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] [--cached]
9 or: $dashless [--quiet] add [-b <branch>] [-f|--force] [--name <name>] [--reference <repository>] [--] <repository> [<path>]
10 or: $dashless [--quiet] status [--cached] [--recursive] [--] [<path>...]
11 or: $dashless [--quiet] init [--] [<path>...]
12 or: $dashless [--quiet] deinit [-f|--force] (--all| [--] <path>...)
13 or: $dashless [--quiet] update [--init] [--remote] [-N|--no-fetch] [-f|--force] [--checkout|--merge|--rebase] [--[no-]recommend-shallow] [--reference <repository>] [--recursive] [--] [<path>...]
14 or: $dashless [--quiet] summary [--cached|--files] [--summary-limit <n>] [commit] [--] [<path>...]
15 or: $dashless [--quiet] foreach [--recursive] <command>
16 or: $dashless [--quiet] sync [--recursive] [--] [<path>...]
17 or: $dashless [--quiet] absorbgitdirs [--] [<path>...]"
18OPTIONS_SPEC=
19SUBDIRECTORY_OK=Yes
20. git-sh-setup
21. git-parse-remote
22require_work_tree
23wt_prefix=$(git rev-parse --show-prefix)
24cd_to_toplevel
25# Tell the rest of git that any URLs we get don't come
27# directly from the user, so it can apply policy as appropriate.
28GIT_PROTOCOL_FROM_USER=0
29export GIT_PROTOCOL_FROM_USER
30command=
32branch=
33force=
34reference=
35cached=
36recursive=
37init=
38files=
39remote=
40nofetch=
41update=
42prefix=
43custom_name=
44depth=
45progress=
46dissociate=
47die_if_unmatched ()
49{
50 if test "$1" = "#unmatched"
51 then
52 exit ${2:-1}
53 fi
54}
55#
57# Print a submodule configuration setting
58#
59# $1 = submodule name
60# $2 = option name
61# $3 = default value
62#
63# Checks in the usual git-config places first (for overrides),
64# otherwise it falls back on .gitmodules. This allows you to
65# distribute project-wide defaults in .gitmodules, while still
66# customizing individual repositories if necessary. If the option is
67# not in .gitmodules either, print a default value.
68#
69get_submodule_config () {
70 name="$1"
71 option="$2"
72 default="$3"
73 value=$(git config submodule."$name"."$option")
74 if test -z "$value"
75 then
76 value=$(git submodule--helper config submodule."$name"."$option")
77 fi
78 printf '%s' "${value:-$default}"
79}
80isnumber()
82{
83 n=$(($1 + 0)) 2>/dev/null && test "$n" = "$1"
84}
85# Given a full hex object ID, is this the zero OID?
87is_zero_oid () {
88 echo "$1" | sane_egrep '^0+$' >/dev/null 2>&1
89}
90# Sanitize the local git environment for use within a submodule. We
92# can't simply use clear_local_git_env since we want to preserve some
93# of the settings from GIT_CONFIG_PARAMETERS.
94sanitize_submodule_env()
95{
96 save_config=$GIT_CONFIG_PARAMETERS
97 clear_local_git_env
98 GIT_CONFIG_PARAMETERS=$save_config
99 export GIT_CONFIG_PARAMETERS
100}
101#
103# Add a new submodule to the working tree, .gitmodules and the index
104#
105# $@ = repo path
106#
107# optional branch is stored in global branch variable
108#
109cmd_add()
110{
111 # parse $args after "submodule ... add".
