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] [--[no-]recommend-shallow] [--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>...]
16 or: $dashless [--quiet] absorbgitdirs [--] [<path>...]"
17OPTIONS_SPEC=
18SUBDIRECTORY_OK=Yes
19. git-sh-setup
20. git-parse-remote
21require_work_tree
22wt_prefix=$(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=
44progress=
45die_if_unmatched ()
47{
48 if test "$1" = "#unmatched"
49 then
50 exit ${2:-1}
51 fi
52}
53#
55# Print a submodule configuration setting
56#
57# $1 = submodule name
58# $2 = option name
59# $3 = default value
60#
61# Checks in the usual git-config places first (for overrides),
62# otherwise it falls back on .gitmodules. This allows you to
63# distribute project-wide defaults in .gitmodules, while still
64# customizing individual repositories if necessary. If the option is
65# not in .gitmodules either, print a default value.
66#
67get_submodule_config () {
68 name="$1"
69 option="$2"
70 default="$3"
71 value=$(git config submodule."$name"."$option")
72 if test -z "$value"
73 then
74 value=$(git config -f .gitmodules submodule."$name"."$option")
75 fi
76 printf '%s' "${value:-$default}"
77}
78isnumber()
80{
81 n=$(($1 + 0)) 2>/dev/null && test "$n" = "$1"
82}
83# Sanitize the local git environment for use within a submodule. We
85# can't simply use clear_local_git_env since we want to preserve some
86# of the settings from GIT_CONFIG_PARAMETERS.
87sanitize_submodule_env()
88{
89 save_config=$GIT_CONFIG_PARAMETERS
90 clear_local_git_env
91 GIT_CONFIG_PARAMETERS=$save_config
92 export GIT_CONFIG_PARAMETERS
93}
94#
96# Add a new submodule to the working tree, .gitmodules and the index
97#
98# $@ = repo path
99#
100# optional branch is stored in global branch variable
101#
102cmd_add()
103{
104 # parse $args after "submodule ... add".
105 reference_path=
106 while test $# -ne 0
107 do
108 case "$1" in
109 -b | --branch)
110 case "$2" in '') usage ;; esac
111 branch=$2
112 shift
113 ;;
114 -f | --force)
115 force=$1
116 ;;
117 -q|--quiet)
118 GIT_QUIET=1
119 ;;
120 --reference)
121 case "$2" in '') usage ;; esac
122 reference_path=$2
123 shift
124 ;;
125 --reference=*)
126 reference_path="${1#--reference=}"
127 ;;
128 --name)
129 case "$2" in '') usage ;; esac
130 custom_name=$2
131 shift
132 ;;
133 --depth)
134 case "$2" in '') usage ;; esac
135 depth="--depth=$2"
136 shift
137 ;;
138 --depth=*)
139 depth=$1
140 ;;
141 --)
142 shift
143 break
144 ;;
145 -*)
146 usage
147 ;;
148 *)
149 break
150 ;;
151 esac
152 shift
153 done
154 if test -n "$reference_path"
156 then
157 is_absolute_path "$reference_path" ||
158 reference_path="$wt_prefix$reference_path"
159 reference="--reference=$reference_path"
161 fi
162 repo=$1
164 sm_path=$2
165 if test -z "$sm_path"; then
167 sm_path=$(printf '%s\n' "$repo" |
168 sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
169 fi
170 if test -z "$repo" || test -z "$sm_path"; then
172 usage
173 fi
174 is_absolute_path "$sm_path" || sm_path="$wt_prefix$sm_path"
176 # assure repo is absolute or relative to parent
178 case "$repo" in
179 ./*|../*)
180 test -z "$wt_prefix" ||
181 die "$(gettext "Relative path can only be used from the toplevel of the working tree")"
182 # dereference source url relative to parent's url
184 realrepo=$(git submodule--helper resolve-relative-url "$repo") || exit
