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=
45dissociate=
46die_if_unmatched ()
48{
49 if test "$1" = "#unmatched"
50 then
51 exit ${2:-1}
52 fi
53}
54#
56# Print a submodule configuration setting
57#
58# $1 = submodule name
59# $2 = option name
60# $3 = default value
61#
62# Checks in the usual git-config places first (for overrides),
63# otherwise it falls back on .gitmodules. This allows you to
64# distribute project-wide defaults in .gitmodules, while still
65# customizing individual repositories if necessary. If the option is
66# not in .gitmodules either, print a default value.
67#
68get_submodule_config () {
69 name="$1"
70 option="$2"
71 default="$3"
72 value=$(git config submodule."$name"."$option")
73 if test -z "$value"
74 then
75 value=$(git config -f .gitmodules submodule."$name"."$option")
76 fi
77 printf '%s' "${value:-$default}"
78}
79isnumber()
81{
82 n=$(($1 + 0)) 2>/dev/null && test "$n" = "$1"
83}
84# Sanitize the local git environment for use within a submodule. We
86# can't simply use clear_local_git_env since we want to preserve some
87# of the settings from GIT_CONFIG_PARAMETERS.
88sanitize_submodule_env()
89{
90 save_config=$GIT_CONFIG_PARAMETERS
91 clear_local_git_env
92 GIT_CONFIG_PARAMETERS=$save_config
93 export GIT_CONFIG_PARAMETERS
94}
95#
97# Add a new submodule to the working tree, .gitmodules and the index
98#
99# $@ = repo path
100#
101# optional branch is stored in global branch variable
102#
103cmd_add()
104{
105 # parse $args after "submodule ... add".
106 reference_path=
107 while test $# -ne 0
108 do
109 case "$1" in
110 -b | --branch)
111 case "$2" in '') usage ;; esac
112 branch=$2
113 shift
114 ;;
115 -f | --force)
116 force=$1
117 ;;
118 -q|--quiet)
119 GIT_QUIET=1
120 ;;
121 --progress)
122 progress=1
123 ;;
124 --reference)
125 case "$2" in '') usage ;; esac
126 reference_path=$2
127 shift
128 ;;
129 --reference=*)
130 reference_path="${1#--reference=}"
131 ;;
132 --dissociate)
133 dissociate=1
134 ;;
135 --name)
136 case "$2" in '') usage ;; esac
137 custom_name=$2
138 shift
139 ;;
140 --depth)
141 case "$2" in '') usage ;; esac
142 depth="--depth=$2"
143 shift
144 ;;
145 --depth=*)
146 depth=$1
147 ;;
148 --)
149 shift
150 break
151 ;;
152 -*)
153 usage
154 ;;
155 *)
156 break
157 ;;
158 esac
159 shift
160 done
161 if test -n "$reference_path"
163 then
164 is_absolute_path "$reference_path" ||
165 reference_path="$wt_prefix$reference_path"
166 reference="--reference=$reference_path"
168 fi
169 repo=$1
171 sm_path=$2
172 if test -z "$sm_path"; then
174 sm_path=$(printf '%s\n' "$repo" |
175 sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
176 fi
177 if test -z "$repo" || test -z "$sm_path"; then
179 usage
180 fi
181 is_absolute_path "$sm_path" || sm_path="$wt_prefix$sm_path"
183 # assure repo is absolute or relative to parent
185 case "$repo" in
186 ./*|../*)
187 test -z "$wt_prefix" ||
188 die "$(gettext "Relative path can only be used from the toplevel of the working tree")"
189 # dereference source url relative to parent's url
191 realrepo=$(git submodule--helper resolve-relative-url "$repo") || exit
192 ;;
193 *:*|/*)
194 # absolute url
195 realrepo=$repo
196 ;;
197 *)
198 die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")"
199 ;;
200 esac
201 # normalize path:
203 # multiple //; leading ./; /./; /../; trailing /
204 sm_path=$(printf '%s/\n' "$sm_path" |
205 sed -e '
206 s|//*|/|g
207 s|^\(\./\)*||
208 s|/\(\./\)*|/|g
209 :start
210 s|\([^/]*\)/\.\./||
211 tstart
212 s|/*$||
213 ')
214 if test -z "$force"
215 then
216 git ls-files --error-unmatch "$sm_path" > /dev/null 2>&1 &&
217 die "$(eval_gettext "'\$sm_path' already exists in the index")"
218 else
219 git ls-files -s "$sm_path" | sane_grep -v "^160000" > /dev/null 2>&1 &&
