
979 done
980 {
982 git submodule--helper list --prefix "$wt_prefix" "$@" ||
983 echo "#unmatched"
984 } |
985 while read mode sha1 stage sm_path
986 do
987 die_if_unmatched "$mode"
988 name=$(git submodule--helper name "$sm_path") || exit
989 url=$(git config submodule."$name".url)
990 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
991 if test "$stage" = U
992 then
993 say "U$sha1 $displaypath"
994 continue
995 fi
996 if test -z "$url" ||
997 {
998 ! test -d "$sm_path"/.git &&
999 ! test -f "$sm_path"/.git
1000 }
1001 then
1002 say "-$sha1 $displaypath"
1003 continue;
1004 fi
1005 if git diff-files --ignore-submodules=dirty --quiet -- "$sm_path"
1006 then
1007 set_name_rev "$sm_path" "$sha1"
1008 say " $sha1 $displaypath$revname"
1009 else
1010 if test -z "$cached"
1011 then
1012 sha1=$(sanitize_submodule_env; cd "$sm_path" && git rev-parse --verify HEAD)
1013 fi
1014 set_name_rev "$sm_path" "$sha1"
1015 say "+$sha1 $displaypath$revname"
1016 fi
1017 if test -n "$recursive"
1019 then
1020 (
1021 prefix="$displaypath/"
1022 sanitize_submodule_env
1023 wt_prefix=
1024 cd "$sm_path" &&
1025 eval cmd_status
1026 ) ||
1027 die "$(eval_gettext "Failed to recurse into submodule path '\$sm_path'")"
1028 fi
1029 done
1030}
1031#
1032# Sync remote urls for submodules
1033# This makes the value for remote.$remote.url match the value
1034# specified in .gitmodules.
1035#
1036cmd_sync()
1037{
1038 while test $# -ne 0
1039 do
1040 case "$1" in
1041 -q|--quiet)
1042 GIT_QUIET=1
1043 shift
1044 ;;
1045 --recursive)
1046 recursive=1
1047 shift
1048 ;;
1049 --)
1050 shift
1051 break
1052 ;;
1053 -*)
1054 usage
1055 ;;
1056 *)
1057 break
1058 ;;
1059 esac
1060 done
1061 cd_to_toplevel
1062 {
1063 git submodule--helper list --prefix "$wt_prefix" "$@" ||
1064 echo "#unmatched"
1065 } |
1066 while read mode sha1 stage sm_path
1067 do
1068 die_if_unmatched "$mode"
1069 name=$(git submodule--helper name "$sm_path")
1070 url=$(git config -f .gitmodules --get submodule."$name".url)
1071 # Possibly a url relative to parent
1073 case "$url" in
1074 ./*|../*)
1075 # rewrite foo/bar as ../.. to find path from
1076 # submodule work tree to superproject work tree
1077 up_path="$(printf '%s\n' "$sm_path" | sed "s/[^/][^/]*/../g")" &&
1078 # guarantee a trailing /
1079 up_path=${up_path%/}/ &&
1080 # path from submodule work tree to submodule origin repo
1081 sub_origin_url=$(git submodule--helper resolve-relative-url "$url" "$up_path") &&
1082 # path from superproject work tree to submodule origin repo
1083 super_config_url=$(git submodule--helper resolve-relative-url "$url") || exit
1084 ;;
1085 *)
1086 sub_origin_url="$url"
1087 super_config_url="$url"
1088 ;;
1089 esac
1090 if git config "submodule.$name.url" >/dev/null 2>/dev/null
1092 then
1093 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
1094 say "$(eval_gettext "Synchronizing submodule url for '\$displaypath'")"
1095 git config submodule."$name".url "$super_config_url"
1096 if test -e "$sm_path"/.git
1098 then
1099 (
1100 sanitize_submodule_env
1101 cd "$sm_path"
1102 remote=$(get_default_remote)
1103 git config remote."$remote".url "$sub_origin_url"
1104 if test -n "$recursive"
1106 then
1107 prefix="$prefix$sm_path/"
1108 eval cmd_sync
1109 fi
1110 )
1111 fi
1112 fi
1113 done
1114}
1115# This loop parses the command line arguments to find the
1117# subcommand name to dispatch. Parsing of the subcommand specific
1118# options are primarily done by the subcommand implementations.
1119# Subcommand specific options such as --branch and --cached are
1120# parsed here as well, for backward compatibility.
1121while test $# != 0 && test -z "$command"
1123do
1124 case "$1" in
1125 add | foreach | init | deinit | update | status | summary | sync)
1126 command=$1
1127 ;;
1128 -q|--quiet)
1129 GIT_QUIET=1
1130 ;;
1131 -b|--branch)
1132 case "$2" in
1133 '')
1134 usage
1135 ;;
1136 esac
1137 branch="$2"; shift
1138 ;;
1139 --cached)
1140 cached="$1"
1141 ;;
1142 --)
1143 break
1144 ;;
1145 -*)
1146 usage
1147 ;;
1148 *)
1149 break
1150 ;;
1151 esac
1152 shift
1153done
1154# No command word defaults to "status"
1156if test -z "$command"
1157then
1158 if test $# = 0
1159 then
1160 command=status
1161 else
1162 usage
1163 fi
1164fi
1165# "-b branch" is accepted only by "add"
1167if test -n "$branch" && test "$command" != add
1168then
1169 usage
1170fi
1171# "--cached" is accepted only by "status" and "summary"
1173if test -n "$cached" && test "$command" != status && test "$command" != summary
1174then
1175 usage
1176fi
1177"cmd_$command" "$@"