185 ;;
186 *:*|/*)
187 # absolute url
188 realrepo=$repo
189 ;;
190 *)
191 die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")"
192 ;;
193 esac
194 # normalize path:
196 # multiple //; leading ./; /./; /../; trailing /
197 sm_path=$(printf '%s/\n' "$sm_path" |
198 sed -e '
199 s|//*|/|g
200 s|^\(\./\)*||
201 s|/\(\./\)*|/|g
202 :start
203 s|\([^/]*\)/\.\./||
204 tstart
205 s|/*$||
206 ')
207 if test -z "$force"
208 then
209 git ls-files --error-unmatch "$sm_path" > /dev/null 2>&1 &&
210 die "$(eval_gettext "'\$sm_path' already exists in the index")"
211 else
212 git ls-files -s "$sm_path" | sane_grep -v "^160000" > /dev/null 2>&1 &&
213 die "$(eval_gettext "'\$sm_path' already exists in the index and is not a submodule")"
214 fi
215 if test -z "$force" && ! git add --dry-run --ignore-missing "$sm_path" > /dev/null 2>&1
217 then
218 eval_gettextln "The following path is ignored by one of your .gitignore files:
219\$sm_path
220Use -f if you really want to add it." >&2
221 exit 1
222 fi
223 if test -n "$custom_name"
225 then
226 sm_name="$custom_name"
227 else
228 sm_name="$sm_path"
229 fi
230 # perhaps the path exists and is already a git repo, else clone it
232 if test -e "$sm_path"
233 then
234 if test -d "$sm_path"/.git || test -f "$sm_path"/.git
235 then
236 eval_gettextln "Adding existing repo at '\$sm_path' to the index"
237 else
238 die "$(eval_gettext "'\$sm_path' already exists and is not a valid git repo")"
239 fi
240 else
242 if test -d ".git/modules/$sm_name"
243 then
244 if test -z "$force"
245 then
246 eval_gettextln >&2 "A git directory for '\$sm_name' is found locally with remote(s):"
247 GIT_DIR=".git/modules/$sm_name" GIT_WORK_TREE=. git remote -v | grep '(fetch)' | sed -e s,^," ", -e s,' (fetch)',, >&2
248 die "$(eval_gettextln "\
249If you want to reuse this local git directory instead of cloning again from
250 \$realrepo
251use the '--force' option. If the local git directory is not the correct repo
252or you are unsure what this means choose another name with the '--name' option.")"
253 else
254 eval_gettextln "Reactivating local git directory for submodule '\$sm_name'."
255 fi
256 fi
257 git submodule--helper clone ${GIT_QUIET:+--quiet} --prefix "$wt_prefix" --path "$sm_path" --name "$sm_name" --url "$realrepo" ${reference:+"$reference"} ${depth:+"$depth"} || exit
258 (
259 sanitize_submodule_env
260 cd "$sm_path" &&
261 # ash fails to wordsplit ${branch:+-b "$branch"...}
262 case "$branch" in
263 '') git checkout -f -q ;;
264 ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
265 esac
266 ) || die "$(eval_gettext "Unable to checkout submodule '\$sm_path'")"
267 fi
268 git config submodule."$sm_name".url "$realrepo"
269 git add $force "$sm_path" ||
271 die "$(eval_gettext "Failed to add submodule '\$sm_path'")"
272 git config -f .gitmodules submodule."$sm_name".path "$sm_path" &&
274 git config -f .gitmodules submodule."$sm_name".url "$repo" &&
275 if test -n "$branch"
276 then
277 git config -f .gitmodules submodule."$sm_name".branch "$branch"
278 fi &&
279 git add --force .gitmodules ||
280 die "$(eval_gettext "Failed to register submodule '\$sm_path'")"
281}
282#
284# Execute an arbitrary command sequence in each checked out
285# submodule
286#
287# $@ = command to execute
288#
289cmd_foreach()
290{
291 # parse $args after "submodule ... foreach".