220 die "$(eval_gettext "'\$sm_path' already exists in the index and is not a submodule")"
221 fi
222 if test -z "$force" &&
224 ! git add --dry-run --ignore-missing --no-warn-embedded-repo "$sm_path" > /dev/null 2>&1
225 then
226 eval_gettextln "The following path is ignored by one of your .gitignore files:
227\$sm_path
228Use -f if you really want to add it." >&2
229 exit 1
230 fi
231 if test -n "$custom_name"
233 then
234 sm_name="$custom_name"
235 else
236 sm_name="$sm_path"
237 fi
238 # perhaps the path exists and is already a git repo, else clone it
240 if test -e "$sm_path"
241 then
242 if test -d "$sm_path"/.git || test -f "$sm_path"/.git
243 then
244 eval_gettextln "Adding existing repo at '\$sm_path' to the index"
245 else
246 die "$(eval_gettext "'\$sm_path' already exists and is not a valid git repo")"
247 fi
248 else
250 if test -d ".git/modules/$sm_name"
251 then
252 if test -z "$force"
253 then
254 eval_gettextln >&2 "A git directory for '\$sm_name' is found locally with remote(s):"
255 GIT_DIR=".git/modules/$sm_name" GIT_WORK_TREE=. git remote -v | grep '(fetch)' | sed -e s,^," ", -e s,' (fetch)',, >&2
256 die "$(eval_gettextln "\
257If you want to reuse this local git directory instead of cloning again from
258 \$realrepo
259use the '--force' option. If the local git directory is not the correct repo
260or you are unsure what this means choose another name with the '--name' option.")"
261 else
262 eval_gettextln "Reactivating local git directory for submodule '\$sm_name'."
263 fi
264 fi
265 git submodule--helper clone ${GIT_QUIET:+--quiet} ${progress:+"--progress"} --prefix "$wt_prefix" --path "$sm_path" --name "$sm_name" --url "$realrepo" ${reference:+"$reference"} ${dissociate:+"--dissociate"} ${depth:+"$depth"} || exit
266 (
267 sanitize_submodule_env
268 cd "$sm_path" &&
269 # ash fails to wordsplit ${branch:+-b "$branch"...}
270 case "$branch" in
271 '') git checkout -f -q ;;
272 ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
273 esac
274 ) || die "$(eval_gettext "Unable to checkout submodule '\$sm_path'")"
275 fi
276 git config submodule."$sm_name".url "$realrepo"
277 git add --no-warn-embedded-repo $force "$sm_path" ||
279 die "$(eval_gettext "Failed to add submodule '\$sm_path'")"
280 git config -f .gitmodules submodule."$sm_name".path "$sm_path" &&
282 git config -f .gitmodules submodule."$sm_name".url "$repo" &&
283 if test -n "$branch"
284 then
285 git config -f .gitmodules submodule."$sm_name".branch "$branch"
286 fi &&
287 git add --force .gitmodules ||
288 die "$(eval_gettext "Failed to register submodule '\$sm_path'")"
289 # NEEDSWORK: In a multi-working-tree world, this needs to be
291 # set in the per-worktree config.
292 if git config --get submodule.active >/dev/null
293 then
294 # If the submodule being adding isn't already covered by the
295 # current configured pathspec, set the submodule's active flag
296 if ! git submodule--helper is-active "$sm_path"
297 then
298 git config submodule."$sm_name".active "true"
299 fi
300 else
301 git config submodule."$sm_name".active "true"
302 fi
303}
304#
306# Execute an arbitrary command sequence in each checked out
307# submodule
308#
309# $@ = command to execute
310#
311cmd_foreach()
312{
313 # parse $args after "submodule ... foreach".
314 while test $# -ne 0
315 do
316 case "$1" in
317 -q|--quiet)
318 GIT_QUIET=1
319 ;;
320 --recursive)
321 recursive=1
322 ;;
323 -*)
324 usage
325 ;;
326 *)
327 break
328 ;;
329 esac
330 shift
331 done
332 toplevel=$(pwd)
334 # dup stdin so that it can be restored when running the external
336 # command in the subshell (and a recursive call to this function)
337 exec 3<&0
338 {
340 git submodule--helper list --prefix "$wt_prefix" ||
341 echo "#unmatched" $?
