39c241a1d898f2de2c3b09da9a5cf128ee14e5f8
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 --progress)
121 progress=1
122 ;;
123 --reference)
124 case "$2" in '') usage ;; esac
125 reference_path=$2
126 shift
127 ;;
128 --reference=*)
129 reference_path="${1#--reference=}"
130 ;;
131 --name)
132 case "$2" in '') usage ;; esac
133 custom_name=$2
134 shift
135 ;;
136 --depth)
137 case "$2" in '') usage ;; esac
138 depth="--depth=$2"
139 shift
140 ;;
141 --depth=*)
142 depth=$1
143 ;;
144 --)
145 shift
146 break
147 ;;
148 -*)
149 usage
150 ;;
151 *)
152 break
153 ;;
154 esac
155 shift
156 done
157 if test -n "$reference_path"
159 then
160 is_absolute_path "$reference_path" ||
161 reference_path="$wt_prefix$reference_path"
162 reference="--reference=$reference_path"
164 fi
165 repo=$1
167 sm_path=$2
168 if test -z "$sm_path"; then
170 sm_path=$(printf '%s\n' "$repo" |
171 sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
172 fi
173 if test -z "$repo" || test -z "$sm_path"; then
175 usage
176 fi
177 is_absolute_path "$sm_path" || sm_path="$wt_prefix$sm_path"
179 # assure repo is absolute or relative to parent
181 case "$repo" in
182 ./*|../*)
183 test -z "$wt_prefix" ||
184 die "$(gettext "Relative path can only be used from the toplevel of the working tree")"
185 # dereference source url relative to parent's url
187 realrepo=$(git submodule--helper resolve-relative-url "$repo") || exit
188 ;;
189 *:*|/*)
190 # absolute url
191 realrepo=$repo
192 ;;
193 *)
194 die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")"
195 ;;
196 esac
197 # normalize path:
199 # multiple //; leading ./; /./; /../; trailing /
200 sm_path=$(printf '%s/\n' "$sm_path" |
201 sed -e '
202 s|//*|/|g
203 s|^\(\./\)*||
204 s|/\(\./\)*|/|g
205 :start
206 s|\([^/]*\)/\.\./||
207 tstart
208 s|/*$||
209 ')
210 if test -z "$force"
211 then
212 git ls-files --error-unmatch "$sm_path" > /dev/null 2>&1 &&
213 die "$(eval_gettext "'\$sm_path' already exists in the index")"
214 else
215 git ls-files -s "$sm_path" | sane_grep -v "^160000" > /dev/null 2>&1 &&
216 die "$(eval_gettext "'\$sm_path' already exists in the index and is not a submodule")"
217 fi
218 if test -z "$force" &&
220 ! git add --dry-run --ignore-missing --no-warn-embedded-repo "$sm_path" > /dev/null 2>&1
221 then
222 eval_gettextln "The following path is ignored by one of your .gitignore files:
223\$sm_path
224Use -f if you really want to add it." >&2
225 exit 1
226 fi
227 if test -n "$custom_name"
229 then
230 sm_name="$custom_name"
231 else
232 sm_name="$sm_path"
233 fi
234 # perhaps the path exists and is already a git repo, else clone it
236 if test -e "$sm_path"
237 then
238 if test -d "$sm_path"/.git || test -f "$sm_path"/.git
239 then
240 eval_gettextln "Adding existing repo at '\$sm_path' to the index"
241 else
242 die "$(eval_gettext "'\$sm_path' already exists and is not a valid git repo")"
243 fi
244 else
246 if test -d ".git/modules/$sm_name"
247 then
248 if test -z "$force"
249 then
250 eval_gettextln >&2 "A git directory for '\$sm_name' is found locally with remote(s):"
251 GIT_DIR=".git/modules/$sm_name" GIT_WORK_TREE=. git remote -v | grep '(fetch)' | sed -e s,^," ", -e s,' (fetch)',, >&2
252 die "$(eval_gettextln "\
253If you want to reuse this local git directory instead of cloning again from
254 \$realrepo
255use the '--force' option. If the local git directory is not the correct repo
256or you are unsure what this means choose another name with the '--name' option.")"