292 while test $# -ne 0
293 do
294 case "$1" in
295 -q|--quiet)
296 GIT_QUIET=1
297 ;;
298 --recursive)
299 recursive=1
300 ;;
301 -*)
302 usage
303 ;;
304 *)
305 break
306 ;;
307 esac
308 shift
309 done
310 toplevel=$(pwd)
312 # dup stdin so that it can be restored when running the external
314 # command in the subshell (and a recursive call to this function)
315 exec 3<&0
316 {
318 git submodule--helper list --prefix "$wt_prefix" ||
319 echo "#unmatched" $?
320 } |
321 while read mode sha1 stage sm_path
322 do
323 die_if_unmatched "$mode" "$sha1"
324 if test -e "$sm_path"/.git
325 then
326 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
327 say "$(eval_gettext "Entering '\$displaypath'")"
328 name=$(git submodule--helper name "$sm_path")
329 (
330 prefix="$prefix$sm_path/"
331 sanitize_submodule_env
332 cd "$sm_path" &&
333 sm_path=$(git submodule--helper relative-path "$sm_path" "$wt_prefix") &&
334 # we make $path available to scripts ...
335 path=$sm_path &&
336 if test $# -eq 1
337 then
338 eval "$1"
339 else
340 "$@"
341 fi &&
342 if test -n "$recursive"
343 then
344 cmd_foreach "--recursive" "$@"
345 fi
346 ) <&3 3<&- ||
347 die "$(eval_gettext "Stopping at '\$displaypath'; script returned non-zero status.")"
348 fi
349 done
350}
351#
353# Register submodules in .git/config
354#
355# $@ = requested paths (default to all)
356#
357cmd_init()
358{
359 # parse $args after "submodule ... init".
360 while test $# -ne 0
361 do
362 case "$1" in
363 -q|--quiet)
364 GIT_QUIET=1
365 ;;
366 --)
367 shift
368 break
369 ;;
370 -*)
371 usage
372 ;;
373 *)
374 break
375 ;;
376 esac
377 shift
378 done
379 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper init ${GIT_QUIET:+--quiet} "$@"
381}
382#
384# Unregister submodules from .git/config and remove their work tree
385#
386cmd_deinit()
387{
388 # parse $args after "submodule ... deinit".
389 deinit_all=
390 while test $# -ne 0
391 do
392 case "$1" in
393 -f|--force)
394 force=$1
395 ;;
396 -q|--quiet)
397 GIT_QUIET=1
398 ;;
399 --all)
400 deinit_all=t
401 ;;
402 --)
403 shift
404 break
405 ;;
406 -*)
407 usage
408 ;;
409 *)
410 break
411 ;;
412 esac
413 shift
414 done
415 if test -n "$deinit_all" && test "$#" -ne 0
417 then
418 echo >&2 "$(eval_gettext "pathspec and --all are incompatible")"
419 usage
420 fi
421 if test $# = 0 && test -z "$deinit_all"
422 then
423 die "$(eval_gettext "Use '--all' if you really want to deinitialize all submodules")"
424 fi
425 {
427 git submodule--helper list --prefix "$wt_prefix" "$@" ||
428 echo "#unmatched" $?
429 } |
430 while read mode sha1 stage sm_path
431 do
432 die_if_unmatched "$mode" "$sha1"
433 name=$(git submodule--helper name "$sm_path") || exit
434 displaypath=$(git submodule--helper relative-path "$sm_path" "$wt_prefix")
436 # Remove the submodule work tree (unless the user already did it)
438 if test -d "$sm_path"
439 then
440 # Protect submodules containing a .git directory
441 if test -d "$sm_path/.git"
442 then
443 die "$(eval_gettext "\
444Submodule work tree '\$displaypath' contains a .git directory
445(use 'rm -rf' if you really want to remove it including all of its history)")"
446 fi
447 if test -z "$force"
449 then
450 git rm -qn "$sm_path" ||
451 die "$(eval_gettext "Submodule work tree '\$displaypath' contains local modifications; use '-f' to discard them")"
452 fi
453 rm -rf "$sm_path" &&
454 say "$(eval_gettext "Cleared directory '\$displaypath'")" ||
455 say "$(eval_gettext "Could not remove submodule work tree '\$displaypath'")"
456 fi
457 mkdir "$sm_path" || say "$(eval_gettext "Could not create empty submodule directory '\$displaypath'")"
459 # Remove the .git/config entries (unless the user already did it)
461 if test -n "$(git config --get-regexp submodule."$name\.")"
