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 "$force" &&
217 ! git add --dry-run --ignore-missing --no-warn-embedded-repo "$sm_path" > /dev/null 2>&1
218 then
219 eval_gettextln "The following path is ignored by one of your .gitignore files:
220\$sm_path
221Use -f if you really want to add it." >&2
222 exit 1
223 fi
224 if test -n "$custom_name"
226 then
227 sm_name="$custom_name"
228 else
229 sm_name="$sm_path"
230 fi
231 # perhaps the path exists and is already a git repo, else clone it
233 if test -e "$sm_path"
234 then
235 if test -d "$sm_path"/.git || test -f "$sm_path"/.git
236 then
237 eval_gettextln "Adding existing repo at '\$sm_path' to the index"
238 else
239 die "$(eval_gettext "'\$sm_path' already exists and is not a valid git repo")"
240 fi
241 else
243 if test -d ".git/modules/$sm_name"
244 then
245 if test -z "$force"
246 then
247 eval_gettextln >&2 "A git directory for '\$sm_name' is found locally with remote(s):"
248 GIT_DIR=".git/modules/$sm_name" GIT_WORK_TREE=. git remote -v | grep '(fetch)' | sed -e s,^," ", -e s,' (fetch)',, >&2
249 die "$(eval_gettextln "\
250If you want to reuse this local git directory instead of cloning again from
251 \$realrepo
252use the '--force' option. If the local git directory is not the correct repo
253or you are unsure what this means choose another name with the '--name' option.")"
254 else
255 eval_gettextln "Reactivating local git directory for submodule '\$sm_name'."
256 fi
257 fi
258 git submodule--helper clone ${GIT_QUIET:+--quiet} --prefix "$wt_prefix" --path "$sm_path" --name "$sm_name" --url "$realrepo" ${reference:+"$reference"} ${depth:+"$depth"} || exit
259 (
260 sanitize_submodule_env
261 cd "$sm_path" &&
262 # ash fails to wordsplit ${branch:+-b "$branch"...}
263 case "$branch" in
264 '') git checkout -f -q ;;
265 ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
266 esac
267 ) || die "$(eval_gettext "Unable to checkout submodule '\$sm_path'")"
268 fi
269 git config submodule."$sm_name".url "$realrepo"
270 git add --no-warn-embedded-repo $force "$sm_path" ||
272 die "$(eval_gettext "Failed to add submodule '\$sm_path'")"
273 git config -f .gitmodules submodule."$sm_name".path "$sm_path" &&
275 git config -f .gitmodules submodule."$sm_name".url "$repo" &&
276 if test -n "$branch"
277 then
278 git config -f .gitmodules submodule."$sm_name".branch "$branch"
279 fi &&
280 git add --force .gitmodules ||
281 die "$(eval_gettext "Failed to register submodule '\$sm_path'")"
282 # NEEDSWORK: In a multi-working-tree world, this needs to be
284 # set in the per-worktree config.
285 if git config --get submodule.active >/dev/null
286 then
287 # If the submodule being adding isn't already covered by the
288 # current configured pathspec, set the submodule's active flag
289 if ! git submodule--helper is-active "$sm_path"
290 then
291 git config submodule."$sm_name".active "true"
292 fi
293 else
294 git config submodule."$sm_name".active "true"
295 fi
296}
297#
299# Execute an arbitrary command sequence in each checked out
300# submodule
301#
302# $@ = command to execute
303#
304cmd_foreach()
305{
306 # parse $args after "submodule ... foreach".
307 while test $# -ne 0
308 do
309 case "$1" in
310 -q|--quiet)
311 GIT_QUIET=1
312 ;;
313 --recursive)
314 recursive=1
315 ;;
316 -*)
317 usage
318 ;;
319 *)
320 break
321 ;;
322 esac
323 shift
324 done
325 toplevel=$(pwd)
327 # dup stdin so that it can be restored when running the external
329 # command in the subshell (and a recursive call to this function)
330 exec 3<&0
331 {
333 git submodule--helper list --prefix "$wt_prefix" ||
334 echo "#unmatched" $?