257 else
258 eval_gettextln "Reactivating local git directory for submodule '\$sm_name'."
259 fi
260 fi
261 git submodule--helper clone ${GIT_QUIET:+--quiet} ${progress:+"--progress"} --prefix "$wt_prefix" --path "$sm_path" --name "$sm_name" --url "$realrepo" ${reference:+"$reference"} ${depth:+"$depth"} || exit
262 (
263 sanitize_submodule_env
264 cd "$sm_path" &&
265 # ash fails to wordsplit ${branch:+-b "$branch"...}
266 case "$branch" in
267 '') git checkout -f -q ;;
268 ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
269 esac
270 ) || die "$(eval_gettext "Unable to checkout submodule '\$sm_path'")"
271 fi
272 git config submodule."$sm_name".url "$realrepo"
273 git add --no-warn-embedded-repo $force "$sm_path" ||
275 die "$(eval_gettext "Failed to add submodule '\$sm_path'")"
276 git config -f .gitmodules submodule."$sm_name".path "$sm_path" &&
278 git config -f .gitmodules submodule."$sm_name".url "$repo" &&
279 if test -n "$branch"
280 then
281 git config -f .gitmodules submodule."$sm_name".branch "$branch"
282 fi &&
283 git add --force .gitmodules ||
284 die "$(eval_gettext "Failed to register submodule '\$sm_path'")"
285 # NEEDSWORK: In a multi-working-tree world, this needs to be
287 # set in the per-worktree config.
288 if git config --get submodule.active >/dev/null
289 then
290 # If the submodule being adding isn't already covered by the
291 # current configured pathspec, set the submodule's active flag
292 if ! git submodule--helper is-active "$sm_path"
293 then
294 git config submodule."$sm_name".active "true"
295 fi
296 else
297 git config submodule."$sm_name".active "true"
298 fi
299}
300#
302# Execute an arbitrary command sequence in each checked out
303# submodule
304#
305# $@ = command to execute
306#
307cmd_foreach()
308{
309 # parse $args after "submodule ... foreach".
310 while test $# -ne 0
311 do
312 case "$1" in
313 -q|--quiet)
314 GIT_QUIET=1
315 ;;
316 --recursive)
317 recursive=1
318 ;;
319 -*)
320 usage
321 ;;
322 *)
323 break
324 ;;
325 esac
326 shift
327 done
328 toplevel=$(pwd)
330 # dup stdin so that it can be restored when running the external
332 # command in the subshell (and a recursive call to this function)
333 exec 3<&0
334 {
336 git submodule--helper list --prefix "$wt_prefix" ||
337 echo "#unmatched" $?
338 } |
339 while read -r mode sha1 stage sm_path
340 do
341 die_if_unmatched "$mode" "$sha1"
342 if test -e "$sm_path"/.git
343 then
344 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
345 say "$(eval_gettext "Entering '\$displaypath'")"
346 name=$(git submodule--helper name "$sm_path")
347 (
348 prefix="$prefix$sm_path/"
349 sanitize_submodule_env
350 cd "$sm_path" &&
351 sm_path=$(git submodule--helper relative-path "$sm_path" "$wt_prefix") &&
352 # we make $path available to scripts ...
353 path=$sm_path &&
354 if test $# -eq 1
355 then
356 eval "$1"
357 else
358 "$@"
359 fi &&
360 if test -n "$recursive"
361 then
362 cmd_foreach "--recursive" "$@"
363 fi
364 ) <&3 3<&- ||
365 die "$(eval_gettext "Stopping at '\$displaypath'; script returned non-zero status.")"
366 fi
367 done
368}
369#
371# Register submodules in .git/config
372#
373# $@ = requested paths (default to all)
374#
375cmd_init()
376{
377 # parse $args after "submodule ... init".
