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="$sm_path"
230 fi
231 if ! git submodule--helper check-name "$sm_name"
233 then
234 die "$(eval_gettext "'$sm_name' is not a valid submodule name")"
235 fi
236 # perhaps the path exists and is already a git repo, else clone it
238 if test -e "$sm_path"
239 then
240 if test -d "$sm_path"/.git || test -f "$sm_path"/.git
241 then
242 eval_gettextln "Adding existing repo at '\$sm_path' to the index"
243 else
244 die "$(eval_gettext "'\$sm_path' already exists and is not a valid git repo")"
245 fi
246 else
248 if test -d ".git/modules/$sm_name"
249 then
250 if test -z "$force"
251 then
252 eval_gettextln >&2 "A git directory for '\$sm_name' is found locally with remote(s):"
253 GIT_DIR=".git/modules/$sm_name" GIT_WORK_TREE=. git remote -v | grep '(fetch)' | sed -e s,^," ", -e s,' (fetch)',, >&2
254 die "$(eval_gettextln "\
255If you want to reuse this local git directory instead of cloning again from
256 \$realrepo
257use the '--force' option. If the local git directory is not the correct repo
258or you are unsure what this means choose another name with the '--name' option.")"
259 else
260 eval_gettextln "Reactivating local git directory for submodule '\$sm_name'."
261 fi
262 fi
263 git submodule--helper clone ${GIT_QUIET:+--quiet} --prefix "$wt_prefix" --path "$sm_path" --name "$sm_name" --url "$realrepo" ${reference:+"$reference"} ${depth:+"$depth"} || exit
264 (
265 sanitize_submodule_env
266 cd "$sm_path" &&
267 # ash fails to wordsplit ${branch:+-b "$branch"...}
268 case "$branch" in
269 '') git checkout -f -q ;;
270 ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
271 esac
272 ) || die "$(eval_gettext "Unable to checkout submodule '\$sm_path'")"
273 fi
274 git config submodule."$sm_name".url "$realrepo"
275 git add --no-warn-embedded-repo $force "$sm_path" ||
277 die "$(eval_gettext "Failed to add submodule '\$sm_path'")"
278 git config -f .gitmodules submodule."$sm_name".path "$sm_path" &&
280 git config -f .gitmodules submodule."$sm_name".url "$repo" &&
281 if test -n "$branch"
282 then
283 git config -f .gitmodules submodule."$sm_name".branch "$branch"
284 fi &&
285 git add --force .gitmodules ||
286 die "$(eval_gettext "Failed to register submodule '\$sm_path'")"
287 # NEEDSWORK: In a multi-working-tree world, this needs to be
289 # set in the per-worktree config.
290 if git config --get submodule.active >/dev/null
291 then
292 # If the submodule being adding isn't already covered by the
293 # current configured pathspec, set the submodule's active flag
294 if ! git submodule--helper is-active "$sm_path"
295 then
296 git config submodule."$sm_name".active "true"
297 fi
298 else
299 git config submodule."$sm_name".active "true"
300 fi
301}
302#
304# Execute an arbitrary command sequence in each checked out
305# submodule
306#
307# $@ = command to execute
308#
309cmd_foreach()
310{
311 # parse $args after "submodule ... foreach".
312 while test $# -ne 0
313 do
314 case "$1" in
315 -q|--quiet)
316 GIT_QUIET=1
317 ;;
318 --recursive)
319 recursive=1
320 ;;
321 -*)
322 usage
323 ;;
324 *)
325 break
326 ;;
327 esac
328 shift
329 done
330 toplevel=$(pwd)
332 # dup stdin so that it can be restored when running the external
334 # command in the subshell (and a recursive call to this function)
335 exec 3<&0
336 {
338 git submodule--helper list --prefix "$wt_prefix" ||
339 echo "#unmatched" $?
340 } |
341 while read -r mode sha1 stage sm_path
342 do
343 die_if_unmatched "$mode" "$sha1"
344 if test -e "$sm_path"/.git
345 then
346 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
347 say "$(eval_gettext "Entering '\$displaypath'")"
348 name=$(git submodule--helper name "$sm_path")
349 (
350 prefix="$prefix$sm_path/"
351 sanitize_submodule_env
352 cd "$sm_path" &&
353 sm_path=$(git submodule--helper relative-path "$sm_path" "$wt_prefix") &&
354 # we make $path available to scripts ...