112 reference_path=
113 while test $# -ne 0
114 do
115 case "$1" in
116 -b | --branch)
117 case "$2" in '') usage ;; esac
118 branch=$2
119 shift
120 ;;
121 -f | --force)
122 force=$1
123 ;;
124 -q|--quiet)
125 GIT_QUIET=1
126 ;;
127 --progress)
128 progress=1
129 ;;
130 --reference)
131 case "$2" in '') usage ;; esac
132 reference_path=$2
133 shift
134 ;;
135 --reference=*)
136 reference_path="${1#--reference=}"
137 ;;
138 --dissociate)
139 dissociate=1
140 ;;
141 --name)
142 case "$2" in '') usage ;; esac
143 custom_name=$2
144 shift
145 ;;
146 --depth)
147 case "$2" in '') usage ;; esac
148 depth="--depth=$2"
149 shift
150 ;;
151 --depth=*)
152 depth=$1
153 ;;
154 --)
155 shift
156 break
157 ;;
158 -*)
159 usage
160 ;;
161 *)
162 break
163 ;;
164 esac
165 shift
166 done
167 if ! git submodule--helper config --check-writeable >/dev/null 2>&1
169 then
170 die "$(eval_gettext "please make sure that the .gitmodules file is in the working tree")"
171 fi
172 if test -n "$reference_path"
174 then
175 is_absolute_path "$reference_path" ||
176 reference_path="$wt_prefix$reference_path"
177 reference="--reference=$reference_path"
179 fi
180 repo=$1
182 sm_path=$2
183 if test -z "$sm_path"; then
185 sm_path=$(printf '%s\n' "$repo" |
186 sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
187 fi
188 if test -z "$repo" || test -z "$sm_path"; then
190 usage
191 fi
192 is_absolute_path "$sm_path" || sm_path="$wt_prefix$sm_path"
194 # assure repo is absolute or relative to parent
196 case "$repo" in
197 ./*|../*)
198 test -z "$wt_prefix" ||
199 die "$(gettext "Relative path can only be used from the toplevel of the working tree")"
200 # dereference source url relative to parent's url
202 realrepo=$(git submodule--helper resolve-relative-url "$repo") || exit
203 ;;
204 *:*|/*)
205 # absolute url
206 realrepo=$repo
207 ;;
208 *)
209 die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")"
210 ;;
211 esac
212 # normalize path:
214 # multiple //; leading ./; /./; /../; trailing /
215 sm_path=$(printf '%s/\n' "$sm_path" |
216 sed -e '
217 s|//*|/|g
218 s|^\(\./\)*||
219 s|/\(\./\)*|/|g
220 :start
221 s|\([^/]*\)/\.\./||
222 tstart
223 s|/*$||
224 ')
225 if test -z "$force"
226 then
227 git ls-files --error-unmatch "$sm_path" > /dev/null 2>&1 &&
228 die "$(eval_gettext "'\$sm_path' already exists in the index")"
229 else
230 git ls-files -s "$sm_path" | sane_grep -v "^160000" > /dev/null 2>&1 &&
231 die "$(eval_gettext "'\$sm_path' already exists in the index and is not a submodule")"
232 fi
233 if test -z "$force" &&
235 ! git add --dry-run --ignore-missing --no-warn-embedded-repo "$sm_path" > /dev/null 2>&1
236 then
237 eval_gettextln "The following path is ignored by one of your .gitignore files:
238\$sm_path
239Use -f if you really want to add it." >&2
240 exit 1
241 fi
242 if test -n "$custom_name"
244 then
245 sm_name="$custom_name"
246 else
247 sm_name="$sm_path"
248 fi
249 if ! git submodule--helper check-name "$sm_name"
251 then
252 die "$(eval_gettext "'$sm_name' is not a valid submodule name")"
253 fi
254 # perhaps the path exists and is already a git repo, else clone it
256 if test -e "$sm_path"
257 then
258 if test -d "$sm_path"/.git || test -f "$sm_path"/.git
259 then
260 eval_gettextln "Adding existing repo at '\$sm_path' to the index"
261 else
262 die "$(eval_gettext "'\$sm_path' already exists and is not a valid git repo")"
263 fi
264 else
266 if test -d ".git/modules/$sm_name"
267 then
268 if test -z "$force"
269 then
270 eval_gettextln >&2 "A git directory for '\$sm_name' is found locally with remote(s):"
271 GIT_DIR=".git/modules/$sm_name" GIT_WORK_TREE=. git remote -v | grep '(fetch)' | sed -e s,^," ", -e s,' (fetch)',, >&2
272 die "$(eval_gettextln "\
273If you want to reuse this local git directory instead of cloning again from
274 \$realrepo
275use the '--force' option. If the local git directory is not the correct repo
276or you are unsure what this means choose another name with the '--name' option.")"
277 else
278 eval_gettextln "Reactivating local git directory for submodule '\$sm_name'."