378 while test $# -ne 0
379 do
380 case "$1" in
381 -q|--quiet)
382 GIT_QUIET=1
383 ;;
384 --)
385 shift
386 break
387 ;;
388 -*)
389 usage
390 ;;
391 *)
392 break
393 ;;
394 esac
395 shift
396 done
397 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper init ${GIT_QUIET:+--quiet} "$@"
399}
400#
402# Unregister submodules from .git/config and remove their work tree
403#
404cmd_deinit()
405{
406 # parse $args after "submodule ... deinit".
407 deinit_all=
408 while test $# -ne 0
409 do
410 case "$1" in
411 -f|--force)
412 force=$1
413 ;;
414 -q|--quiet)
415 GIT_QUIET=1
416 ;;
417 --all)
418 deinit_all=t
419 ;;
420 --)
421 shift
422 break
423 ;;
424 -*)
425 usage
426 ;;
427 *)
428 break
429 ;;
430 esac
431 shift
432 done
433 git ${wt_prefix:+-C "$wt_prefix"} submodule--helper deinit ${GIT_QUIET:+--quiet} ${prefix:+--prefix "$prefix"} ${force:+--force} ${deinit_all:+--all} "$@"
435}
436is_tip_reachable () (
438 sanitize_submodule_env &&
439 cd "$1" &&
440 rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) &&
441 test -z "$rev"
442)
443fetch_in_submodule () (
445 sanitize_submodule_env &&
446 cd "$1" &&
447 case "$2" in
448 '')
449 git fetch ;;
450 *)
451 shift
452 git fetch $(get_default_remote) "$@" ;;
453 esac
454)
455#
457# Update each submodule path to correct revision, using clone and checkout as needed
458#
459# $@ = requested paths (default to all)
460#
461cmd_update()
462{
463 # parse $args after "submodule ... update".
464 while test $# -ne 0
465 do
466 case "$1" in
467 -q|--quiet)
468 GIT_QUIET=1
469 ;;
470 --progress)
471 progress=1
472 ;;
473 -i|--init)
474 init=1
475 ;;
476 --remote)
477 remote=1
478 ;;
479 -N|--no-fetch)
480 nofetch=1
481 ;;
482 -f|--force)
483 force=$1
484 ;;
485 -r|--rebase)
486 update="rebase"
487 ;;
488 --reference)
489 case "$2" in '') usage ;; esac
490 reference="--reference=$2"
491 shift
492 ;;
493 --reference=*)
494 reference="$1"
495 ;;
496 -m|--merge)
497 update="merge"
498 ;;
499 --recursive)
500 recursive=1
501 ;;
502 --checkout)
503 update="checkout"
504 ;;
505 --recommend-shallow)
506 recommend_shallow="--recommend-shallow"
507 ;;
508 --no-recommend-shallow)
509 recommend_shallow="--no-recommend-shallow"
510 ;;
511 --depth)
512 case "$2" in '') usage ;; esac
513 depth="--depth=$2"
514 shift
515 ;;
516 --depth=*)
517 depth=$1
518 ;;
519 -j|--jobs)
520 case "$2" in '') usage ;; esac
521 jobs="--jobs=$2"
522 shift
523 ;;
524 --jobs=*)
525 jobs=$1
526 ;;
527 --)
528 shift
529 break
530 ;;
531 -*)
532 usage
533 ;;
534 *)
535 break
536 ;;
537 esac
538 shift
539 done
540 if test -n "$init"
542 then
543 cmd_init "--" "$@" || return
544 fi
545 {
547 git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
548 ${progress:+"--progress"} \
549 ${wt_prefix:+--prefix "$wt_prefix"} \
550 ${prefix:+--recursive-prefix "$prefix"} \
551 ${update:+--update "$update"} \
552 ${reference:+"$reference"} \
553 ${depth:+--depth "$depth"} \
554 $recommend_shallow \
555 $jobs \
556 "$@" || echo "#unmatched" $?
