5c7d25197774e1d48510bdafbdc6a50feec36443
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: $dashless [--quiet] sync [--recursive] [--] [<path>...]"
16OPTIONS_SPEC=
17SUBDIRECTORY_OK=Yes
18. git-sh-setup
19. git-parse-remote
20require_work_tree
21wt_prefix=$(git rev-parse --show-prefix)
22cd_to_toplevel
23# Restrict ourselves to a vanilla subset of protocols; the URLs
25# we get are under control of a remote repository, and we do not
26# want them kicking off arbitrary git-remote-* programs.
27#
28# If the user has already specified a set of allowed protocols,
29# we assume they know what they're doing and use that instead.
30: ${GIT_ALLOW_PROTOCOL=file:git:http:https:ssh}
31export GIT_ALLOW_PROTOCOL
32command=
34branch=
35force=
36reference=
37cached=
38recursive=
39init=
40files=
41remote=
42nofetch=
43update=
44prefix=
45custom_name=
46depth=
47# Resolve a path to be relative to another path. This is intended for
49# converting submodule paths when git-submodule is run in a subdirectory
50# and only handles paths where the directory separator is '/'.
51#
52# The output is the first argument as a path relative to the second argument,
53# which defaults to $wt_prefix if it is omitted.
54relative_path ()
55{
56 local target curdir result
57 target=$1
58 curdir=${2-$wt_prefix}
59 curdir=${curdir%/}
60 result=
61 while test -n "$curdir"
63 do
64 case "$target" in
65 "$curdir/"*)
66 target=${target#"$curdir"/}
67 break
68 ;;
69 esac
70 result="${result}../"
72 if test "$curdir" = "${curdir%/*}"
73 then
74 curdir=
75 else
76 curdir="${curdir%/*}"
77 fi
78 done
79 echo "$result$target"
81}
82die_if_unmatched ()
84{
85 if test "$1" = "#unmatched"
86 then
87 exit 1
88 fi
89}
90#
92# Print a submodule configuration setting
93#
94# $1 = submodule name
95# $2 = option name
96# $3 = default value
97#
98# Checks in the usual git-config places first (for overrides),
99# otherwise it falls back on .gitmodules. This allows you to
100# distribute project-wide defaults in .gitmodules, while still
101# customizing individual repositories if necessary. If the option is
102# not in .gitmodules either, print a default value.
103#
104get_submodule_config () {
105 name="$1"
106 option="$2"
107 default="$3"
108 value=$(git config submodule."$name"."$option")
109 if test -z "$value"
110 then
111 value=$(git config -f .gitmodules submodule."$name"."$option")
112 fi
113 printf '%s' "${value:-$default}"
114}
115isnumber()
117{
118 n=$(($1 + 0)) 2>/dev/null && test "$n" = "$1"
119}
120# Sanitize the local git environment for use within a submodule. We
122# can't simply use clear_local_git_env since we want to preserve some
123# of the settings from GIT_CONFIG_PARAMETERS.
124sanitize_submodule_env()
125{
126 save_config=$GIT_CONFIG_PARAMETERS
127 clear_local_git_env
128 GIT_CONFIG_PARAMETERS=$save_config
129 export GIT_CONFIG_PARAMETERS
130}
131#
133# Add a new submodule to the working tree, .gitmodules and the index
134#
135# $@ = repo path
136#
137# optional branch is stored in global branch variable
138#
139cmd_add()
140{
141 # parse $args after "submodule ... add".