279 fi
280 fi
281 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
282 (
283 sanitize_submodule_env
284 cd "$sm_path" &&
285 # ash fails to wordsplit ${branch:+-b "$branch"...}
286 case "$branch" in
287 '') git checkout -f -q ;;
288 ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
289 esac
290 ) || die "$(eval_gettext "Unable to checkout submodule '\$sm_path'")"
291 fi
292 git config submodule."$sm_name".url "$realrepo"
293 git add --no-warn-embedded-repo $force "$sm_path" ||
295 die "$(eval_gettext "Failed to add submodule '\$sm_path'")"
296 git submodule--helper config submodule."$sm_name".path "$sm_path" &&
298 git submodule--helper config submodule."$sm_name".url "$repo" &&
299 if test -n "$branch"
300 then
301 git submodule--helper config submodule."$sm_name".branch "$branch"
302 fi &&
303 git add --force .gitmodules ||
304 die "$(eval_gettext "Failed to register submodule '\$sm_path'")"
305 # NEEDSWORK: In a multi-working-tree world, this needs to be
307 # set in the per-worktree config.
308 if git config --get submodule.active >/dev/null
309 then
310 # If the submodule being adding isn't already covered by the
311 # current configured pathspec, set the submodule's active flag
312 if ! git submodule--helper is-active "$sm_path"
313 then
314 git config submodule."$sm_name".active "true"
315 fi
316 else
317 git config submodule."$sm_name".active "true"
318 fi
319}
320#
322# Execute an arbitrary command sequence in each checked out
323# submodule
324#
325# $@ = command to execute
326#
327cmd_foreach()
328{
329 # parse $args after "submodule ... foreach".
330 while test $# -ne 0
331 do
332 case "$1" in
333 -q|--quiet)
334 GIT_QUIET=1
335 ;;
336 --recursive)
337 recursive=1
338 ;;
339 -*)
340 usage
341 ;;
342 *)
343 break
344 ;;
345 esac
346 shift
347 done
348 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper foreach ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
350}
351#
353# Register submodules in .git/config
354#
355# $@ = requested paths (default to all)
356#
357cmd_init()
358{
359 # parse $args after "submodule ... init".
360 while test $# -ne 0
361 do
362 case "$1" in
363 -q|--quiet)
364 GIT_QUIET=1
365 ;;
366 --)
367 shift
368 break
369 ;;
370 -*)
371 usage
372 ;;
373 *)
374 break
375 ;;
376 esac
377 shift
378 done
379 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper init ${GIT_QUIET:+--quiet} "$@"
381}
382#
384# Unregister submodules from .git/config and remove their work tree
385#
386cmd_deinit()
387{
388 # parse $args after "submodule ... deinit".
389 deinit_all=
390 while test $# -ne 0
391 do
392 case "$1" in
393 -f|--force)
394 force=$1
395 ;;
396 -q|--quiet)
397 GIT_QUIET=1
398 ;;
399 --all)
400 deinit_all=t
401 ;;
402 --)
403 shift
404 break
405 ;;
406 -*)
407 usage
408 ;;
409 *)
410 break
411 ;;
412 esac
413 shift
414 done
415 git ${wt_prefix:+-C "$wt_prefix"} submodule--helper deinit ${GIT_QUIET:+--quiet} ${prefix:+--prefix "$prefix"} ${force:+--force} ${deinit_all:+--all} "$@"
417}
418is_tip_reachable () (
420 sanitize_submodule_env &&
421 cd "$1" &&
422 rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) &&
423 test -z "$rev"
424)
425fetch_in_submodule () (
427 sanitize_submodule_env &&
428 cd "$1" &&
429 case "$2" in
430 '')
431 git fetch ;;
432 *)
433 shift
434 git fetch $(get_default_remote) "$@" ;;
435 esac
436)
437#
439# Update each submodule path to correct revision, using clone and checkout as needed
440#
441# $@ = requested paths (default to all)
442#
443cmd_update()
444{
445 # parse $args after "submodule ... update".