557 } | {
558 err=
559 while read -r mode sha1 stage just_cloned sm_path
560 do
561 die_if_unmatched "$mode" "$sha1"
562 name=$(git submodule--helper name "$sm_path") || exit
564 if ! test -z "$update"
565 then
566 update_module=$update
567 else
568 update_module=$(git config submodule."$name".update)
569 if test -z "$update_module"
570 then
571 update_module="checkout"
572 fi
573 fi
574 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
576 if test $just_cloned -eq 1
578 then
579 subsha1=
580 case "$update_module" in
581 merge | rebase | none)
582 update_module=checkout ;;
583 esac
584 else
585 subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
586 git rev-parse --verify HEAD) ||
587 die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
588 fi
589 if test -n "$remote"
591 then
592 branch=$(git submodule--helper remote-branch "$sm_path")
593 if test -z "$nofetch"
594 then
595 # Fetch remote before determining tracking $sha1
596 fetch_in_submodule "$sm_path" $depth ||
597 die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
598 fi
599 remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote)
600 sha1=$(sanitize_submodule_env; cd "$sm_path" &&
601 git rev-parse --verify "${remote_name}/${branch}") ||
602 die "$(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")"
603 fi
604 if test "$subsha1" != "$sha1" || test -n "$force"
606 then
607 subforce=$force
608 # If we don't already have a -f flag and the submodule has never been checked out
609 if test -z "$subsha1" && test -z "$force"
610 then
611 subforce="-f"
612 fi
613 if test -z "$nofetch"
615 then
616 # Run fetch only if $sha1 isn't present or it
617 # is not reachable from a ref.
618 is_tip_reachable "$sm_path" "$sha1" ||
619 fetch_in_submodule "$sm_path" $depth ||
620 die "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
621 # Now we tried the usual fetch, but $sha1 may
623 # not be reachable from any of the refs
624 is_tip_reachable "$sm_path" "$sha1" ||
625 fetch_in_submodule "$sm_path" $depth "$sha1" ||
626 die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
627 fi
628 must_die_on_failure=
630 case "$update_module" in
631 checkout)
632 command="git checkout $subforce -q"
633 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
634 say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
635 ;;
636 rebase)
637 command="git rebase"
638 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
639 say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
640 must_die_on_failure=yes
641 ;;
642 merge)
643 command="git merge"
644 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
645 say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
646 must_die_on_failure=yes
647 ;;
648 !*)
649 command="${update_module#!}"
650 die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
651 say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
652 must_die_on_failure=yes
653 ;;
654 *)
655 die "$(eval_gettext "Invalid update mode '$update_module' for submodule '$name'")"
656 esac
657 if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
659 then
660 say "$say_msg"
661 elif test -n "$must_die_on_failure"
662 then
663 die_with_status 2 "$die_msg"
664 else
665 err="${err};$die_msg"
666 continue
667 fi
668 fi
669 if test -n "$recursive"
671 then
672 (
673 prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix")
674 wt_prefix=
675 sanitize_submodule_env
676 cd "$sm_path" &&
677 eval cmd_update
678 )
679 res=$?
680 if test $res -gt 0
681 then
682 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")"
683 if test $res -ne 2
684 then
685 err="${err};$die_msg"
686 continue
687 else
688 die_with_status $res "$die_msg"
689 fi
690 fi
691 fi
692 done
693 if test -n "$err"
695 then
696 OIFS=$IFS
697 IFS=';'
698 for e in $err
699 do
700 if test -n "$e"
701 then
702 echo >&2 "$e"
703 fi
704 done
705 IFS=$OIFS
706 exit 1
707 fi
708 }
709}
710#
712# Show commit summary for submodules in index or working tree
713#
714# If '--cached' is given, show summary between index and given commit,
715# or between working tree and given commit
716#
717# $@ = [commit (default 'HEAD'),] requested paths (default all)
718#
719cmd_summary() {
720 summary_limit=-1
721 for_status=
722 diff_cmd=diff-index
723 # parse $args after "submodule ... summary".