335 } |
336 while read -r mode sha1 stage sm_path
337 do
338 die_if_unmatched "$mode" "$sha1"
339 if test -e "$sm_path"/.git
340 then
341 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
342 say "$(eval_gettext "Entering '\$displaypath'")"
343 name=$(git submodule--helper name "$sm_path")
344 (
345 prefix="$prefix$sm_path/"
346 sanitize_submodule_env
347 cd "$sm_path" &&
348 sm_path=$(git submodule--helper relative-path "$sm_path" "$wt_prefix") &&
349 # we make $path available to scripts ...
350 path=$sm_path &&
351 if test $# -eq 1
352 then
353 eval "$1"
354 else
355 "$@"
356 fi &&
357 if test -n "$recursive"
358 then
359 cmd_foreach "--recursive" "$@"
360 fi
361 ) <&3 3<&- ||
362 die "$(eval_gettext "Stopping at '\$displaypath'; script returned non-zero status.")"
363 fi
364 done
365}
366#
368# Register submodules in .git/config
369#
370# $@ = requested paths (default to all)
371#
372cmd_init()
373{
374 # parse $args after "submodule ... init".
375 while test $# -ne 0
376 do
377 case "$1" in
378 -q|--quiet)
379 GIT_QUIET=1
380 ;;
381 --)
382 shift
383 break
384 ;;
385 -*)
386 usage
387 ;;
388 *)
389 break
390 ;;
391 esac
392 shift
393 done
394 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper init ${GIT_QUIET:+--quiet} "$@"
396}
397#
399# Unregister submodules from .git/config and remove their work tree
400#
401cmd_deinit()
402{
403 # parse $args after "submodule ... deinit".
404 deinit_all=
405 while test $# -ne 0
406 do
407 case "$1" in
408 -f|--force)
409 force=$1
410 ;;
411 -q|--quiet)
412 GIT_QUIET=1
413 ;;
414 --all)
415 deinit_all=t
416 ;;
417 --)
418 shift
419 break
420 ;;
421 -*)
422 usage
423 ;;
424 *)
425 break
426 ;;
427 esac
428 shift
429 done
430 git ${wt_prefix:+-C "$wt_prefix"} submodule--helper deinit ${GIT_QUIET:+--quiet} ${prefix:+--prefix "$prefix"} ${force:+--force} ${deinit_all:+--all} "$@"
432}
433is_tip_reachable () (
435 sanitize_submodule_env &&
436 cd "$1" &&
437 rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) &&
438 test -z "$rev"
439)
440fetch_in_submodule () (
442 sanitize_submodule_env &&
443 cd "$1" &&
444 case "$2" in
445 '')
446 git fetch ;;
447 *)
448 shift
449 git fetch $(get_default_remote) "$@" ;;
450 esac
451)
452#
454# Update each submodule path to correct revision, using clone and checkout as needed
455#
456# $@ = requested paths (default to all)
457#
458cmd_update()
459{
460 # parse $args after "submodule ... update".
461 while test $# -ne 0
462 do
463 case "$1" in
464 -q|--quiet)
465 GIT_QUIET=1
466 ;;
467 --progress)
468 progress="--progress"
469 ;;
470 -i|--init)
471 init=1
472 ;;
473 --remote)
474 remote=1
475 ;;
476 -N|--no-fetch)
477 nofetch=1
478 ;;
479 -f|--force)
480 force=$1
481 ;;
482 -r|--rebase)
483 update="rebase"
484 ;;
485 --reference)
486 case "$2" in '') usage ;; esac
487 reference="--reference=$2"
488 shift
489 ;;
490 --reference=*)
491 reference="$1"
492 ;;
493 -m|--merge)
494 update="merge"
495 ;;
496 --recursive)
497 recursive=1
498 ;;
499 --checkout)
500 update="checkout"
501 ;;
502 --recommend-shallow)
503 recommend_shallow="--recommend-shallow"
504 ;;
505 --no-recommend-shallow)
506 recommend_shallow="--no-recommend-shallow"
507 ;;
508 --depth)
509 case "$2" in '') usage ;; esac
510 depth="--depth=$2"
511 shift
512 ;;
513 --depth=*)
514 depth=$1
515 ;;
516 -j|--jobs)
517 case "$2" in '') usage ;; esac
518 jobs="--jobs=$2"
519 shift
520 ;;
521 --jobs=*)
522 jobs=$1
523 ;;
524 --)
525 shift
526 break
527 ;;
528 -*)
529 usage
530 ;;
531 *)
532 break
533 ;;
534 esac
535 shift
536 done
537 if test -n "$init"
539 then
540 cmd_init "--" "$@" || return
541 fi
542 {
544 git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
545 ${progress:+"$progress"} \
546 ${wt_prefix:+--prefix "$wt_prefix"} \
547 ${prefix:+--recursive-prefix "$prefix"} \
548 ${update:+--update "$update"} \
549 ${reference:+"$reference"} \
550 ${depth:+--depth "$depth"} \
551 ${recommend_shallow:+"$recommend_shallow"} \
552 ${jobs:+$jobs} \
553 "$@" || echo "#unmatched" $?
