1#!/bin/sh
2#
3# git-submodule.sh: add, init, update or list git submodules
4#
5# Copyright (c) 2007 Lars Hjemli
6
7dashless=$(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
25# 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
29
30command=
31branch=
32force=
33reference=
34cached=
35recursive=
36init=
37files=
38remote=
39nofetch=
40update=
41prefix=
42custom_name=
43depth=
44progress=
45
46die_if_unmatched ()
47{
48 if test "$1" = "#unmatched"
49 then
50 exit ${2:-1}
51 fi
52}
53
54#
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}
78
79isnumber()
80{
81 n=$(($1 + 0)) 2>/dev/null && test "$n" = "$1"
82}
83
84# Sanitize the local git environment for use within a submodule. We
85# can't simply use clear_local_git_env since we want to preserve some
86# of the settings from GIT_CONFIG_PARAMETERS.
87sanitize_submodule_env()
88{
89 save_config=$GIT_CONFIG_PARAMETERS
90 clear_local_git_env
91 GIT_CONFIG_PARAMETERS=$save_config
92 export GIT_CONFIG_PARAMETERS
93}
94
95#
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=$1
140 ;;
141 --)
142 shift
143 break
144 ;;
145 -*)
146 usage
147 ;;
148 *)
149 break
150 ;;
151 esac
152 shift
153 done
154
155 if test -n "$reference_path"
156 then
157 is_absolute_path "$reference_path" ||
158 reference_path="$wt_prefix$reference_path"
159
160 reference="--reference=$reference_path"
161 fi
162
163 repo=$1
164 sm_path=$2
165
166 if test -z "$sm_path"; then
167 sm_path=$(printf '%s\n' "$repo" |
168 sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
169 fi
170
171 if test -z "$repo" || test -z "$sm_path"; then
172 usage
173 fi
174
175 is_absolute_path "$sm_path" || sm_path="$wt_prefix$sm_path"
176
177 # assure repo is absolute or relative to parent
178 case "$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
183 # 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
195 # 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
216 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
225 if test -n "$custom_name"
226 then
227 sm_name="$custom_name"
228 else
229 sm_name="$sm_path"
230 fi
231
232 # perhaps the path exists and is already a git repo, else clone it
233 if test -e "$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 "$(eval_gettext "'\$sm_path' already exists and is not a valid git repo")"
240 fi
241
242 else
243 if test -d ".git/modules/$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
271 git add --no-warn-embedded-repo $force "$sm_path" ||
272 die "$(eval_gettext "Failed to add submodule '\$sm_path'")"
273
274 git config -f .gitmodules submodule."$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 "$(eval_gettext "Failed to register submodule '\$sm_path'")"
282
283 # NEEDSWORK: In a multi-working-tree world, this needs to be
284 # set in the per-worktree config.
285 if git config --get submodule.active >/dev/null
286 then
287 # If the submodule being adding isn't already covered by the
288 # current configured pathspec, set the submodule's active flag
289 if ! git submodule--helper is-active "$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
298#
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
326 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper foreach ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
327}
328
329#
330# Register submodules in .git/config
331#
332# $@ = requested paths (default to all)
333#
334cmd_init()
335{
336 # parse $args after "submodule ... init".
337 while test $# -ne 0
338 do
339 case "$1" in
340 -q|--quiet)
341 GIT_QUIET=1
342 ;;
343 --)
344 shift
345 break
346 ;;
347 -*)
348 usage
349 ;;
350 *)
351 break
352 ;;
353 esac
354 shift
355 done
356
357 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper init ${GIT_QUIET:+--quiet} "$@"
358}
359
360#
361# Unregister submodules from .git/config and remove their work tree
362#
363cmd_deinit()
364{
365 # parse $args after "submodule ... deinit".
366 deinit_all=
367 while test $# -ne 0
368 do
369 case "$1" in
370 -f|--force)
371 force=$1
372 ;;
373 -q|--quiet)
374 GIT_QUIET=1
375 ;;
376 --all)
377 deinit_all=t
378 ;;
379 --)
380 shift
381 break
382 ;;
383 -*)
384 usage
385 ;;
386 *)
387 break
388 ;;
389 esac
390 shift
391 done
392
393 git ${wt_prefix:+-C "$wt_prefix"} submodule--helper deinit ${GIT_QUIET:+--quiet} ${prefix:+--prefix "$prefix"} ${force:+--force} ${deinit_all:+--all} "$@"
394}
395
396is_tip_reachable () (
397 sanitize_submodule_env &&
398 cd "$1" &&
399 rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) &&
400 test -z "$rev"
401)
402
403fetch_in_submodule () (
404 sanitize_submodule_env &&
405 cd "$1" &&
406 case "$2" in
407 '')
408 git fetch ;;
409 *)
410 shift
411 git fetch $(get_default_remote) "$@" ;;
412 esac
413)
414
415#
416# Update each submodule path to correct revision, using clone and checkout as needed
417#
418# $@ = requested paths (default to all)
419#
420cmd_update()
421{
422 # parse $args after "submodule ... update".