142 reference_path=
143 while test $# -ne 0
144 do
145 case "$1" in
146 -b | --branch)
147 case "$2" in '') usage ;; esac
148 branch=$2
149 shift
150 ;;
151 -f | --force)
152 force=$1
153 ;;
154 -q|--quiet)
155 GIT_QUIET=1
156 ;;
157 --reference)
158 case "$2" in '') usage ;; esac
159 reference_path=$2
160 shift
161 ;;
162 --reference=*)
163 reference_path="${1#--reference=}"
164 ;;
165 --name)
166 case "$2" in '') usage ;; esac
167 custom_name=$2
168 shift
169 ;;
170 --depth)
171 case "$2" in '') usage ;; esac
172 depth="--depth=$2"
173 shift
174 ;;
175 --depth=*)
176 depth=$1
177 ;;
178 --)
179 shift
180 break
181 ;;
182 -*)
183 usage
184 ;;
185 *)
186 break
187 ;;
188 esac
189 shift
190 done
191 if test -n "$reference_path"
193 then
194 is_absolute_path "$reference_path" ||
195 reference_path="$wt_prefix$reference_path"
196 reference="--reference=$reference_path"
198 fi
199 repo=$1
201 sm_path=$2
202 if test -z "$sm_path"; then
204 sm_path=$(printf '%s\n' "$repo" |
205 sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
206 fi
207 if test -z "$repo" || test -z "$sm_path"; then
209 usage
210 fi
211 is_absolute_path "$sm_path" || sm_path="$wt_prefix$sm_path"
213 # assure repo is absolute or relative to parent
215 case "$repo" in
216 ./*|../*)
217 test -z "$wt_prefix" ||
218 die "$(gettext "Relative path can only be used from the toplevel of the working tree")"
219 # dereference source url relative to parent's url
221 realrepo=$(git submodule--helper resolve-relative-url "$repo") || exit
222 ;;
223 *:*|/*)
224 # absolute url
225 realrepo=$repo
226 ;;
227 *)
228 die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")"
229 ;;
230 esac
231 # normalize path:
233 # multiple //; leading ./; /./; /../; trailing /
234 sm_path=$(printf '%s/\n' "$sm_path" |
235 sed -e '
236 s|//*|/|g
237 s|^\(\./\)*||
238 s|/\(\./\)*|/|g
239 :start
240 s|\([^/]*\)/\.\./||
241 tstart
242 s|/*$||
243 ')
244 git ls-files --error-unmatch "$sm_path" > /dev/null 2>&1 &&
245 die "$(eval_gettext "'\$sm_path' already exists in the index")"
246 if test -z "$force" && ! git add --dry-run --ignore-missing "$sm_path" > /dev/null 2>&1
248 then
249 eval_gettextln "The following path is ignored by one of your .gitignore files:
250\$sm_path
251Use -f if you really want to add it." >&2
252 exit 1
253 fi
254 if test -n "$custom_name"
256 then
257 sm_name="$custom_name"
258 else
259 sm_name="$sm_path"
260 fi
261 # perhaps the path exists and is already a git repo, else clone it
263 if test -e "$sm_path"
264 then
265 if test -d "$sm_path"/.git || test -f "$sm_path"/.git
266 then
267 eval_gettextln "Adding existing repo at '\$sm_path' to the index"
268 else
269 die "$(eval_gettext "'\$sm_path' already exists and is not a valid git repo")"
270 fi
271 else
273 if test -d ".git/modules/$sm_name"
274 then
275 if test -z "$force"
276 then
277 eval_gettextln >&2 "A git directory for '\$sm_name' is found locally with remote(s):"
278 GIT_DIR=".git/modules/$sm_name" GIT_WORK_TREE=. git remote -v | grep '(fetch)' | sed -e s,^," ", -e s,' (fetch)',, >&2
279 die "$(eval_gettextln "\
280If you want to reuse this local git directory instead of cloning again from
281 \$realrepo
282use the '--force' option. If the local git directory is not the correct repo
283or you are unsure what this means choose another name with the '--name' option.")"
284 else
285 eval_gettextln "Reactivating local git directory for submodule '\$sm_name'."