554 } | {
555 err=
556 while read -r mode sha1 stage just_cloned sm_path
557 do
558 die_if_unmatched "$mode" "$sha1"
559 name=$(git submodule--helper name "$sm_path") || exit
561 if ! test -z "$update"
562 then
563 update_module=$update
564 else
565 update_module=$(git config submodule."$name".update)
566 if test -z "$update_module"
567 then
568 update_module="checkout"
569 fi
570 fi
571 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
573 if test $just_cloned -eq 1
575 then
576 subsha1=
577 case "$update_module" in
578 merge | rebase | none)
579 update_module=checkout ;;
580 esac
581 else
582 subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
583 git rev-parse --verify HEAD) ||
584 die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
585 fi
586 if test -n "$remote"
588 then
589 branch=$(git submodule--helper remote-branch "$sm_path")
590 if test -z "$nofetch"
591 then
592 # Fetch remote before determining tracking $sha1
593 fetch_in_submodule "$sm_path" $depth ||
594 die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
595 fi
596 remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote)
597 sha1=$(sanitize_submodule_env; cd "$sm_path" &&
598 git rev-parse --verify "${remote_name}/${branch}") ||
599 die "$(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")"
600 fi
601 if test "$subsha1" != "$sha1" || test -n "$force"
603 then
604 subforce=$force
605 # If we don't already have a -f flag and the submodule has never been checked out
606 if test -z "$subsha1" && test -z "$force"
607 then
608 subforce="-f"
609 fi
610 if test -z "$nofetch"
612 then
613 # Run fetch only if $sha1 isn't present or it
614 # is not reachable from a ref.
615 is_tip_reachable "$sm_path" "$sha1" ||
616 fetch_in_submodule "$sm_path" $depth ||
617 die "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
618 # Now we tried the usual fetch, but $sha1 may
620 # not be reachable from any of the refs
621 is_tip_reachable "$sm_path" "$sha1" ||
622 fetch_in_submodule "$sm_path" $depth "$sha1" ||
623 die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
624 fi
625 must_die_on_failure=
627 case "$update_module" in
628 checkout)
629 command="git checkout $subforce -q"
630 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
631 say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
632 ;;
633 rebase)
634 command="git rebase"
635 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
636 say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
637 must_die_on_failure=yes
638 ;;
639 merge)
640 command="git merge"
641 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
642 say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
643 must_die_on_failure=yes
644 ;;
645 !*)
646 command="${update_module#!}"
647 die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
648 say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
649 must_die_on_failure=yes
650 ;;
651 *)
652 die "$(eval_gettext "Invalid update mode '$update_module' for submodule '$name'")"
653 esac
654 if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
656 then
657 say "$say_msg"
658 elif test -n "$must_die_on_failure"
659 then
660 die_with_status 2 "$die_msg"
661 else
662 err="${err};$die_msg"
663 continue
664 fi
665 fi
666 if test -n "$recursive"
668 then
669 (
670 prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix")
671 wt_prefix=
672 sanitize_submodule_env
673 cd "$sm_path" &&
674 eval cmd_update
675 )
676 res=$?