342 } |
343 while read -r mode sha1 stage sm_path
344 do
345 die_if_unmatched "$mode" "$sha1"
346 if test -e "$sm_path"/.git
347 then
348 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
349 say "$(eval_gettext "Entering '\$displaypath'")"
350 name=$(git submodule--helper name "$sm_path")
351 (
352 prefix="$prefix$sm_path/"
353 sanitize_submodule_env
354 cd "$sm_path" &&
355 sm_path=$(git submodule--helper relative-path "$sm_path" "$wt_prefix") &&
356 # we make $path available to scripts ...
357 path=$sm_path &&
358 if test $# -eq 1
359 then
360 eval "$1"
361 else
362 "$@"
363 fi &&
364 if test -n "$recursive"
365 then
366 cmd_foreach "--recursive" "$@"
367 fi
368 ) <&3 3<&- ||
369 die "$(eval_gettext "Stopping at '\$displaypath'; script returned non-zero status.")"
370 fi
371 done
372}
373#
375# Register submodules in .git/config
376#
377# $@ = requested paths (default to all)
378#
379cmd_init()
380{
381 # parse $args after "submodule ... init".
382 while test $# -ne 0
383 do
384 case "$1" in
385 -q|--quiet)
386 GIT_QUIET=1
387 ;;
388 --)
389 shift
390 break
391 ;;
392 -*)
393 usage
394 ;;
395 *)
396 break
397 ;;
398 esac
399 shift
400 done
401 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper init ${GIT_QUIET:+--quiet} "$@"
403}
404#
406# Unregister submodules from .git/config and remove their work tree
407#
408cmd_deinit()
409{
410 # parse $args after "submodule ... deinit".
411 deinit_all=
412 while test $# -ne 0
413 do
414 case "$1" in
415 -f|--force)
416 force=$1
417 ;;
418 -q|--quiet)
419 GIT_QUIET=1
420 ;;
421 --all)
422 deinit_all=t
423 ;;
424 --)
425 shift
426 break
427 ;;
428 -*)
429 usage
430 ;;
431 *)
432 break
433 ;;
434 esac
435 shift
436 done
437 git ${wt_prefix:+-C "$wt_prefix"} submodule--helper deinit ${GIT_QUIET:+--quiet} ${prefix:+--prefix "$prefix"} ${force:+--force} ${deinit_all:+--all} "$@"
439}
440is_tip_reachable () (
442 sanitize_submodule_env &&
443 cd "$1" &&
444 rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) &&
445 test -z "$rev"
446)
447fetch_in_submodule () (
449 sanitize_submodule_env &&
450 cd "$1" &&
451 case "$2" in
452 '')
453 git fetch ;;
454 *)
455 shift
456 git fetch $(get_default_remote) "$@" ;;
457 esac
458)
459#
461# Update each submodule path to correct revision, using clone and checkout as needed
462#
463# $@ = requested paths (default to all)
464#
465cmd_update()
466{
467 # parse $args after "submodule ... update".
468 while test $# -ne 0
469 do
470 case "$1" in
471 -q|--quiet)
472 GIT_QUIET=1
473 ;;
474 --progress)
475 progress=1
476 ;;
477 -i|--init)
478 init=1
479 ;;
480 --remote)
481 remote=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 shift
496 ;;
497 --reference=*)
498 reference="$1"
499 ;;
500 --dissociate)
501 dissociate=1
502 ;;
503 -m|--merge)
504 update="merge"
505 ;;
506 --recursive)
507 recursive=1
508 ;;
509 --checkout)
510 update="checkout"
511 ;;
512 --recommend-shallow)
513 recommend_shallow="--recommend-shallow"
514 ;;
515 --no-recommend-shallow)
516 recommend_shallow="--no-recommend-shallow"
517 ;;
518 --depth)
519 case "$2" in '') usage ;; esac
520 depth="--depth=$2"
521 shift
522 ;;
523 --depth=*)
524 depth=$1
525 ;;
526 -j|--jobs)
527 case "$2" in '') usage ;; esac
528 jobs="--jobs=$2"
529 shift
530 ;;
531 --jobs=*)
532 jobs=$1
533 ;;
534 --)
535 shift
536 break
537 ;;
538 -*)
539 usage
540 ;;
541 *)
542 break
543 ;;
544 esac
545 shift
546 done
547 if test -n "$init"
549 then
550 cmd_init "--" "$@" || return
551 fi
552 {
554 git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
555 ${progress:+"--progress"} \
556 ${wt_prefix:+--prefix "$wt_prefix"} \
557 ${prefix:+--recursive-prefix "$prefix"} \
558 ${update:+--update "$update"} \
559 ${reference:+"$reference"} \
560 ${dissociate:+"--dissociate"} \
561 ${depth:+--depth "$depth"} \
562 $recommend_shallow \
563 $jobs \
564 "$@" || echo "#unmatched" $?