446 while test $# -ne 0
447 do
448 case "$1" in
449 -q|--quiet)
450 GIT_QUIET=1
451 ;;
452 -v)
453 GIT_QUIET=0
454 ;;
455 --progress)
456 progress=1
457 ;;
458 -i|--init)
459 init=1
460 ;;
461 --remote)
462 remote=1
463 ;;
464 -N|--no-fetch)
465 nofetch=1
466 ;;
467 -f|--force)
468 force=$1
469 ;;
470 -r|--rebase)
471 update="rebase"
472 ;;
473 --reference)
474 case "$2" in '') usage ;; esac
475 reference="--reference=$2"
476 shift
477 ;;
478 --reference=*)
479 reference="$1"
480 ;;
481 --dissociate)
482 dissociate=1
483 ;;
484 -m|--merge)
485 update="merge"
486 ;;
487 --recursive)
488 recursive=1
489 ;;
490 --checkout)
491 update="checkout"
492 ;;
493 --recommend-shallow)
494 recommend_shallow="--recommend-shallow"
495 ;;
496 --no-recommend-shallow)
497 recommend_shallow="--no-recommend-shallow"
498 ;;
499 --depth)
500 case "$2" in '') usage ;; esac
501 depth="--depth=$2"
502 shift
503 ;;
504 --depth=*)
505 depth=$1
506 ;;
507 -j|--jobs)
508 case "$2" in '') usage ;; esac
509 jobs="--jobs=$2"
510 shift
511 ;;
512 --jobs=*)
513 jobs=$1
514 ;;
515 --)
516 shift
517 break
518 ;;
519 -*)
520 usage
521 ;;
522 *)
523 break
524 ;;
525 esac
526 shift
527 done
528 if test -n "$init"
530 then
531 cmd_init "--" "$@" || return
532 fi
533 {
535 git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
536 ${progress:+"--progress"} \
537 ${wt_prefix:+--prefix "$wt_prefix"} \
538 ${prefix:+--recursive-prefix "$prefix"} \
539 ${update:+--update "$update"} \
540 ${reference:+"$reference"} \
541 ${dissociate:+"--dissociate"} \
542 ${depth:+--depth "$depth"} \
543 $recommend_shallow \
544 $jobs \
545 "$@" || echo "#unmatched" $?
546 } | {
547 err=
548 while read -r quickabort sha1 just_cloned sm_path
549 do
550 die_if_unmatched "$quickabort" "$sha1"
551 git submodule--helper ensure-core-worktree "$sm_path" || exit 1
553 update_module=$(git submodule--helper update-module-mode $just_cloned "$sm_path" $update)
555 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
557 if test $just_cloned -eq 1
559 then
560 subsha1=
561 else
562 subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
563 git rev-parse --verify HEAD) ||
564 die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
565 fi
566 if test -n "$remote"
568 then
569 branch=$(git submodule--helper remote-branch "$sm_path")
570 if test -z "$nofetch"
571 then
572 # Fetch remote before determining tracking $sha1
573 fetch_in_submodule "$sm_path" $depth ||
574 die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
575 fi
576 remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote)
577 sha1=$(sanitize_submodule_env; cd "$sm_path" &&
578 git rev-parse --verify "${remote_name}/${branch}") ||
579 die "$(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")"
580 fi
581 if test "$subsha1" != "$sha1" || test -n "$force"
583 then
584 subforce=$force
585 # If we don't already have a -f flag and the submodule has never been checked out
586 if test -z "$subsha1" && test -z "$force"
587 then
588 subforce="-f"
589 fi
590 if test -z "$nofetch"
592 then
593 # Run fetch only if $sha1 isn't present or it
594 # is not reachable from a ref.
595 is_tip_reachable "$sm_path" "$sha1" ||
596 fetch_in_submodule "$sm_path" $depth ||
597 say "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'; trying to directly fetch \$sha1:")"
598 # Now we tried the usual fetch, but $sha1 may
600 # not be reachable from any of the refs
601 is_tip_reachable "$sm_path" "$sha1" ||
602 fetch_in_submodule "$sm_path" $depth "$sha1" ||
603 die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
604 fi
605 must_die_on_failure=
607 case "$update_module" in
608 checkout)
609 command="git checkout $subforce -q"
610 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
611 say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
612 ;;
613 rebase)
614 command="git rebase"
615 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
616 say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
617 must_die_on_failure=yes
618 ;;
619 merge)
620 command="git merge"
621 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
622 say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
623 must_die_on_failure=yes
624 ;;
625 !*)
626 command="${update_module#!}"
627 die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
628 say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
629 must_die_on_failure=yes
630 ;;
631 *)
632 die "$(eval_gettext "Invalid update mode '$update_module' for submodule path '$path'")"
633 esac
634 if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
636 then
637 say "$say_msg"
638 elif test -n "$must_die_on_failure"
639 then
640 die_with_status 2 "$die_msg"
641 else
642 err="${err};$die_msg"
643 continue
644 fi
645 fi
646 if test -n "$recursive"
648 then
649 (
650 prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix")
651 wt_prefix=
652 sanitize_submodule_env
653 cd "$sm_path" &&
654 eval cmd_update
655 )
656 res=$?