725 while test $# -ne 0
726 do
727 case "$1" in
728 --cached)
729 cached="$1"
730 ;;
731 --files)
732 files="$1"
733 ;;
734 --for-status)
735 for_status="$1"
736 ;;
737 -n|--summary-limit)
738 summary_limit="$2"
739 isnumber "$summary_limit" || usage
740 shift
741 ;;
742 --summary-limit=*)
743 summary_limit="${1#--summary-limit=}"
744 isnumber "$summary_limit" || usage
745 ;;
746 --)
747 shift
748 break
749 ;;
750 -*)
751 usage
752 ;;
753 *)
754 break
755 ;;
756 esac
757 shift
758 done
759 test $summary_limit = 0 && return
761 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
763 then
764 head=$rev
765 test $# = 0 || shift
766 elif test -z "$1" || test "$1" = "HEAD"
767 then
768 # before the first commit: compare with an empty tree
769 head=$(git hash-object -w -t tree --stdin </dev/null)
770 test -z "$1" || shift
771 else
772 head="HEAD"
773 fi
774 if [ -n "$files" ]
776 then
777 test -n "$cached" &&
778 die "$(gettext "The --cached option cannot be used with the --files option")"
779 diff_cmd=diff-files
780 head=
781 fi
782 cd_to_toplevel
784 eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
785 # Get modified modules cared by user
786 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
787 sane_egrep '^:([0-7]* )?160000' |
788 while read -r mod_src mod_dst sha1_src sha1_dst status sm_path
789 do
790 # Always show modules deleted or type-changed (blob<->module)
791 if test "$status" = D || test "$status" = T
792 then
793 printf '%s\n' "$sm_path"
794 continue
795 fi
796 # Respect the ignore setting for --for-status.
797 if test -n "$for_status"
798 then
799 name=$(git submodule--helper name "$sm_path")
800 ignore_config=$(get_submodule_config "$name" ignore none)
801 test $status != A && test $ignore_config = all && continue
802 fi
803 # Also show added or modified modules which are checked out
804 GIT_DIR="$sm_path/.git" git rev-parse --git-dir >/dev/null 2>&1 &&
805 printf '%s\n' "$sm_path"
806 done
807 )
808 test -z "$modules" && return
810 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
812 sane_egrep '^:([0-7]* )?160000' |
813 cut -c2- |
814 while read -r mod_src mod_dst sha1_src sha1_dst status name
815 do
816 if test -z "$cached" &&
817 test $sha1_dst = 0000000000000000000000000000000000000000
818 then
819 case "$mod_dst" in
820 160000)
821 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
822 ;;
823 100644 | 100755 | 120000)
824 sha1_dst=$(git hash-object $name)
825 ;;
826 000000)
827 ;; # removed
828 *)
829 # unexpected type
830 eval_gettextln "unexpected mode \$mod_dst" >&2
831 continue ;;
832 esac
833 fi
834 missing_src=
835 missing_dst=
836 test $mod_src = 160000 &&
838 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_src^0 >/dev/null &&
839 missing_src=t
840 test $mod_dst = 160000 &&
842 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_dst^0 >/dev/null &&
843 missing_dst=t
844 display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
846 total_commits=
848 case "$missing_src,$missing_dst" in
849 t,)
850 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")"
851 ;;
852 ,t)
853 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")"
854 ;;
855 t,t)
856 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")"
857 ;;
858 *)
859 errmsg=
860 total_commits=$(
861 if test $mod_src = 160000 && test $mod_dst = 160000
862 then
863 range="$sha1_src...$sha1_dst"
864 elif test $mod_src = 160000
865 then
866 range=$sha1_src
867 else
868 range=$sha1_dst
869 fi
870 GIT_DIR="$name/.git" \
871 git rev-list --first-parent $range -- | wc -l
872 )
873 total_commits=" ($(($total_commits + 0)))"
874 ;;
875 esac
876 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