565 } | {
566 err=
567 while read -r mode sha1 stage just_cloned sm_path
568 do
569 die_if_unmatched "$mode" "$sha1"
570 name=$(git submodule--helper name "$sm_path") || exit
572 if ! test -z "$update"
573 then
574 update_module=$update
575 else
576 update_module=$(git config submodule."$name".update)
577 if test -z "$update_module"
578 then
579 update_module="checkout"
580 fi
581 fi
582 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
584 if test $just_cloned -eq 1
586 then
587 subsha1=
588 case "$update_module" in
589 merge | rebase | none)
590 update_module=checkout ;;
591 esac
592 else
593 subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
594 git rev-parse --verify HEAD) ||
595 die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
596 fi
597 if test -n "$remote"
599 then
600 branch=$(git submodule--helper remote-branch "$sm_path")
601 if test -z "$nofetch"
602 then
603 # Fetch remote before determining tracking $sha1
604 fetch_in_submodule "$sm_path" $depth ||
605 die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
606 fi
607 remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote)
608 sha1=$(sanitize_submodule_env; cd "$sm_path" &&
609 git rev-parse --verify "${remote_name}/${branch}") ||
610 die "$(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")"
611 fi
612 if test "$subsha1" != "$sha1" || test -n "$force"
614 then
615 subforce=$force
616 # If we don't already have a -f flag and the submodule has never been checked out
617 if test -z "$subsha1" && test -z "$force"
618 then
619 subforce="-f"
620 fi
621 if test -z "$nofetch"
623 then
624 # Run fetch only if $sha1 isn't present or it
625 # is not reachable from a ref.
626 is_tip_reachable "$sm_path" "$sha1" ||
627 fetch_in_submodule "$sm_path" $depth ||
628 die "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
629 # Now we tried the usual fetch, but $sha1 may
631 # not be reachable from any of the refs
632 is_tip_reachable "$sm_path" "$sha1" ||
633 fetch_in_submodule "$sm_path" $depth "$sha1" ||
634 die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
635 fi
636 must_die_on_failure=
638 case "$update_module" in
639 checkout)
640 command="git checkout $subforce -q"
641 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
642 say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
643 ;;
644 rebase)
645 command="git rebase"
646 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
647 say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
648 must_die_on_failure=yes
649 ;;
650 merge)
651 command="git merge"
652 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
653 say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
654 must_die_on_failure=yes
655 ;;
656 !*)
657 command="${update_module#!}"
658 die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
659 say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
660 must_die_on_failure=yes
661 ;;
662 *)
663 die "$(eval_gettext "Invalid update mode '$update_module' for submodule '$name'")"
664 esac
665 if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
667 then
668 say "$say_msg"
669 elif test -n "$must_die_on_failure"
670 then
671 die_with_status 2 "$die_msg"
672 else
673 err="${err};$die_msg"
674 continue
675 fi
676 fi
677 if test -n "$recursive"
679 then
680 (
681 prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix")
682 wt_prefix=
683 sanitize_submodule_env
684 cd "$sm_path" &&
685 eval cmd_update
686 )
687 res=$?