423 while test $# -ne 0
424 do
425 case "$1" in
426 -q|--quiet)
427 GIT_QUIET=1
428 ;;
429 --progress)
430 progress="--progress"
431 ;;
432 -i|--init)
433 init=1
434 ;;
435 --remote)
436 remote=1
437 ;;
438 -N|--no-fetch)
439 nofetch=1
440 ;;
441 -f|--force)
442 force=$1
443 ;;
444 -r|--rebase)
445 update="rebase"
446 ;;
447 --reference)
448 case "$2" in '') usage ;; esac
449 reference="--reference=$2"
450 shift
451 ;;
452 --reference=*)
453 reference="$1"
454 ;;
455 -m|--merge)
456 update="merge"
457 ;;
458 --recursive)
459 recursive=1
460 ;;
461 --checkout)
462 update="checkout"
463 ;;
464 --recommend-shallow)
465 recommend_shallow="--recommend-shallow"
466 ;;
467 --no-recommend-shallow)
468 recommend_shallow="--no-recommend-shallow"
469 ;;
470 --depth)
471 case "$2" in '') usage ;; esac
472 depth="--depth=$2"
473 shift
474 ;;
475 --depth=*)
476 depth=$1
477 ;;
478 -j|--jobs)
479 case "$2" in '') usage ;; esac
480 jobs="--jobs=$2"
481 shift
482 ;;
483 --jobs=*)
484 jobs=$1
485 ;;
486 --)
487 shift
488 break
489 ;;
490 -*)
491 usage
492 ;;
493 *)
494 break
495 ;;
496 esac
497 shift
498 done
499
500 if test -n "$init"
501 then
502 cmd_init "--" "$@" || return
503 fi
504
505 {
506 git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
507 ${progress:+"$progress"} \
508 ${wt_prefix:+--prefix "$wt_prefix"} \
509 ${prefix:+--recursive-prefix "$prefix"} \
510 ${update:+--update "$update"} \
511 ${reference:+"$reference"} \
512 ${depth:+--depth "$depth"} \
513 ${recommend_shallow:+"$recommend_shallow"} \
514 ${jobs:+$jobs} \
515 "$@" || echo "#unmatched" $?
516 } | {
517 err=
518 while read -r mode sha1 stage just_cloned sm_path
519 do
520 die_if_unmatched "$mode" "$sha1"
521
522 name=$(git submodule--helper name "$sm_path") || exit
523 if ! test -z "$update"
524 then
525 update_module=$update
526 else
527 update_module=$(git config submodule."$name".update)
528 if test -z "$update_module"
529 then
530 update_module="checkout"
531 fi
532 fi
533
534 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
535
536 if test $just_cloned -eq 1
537 then
538 subsha1=
539 case "$update_module" in
540 merge | rebase | none)
541 update_module=checkout ;;
542 esac
543 else
544 subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
545 git rev-parse --verify HEAD) ||
546 die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
547 fi
548
549 if test -n "$remote"
550 then
551 branch=$(git submodule--helper remote-branch "$sm_path")
552 if test -z "$nofetch"
553 then
554 # Fetch remote before determining tracking $sha1
555 fetch_in_submodule "$sm_path" $depth ||
556 die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
557 fi
558 remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote)
559 sha1=$(sanitize_submodule_env; cd "$sm_path" &&
560 git rev-parse --verify "${remote_name}/${branch}") ||
561 die "$(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")"
562 fi
563
564 if test "$subsha1" != "$sha1" || test -n "$force"
565 then
566 subforce=$force
567 # If we don't already have a -f flag and the submodule has never been checked out
568 if test -z "$subsha1" && test -z "$force"
569 then
570 subforce="-f"
571 fi
572
573 if test -z "$nofetch"
574 then
575 # Run fetch only if $sha1 isn't present or it
576 # is not reachable from a ref.
577 is_tip_reachable "$sm_path" "$sha1" ||
578 fetch_in_submodule "$sm_path" $depth ||
579 die "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
580
581 # Now we tried the usual fetch, but $sha1 may
582 # not be reachable from any of the refs
583 is_tip_reachable "$sm_path" "$sha1" ||
584 fetch_in_submodule "$sm_path" $depth "$sha1" ||
585 die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
586 fi
587
588 must_die_on_failure=
589 case "$update_module" in
590 checkout)
591 command="git checkout $subforce -q"
592 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
593 say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
594 ;;
595 rebase)
596 command="git rebase"
597 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
598 say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
599 must_die_on_failure=yes
600 ;;
601 merge)
602 command="git merge"
603 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
604 say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
605 must_die_on_failure=yes
606 ;;
607 !*)
608 command="${update_module#!}"
609 die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
610 say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
611 must_die_on_failure=yes
612 ;;
613 *)
614 die "$(eval_gettext "Invalid update mode '$update_module' for submodule '$name'")"
615 esac
616
617 if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
618 then
619 say "$say_msg"
620 elif test -n "$must_die_on_failure"
621 then
622 die_with_status 2 "$die_msg"
623 else
624 err="${err};$die_msg"
625 continue
626 fi
627 fi
628
629 if test -n "$recursive"
630 then
631 (
632 prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix")
633 wt_prefix=
634 sanitize_submodule_env
635 cd "$sm_path" &&
636 eval cmd_update
637 )
638 res=$?