878 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
879 if test $status = T
880 then
881 blob="$(gettext "blob")"
882 submodule="$(gettext "submodule")"
883 if test $mod_dst = 160000
884 then
885 echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
886 else
887 echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
888 fi
889 else
890 echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
891 fi
892 if test -n "$errmsg"
893 then
894 # Don't give error msg for modification whose dst is not submodule
895 # i.e. deleted or changed to blob
896 test $mod_dst = 160000 && echo "$errmsg"
897 else
898 if test $mod_src = 160000 && test $mod_dst = 160000
899 then
900 limit=
901 test $summary_limit -gt 0 && limit="-$summary_limit"
902 GIT_DIR="$name/.git" \
903 git log $limit --pretty='format: %m %s' \
904 --first-parent $sha1_src...$sha1_dst
905 elif test $mod_dst = 160000
906 then
907 GIT_DIR="$name/.git" \
908 git log --pretty='format: > %s' -1 $sha1_dst
909 else
910 GIT_DIR="$name/.git" \
911 git log --pretty='format: < %s' -1 $sha1_src
912 fi
913 echo
914 fi
915 echo
916 done
917}
918#
919# List all submodules, prefixed with:
920# - submodule not initialized
921# + different revision checked out
922#
923# If --cached was specified the revision in the index will be printed
924# instead of the currently checked out revision.
925#
926# $@ = requested paths (default to all)
927#
928cmd_status()
929{
930 # parse $args after "submodule ... status".
931 while test $# -ne 0
932 do
933 case "$1" in
934 -q|--quiet)
935 GIT_QUIET=1
936 ;;
937 --cached)
938 cached=1
939 ;;
940 --recursive)
941 recursive=1
942 ;;
943 --)
944 shift
945 break
946 ;;
947 -*)
948 usage
949 ;;
950 *)
951 break
952 ;;
953 esac
954 shift
955 done
956 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} "$@"
958}
959#
960# Sync remote urls for submodules
961# This makes the value for remote.$remote.url match the value
962# specified in .gitmodules.
963#
964cmd_sync()
965{
966 while test $# -ne 0
967 do
968 case "$1" in
969 -q|--quiet)
970 GIT_QUIET=1
971 shift
972 ;;
973 --recursive)
974 recursive=1
975 shift
976 ;;
977 --)
978 shift
979 break
980 ;;
981 -*)
982 usage
983 ;;
984 *)
985 break
986 ;;
987 esac
988 done
989 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
991}
992cmd_absorbgitdirs()
994{
995 git submodule--helper absorb-git-dirs --prefix "$wt_prefix" "$@"
996}
997# This loop parses the command line arguments to find the
999# subcommand name to dispatch. Parsing of the subcommand specific
1000# options are primarily done by the subcommand implementations.
1001# Subcommand specific options such as --branch and --cached are
1002# parsed here as well, for backward compatibility.
1003while test $# != 0 && test -z "$command"
1005do
1006 case "$1" in
1007 add | foreach | init | deinit | update | status | summary | sync | absorbgitdirs)
1008 command=$1
1009 ;;
1010 -q|--quiet)
1011 GIT_QUIET=1
1012 ;;
1013 -b|--branch)
1014 case "$2" in
1015 '')
1016 usage
1017 ;;
1018 esac
1019 branch="$2"; shift
1020 ;;
1021 --cached)
1022 cached="$1"
1023 ;;
1024 --)
1025 break
1026 ;;
1027 -*)
1028 usage
1029 ;;
1030 *)
1031 break
1032 ;;
1033 esac
1034 shift
1035done
1036# No command word defaults to "status"
1038if test -z "$command"
1039then
1040 if test $# = 0
1041 then
1042 command=status
1043 else
1044 usage
1045 fi
1046fi
1047# "-b branch" is accepted only by "add"
1049if test -n "$branch" && test "$command" != add
1050then
1051 usage
1052fi
1053# "--cached" is accepted only by "status" and "summary"
1055if test -n "$cached" && test "$command" != status && test "$command" != summary
1056then
1057 usage
1058fi
1059"cmd_$command" "$@"