286 fi
287 fi
288 git submodule--helper clone ${GIT_QUIET:+--quiet} --prefix "$wt_prefix" --path "$sm_path" --name "$sm_name" --url "$realrepo" ${reference:+"$reference"} ${depth:+"$depth"} || exit
289 (
290 sanitize_submodule_env
291 cd "$sm_path" &&
292 # ash fails to wordsplit ${branch:+-b "$branch"...}
293 case "$branch" in
294 '') git checkout -f -q ;;
295 ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
296 esac
297 ) || die "$(eval_gettext "Unable to checkout submodule '\$sm_path'")"
298 fi
299 git config submodule."$sm_name".url "$realrepo"
300 git add $force "$sm_path" ||
302 die "$(eval_gettext "Failed to add submodule '\$sm_path'")"
303 git config -f .gitmodules submodule."$sm_name".path "$sm_path" &&
305 git config -f .gitmodules submodule."$sm_name".url "$repo" &&
306 if test -n "$branch"
307 then
308 git config -f .gitmodules submodule."$sm_name".branch "$branch"
309 fi &&
310 git add --force .gitmodules ||
311 die "$(eval_gettext "Failed to register submodule '\$sm_path'")"
312}
313#
315# Execute an arbitrary command sequence in each checked out
316# submodule
317#
318# $@ = command to execute
319#
320cmd_foreach()
321{
322 # parse $args after "submodule ... foreach".
323 while test $# -ne 0
324 do
325 case "$1" in
326 -q|--quiet)
327 GIT_QUIET=1
328 ;;
329 --recursive)
330 recursive=1
331 ;;
332 -*)
333 usage
334 ;;
335 *)
336 break
337 ;;
338 esac
339 shift
340 done
341 toplevel=$(pwd)
343 # dup stdin so that it can be restored when running the external
345 # command in the subshell (and a recursive call to this function)
346 exec 3<&0
347 git submodule--helper list --prefix "$wt_prefix"|
349 while read mode sha1 stage sm_path
350 do
351 die_if_unmatched "$mode"
352 if test -e "$sm_path"/.git
353 then
354 displaypath=$(relative_path "$prefix$sm_path")
355 say "$(eval_gettext "Entering '\$displaypath'")"
356 name=$(git submodule--helper name "$sm_path")
357 (
358 prefix="$prefix$sm_path/"
359 sanitize_submodule_env
360 cd "$sm_path" &&
361 sm_path=$(relative_path "$sm_path") &&
362 # we make $path available to scripts ...
363 path=$sm_path &&
364 if test $# -eq 1
365 then
366 eval "$1"
367 else
368 "$@"
369 fi &&
370 if test -n "$recursive"
371 then
372 cmd_foreach "--recursive" "$@"
373 fi
374 ) <&3 3<&- ||
375 die "$(eval_gettext "Stopping at '\$displaypath'; script returned non-zero status.")"
376 fi
377 done
378}
379#
381# Register submodules in .git/config
382#
383# $@ = requested paths (default to all)
384#
385cmd_init()
386{
387 # parse $args after "submodule ... init".
388 while test $# -ne 0
389 do
390 case "$1" in
391 -q|--quiet)
392 GIT_QUIET=1
393 ;;
394 --)
395 shift
396 break
397 ;;
398 -*)
399 usage
400 ;;
401 *)
402 break
403 ;;
404 esac
405 shift
406 done
407 git ${wt_prefix:+-C "$wt_prefix"} submodule--helper init ${GIT_QUIET:+--quiet} ${prefix:+--prefix "$prefix"} "$@"
409}
410#
412# Unregister submodules from .git/config and remove their work tree
413#
414# $@ = requested paths (use '.' to deinit all submodules)
415#
416cmd_deinit()
417{
418 # parse $args after "submodule ... deinit".