462 then
463 # Remove the whole section so we have a clean state when
464 # the user later decides to init this submodule again
465 url=$(git config submodule."$name".url)
466 git config --remove-section submodule."$name" 2>/dev/null &&
467 say "$(eval_gettext "Submodule '\$name' (\$url) unregistered for path '\$displaypath'")"
468 fi
469 done
470}
471is_tip_reachable () (
473 sanitize_submodule_env &&
474 cd "$1" &&
475 rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) &&
476 test -z "$rev"
477)
478fetch_in_submodule () (
480 sanitize_submodule_env &&
481 cd "$1" &&
482 case "$2" in
483 '')
484 git fetch ;;
485 *)
486 shift
487 git fetch $(get_default_remote) "$@" ;;
488 esac
489)
490#
492# Update each submodule path to correct revision, using clone and checkout as needed
493#
494# $@ = requested paths (default to all)
495#
496cmd_update()
497{
498 # parse $args after "submodule ... update".
499 while test $# -ne 0
500 do
501 case "$1" in
502 -q|--quiet)
503 GIT_QUIET=1
504 ;;
505 --progress)
506 progress="--progress"
507 ;;
508 -i|--init)
509 init=1
510 ;;
511 --remote)
512 remote=1
513 ;;
514 -N|--no-fetch)
515 nofetch=1
516 ;;
517 -f|--force)
518 force=$1
519 ;;
520 -r|--rebase)
521 update="rebase"
522 ;;
523 --reference)
524 case "$2" in '') usage ;; esac
525 reference="--reference=$2"
526 shift
527 ;;
528 --reference=*)
529 reference="$1"
530 ;;
531 -m|--merge)
532 update="merge"
533 ;;
534 --recursive)
535 recursive=1
536 ;;
537 --checkout)
538 update="checkout"
539 ;;
540 --recommend-shallow)
541 recommend_shallow="--recommend-shallow"
542 ;;
543 --no-recommend-shallow)
544 recommend_shallow="--no-recommend-shallow"
545 ;;
546 --depth)
547 case "$2" in '') usage ;; esac
548 depth="--depth=$2"
549 shift
550 ;;
551 --depth=*)
552 depth=$1
553 ;;
554 -j|--jobs)
555 case "$2" in '') usage ;; esac
556 jobs="--jobs=$2"
557 shift
558 ;;
559 --jobs=*)
560 jobs=$1
561 ;;
562 --)
563 shift
564 break
565 ;;
566 -*)
567 usage
568 ;;
569 *)
570 break
571 ;;
572 esac
573 shift
574 done
575 if test -n "$init"
577 then
578 cmd_init "--" "$@" || return
579 fi
580 {
582 git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
583 ${progress:+"$progress"} \
584 ${wt_prefix:+--prefix "$wt_prefix"} \
585 ${prefix:+--recursive-prefix "$prefix"} \
586 ${update:+--update "$update"} \
587 ${reference:+"$reference"} \
588 ${depth:+--depth "$depth"} \
589 ${recommend_shallow:+"$recommend_shallow"} \
590 ${jobs:+$jobs} \
591 "$@" || echo "#unmatched" $?