639 if test $res -gt 0
640 then
641 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")"
642 if test $res -ne 2
643 then
644 err="${err};$die_msg"
645 continue
646 else
647 die_with_status $res "$die_msg"
648 fi
649 fi
650 fi
651 done
652
653 if test -n "$err"
654 then
655 OIFS=$IFS
656 IFS=';'
657 for e in $err
658 do
659 if test -n "$e"
660 then
661 echo >&2 "$e"
662 fi
663 done
664 IFS=$OIFS
665 exit 1
666 fi
667 }
668}
669
670#
671# Show commit summary for submodules in index or working tree
672#
673# If '--cached' is given, show summary between index and given commit,
674# or between working tree and given commit
675#
676# $@ = [commit (default 'HEAD'),] requested paths (default all)
677#
678cmd_summary() {
679 summary_limit=-1
680 for_status=
681 diff_cmd=diff-index
682
683 # parse $args after "submodule ... summary".
684 while test $# -ne 0
685 do
686 case "$1" in
687 --cached)
688 cached="$1"
689 ;;
690 --files)
691 files="$1"
692 ;;
693 --for-status)
694 for_status="$1"
695 ;;
696 -n|--summary-limit)
697 summary_limit="$2"
698 isnumber "$summary_limit" || usage
699 shift
700 ;;
701 --summary-limit=*)
702 summary_limit="${1#--summary-limit=}"
703 isnumber "$summary_limit" || usage
704 ;;
705 --)
706 shift
707 break
708 ;;
709 -*)
710 usage
711 ;;
712 *)
713 break
714 ;;
715 esac
716 shift
717 done
718
719 test $summary_limit = 0 && return
720
721 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
722 then
723 head=$rev
724 test $# = 0 || shift
725 elif test -z "$1" || test "$1" = "HEAD"
726 then
727 # before the first commit: compare with an empty tree
728 head=$(git hash-object -w -t tree --stdin </dev/null)
729 test -z "$1" || shift
730 else
731 head="HEAD"
732 fi
733
734 if [ -n "$files" ]
735 then
736 test -n "$cached" &&
737 die "$(gettext "The --cached option cannot be used with the --files option")"
738 diff_cmd=diff-files
739 head=
740 fi
741
742 cd_to_toplevel
743 eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
744 # Get modified modules cared by user
745 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
746 sane_egrep '^:([0-7]* )?160000' |
747 while read -r mod_src mod_dst sha1_src sha1_dst status sm_path
748 do
749 # Always show modules deleted or type-changed (blob<->module)
750 if test "$status" = D || test "$status" = T
751 then
752 printf '%s\n' "$sm_path"
753 continue
754 fi
755 # Respect the ignore setting for --for-status.