419 deinit_all=
420 while test $# -ne 0
421 do
422 case "$1" in
423 -f|--force)
424 force=$1
425 ;;
426 -q|--quiet)
427 GIT_QUIET=1
428 ;;
429 --all)
430 deinit_all=t
431 ;;
432 --)
433 shift
434 break
435 ;;
436 -*)
437 usage
438 ;;
439 *)
440 break
441 ;;
442 esac
443 shift
444 done
445 if test -n "$deinit_all" && test "$#" -ne 0
447 then
448 echo >&2 "$(eval_gettext "pathspec and --all are incompatible")"
449 usage
450 fi
451 if test $# = 0 && test -z "$deinit_all"
452 then
453 die "$(eval_gettext "Use '--all' if you really want to deinitialize all submodules")"
454 fi
455 git submodule--helper list --prefix "$wt_prefix" "$@" |
457 while read mode sha1 stage sm_path
458 do
459 die_if_unmatched "$mode"
460 name=$(git submodule--helper name "$sm_path") || exit
461 displaypath=$(relative_path "$sm_path")
463 # Remove the submodule work tree (unless the user already did it)
465 if test -d "$sm_path"
466 then
467 # Protect submodules containing a .git directory
468 if test -d "$sm_path/.git"
469 then
470 die "$(eval_gettext "\
471Submodule work tree '\$displaypath' contains a .git directory
472(use 'rm -rf' if you really want to remove it including all of its history)")"
473 fi
474 if test -z "$force"
476 then
477 git rm -qn "$sm_path" ||
478 die "$(eval_gettext "Submodule work tree '\$displaypath' contains local modifications; use '-f' to discard them")"
479 fi
480 rm -rf "$sm_path" &&
481 say "$(eval_gettext "Cleared directory '\$displaypath'")" ||
482 say "$(eval_gettext "Could not remove submodule work tree '\$displaypath'")"
483 fi
484 mkdir "$sm_path" || say "$(eval_gettext "Could not create empty submodule directory '\$displaypath'")"
486 # Remove the .git/config entries (unless the user already did it)
488 if test -n "$(git config --get-regexp submodule."$name\.")"
489 then
490 # Remove the whole section so we have a clean state when
491 # the user later decides to init this submodule again
492 url=$(git config submodule."$name".url)
493 git config --remove-section submodule."$name" 2>/dev/null &&
494 say "$(eval_gettext "Submodule '\$name' (\$url) unregistered for path '\$displaypath'")"
495 fi
496 done
497}
498is_tip_reachable () (
500 sanitize_submodule_env &&
501 cd "$1" &&
502 rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) &&
503 test -z "$rev"
504)
505fetch_in_submodule () (
507 sanitize_submodule_env &&
508 cd "$1" &&
509 case "$2" in
510 '')
511 git fetch ;;
512 *)
513 git fetch $(get_default_remote) "$2" ;;
514 esac
515)
516#
518# Update each submodule path to correct revision, using clone and checkout as needed
519#
520# $@ = requested paths (default to all)
521#
522cmd_update()
523{
524 # parse $args after "submodule ... update".
525 while test $# -ne 0
526 do
527 case "$1" in
528 -q|--quiet)
529 GIT_QUIET=1
530 ;;
531 -i|--init)
532 init=1
533 ;;
534 --remote)
535 remote=1
536 ;;
537 -N|--no-fetch)
538 nofetch=1
539 ;;
540 -f|--force)
541 force=$1
542 ;;
543 -r|--rebase)
544 update="rebase"
545 ;;
546 --reference)
547 case "$2" in '') usage ;; esac
548 reference="--reference=$2"
549 shift
550 ;;
551 --reference=*)
552 reference="$1"
553 ;;
554 -m|--merge)
555 update="merge"
556 ;;
557 --recursive)
558 recursive=1
559 ;;
560 --checkout)
561 update="checkout"
562 ;;
563 --depth)
564 case "$2" in '') usage ;; esac
565 depth="--depth=$2"
566 shift
567 ;;
568 --depth=*)
569 depth=$1
570 ;;
571 -j|--jobs)
572 case "$2" in '') usage ;; esac
573 jobs="--jobs=$2"
574 shift
575 ;;
576 --jobs=*)
577 jobs=$1
578 ;;
579 --)
580 shift
581 break
582 ;;
583 -*)
584 usage
585 ;;
586 *)
587 break
588 ;;
589 esac
590 shift
591 done
592 if test -n "$init"
594 then
595 cmd_init "--" "$@" || return
596 fi
597 {
599 git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