592 } | {
593 err=
594 while read mode sha1 stage just_cloned sm_path
595 do
596 die_if_unmatched "$mode" "$sha1"
597 name=$(git submodule--helper name "$sm_path") || exit
599 url=$(git config submodule."$name".url)
600 if ! test -z "$update"
601 then
602 update_module=$update
603 else
604 update_module=$(git config submodule."$name".update)
605 if test -z "$update_module"
606 then
607 update_module="checkout"
608 fi
609 fi
610 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
612 if test $just_cloned -eq 1
614 then
615 subsha1=
616 case "$update_module" in
617 merge | rebase | none)
618 update_module=checkout ;;
619 esac
620 else
621 subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
622 git rev-parse --verify HEAD) ||
623 die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
624 fi
625 if test -n "$remote"
627 then
628 branch=$(git submodule--helper remote-branch "$sm_path")
629 if test -z "$nofetch"
630 then
631 # Fetch remote before determining tracking $sha1
632 fetch_in_submodule "$sm_path" $depth ||
633 die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
634 fi
635 remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote)
636 sha1=$(sanitize_submodule_env; cd "$sm_path" &&
637 git rev-parse --verify "${remote_name}/${branch}") ||
638 die "$(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")"
639 fi
640 if test "$subsha1" != "$sha1" || test -n "$force"
642 then
643 subforce=$force
644 # If we don't already have a -f flag and the submodule has never been checked out
645 if test -z "$subsha1" && test -z "$force"
646 then
647 subforce="-f"
648 fi
649 if test -z "$nofetch"
651 then
652 # Run fetch only if $sha1 isn't present or it
653 # is not reachable from a ref.
654 is_tip_reachable "$sm_path" "$sha1" ||
655 fetch_in_submodule "$sm_path" $depth ||
656 die "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
657 # Now we tried the usual fetch, but $sha1 may
659 # not be reachable from any of the refs
660 is_tip_reachable "$sm_path" "$sha1" ||
661 fetch_in_submodule "$sm_path" $depth "$sha1" ||
662 die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
663 fi
664 must_die_on_failure=
666 case "$update_module" in
667 checkout)
668 command="git checkout $subforce -q"
669 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
670 say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
671 ;;
672 rebase)
673 command="git rebase"
674 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
675 say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
676 must_die_on_failure=yes
677 ;;
678 merge)
679 command="git merge"
680 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
681 say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
682 must_die_on_failure=yes
683 ;;
684 !*)
685 command="${update_module#!}"
686 die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
687 say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
688 must_die_on_failure=yes
689 ;;
690 *)
691 die "$(eval_gettext "Invalid update mode '$update_module' for submodule '$name'")"
692 esac
693 if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
695 then
696 say "$say_msg"
697 elif test -n "$must_die_on_failure"
698 then
699 die_with_status 2 "$die_msg"
700 else
701 err="${err};$die_msg"
702 continue
703 fi
704 fi
705 if test -n "$recursive"
707 then
708 (
709 prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix")
710 wt_prefix=
711 sanitize_submodule_env
712 cd "$sm_path" &&
713 eval cmd_update
714 )
715 res=$?
716 if test $res -gt 0
717 then
718 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")"
719 if test $res -ne 2
720 then
721 err="${err};$die_msg"
722 continue
723 else
724 die_with_status $res "$die_msg"
725 fi
726 fi
727 fi
728 done
729 if test -n "$err"
731 then
732 OIFS=$IFS
733 IFS=';'
734 for e in $err
735 do
736 if test -n "$e"
737 then
738 echo >&2 "$e"
739 fi
740 done
741 IFS=$OIFS
742 exit 1
743 fi
744 }
745}
746set_name_rev () {
748 revname=$( (
749 sanitize_submodule_env
750 cd "$1" && {
751 git describe "$2" 2>/dev/null ||
752 git describe --tags "$2" 2>/dev/null ||
753 git describe --contains "$2" 2>/dev/null ||
754 git describe --all --always "$2"
755 }
756 ) )
757 test -z "$revname" || revname=" ($revname)"
758}
759#
760# Show commit summary for submodules in index or working tree
761#
762# If '--cached' is given, show summary between index and given commit,
763# or between working tree and given commit
764#
765# $@ = [commit (default 'HEAD'),] requested paths (default all)
766#
767cmd_summary() {
768 summary_limit=-1
769 for_status=
770 diff_cmd=diff-index
771 # parse $args after "submodule ... summary".