756 if test -n "$for_status"
757 then
758 name=$(git submodule--helper name "$sm_path")
759 ignore_config=$(get_submodule_config "$name" ignore none)
760 test $status != A && test $ignore_config = all && continue
761 fi
762 # Also show added or modified modules which are checked out
763 GIT_DIR="$sm_path/.git" git rev-parse --git-dir >/dev/null 2>&1 &&
764 printf '%s\n' "$sm_path"
765 done
766 )
767
768 test -z "$modules" && return
769
770 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
771 sane_egrep '^:([0-7]* )?160000' |
772 cut -c2- |
773 while read -r mod_src mod_dst sha1_src sha1_dst status name
774 do
775 if test -z "$cached" &&
776 test $sha1_dst = 0000000000000000000000000000000000000000
777 then
778 case "$mod_dst" in
779 160000)
780 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
781 ;;
782 100644 | 100755 | 120000)
783 sha1_dst=$(git hash-object $name)
784 ;;
785 000000)
786 ;; # removed
787 *)
788 # unexpected type
789 eval_gettextln "unexpected mode \$mod_dst" >&2
790 continue ;;
791 esac
792 fi
793 missing_src=
794 missing_dst=
795
796 test $mod_src = 160000 &&
797 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_src^0 >/dev/null &&
798 missing_src=t
799
800 test $mod_dst = 160000 &&
801 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_dst^0 >/dev/null &&
802 missing_dst=t
803
804 display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
805
806 total_commits=
807 case "$missing_src,$missing_dst" in
808 t,)
809 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")"
810 ;;
811 ,t)
812 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")"
813 ;;
814 t,t)
815 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")"
816 ;;
817 *)
818 errmsg=
819 total_commits=$(
820 if test $mod_src = 160000 && test $mod_dst = 160000
821 then
822 range="$sha1_src...$sha1_dst"
823 elif test $mod_src = 160000
824 then
825 range=$sha1_src
826 else
827 range=$sha1_dst
828 fi
829 GIT_DIR="$name/.git" \
830 git rev-list --first-parent $range -- | wc -l
831 )
832 total_commits=" ($(($total_commits + 0)))"
833 ;;
834 esac
835
836 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
837 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
838 if test $status = T
839 then
840 blob="$(gettext "blob")"
841 submodule="$(gettext "submodule")"
842 if test $mod_dst = 160000
843 then
844 echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
845 else
846 echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
847 fi
848 else
849 echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
850 fi
851 if test -n "$errmsg"
852 then
853 # Don't give error msg for modification whose dst is not submodule
854 # i.e. deleted or changed to blob
855 test $mod_dst = 160000 && echo "$errmsg"
856 else
857 if test $mod_src = 160000 && test $mod_dst = 160000
858 then
859 limit=
860 test $summary_limit -gt 0 && limit="-$summary_limit"
861 GIT_DIR="$name/.git" \
862 git log $limit --pretty='format: %m %s' \
863 --first-parent $sha1_src...$sha1_dst
864 elif test $mod_dst = 160000
865 then
866 GIT_DIR="$name/.git" \
867 git log --pretty='format: > %s' -1 $sha1_dst
868 else
869 GIT_DIR="$name/.git" \
870 git log --pretty='format: < %s' -1 $sha1_src
871 fi
872 echo
873 fi
874 echo
875 done
876}
877#
878# List all submodules, prefixed with:
879# - submodule not initialized
880# + different revision checked out
881#
882# If --cached was specified the revision in the index will be printed
883# instead of the currently checked out revision.
884#
885# $@ = requested paths (default to all)
886#
887cmd_status()
888{
889 # parse $args after "submodule ... status".
890 while test $# -ne 0
891 do
892 case "$1" in
893 -q|--quiet)
894 GIT_QUIET=1
895 ;;
896 --cached)
897 cached=1
898 ;;
899 --recursive)
900 recursive=1
901 ;;
902 --)
903 shift
904 break
905 ;;
906 -*)
907 usage
908 ;;
909 *)
910 break
911 ;;
912 esac
913 shift
914 done
915
916 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} "$@"
917}
918#
919# Sync remote urls for submodules
920# This makes the value for remote.$remote.url match the value
921# specified in .gitmodules.
922#
923cmd_sync()
924{
925 while test $# -ne 0
926 do
927 case "$1" in
928 -q|--quiet)
929 GIT_QUIET=1
930 shift
931 ;;
932 --recursive)
933 recursive=1
934 shift
935 ;;
936 --)
937 shift
938 break
939 ;;
940 -*)
941 usage
942 ;;
943 *)
944 break
945 ;;
946 esac
947 done
948
949 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
950}
951
952cmd_absorbgitdirs()
953{
954 git submodule--helper absorb-git-dirs --prefix "$wt_prefix" "$@"
955}
956
957# This loop parses the command line arguments to find the
958# subcommand name to dispatch. Parsing of the subcommand specific
959# options are primarily done by the subcommand implementations.
960# Subcommand specific options such as --branch and --cached are
961# parsed here as well, for backward compatibility.
962
963while test $# != 0 && test -z "$command"
964do
965 case "$1" in
966 add | foreach | init | deinit | update | status | summary | sync | absorbgitdirs)
967 command=$1
968 ;;
969 -q|--quiet)
970 GIT_QUIET=1
971 ;;
972 -b|--branch)
973 case "$2" in
974 '')
975 usage
976 ;;
977 esac
978 branch="$2"; shift
979 ;;
980 --cached)
981 cached="$1"
982 ;;
983 --)
984 break
985 ;;
986 -*)
987 usage
988 ;;
989 *)
990 break
991 ;;
992 esac
993 shift
994done
995
996# No command word defaults to "status"
997if test -z "$command"
998then
999 if test $# = 0
1000 then
1001 command=status
1002 else
1003 usage
1004 fi
1005fi
1006
1007# "-b branch" is accepted only by "add"
1008if test -n "$branch" && test "$command" != add
1009then
1010 usage
1011fi
1012
1013# "--cached" is accepted only by "status" and "summary"
1014if test -n "$cached" && test "$command" != status && test "$command" != summary
1015then
1016 usage
1017fi
1018
1019"cmd_$command" "$@"