600 ${wt_prefix:+--prefix "$wt_prefix"} \
601 ${prefix:+--recursive-prefix "$prefix"} \
602 ${update:+--update "$update"} \
603 ${reference:+--reference "$reference"} \
604 ${depth:+--depth "$depth"} \
605 ${jobs:+$jobs} \
606 "$@" || echo "#unmatched"
607 } | {
608 err=
609 while read mode sha1 stage just_cloned sm_path
610 do
611 die_if_unmatched "$mode"
612 name=$(git submodule--helper name "$sm_path") || exit
614 url=$(git config submodule."$name".url)
615 branch=$(get_submodule_config "$name" branch master)
616 if ! test -z "$update"
617 then
618 update_module=$update
619 else
620 update_module=$(git config submodule."$name".update)
621 if test -z "$update_module"
622 then
623 update_module="checkout"
624 fi
625 fi
626 displaypath=$(relative_path "$prefix$sm_path")
628 if test $just_cloned -eq 1
630 then
631 subsha1=
632 update_module=checkout
633 else
634 subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
635 git rev-parse --verify HEAD) ||
636 die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
637 fi
638 if test -n "$remote"
640 then
641 if test -z "$nofetch"
642 then
643 # Fetch remote before determining tracking $sha1
644 (sanitize_submodule_env; cd "$sm_path" && git-fetch) ||
645 die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
646 fi
647 remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote)
648 sha1=$(sanitize_submodule_env; cd "$sm_path" &&
649 git rev-parse --verify "${remote_name}/${branch}") ||
650 die "$(eval_gettext "Unable to find current ${remote_name}/${branch} revision in submodule path '\$sm_path'")"
651 fi
652 if test "$subsha1" != "$sha1" || test -n "$force"
654 then
655 subforce=$force
656 # If we don't already have a -f flag and the submodule has never been checked out
657 if test -z "$subsha1" && test -z "$force"
658 then
659 subforce="-f"
660 fi
661 if test -z "$nofetch"
663 then
664 # Run fetch only if $sha1 isn't present or it
665 # is not reachable from a ref.
666 is_tip_reachable "$sm_path" "$sha1" ||
667 fetch_in_submodule "$sm_path" ||
668 die "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
669 # Now we tried the usual fetch, but $sha1 may
671 # not be reachable from any of the refs
672 is_tip_reachable "$sm_path" "$sha1" ||
673 fetch_in_submodule "$sm_path" "$sha1" ||
674 die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain $sha1. Direct fetching of that commit failed.")"
675 fi
676 must_die_on_failure=
678 case "$update_module" in
679 checkout)
680 command="git checkout $subforce -q"
681 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
682 say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
683 ;;
684 rebase)
685 command="git rebase"
686 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
687 say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
688 must_die_on_failure=yes
689 ;;
690 merge)
691 command="git merge"
692 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
693 say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
694 must_die_on_failure=yes
695 ;;
696 !*)
697 command="${update_module#!}"
698 die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
699 say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
700 must_die_on_failure=yes
701 ;;
702 *)
703 die "$(eval_gettext "Invalid update mode '$update_module' for submodule '$name'")"
704 esac
705 if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
707 then
708 say "$say_msg"
709 elif test -n "$must_die_on_failure"
710 then
711 die_with_status 2 "$die_msg"
712 else
713 err="${err};$die_msg"
714 continue
715 fi
716 fi
717 if test -n "$recursive"
719 then
720 (
721 prefix=$(relative_path "$prefix$sm_path/")
722 wt_prefix=
723 sanitize_submodule_env
724 cd "$sm_path" &&
725 eval cmd_update
726 )
727 res=$?