657 if test $res -gt 0
658 then
659 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")"
660 if test $res -ne 2
661 then
662 err="${err};$die_msg"
663 continue
664 else
665 die_with_status $res "$die_msg"
666 fi
667 fi
668 fi
669 done
670 if test -n "$err"
672 then
673 OIFS=$IFS
674 IFS=';'
675 for e in $err
676 do
677 if test -n "$e"
678 then
679 echo >&2 "$e"
680 fi
681 done
682 IFS=$OIFS
683 exit 1
684 fi
685 }
686}
687#
689# Show commit summary for submodules in index or working tree
690#
691# If '--cached' is given, show summary between index and given commit,
692# or between working tree and given commit
693#
694# $@ = [commit (default 'HEAD'),] requested paths (default all)
695#
696cmd_summary() {
697 summary_limit=-1
698 for_status=
699 diff_cmd=diff-index
700 # parse $args after "submodule ... summary".
702 while test $# -ne 0
703 do
704 case "$1" in
705 --cached)
706 cached="$1"
707 ;;
708 --files)
709 files="$1"
710 ;;
711 --for-status)
712 for_status="$1"
713 ;;
714 -n|--summary-limit)
715 summary_limit="$2"
716 isnumber "$summary_limit" || usage
717 shift
718 ;;
719 --summary-limit=*)
720 summary_limit="${1#--summary-limit=}"
721 isnumber "$summary_limit" || usage
722 ;;
723 --)
724 shift
725 break
726 ;;
727 -*)
728 usage
729 ;;
730 *)
731 break
732 ;;
733 esac
734 shift
735 done
736 test $summary_limit = 0 && return
738 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
740 then
741 head=$rev
742 test $# = 0 || shift
743 elif test -z "$1" || test "$1" = "HEAD"
744 then
745 # before the first commit: compare with an empty tree
746 head=$(git hash-object -w -t tree --stdin </dev/null)
747 test -z "$1" || shift
748 else
749 head="HEAD"
750 fi
751 if [ -n "$files" ]
753 then
754 test -n "$cached" &&
755 die "$(gettext "The --cached option cannot be used with the --files option")"
756 diff_cmd=diff-files
757 head=
758 fi
759 cd_to_toplevel
761 eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
762 # Get modified modules cared by user
763 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
764 sane_egrep '^:([0-7]* )?160000' |
765 while read -r mod_src mod_dst sha1_src sha1_dst status sm_path
766 do
767 # Always show modules deleted or type-changed (blob<->module)
768 if test "$status" = D || test "$status" = T
769 then
770 printf '%s\n' "$sm_path"
771 continue
772 fi
773 # Respect the ignore setting for --for-status.
774 if test -n "$for_status"
775 then
776 name=$(git submodule--helper name "$sm_path")
777 ignore_config=$(get_submodule_config "$name" ignore none)
778 test $status != A && test $ignore_config = all && continue
779 fi
780 # Also show added or modified modules which are checked out
781 GIT_DIR="$sm_path/.git" git rev-parse --git-dir >/dev/null 2>&1 &&
782 printf '%s\n' "$sm_path"
783 done
784 )
785 test -z "$modules" && return
787 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
789 sane_egrep '^:([0-7]* )?160000' |
790 cut -c2- |
791 while read -r mod_src mod_dst sha1_src sha1_dst status name
792 do
793 if test -z "$cached" &&
794 is_zero_oid $sha1_dst
795 then
796 case "$mod_dst" in
797 160000)
798 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
799 ;;
800 100644 | 100755 | 120000)
801 sha1_dst=$(git hash-object $name)
802 ;;
803 000000)
804 ;; # removed
805 *)
806 # unexpected type
807 eval_gettextln "unexpected mode \$mod_dst" >&2
808 continue ;;
809 esac
810 fi
811 missing_src=
812 missing_dst=
813 test $mod_src = 160000 &&
815 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_src^0 >/dev/null &&
816 missing_src=t
817 test $mod_dst = 160000 &&
819 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_dst^0 >/dev/null &&
820 missing_dst=t
821 display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
823 total_commits=
825 case "$missing_src,$missing_dst" in
826 t,)
827 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")"
828 ;;
829 ,t)
830 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")"
831 ;;
832 t,t)
833 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")"
834 ;;
835 *)
836 errmsg=
837 total_commits=$(
838 if test $mod_src = 160000 && test $mod_dst = 160000
839 then