688 if test $res -gt 0
689 then
690 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")"
691 if test $res -ne 2
692 then
693 err="${err};$die_msg"
694 continue
695 else
696 die_with_status $res "$die_msg"
697 fi
698 fi
699 fi
700 done
701 if test -n "$err"
703 then
704 OIFS=$IFS
705 IFS=';'
706 for e in $err
707 do
708 if test -n "$e"
709 then
710 echo >&2 "$e"
711 fi
712 done
713 IFS=$OIFS
714 exit 1
715 fi
716 }
717}
718#
720# Show commit summary for submodules in index or working tree
721#
722# If '--cached' is given, show summary between index and given commit,
723# or between working tree and given commit
724#
725# $@ = [commit (default 'HEAD'),] requested paths (default all)
726#
727cmd_summary() {
728 summary_limit=-1
729 for_status=
730 diff_cmd=diff-index
731 # parse $args after "submodule ... summary".
733 while test $# -ne 0
734 do
735 case "$1" in
736 --cached)
737 cached="$1"
738 ;;
739 --files)
740 files="$1"
741 ;;
742 --for-status)
743 for_status="$1"
744 ;;
745 -n|--summary-limit)
746 summary_limit="$2"
747 isnumber "$summary_limit" || usage
748 shift
749 ;;
750 --summary-limit=*)
751 summary_limit="${1#--summary-limit=}"
752 isnumber "$summary_limit" || usage
753 ;;
754 --)
755 shift
756 break
757 ;;
758 -*)
759 usage
760 ;;
761 *)
762 break
763 ;;
764 esac
765 shift
766 done
767 test $summary_limit = 0 && return
769 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
771 then
772 head=$rev
773 test $# = 0 || shift
774 elif test -z "$1" || test "$1" = "HEAD"
775 then
776 # before the first commit: compare with an empty tree
777 head=$(git hash-object -w -t tree --stdin </dev/null)
778 test -z "$1" || shift
779 else
780 head="HEAD"
781 fi
782 if [ -n "$files" ]
784 then
785 test -n "$cached" &&
786 die "$(gettext "The --cached option cannot be used with the --files option")"
787 diff_cmd=diff-files
788 head=
789 fi
790 cd_to_toplevel
792 eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
793 # Get modified modules cared by user
794 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
795 sane_egrep '^:([0-7]* )?160000' |
796 while read -r mod_src mod_dst sha1_src sha1_dst status sm_path
797 do
798 # Always show modules deleted or type-changed (blob<->module)
799 if test "$status" = D || test "$status" = T
800 then
801 printf '%s\n' "$sm_path"
802 continue
803 fi
804 # Respect the ignore setting for --for-status.
805 if test -n "$for_status"
806 then
807 name=$(git submodule--helper name "$sm_path")
808 ignore_config=$(get_submodule_config "$name" ignore none)
809 test $status != A && test $ignore_config = all && continue
810 fi
811 # Also show added or modified modules which are checked out
812 GIT_DIR="$sm_path/.git" git rev-parse --git-dir >/dev/null 2>&1 &&
813 printf '%s\n' "$sm_path"
814 done
815 )
816 test -z "$modules" && return
818 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
820 sane_egrep '^:([0-7]* )?160000' |
821 cut -c2- |
822 while read -r mod_src mod_dst sha1_src sha1_dst status name
823 do
824 if test -z "$cached" &&
825 test $sha1_dst = 0000000000000000000000000000000000000000
826 then
827 case "$mod_dst" in
828 160000)
829 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
830 ;;
831 100644 | 100755 | 120000)
832 sha1_dst=$(git hash-object $name)
833 ;;
834 000000)
835 ;; # removed
836 *)
837 # unexpected type
838 eval_gettextln "unexpected mode \$mod_dst" >&2
839 continue ;;
840 esac
841 fi
842 missing_src=
843 missing_dst=
844 test $mod_src = 160000 &&
846 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_src^0 >/dev/null &&
847 missing_src=t
848 test $mod_dst = 160000 &&
850 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_dst^0 >/dev/null &&
851 missing_dst=t
852 display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
854 total_commits=
856 case "$missing_src,$missing_dst" in
857 t,)
858 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")"
859 ;;
860 ,t)
861 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")"
862 ;;
863 t,t)
864 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")"
865 ;;
866 *)
867 errmsg=
868 total_commits=$(