728 if test $res -gt 0
729 then
730 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")"
731 if test $res -eq 1
732 then
733 err="${err};$die_msg"
734 continue
735 else
736 die_with_status $res "$die_msg"
737 fi
738 fi
739 fi
740 done
741 if test -n "$err"
743 then
744 OIFS=$IFS
745 IFS=';'
746 for e in $err
747 do
748 if test -n "$e"
749 then
750 echo >&2 "$e"
751 fi
752 done
753 IFS=$OIFS
754 exit 1
755 fi
756 }
757}
758set_name_rev () {
760 revname=$( (
761 sanitize_submodule_env
762 cd "$1" && {
763 git describe "$2" 2>/dev/null ||
764 git describe --tags "$2" 2>/dev/null ||
765 git describe --contains "$2" 2>/dev/null ||
766 git describe --all --always "$2"
767 }
768 ) )
769 test -z "$revname" || revname=" ($revname)"
770}
771#
772# Show commit summary for submodules in index or working tree
773#
774# If '--cached' is given, show summary between index and given commit,
775# or between working tree and given commit
776#
777# $@ = [commit (default 'HEAD'),] requested paths (default all)
778#
779cmd_summary() {
780 summary_limit=-1
781 for_status=
782 diff_cmd=diff-index
783 # parse $args after "submodule ... summary".
785 while test $# -ne 0
786 do
787 case "$1" in
788 --cached)
789 cached="$1"
790 ;;
791 --files)
792 files="$1"
793 ;;
794 --for-status)
795 for_status="$1"
796 ;;
797 -n|--summary-limit)
798 summary_limit="$2"
799 isnumber "$summary_limit" || usage
800 shift
801 ;;
802 --summary-limit=*)
803 summary_limit="${1#--summary-limit=}"
804 isnumber "$summary_limit" || usage
805 ;;
806 --)
807 shift
808 break
809 ;;
810 -*)
811 usage
812 ;;
813 *)
814 break
815 ;;
816 esac
817 shift
818 done
819 test $summary_limit = 0 && return
821 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
823 then
824 head=$rev
825 test $# = 0 || shift
826 elif test -z "$1" || test "$1" = "HEAD"
827 then
828 # before the first commit: compare with an empty tree
829 head=$(git hash-object -w -t tree --stdin </dev/null)
830 test -z "$1" || shift
831 else
832 head="HEAD"
833 fi
834 if [ -n "$files" ]
836 then
837 test -n "$cached" &&
838 die "$(gettext "The --cached option cannot be used with the --files option")"
839 diff_cmd=diff-files
840 head=
841 fi
842 cd_to_toplevel
844 eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
845 # Get modified modules cared by user
846 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
847 sane_egrep '^:([0-7]* )?160000' |
848 while read mod_src mod_dst sha1_src sha1_dst status sm_path
849 do
850 # Always show modules deleted or type-changed (blob<->module)
851 if test "$status" = D || test "$status" = T
852 then
853 printf '%s\n' "$sm_path"
854 continue
855 fi
856 # Respect the ignore setting for --for-status.
857 if test -n "$for_status"
858 then
859 name=$(git submodule--helper name "$sm_path")
860 ignore_config=$(get_submodule_config "$name" ignore none)
861 test $status != A && test $ignore_config = all && continue
862 fi
863 # Also show added or modified modules which are checked out
864 GIT_DIR="$sm_path/.git" git-rev-parse --git-dir >/dev/null 2>&1 &&
865 printf '%s\n' "$sm_path"
866 done
867 )
868 test -z "$modules" && return
870 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
872 sane_egrep '^:([0-7]* )?160000' |
873 cut -c2- |
874 while read mod_src mod_dst sha1_src sha1_dst status name
875 do
876 if test -z "$cached" &&
877 test $sha1_dst = 0000000000000000000000000000000000000000
878 then
879 case "$mod_dst" in
880 160000)
881 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
882 ;;
883 100644 | 100755 | 120000)
884 sha1_dst=$(git hash-object $name)
885 ;;
886 000000)
887 ;; # removed
888 *)
889 # unexpected type
890 eval_gettextln "unexpected mode \$mod_dst" >&2
891 continue ;;
892 esac
893 fi
894 missing_src=
895 missing_dst=
896 test $mod_src = 160000 &&
898 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_src^0 >/dev/null &&
899 missing_src=t
900 test $mod_dst = 160000 &&