840 range="$sha1_src...$sha1_dst"
841 elif test $mod_src = 160000
842 then
843 range=$sha1_src
844 else
845 range=$sha1_dst
846 fi
847 GIT_DIR="$name/.git" \
848 git rev-list --first-parent $range -- | wc -l
849 )
850 total_commits=" ($(($total_commits + 0)))"
851 ;;
852 esac
853 sha1_abbr_src=$(GIT_DIR="$name/.git" git rev-parse --short $sha1_src 2>/dev/null ||
855 echo $sha1_src | cut -c1-7)
856 sha1_abbr_dst=$(GIT_DIR="$name/.git" git rev-parse --short $sha1_dst 2>/dev/null ||
857 echo $sha1_dst | cut -c1-7)
858 if test $status = T
860 then
861 blob="$(gettext "blob")"
862 submodule="$(gettext "submodule")"
863 if test $mod_dst = 160000
864 then
865 echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
866 else
867 echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
868 fi
869 else
870 echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
871 fi
872 if test -n "$errmsg"
873 then
874 # Don't give error msg for modification whose dst is not submodule
875 # i.e. deleted or changed to blob
876 test $mod_dst = 160000 && echo "$errmsg"
877 else
878 if test $mod_src = 160000 && test $mod_dst = 160000
879 then
880 limit=
881 test $summary_limit -gt 0 && limit="-$summary_limit"
882 GIT_DIR="$name/.git" \
883 git log $limit --pretty='format: %m %s' \
884 --first-parent $sha1_src...$sha1_dst
885 elif test $mod_dst = 160000
886 then
887 GIT_DIR="$name/.git" \
888 git log --pretty='format: > %s' -1 $sha1_dst
889 else
890 GIT_DIR="$name/.git" \
891 git log --pretty='format: < %s' -1 $sha1_src
892 fi
893 echo
894 fi
895 echo
896 done
897}
898#
899# List all submodules, prefixed with:
900# - submodule not initialized
901# + different revision checked out
902#
903# If --cached was specified the revision in the index will be printed
904# instead of the currently checked out revision.
905#
906# $@ = requested paths (default to all)
907#
908cmd_status()
909{
910 # parse $args after "submodule ... status".
911 while test $# -ne 0
912 do
913 case "$1" in
914 -q|--quiet)
915 GIT_QUIET=1
916 ;;
917 --cached)
918 cached=1
919 ;;
920 --recursive)
921 recursive=1
922 ;;
923 --)
924 shift
925 break
926 ;;
927 -*)
928 usage
929 ;;
930 *)
931 break
932 ;;
933 esac
934 shift
935 done
936 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} "$@"
938}
939#
940# Sync remote urls for submodules
941# This makes the value for remote.$remote.url match the value
942# specified in .gitmodules.
943#
944cmd_sync()
945{
946 while test $# -ne 0
947 do
948 case "$1" in
949 -q|--quiet)
950 GIT_QUIET=1
951 shift
952 ;;
953 --recursive)
954 recursive=1
955 shift
956 ;;
957 --)
958 shift
959 break
960 ;;
961 -*)
962 usage
963 ;;
964 *)
965 break
966 ;;
967 esac
968 done
969 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
971}
972cmd_absorbgitdirs()
974{
975 git submodule--helper absorb-git-dirs --prefix "$wt_prefix" "$@"
976}
977# This loop parses the command line arguments to find the
979# subcommand name to dispatch. Parsing of the subcommand specific
980# options are primarily done by the subcommand implementations.
981# Subcommand specific options such as --branch and --cached are
982# parsed here as well, for backward compatibility.
983while test $# != 0 && test -z "$command"
985do
986 case "$1" in
987 add | foreach | init | deinit | update | status | summary | sync | absorbgitdirs)
988 command=$1
989 ;;
990 -q|--quiet)
991 GIT_QUIET=1
992 ;;
993 -b|--branch)
994 case "$2" in
995 '')
996 usage
997 ;;
998 esac
999 branch="$2"; shift
1000 ;;
1001 --cached)
1002 cached="$1"
1003 ;;
1004 --)
1005 break
1006 ;;
1007 -*)
1008 usage
1009 ;;
1010 *)
1011 break
1012 ;;
1013 esac
1014 shift
1015done
1016# No command word defaults to "status"
1018if test -z "$command"
1019then
1020 if test $# = 0
1021 then
1022 command=status
1023 else
1024 usage
1025 fi
1026fi
1027# "-b branch" is accepted only by "add"
1029if test -n "$branch" && test "$command" != add
1030then
1031 usage
1032fi
1033# "--cached" is accepted only by "status" and "summary"
1035if test -n "$cached" && test "$command" != status && test "$command" != summary
1036then
1037 usage
1038fi
1039"cmd_$command" "$@"