773 while test $# -ne 0
774 do
775 case "$1" in
776 --cached)
777 cached="$1"
778 ;;
779 --files)
780 files="$1"
781 ;;
782 --for-status)
783 for_status="$1"
784 ;;
785 -n|--summary-limit)
786 summary_limit="$2"
787 isnumber "$summary_limit" || usage
788 shift
789 ;;
790 --summary-limit=*)
791 summary_limit="${1#--summary-limit=}"
792 isnumber "$summary_limit" || usage
793 ;;
794 --)
795 shift
796 break
797 ;;
798 -*)
799 usage
800 ;;
801 *)
802 break
803 ;;
804 esac
805 shift
806 done
807 test $summary_limit = 0 && return
809 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
811 then
812 head=$rev
813 test $# = 0 || shift
814 elif test -z "$1" || test "$1" = "HEAD"
815 then
816 # before the first commit: compare with an empty tree
817 head=$(git hash-object -w -t tree --stdin </dev/null)
818 test -z "$1" || shift
819 else
820 head="HEAD"
821 fi
822 if [ -n "$files" ]
824 then
825 test -n "$cached" &&
826 die "$(gettext "The --cached option cannot be used with the --files option")"
827 diff_cmd=diff-files
828 head=
829 fi
830 cd_to_toplevel
832 eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
833 # Get modified modules cared by user
834 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
835 sane_egrep '^:([0-7]* )?160000' |
836 while read mod_src mod_dst sha1_src sha1_dst status sm_path
837 do
838 # Always show modules deleted or type-changed (blob<->module)
839 if test "$status" = D || test "$status" = T
840 then
841 printf '%s\n' "$sm_path"
842 continue
843 fi
844 # Respect the ignore setting for --for-status.
845 if test -n "$for_status"
846 then
847 name=$(git submodule--helper name "$sm_path")
848 ignore_config=$(get_submodule_config "$name" ignore none)
849 test $status != A && test $ignore_config = all && continue
850 fi
851 # Also show added or modified modules which are checked out
852 GIT_DIR="$sm_path/.git" git-rev-parse --git-dir >/dev/null 2>&1 &&
853 printf '%s\n' "$sm_path"
854 done
855 )
856 test -z "$modules" && return
858 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
860 sane_egrep '^:([0-7]* )?160000' |
861 cut -c2- |
862 while read mod_src mod_dst sha1_src sha1_dst status name
863 do
864 if test -z "$cached" &&
865 test $sha1_dst = 0000000000000000000000000000000000000000
866 then
867 case "$mod_dst" in
868 160000)
869 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
870 ;;
871 100644 | 100755 | 120000)
872 sha1_dst=$(git hash-object $name)
873 ;;
874 000000)
875 ;; # removed
876 *)
877 # unexpected type
878 eval_gettextln "unexpected mode \$mod_dst" >&2
879 continue ;;
880 esac
881 fi
882 missing_src=
883 missing_dst=
884 test $mod_src = 160000 &&
886 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_src^0 >/dev/null &&
887 missing_src=t
888 test $mod_dst = 160000 &&
890 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_dst^0 >/dev/null &&
891 missing_dst=t
892 display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
894 total_commits=
896 case "$missing_src,$missing_dst" in
897 t,)
898 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")"
899 ;;
900 ,t)
901 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")"
902 ;;
903 t,t)
904 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")"
905 ;;
906 *)
907 errmsg=
908 total_commits=$(
909 if test $mod_src = 160000 && test $mod_dst = 160000
910 then
911 range="$sha1_src...$sha1_dst"
912 elif test $mod_src = 160000
913 then