902 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_dst^0 >/dev/null &&
903 missing_dst=t
904 display_name=$(relative_path "$name")
906 total_commits=
908 case "$missing_src,$missing_dst" in
909 t,)
910 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")"
911 ;;
912 ,t)
913 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")"
914 ;;
915 t,t)
916 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")"
917 ;;
918 *)
919 errmsg=
920 total_commits=$(
921 if test $mod_src = 160000 && test $mod_dst = 160000
922 then
923 range="$sha1_src...$sha1_dst"
924 elif test $mod_src = 160000
925 then
926 range=$sha1_src
927 else
928 range=$sha1_dst
929 fi
930 GIT_DIR="$name/.git" \
931 git rev-list --first-parent $range -- | wc -l
932 )
933 total_commits=" ($(($total_commits + 0)))"
934 ;;
935 esac
936 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
938 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
939 if test $status = T
940 then
941 blob="$(gettext "blob")"
942 submodule="$(gettext "submodule")"
943 if test $mod_dst = 160000
944 then
945 echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
946 else
947 echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
948 fi
949 else
950 echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
951 fi
952 if test -n "$errmsg"
953 then
954 # Don't give error msg for modification whose dst is not submodule
955 # i.e. deleted or changed to blob
956 test $mod_dst = 160000 && echo "$errmsg"
957 else
958 if test $mod_src = 160000 && test $mod_dst = 160000
959 then
960 limit=
961 test $summary_limit -gt 0 && limit="-$summary_limit"
962 GIT_DIR="$name/.git" \
963 git log $limit --pretty='format: %m %s' \
964 --first-parent $sha1_src...$sha1_dst
965 elif test $mod_dst = 160000
966 then
967 GIT_DIR="$name/.git" \
968 git log --pretty='format: > %s' -1 $sha1_dst
969 else
970 GIT_DIR="$name/.git" \
971 git log --pretty='format: < %s' -1 $sha1_src
972 fi
973 echo
974 fi
975 echo
976 done
977}
978#
979# List all submodules, prefixed with:
980# - submodule not initialized
981# + different revision checked out
982#
983# If --cached was specified the revision in the index will be printed
984# instead of the currently checked out revision.
985#
986# $@ = requested paths (default to all)
987#
988cmd_status()
989{
990 # parse $args after "submodule ... status".
991 while test $# -ne 0
992 do
993 case "$1" in
994 -q|--quiet)
995 GIT_QUIET=1
996 ;;
997 --cached)
998 cached=1
999 ;;
1000 --recursive)
1001 recursive=1
1002 ;;
1003 --)
1004 shift
1005 break
1006 ;;
1007 -*)
1008 usage
1009 ;;
1010 *)
1011 break
1012 ;;
1013 esac
1014 shift
1015 done
1016 git submodule--helper list --prefix "$wt_prefix" "$@" |
1018 while read mode sha1 stage sm_path
1019 do
1020 die_if_unmatched "$mode"
1021 name=$(git submodule--helper name "$sm_path") || exit
1022 url=$(git config submodule."$name".url)
1023 displaypath=$(relative_path "$prefix$sm_path")
1024 if test "$stage" = U
1025 then
1026 say "U$sha1 $displaypath"
1027 continue
1028 fi
1029 if test -z "$url" ||
1030 {
1031 ! test -d "$sm_path"/.git &&
1032 ! test -f "$sm_path"/.git
1033 }
1034 then
1035 say "-$sha1 $displaypath"
1036 continue;
1037 fi
1038 if git diff-files --ignore-submodules=dirty --quiet -- "$sm_path"
1039 then
1040 set_name_rev "$sm_path" "$sha1"
1041 say " $sha1 $displaypath$revname"
1042 else
1043 if test -z "$cached"
1044 then
1045 sha1=$(sanitize_submodule_env; cd "$sm_path" && git rev-parse --verify HEAD)
1046 fi
1047 set_name_rev "$sm_path" "$sha1"
1048 say "+$sha1 $displaypath$revname"
1049 fi
1050 if test -n "$recursive"
1052 then
1053 (
1054 prefix="$displaypath/"
1055 sanitize_submodule_env
1056 wt_prefix=
1057 cd "$sm_path" &&
1058 eval cmd_status
1059 ) ||
1060 die "$(eval_gettext "Failed to recurse into submodule path '\$sm_path'")"
1061 fi
1062 done
1063}
1064#
1065# Sync remote urls for submodules
1066# This makes the value for remote.$remote.url match the value
1067# specified in .gitmodules.