677 if test $res -gt 0
678 then
679 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")"
680 if test $res -ne 2
681 then
682 err="${err};$die_msg"
683 continue
684 else
685 die_with_status $res "$die_msg"
686 fi
687 fi
688 fi
689 done
690 if test -n "$err"
692 then
693 OIFS=$IFS
694 IFS=';'
695 for e in $err
696 do
697 if test -n "$e"
698 then
699 echo >&2 "$e"
700 fi
701 done
702 IFS=$OIFS
703 exit 1
704 fi
705 }
706}
707#
709# Show commit summary for submodules in index or working tree
710#
711# If '--cached' is given, show summary between index and given commit,
712# or between working tree and given commit
713#
714# $@ = [commit (default 'HEAD'),] requested paths (default all)
715#
716cmd_summary() {
717 summary_limit=-1
718 for_status=
719 diff_cmd=diff-index
720 # parse $args after "submodule ... summary".
722 while test $# -ne 0
723 do
724 case "$1" in
725 --cached)
726 cached="$1"
727 ;;
728 --files)
729 files="$1"
730 ;;
731 --for-status)
732 for_status="$1"
733 ;;
734 -n|--summary-limit)
735 summary_limit="$2"
736 isnumber "$summary_limit" || usage
737 shift
738 ;;
739 --summary-limit=*)
740 summary_limit="${1#--summary-limit=}"
741 isnumber "$summary_limit" || usage
742 ;;
743 --)
744 shift
745 break
746 ;;
747 -*)
748 usage
749 ;;
750 *)
751 break
752 ;;
753 esac
754 shift
755 done
756 test $summary_limit = 0 && return
758 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
760 then
761 head=$rev
762 test $# = 0 || shift
763 elif test -z "$1" || test "$1" = "HEAD"
764 then
765 # before the first commit: compare with an empty tree
766 head=$(git hash-object -w -t tree --stdin </dev/null)
767 test -z "$1" || shift
768 else
769 head="HEAD"
770 fi
771 if [ -n "$files" ]
773 then
774 test -n "$cached" &&
775 die "$(gettext "The --cached option cannot be used with the --files option")"
776 diff_cmd=diff-files
777 head=
778 fi
779 cd_to_toplevel
781 eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
782 # Get modified modules cared by user
783 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
784 sane_egrep '^:([0-7]* )?160000' |
785 while read -r mod_src mod_dst sha1_src sha1_dst status sm_path
786 do
787 # Always show modules deleted or type-changed (blob<->module)
788 if test "$status" = D || test "$status" = T
789 then
790 printf '%s\n' "$sm_path"
791 continue
792 fi
793 # Respect the ignore setting for --for-status.
794 if test -n "$for_status"
795 then
796 name=$(git submodule--helper name "$sm_path")
797 ignore_config=$(get_submodule_config "$name" ignore none)
798 test $status != A && test $ignore_config = all && continue
799 fi
800 # Also show added or modified modules which are checked out
801 GIT_DIR="$sm_path/.git" git rev-parse --git-dir >/dev/null 2>&1 &&
802 printf '%s\n' "$sm_path"
803 done
804 )
805 test -z "$modules" && return
807 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
809 sane_egrep '^:([0-7]* )?160000' |
810 cut -c2- |
811 while read -r mod_src mod_dst sha1_src sha1_dst status name
812 do
813 if test -z "$cached" &&
814 test $sha1_dst = 0000000000000000000000000000000000000000
815 then
816 case "$mod_dst" in
817 160000)
818 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
819 ;;
820 100644 | 100755 | 120000)
821 sha1_dst=$(git hash-object $name)
822 ;;
823 000000)
824 ;; # removed
825 *)
826 # unexpected type
827 eval_gettextln "unexpected mode \$mod_dst" >&2
828 continue ;;
829 esac
830 fi
831 missing_src=
832 missing_dst=
833 test $mod_src = 160000 &&
835 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_src^0 >/dev/null &&
836 missing_src=t
837 test $mod_dst = 160000 &&
839 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_dst^0 >/dev/null &&
840 missing_dst=t
841 display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
843 total_commits=
845 case "$missing_src,$missing_dst" in
846 t,)
847 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")"
848 ;;
849 ,t)
850 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")"
851 ;;
852 t,t)
853 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")"
854 ;;
855 *)
856 errmsg=
857 total_commits=$(