869 if test $mod_src = 160000 && test $mod_dst = 160000
870 then
871 range="$sha1_src...$sha1_dst"
872 elif test $mod_src = 160000
873 then
874 range=$sha1_src
875 else
876 range=$sha1_dst
877 fi
878 GIT_DIR="$name/.git" \
879 git rev-list --first-parent $range -- | wc -l
880 )
881 total_commits=" ($(($total_commits + 0)))"
882 ;;
883 esac
884 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
886 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
887 if test $status = T
888 then
889 blob="$(gettext "blob")"
890 submodule="$(gettext "submodule")"
891 if test $mod_dst = 160000
892 then
893 echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
894 else
895 echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
896 fi
897 else
898 echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
899 fi
900 if test -n "$errmsg"
901 then
902 # Don't give error msg for modification whose dst is not submodule
903 # i.e. deleted or changed to blob
904 test $mod_dst = 160000 && echo "$errmsg"
905 else
906 if test $mod_src = 160000 && test $mod_dst = 160000
907 then
908 limit=
909 test $summary_limit -gt 0 && limit="-$summary_limit"
910 GIT_DIR="$name/.git" \
911 git log $limit --pretty='format: %m %s' \
912 --first-parent $sha1_src...$sha1_dst
913 elif test $mod_dst = 160000
914 then
915 GIT_DIR="$name/.git" \
916 git log --pretty='format: > %s' -1 $sha1_dst
917 else
918 GIT_DIR="$name/.git" \
919 git log --pretty='format: < %s' -1 $sha1_src
920 fi
921 echo
922 fi
923 echo
924 done
925}
926#
927# List all submodules, prefixed with:
928# - submodule not initialized
929# + different revision checked out
930#
931# If --cached was specified the revision in the index will be printed
932# instead of the currently checked out revision.
933#
934# $@ = requested paths (default to all)
935#
936cmd_status()
937{
938 # parse $args after "submodule ... status".
939 while test $# -ne 0
940 do
941 case "$1" in
942 -q|--quiet)
943 GIT_QUIET=1
944 ;;
945 --cached)
946 cached=1
947 ;;
948 --recursive)
949 recursive=1
950 ;;
951 --)
952 shift
953 break
954 ;;
955 -*)
956 usage
957 ;;
958 *)
959 break
960 ;;
961 esac
962 shift
963 done
964 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} "$@"
966}
967#
968# Sync remote urls for submodules
969# This makes the value for remote.$remote.url match the value
970# specified in .gitmodules.
971#
972cmd_sync()
973{
974 while test $# -ne 0
975 do
976 case "$1" in
977 -q|--quiet)
978 GIT_QUIET=1
979 shift
980 ;;
981 --recursive)
982 recursive=1
983 shift
984 ;;
985 --)
986 shift
987 break
988 ;;
989 -*)
990 usage
991 ;;
992 *)
993 break
994 ;;
995 esac
996 done
997 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
999}
1000cmd_absorbgitdirs()
1002{
1003 git submodule--helper absorb-git-dirs --prefix "$wt_prefix" "$@"
1004}
1005# This loop parses the command line arguments to find the
1007# subcommand name to dispatch. Parsing of the subcommand specific
1008# options are primarily done by the subcommand implementations.
1009# Subcommand specific options such as --branch and --cached are
1010# parsed here as well, for backward compatibility.
1011while test $# != 0 && test -z "$command"
1013do
1014 case "$1" in
1015 add | foreach | init | deinit | update | status | summary | sync | absorbgitdirs)
1016 command=$1
1017 ;;
1018 -q|--quiet)
1019 GIT_QUIET=1
1020 ;;
1021 -b|--branch)
1022 case "$2" in
1023 '')
1024 usage
1025 ;;
1026 esac
1027 branch="$2"; shift
1028 ;;
1029 --cached)
1030 cached="$1"
1031 ;;
1032 --)
1033 break
1034 ;;
1035 -*)
1036 usage
1037 ;;
1038 *)
1039 break
1040 ;;
1041 esac
1042 shift
1043done
1044# No command word defaults to "status"
1046if test -z "$command"
1047then
1048 if test $# = 0
1049 then
1050 command=status
1051 else
1052 usage
1053 fi
1054fi
1055# "-b branch" is accepted only by "add"
1057if test -n "$branch" && test "$command" != add
1058then
1059 usage
1060fi
1061# "--cached" is accepted only by "status" and "summary"
1063if test -n "$cached" && test "$command" != status && test "$command" != summary
1064then
1065 usage
1066fi
1067"cmd_$command" "$@"