1068#
1069cmd_sync()
1070{
1071 while test $# -ne 0
1072 do
1073 case "$1" in
1074 -q|--quiet)
1075 GIT_QUIET=1
1076 shift
1077 ;;
1078 --recursive)
1079 recursive=1
1080 shift
1081 ;;
1082 --)
1083 shift
1084 break
1085 ;;
1086 -*)
1087 usage
1088 ;;
1089 *)
1090 break
1091 ;;
1092 esac
1093 done
1094 cd_to_toplevel
1095 git submodule--helper list --prefix "$wt_prefix" "$@" |
1096 while read mode sha1 stage sm_path
1097 do
1098 die_if_unmatched "$mode"
1099 name=$(git submodule--helper name "$sm_path")
1100 url=$(git config -f .gitmodules --get submodule."$name".url)
1101 # Possibly a url relative to parent
1103 case "$url" in
1104 ./*|../*)
1105 # rewrite foo/bar as ../.. to find path from
1106 # submodule work tree to superproject work tree
1107 up_path="$(printf '%s\n' "$sm_path" | sed "s/[^/][^/]*/../g")" &&
1108 # guarantee a trailing /
1109 up_path=${up_path%/}/ &&
1110 # path from submodule work tree to submodule origin repo
1111 sub_origin_url=$(git submodule--helper resolve-relative-url "$url" "$up_path") &&
1112 # path from superproject work tree to submodule origin repo
1113 super_config_url=$(git submodule--helper resolve-relative-url "$url") || exit
1114 ;;
1115 *)
1116 sub_origin_url="$url"
1117 super_config_url="$url"
1118 ;;
1119 esac
1120 if git config "submodule.$name.url" >/dev/null 2>/dev/null
1122 then
1123 displaypath=$(relative_path "$prefix$sm_path")
1124 say "$(eval_gettext "Synchronizing submodule url for '\$displaypath'")"
1125 git config submodule."$name".url "$super_config_url"
1126 if test -e "$sm_path"/.git
1128 then
1129 (
1130 sanitize_submodule_env
1131 cd "$sm_path"
1132 remote=$(get_default_remote)
1133 git config remote."$remote".url "$sub_origin_url"
1134 if test -n "$recursive"
1136 then
1137 prefix="$prefix$sm_path/"
1138 eval cmd_sync
1139 fi
1140 )
1141 fi
1142 fi
1143 done
1144}
1145# This loop parses the command line arguments to find the
1147# subcommand name to dispatch. Parsing of the subcommand specific
1148# options are primarily done by the subcommand implementations.
1149# Subcommand specific options such as --branch and --cached are
1150# parsed here as well, for backward compatibility.
1151while test $# != 0 && test -z "$command"
1153do
1154 case "$1" in
1155 add | foreach | init | deinit | update | status | summary | sync)
1156 command=$1
1157 ;;
1158 -q|--quiet)
1159 GIT_QUIET=1
1160 ;;
1161 -b|--branch)
1162 case "$2" in
1163 '')
1164 usage
1165 ;;
1166 esac
1167 branch="$2"; shift
1168 ;;
1169 --cached)
1170 cached="$1"
1171 ;;
1172 --)
1173 break
1174 ;;
1175 -*)
1176 usage
1177 ;;
1178 *)
1179 break
1180 ;;
1181 esac
1182 shift
1183done
1184# No command word defaults to "status"
1186if test -z "$command"
1187then
1188 if test $# = 0
1189 then
1190 command=status
1191 else
1192 usage
1193 fi
1194fi
1195# "-b branch" is accepted only by "add"
1197if test -n "$branch" && test "$command" != add
1198then
1199 usage
1200fi
1201# "--cached" is accepted only by "status" and "summary"
1203if test -n "$cached" && test "$command" != status && test "$command" != summary
1204then
1205 usage
1206fi
1207"cmd_$command" "$@"