858 if test $mod_src = 160000 && test $mod_dst = 160000
859 then
860 range="$sha1_src...$sha1_dst"
861 elif test $mod_src = 160000
862 then
863 range=$sha1_src
864 else
865 range=$sha1_dst
866 fi
867 GIT_DIR="$name/.git" \
868 git rev-list --first-parent $range -- | wc -l
869 )
870 total_commits=" ($(($total_commits + 0)))"
871 ;;
872 esac
873 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
875 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
876 if test $status = T
877 then
878 blob="$(gettext "blob")"
879 submodule="$(gettext "submodule")"
880 if test $mod_dst = 160000
881 then
882 echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
883 else
884 echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
885 fi
886 else
887 echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
888 fi
889 if test -n "$errmsg"
890 then
891 # Don't give error msg for modification whose dst is not submodule
892 # i.e. deleted or changed to blob
893 test $mod_dst = 160000 && echo "$errmsg"
894 else
895 if test $mod_src = 160000 && test $mod_dst = 160000
896 then
897 limit=
898 test $summary_limit -gt 0 && limit="-$summary_limit"
899 GIT_DIR="$name/.git" \
900 git log $limit --pretty='format: %m %s' \
901 --first-parent $sha1_src...$sha1_dst
902 elif test $mod_dst = 160000
903 then
904 GIT_DIR="$name/.git" \
905 git log --pretty='format: > %s' -1 $sha1_dst
906 else
907 GIT_DIR="$name/.git" \
908 git log --pretty='format: < %s' -1 $sha1_src
909 fi
910 echo
911 fi
912 echo
913 done
914}
915#
916# List all submodules, prefixed with:
917# - submodule not initialized
918# + different revision checked out
919#
920# If --cached was specified the revision in the index will be printed
921# instead of the currently checked out revision.
922#
923# $@ = requested paths (default to all)
924#
925cmd_status()
926{
927 # parse $args after "submodule ... status".
928 while test $# -ne 0
929 do
930 case "$1" in
931 -q|--quiet)
932 GIT_QUIET=1
933 ;;
934 --cached)
935 cached=1
936 ;;
937 --recursive)
938 recursive=1
939 ;;
940 --)
941 shift
942 break
943 ;;
944 -*)
945 usage
946 ;;
947 *)
948 break
949 ;;
950 esac
951 shift
952 done
953 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} "$@"
955}
956#
957# Sync remote urls for submodules
958# This makes the value for remote.$remote.url match the value
959# specified in .gitmodules.
960#
961cmd_sync()
962{
963 while test $# -ne 0
964 do
965 case "$1" in
966 -q|--quiet)
967 GIT_QUIET=1
968 shift
969 ;;
970 --recursive)
971 recursive=1
972 shift
973 ;;
974 --)
975 shift
976 break
977 ;;
978 -*)
979 usage
980 ;;
981 *)
982 break
983 ;;
984 esac
985 done
986 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
988}
989cmd_absorbgitdirs()
991{
992 git submodule--helper absorb-git-dirs --prefix "$wt_prefix" "$@"
993}
994# This loop parses the command line arguments to find the
996# subcommand name to dispatch. Parsing of the subcommand specific
997# options are primarily done by the subcommand implementations.
998# Subcommand specific options such as --branch and --cached are
999# parsed here as well, for backward compatibility.
1000while test $# != 0 && test -z "$command"
1002do
1003 case "$1" in
1004 add | foreach | init | deinit | update | status | summary | sync | absorbgitdirs)
1005 command=$1
1006 ;;
1007 -q|--quiet)
1008 GIT_QUIET=1
1009 ;;
1010 -b|--branch)
1011 case "$2" in
1012 '')
1013 usage
1014 ;;
1015 esac
1016 branch="$2"; shift
1017 ;;
1018 --cached)
1019 cached="$1"
1020 ;;
1021 --)
1022 break
1023 ;;
1024 -*)
1025 usage
1026 ;;
1027 *)
1028 break
1029 ;;
1030 esac
1031 shift
1032done
1033# No command word defaults to "status"
1035if test -z "$command"
1036then
1037 if test $# = 0
1038 then
1039 command=status
1040 else
1041 usage
1042 fi
1043fi
1044# "-b branch" is accepted only by "add"
1046if test -n "$branch" && test "$command" != add
1047then
1048 usage
1049fi
1050# "--cached" is accepted only by "status" and "summary"
1052if test -n "$cached" && test "$command" != status && test "$command" != summary
1053then
1054 usage
1055fi
1056"cmd_$command" "$@"