355 path=$sm_path &&
356 if test $# -eq 1
357 then
358 eval "$1"
359 else
360 "$@"
361 fi &&
362 if test -n "$recursive"
363 then
364 cmd_foreach "--recursive" "$@"
365 fi
366 ) <&3 3<&- ||
367 die "$(eval_gettext "Stopping at '\$displaypath'; script returned non-zero status.")"
368 fi
369 done
370}
371#
373# Register submodules in .git/config
374#
375# $@ = requested paths (default to all)
376#
377cmd_init()
378{
379 # parse $args after "submodule ... init".
380 while test $# -ne 0
381 do
382 case "$1" in
383 -q|--quiet)
384 GIT_QUIET=1
385 ;;
386 --)
387 shift
388 break
389 ;;
390 -*)
391 usage
392 ;;
393 *)
394 break
395 ;;
396 esac
397 shift
398 done
399 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper init ${GIT_QUIET:+--quiet} "$@"
401}
402#
404# Unregister submodules from .git/config and remove their work tree
405#
406cmd_deinit()
407{
408 # parse $args after "submodule ... deinit".
409 deinit_all=
410 while test $# -ne 0
411 do
412 case "$1" in
413 -f|--force)
414 force=$1
415 ;;
416 -q|--quiet)
417 GIT_QUIET=1
418 ;;
419 --all)
420 deinit_all=t
421 ;;
422 --)
423 shift
424 break
425 ;;
426 -*)
427 usage
428 ;;
429 *)
430 break
431 ;;
432 esac
433 shift
434 done
435 git ${wt_prefix:+-C "$wt_prefix"} submodule--helper deinit ${GIT_QUIET:+--quiet} ${prefix:+--prefix "$prefix"} ${force:+--force} ${deinit_all:+--all} "$@"
437}
438is_tip_reachable () (
440 sanitize_submodule_env &&
441 cd "$1" &&
442 rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) &&
443 test -z "$rev"
444)
445fetch_in_submodule () (
447 sanitize_submodule_env &&
448 cd "$1" &&
449 case "$2" in
450 '')
451 git fetch ;;
452 *)
453 shift
454 git fetch $(get_default_remote) "$@" ;;
455 esac
456)
457#
459# Update each submodule path to correct revision, using clone and checkout as needed
460#
461# $@ = requested paths (default to all)
462#
463cmd_update()
464{
465 # parse $args after "submodule ... update".
466 while test $# -ne 0
467 do
468 case "$1" in
469 -q|--quiet)
470 GIT_QUIET=1
471 ;;
472 --progress)
473 progress="--progress"
474 ;;
475 -i|--init)
476 init=1
477 ;;
478 --remote)
479 remote=1
480 ;;
481 -N|--no-fetch)
482 nofetch=1
483 ;;
484 -f|--force)
485 force=$1
486 ;;
487 -r|--rebase)
488 update="rebase"
489 ;;
490 --reference)
491 case "$2" in '') usage ;; esac
492 reference="--reference=$2"
493 shift
494 ;;
495 --reference=*)
496 reference="$1"
497 ;;
498 -m|--merge)
499 update="merge"
500 ;;
501 --recursive)
502 recursive=1
503 ;;
504 --checkout)
505 update="checkout"
506 ;;
507 --recommend-shallow)
508 recommend_shallow="--recommend-shallow"
509 ;;
510 --no-recommend-shallow)
511 recommend_shallow="--no-recommend-shallow"
512 ;;
513 --depth)
514 case "$2" in '') usage ;; esac
515 depth="--depth=$2"
516 shift
517 ;;
518 --depth=*)
519 depth=$1
520 ;;
521 -j|--jobs)
522 case "$2" in '') usage ;; esac
523 jobs="--jobs=$2"
524 shift
525 ;;
526 --jobs=*)
527 jobs=$1
528 ;;
529 --)
530 shift
531 break
532 ;;
533 -*)
534 usage
535 ;;
536 *)
537 break
538 ;;
539 esac
540 shift
541 done
542 if test -n "$init"
544 then
545 cmd_init "--" "$@" || return
546 fi
547 {
549 git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
550 ${progress:+"$progress"} \
551 ${wt_prefix:+--prefix "$wt_prefix"} \
552 ${prefix:+--recursive-prefix "$prefix"} \
553 ${update:+--update "$update"} \
554 ${reference:+"$reference"} \
555 ${depth:+--depth "$depth"} \
556 ${recommend_shallow:+"$recommend_shallow"} \
557 ${jobs:+$jobs} \
558 "$@" || echo "#unmatched" $?