914 range=$sha1_src
915 else
916 range=$sha1_dst
917 fi
918 GIT_DIR="$name/.git" \
919 git rev-list --first-parent $range -- | wc -l
920 )
921 total_commits=" ($(($total_commits + 0)))"
922 ;;
923 esac
924 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
926 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
927 if test $status = T
928 then
929 blob="$(gettext "blob")"
930 submodule="$(gettext "submodule")"
931 if test $mod_dst = 160000
932 then
933 echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
934 else
935 echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
936 fi
937 else
938 echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
939 fi
940 if test -n "$errmsg"
941 then
942 # Don't give error msg for modification whose dst is not submodule
943 # i.e. deleted or changed to blob
944 test $mod_dst = 160000 && echo "$errmsg"
945 else
946 if test $mod_src = 160000 && test $mod_dst = 160000
947 then
948 limit=
949 test $summary_limit -gt 0 && limit="-$summary_limit"
950 GIT_DIR="$name/.git" \
951 git log $limit --pretty='format: %m %s' \
952 --first-parent $sha1_src...$sha1_dst
953 elif test $mod_dst = 160000
954 then
955 GIT_DIR="$name/.git" \
956 git log --pretty='format: > %s' -1 $sha1_dst
957 else
958 GIT_DIR="$name/.git" \
959 git log --pretty='format: < %s' -1 $sha1_src
960 fi
961 echo
962 fi
963 echo
964 done
965}
966#
967# List all submodules, prefixed with:
968# - submodule not initialized
969# + different revision checked out
970#
971# If --cached was specified the revision in the index will be printed
972# instead of the currently checked out revision.
973#
974# $@ = requested paths (default to all)
975#
976cmd_status()
977{
978 # parse $args after "submodule ... status".
979 while test $# -ne 0
980 do
981 case "$1" in
982 -q|--quiet)
983 GIT_QUIET=1
984 ;;
985 --cached)
986 cached=1
987 ;;
988 --recursive)
989 recursive=1
990 ;;
991 --)
992 shift
993 break
994 ;;
995 -*)
996 usage
997 ;;
998 *)
999 break
1000 ;;
1001 esac
1002 shift
1003 done
1004 {
1006 git submodule--helper list --prefix "$wt_prefix" "$@" ||
1007 echo "#unmatched" $?
1008 } |
1009 while read mode sha1 stage sm_path
1010 do
1011 die_if_unmatched "$mode" "$sha1"
1012 name=$(git submodule--helper name "$sm_path") || exit
1013 url=$(git config submodule."$name".url)
1014 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
1015 if test "$stage" = U
1016 then
1017 say "U$sha1 $displaypath"
1018 continue
1019 fi
1020 if test -z "$url" ||
1021 {
1022 ! test -d "$sm_path"/.git &&
1023 ! test -f "$sm_path"/.git
1024 }
1025 then
1026 say "-$sha1 $displaypath"
1027 continue;
1028 fi
1029 if git diff-files --ignore-submodules=dirty --quiet -- "$sm_path"
1030 then
1031 set_name_rev "$sm_path" "$sha1"
1032 say " $sha1 $displaypath$revname"
1033 else
1034 if test -z "$cached"
1035 then
1036 sha1=$(sanitize_submodule_env; cd "$sm_path" && git rev-parse --verify HEAD)
1037 fi
1038 set_name_rev "$sm_path" "$sha1"
1039 say "+$sha1 $displaypath$revname"
1040 fi
1041 if test -n "$recursive"
1043 then
1044 (
1045 prefix="$displaypath/"
1046 sanitize_submodule_env
1047 wt_prefix=
1048 cd "$sm_path" &&
1049 eval cmd_status
1050 ) ||
1051 die "$(eval_gettext "Failed to recurse into submodule path '\$sm_path'")"
1052 fi
1053 done
1054}
1055#
1056# Sync remote urls for submodules
1057# This makes the value for remote.$remote.url match the value
1058# specified in .gitmodules.