559 } | {
560 err=
561 while read -r mode sha1 stage just_cloned sm_path
562 do
563 die_if_unmatched "$mode" "$sha1"
564 name=$(git submodule--helper name "$sm_path") || exit
566 if ! test -z "$update"
567 then
568 update_module=$update
569 else
570 update_module=$(git config submodule."$name".update)
571 if test -z "$update_module"
572 then
573 update_module="checkout"
574 fi
575 fi
576 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
578 if test $just_cloned -eq 1
580 then
581 subsha1=
582 case "$update_module" in
583 merge | rebase | none)
584 update_module=checkout ;;
585 esac
586 else
587 subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
588 git rev-parse --verify HEAD) ||
589 die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
590 fi
591 if test -n "$remote"
593 then
594 branch=$(git submodule--helper remote-branch "$sm_path")
595 if test -z "$nofetch"
596 then
597 # Fetch remote before determining tracking $sha1
598 fetch_in_submodule "$sm_path" $depth ||
599 die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
600 fi
601 remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote)
602 sha1=$(sanitize_submodule_env; cd "$sm_path" &&
603 git rev-parse --verify "${remote_name}/${branch}") ||
604 die "$(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")"
605 fi
606 if test "$subsha1" != "$sha1" || test -n "$force"
608 then
609 subforce=$force
610 # If we don't already have a -f flag and the submodule has never been checked out
611 if test -z "$subsha1" && test -z "$force"
612 then
613 subforce="-f"
614 fi
615 if test -z "$nofetch"
617 then
618 # Run fetch only if $sha1 isn't present or it
619 # is not reachable from a ref.
620 is_tip_reachable "$sm_path" "$sha1" ||
621 fetch_in_submodule "$sm_path" $depth ||
622 die "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
623 # Now we tried the usual fetch, but $sha1 may
625 # not be reachable from any of the refs
626 is_tip_reachable "$sm_path" "$sha1" ||
627 fetch_in_submodule "$sm_path" $depth "$sha1" ||
628 die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
629 fi
630 must_die_on_failure=
632 case "$update_module" in
633 checkout)
634 command="git checkout $subforce -q"
635 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
636 say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
637 ;;
638 rebase)
639 command="git rebase"
640 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
641 say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
642 must_die_on_failure=yes
643 ;;
644 merge)
645 command="git merge"
646 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
647 say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
648 must_die_on_failure=yes
649 ;;
650 !*)
651 command="${update_module#!}"
652 die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
653 say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
654 must_die_on_failure=yes
655 ;;
656 *)
657 die "$(eval_gettext "Invalid update mode '$update_module' for submodule '$name'")"
658 esac
659 if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
661 then
662 say "$say_msg"
663 elif test -n "$must_die_on_failure"
664 then
665 die_with_status 2 "$die_msg"
666 else
667 err="${err};$die_msg"
668 continue
669 fi
670 fi
671 if test -n "$recursive"
673 then
674 (
675 prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix")
676 wt_prefix=
677 sanitize_submodule_env
678 cd "$sm_path" &&
679 eval cmd_update
680 )
681 res=$?
682 if test $res -gt 0
683 then
684 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")"
685 if test $res -ne 2
686 then
687 err="${err};$die_msg"
688 continue
689 else
690 die_with_status $res "$die_msg"
691 fi
692 fi
693 fi
694 done
695 if test -n "$err"
697 then
698 OIFS=$IFS
699 IFS=';'
700 for e in $err
701 do
702 if test -n "$e"
703 then
704 echo >&2 "$e"
705 fi
706 done
707 IFS=$OIFS
708 exit 1
709 fi
710 }
711}
712#
714# Show commit summary for submodules in index or working tree
715#
716# If '--cached' is given, show summary between index and given commit,
717# or between working tree and given commit
718#
719# $@ = [commit (default 'HEAD'),] requested paths (default all)
720#
721cmd_summary() {
722 summary_limit=-1
723 for_status=
724 diff_cmd=diff-index
725 # parse $args after "submodule ... summary".
727 while test $# -ne 0
728 do
729 case "$1" in
730 --cached)
731 cached="$1"
732 ;;
733 --files)
734 files="$1"
735 ;;
736 --for-status)
737 for_status="$1"
738 ;;
739 -n|--summary-limit)
740 summary_limit="$2"
741 isnumber "$summary_limit" || usage
742 shift
743 ;;
744 --summary-limit=*)
745 summary_limit="${1#--summary-limit=}"
746 isnumber "$summary_limit" || usage
747 ;;
748 --)
749 shift
750 break
751 ;;
752 -*)
753 usage
754 ;;
755 *)
756 break
757 ;;
758 esac
759 shift
760 done
761 test $summary_limit = 0 && return
763 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
765 then
766 head=$rev
767 test $# = 0 || shift
768 elif test -z "$1" || test "$1" = "HEAD"
769 then
770 # before the first commit: compare with an empty tree
771 head=$(git hash-object -w -t tree --stdin </dev/null)
772 test -z "$1" || shift
773 else
774 head="HEAD"
775 fi
776 if [ -n "$files" ]
778 then
779 test -n "$cached" &&
780 die "$(gettext "The --cached option cannot be used with the --files option")"
781 diff_cmd=diff-files
782 head=
783 fi
784 cd_to_toplevel
786 eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
787 # Get modified modules cared by user
788 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
789 sane_egrep '^:([0-7]* )?160000' |
790 while read -r mod_src mod_dst sha1_src sha1_dst status sm_path
791 do
792 # Always show modules deleted or type-changed (blob<->module)
793 if test "$status" = D || test "$status" = T
794 then
795 printf '%s\n' "$sm_path"
796 continue
797 fi
798 # Respect the ignore setting for --for-status.
799 if test -n "$for_status"
800 then
801 name=$(git submodule--helper name "$sm_path")
802 ignore_config=$(get_submodule_config "$name" ignore none)
803 test $status != A && test $ignore_config = all && continue
804 fi
805 # Also show added or modified modules which are checked out
806 GIT_DIR="$sm_path/.git" git rev-parse --git-dir >/dev/null 2>&1 &&
807 printf '%s\n' "$sm_path"
808 done
809 )
810 test -z "$modules" && return
812 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
814 sane_egrep '^:([0-7]* )?160000' |
815 cut -c2- |
816 while read -r mod_src mod_dst sha1_src sha1_dst status name
817 do
818 if test -z "$cached" &&
819 test $sha1_dst = 0000000000000000000000000000000000000000
820 then
821 case "$mod_dst" in
822 160000)
823 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
824 ;;
825 100644 | 100755 | 120000)
826 sha1_dst=$(git hash-object $name)
827 ;;
828 000000)
829 ;; # removed
830 *)
831 # unexpected type
832 eval_gettextln "unexpected mode \$mod_dst" >&2
833 continue ;;
834 esac
835 fi
836 missing_src=
837 missing_dst=
838 test $mod_src = 160000 &&
840 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_src^0 >/dev/null &&
841 missing_src=t
842 test $mod_dst = 160000 &&
844 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_dst^0 >/dev/null &&
845 missing_dst=t
846 display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
848 total_commits=
850 case "$missing_src,$missing_dst" in
851 t,)
852 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")"
853 ;;
854 ,t)
855 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")"
856 ;;
857 t,t)
858 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")"
859 ;;
860 *)
861 errmsg=
862 total_commits=$(
863 if test $mod_src = 160000 && test $mod_dst = 160000
864 then
865 range="$sha1_src...$sha1_dst"
866 elif test $mod_src = 160000
867 then
868 range=$sha1_src
869 else
870 range=$sha1_dst
871 fi
872 GIT_DIR="$name/.git" \
873 git rev-list --first-parent $range -- | wc -l
874 )
875 total_commits=" ($(($total_commits + 0)))"
876 ;;
877 esac
878 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