1059#
1060cmd_sync()
1061{
1062 while test $# -ne 0
1063 do
1064 case "$1" in
1065 -q|--quiet)
1066 GIT_QUIET=1
1067 shift
1068 ;;
1069 --recursive)
1070 recursive=1
1071 shift
1072 ;;
1073 --)
1074 shift
1075 break
1076 ;;
1077 -*)
1078 usage
1079 ;;
1080 *)
1081 break
1082 ;;
1083 esac
1084 done
1085 cd_to_toplevel
1086 {
1087 git submodule--helper list --prefix "$wt_prefix" "$@" ||
1088 echo "#unmatched" $?
1089 } |
1090 while read mode sha1 stage sm_path
1091 do
1092 die_if_unmatched "$mode" "$sha1"
1093 name=$(git submodule--helper name "$sm_path")
1094 url=$(git config -f .gitmodules --get submodule."$name".url)
1095 # Possibly a url relative to parent
1097 case "$url" in
1098 ./*|../*)
1099 # rewrite foo/bar as ../.. to find path from
1100 # submodule work tree to superproject work tree
1101 up_path="$(printf '%s\n' "$sm_path" | sed "s/[^/][^/]*/../g")" &&
1102 # guarantee a trailing /
1103 up_path=${up_path%/}/ &&
1104 # path from submodule work tree to submodule origin repo
1105 sub_origin_url=$(git submodule--helper resolve-relative-url "$url" "$up_path") &&
1106 # path from superproject work tree to submodule origin repo
1107 super_config_url=$(git submodule--helper resolve-relative-url "$url") || exit
1108 ;;
1109 *)
1110 sub_origin_url="$url"
1111 super_config_url="$url"
1112 ;;
1113 esac
1114 if git config "submodule.$name.url" >/dev/null 2>/dev/null
1116 then
1117 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
1118 say "$(eval_gettext "Synchronizing submodule url for '\$displaypath'")"
1119 git config submodule."$name".url "$super_config_url"
1120 if test -e "$sm_path"/.git
1122 then
1123 (
1124 sanitize_submodule_env
1125 cd "$sm_path"
1126 remote=$(get_default_remote)
1127 git config remote."$remote".url "$sub_origin_url"
1128 if test -n "$recursive"
1130 then
1131 prefix="$prefix$sm_path/"
1132 eval cmd_sync
1133 fi
1134 )
1135 fi
1136 fi
1137 done
1138}
1139cmd_absorbgitdirs()
1141{
1142 git submodule--helper absorb-git-dirs --prefix "$wt_prefix" "$@"
1143}
1144# This loop parses the command line arguments to find the
1146# subcommand name to dispatch. Parsing of the subcommand specific
1147# options are primarily done by the subcommand implementations.
1148# Subcommand specific options such as --branch and --cached are
1149# parsed here as well, for backward compatibility.
1150while test $# != 0 && test -z "$command"
1152do
1153 case "$1" in
1154 add | foreach | init | deinit | update | status | summary | sync | absorbgitdirs)
1155 command=$1
1156 ;;
1157 -q|--quiet)
1158 GIT_QUIET=1
1159 ;;
1160 -b|--branch)
1161 case "$2" in
1162 '')
1163 usage
1164 ;;
1165 esac
1166 branch="$2"; shift
1167 ;;
1168 --cached)
1169 cached="$1"
1170 ;;
1171 --)
1172 break
1173 ;;
1174 -*)
1175 usage
1176 ;;
1177 *)
1178 break
1179 ;;
1180 esac
1181 shift
1182done
1183# No command word defaults to "status"
1185if test -z "$command"
1186then
1187 if test $# = 0
1188 then
1189 command=status
1190 else
1191 usage
1192 fi
1193fi
1194# "-b branch" is accepted only by "add"
1196if test -n "$branch" && test "$command" != add
1197then
1198 usage
1199fi
1200# "--cached" is accepted only by "status" and "summary"
1202if test -n "$cached" && test "$command" != status && test "$command" != summary
1203then
1204 usage
1205fi
1206"cmd_$command" "$@"