880 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
881 if test $status = T
882 then
883 blob="$(gettext "blob")"
884 submodule="$(gettext "submodule")"
885 if test $mod_dst = 160000
886 then
887 echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
888 else
889 echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
890 fi
891 else
892 echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
893 fi
894 if test -n "$errmsg"
895 then
896 # Don't give error msg for modification whose dst is not submodule
897 # i.e. deleted or changed to blob
898 test $mod_dst = 160000 && echo "$errmsg"
899 else
900 if test $mod_src = 160000 && test $mod_dst = 160000
901 then
902 limit=
903 test $summary_limit -gt 0 && limit="-$summary_limit"
904 GIT_DIR="$name/.git" \
905 git log $limit --pretty='format: %m %s' \
906 --first-parent $sha1_src...$sha1_dst
907 elif test $mod_dst = 160000
908 then
909 GIT_DIR="$name/.git" \
910 git log --pretty='format: > %s' -1 $sha1_dst
911 else
912 GIT_DIR="$name/.git" \
913 git log --pretty='format: < %s' -1 $sha1_src
914 fi
915 echo
916 fi
917 echo
918 done
919}
920#
921# List all submodules, prefixed with:
922# - submodule not initialized
923# + different revision checked out
924#
925# If --cached was specified the revision in the index will be printed
926# instead of the currently checked out revision.
927#
928# $@ = requested paths (default to all)
929#
930cmd_status()
931{
932 # parse $args after "submodule ... status".
933 while test $# -ne 0
934 do
935 case "$1" in
936 -q|--quiet)
937 GIT_QUIET=1
938 ;;
939 --cached)
940 cached=1
941 ;;
942 --recursive)
943 recursive=1
944 ;;
945 --)
946 shift
947 break
948 ;;
949 -*)
950 usage
951 ;;
952 *)
953 break
954 ;;
955 esac
956 shift
957 done
958 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} "$@"
960}
961#
962# Sync remote urls for submodules
963# This makes the value for remote.$remote.url match the value
964# specified in .gitmodules.
965#
966cmd_sync()
967{
968 while test $# -ne 0
969 do
970 case "$1" in
971 -q|--quiet)
972 GIT_QUIET=1
973 shift
974 ;;
975 --recursive)
976 recursive=1
977 shift
978 ;;
979 --)
980 shift
981 break
982 ;;
983 -*)
984 usage
985 ;;
986 *)
987 break
988 ;;
989 esac
990 done
991 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
993}
994cmd_absorbgitdirs()
996{
997 git submodule--helper absorb-git-dirs --prefix "$wt_prefix" "$@"
998}
999# This loop parses the command line arguments to find the
1001# subcommand name to dispatch. Parsing of the subcommand specific
1002# options are primarily done by the subcommand implementations.
1003# Subcommand specific options such as --branch and --cached are
1004# parsed here as well, for backward compatibility.
1005while test $# != 0 && test -z "$command"
1007do
1008 case "$1" in
1009 add | foreach | init | deinit | update | status | summary | sync | absorbgitdirs)
1010 command=$1
1011 ;;
1012 -q|--quiet)
1013 GIT_QUIET=1
1014 ;;
1015 -b|--branch)
1016 case "$2" in
1017 '')
1018 usage
1019 ;;
1020 esac
1021 branch="$2"; shift
1022 ;;
1023 --cached)
1024 cached="$1"
1025 ;;
1026 --)
1027 break
1028 ;;
1029 -*)
1030 usage
1031 ;;
1032 *)
1033 break
1034 ;;
1035 esac
1036 shift
1037done
1038# No command word defaults to "status"
1040if test -z "$command"
1041then
1042 if test $# = 0
1043 then
1044 command=status
1045 else
1046 usage
1047 fi
1048fi
1049# "-b branch" is accepted only by "add"
1051if test -n "$branch" && test "$command" != add
1052then
1053 usage
1054fi
1055# "--cached" is accepted only by "status" and "summary"
1057if test -n "$cached" && test "$command" != status && test "$command" != summary
1058then
1059 usage
1060fi
1061"cmd_$command" "$@"