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 "$1" in
310 -q|--quiet)
311 GIT_QUIET=1
312 ;;
313 --recursive)
314 recursive=1
315 ;;
316 -*)
317 usage
318 ;;
319 *)
320 break
321 ;;
322 esac
323 shift
324 done
325
326 toplevel=$(pwd)
327
328 # dup stdin so that it can be restored when running the external
329 # command in the subshell (and a recursive call to this function)
330 exec 3<&0
331
332 {
333 git submodule--helper list --prefix "$wt_prefix" ||
334 echo "#unmatched" $?
335 } |
336 while read -r mode sha1 stage sm_path
337 do
338 die_if_unmatched "$mode" "$sha1"
339 if test -e "$sm_path"/.git
340 then
341 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
342 say "$(eval_gettext "Entering '\$displaypath'")"
343 name=$(git submodule--helper name "$sm_path")
344 (
345 prefix="$prefix$sm_path/"
346 sanitize_submodule_env
347 cd "$sm_path" &&
348 sm_path=$(git submodule--helper relative-path "$sm_path" "$wt_prefix") &&
349 # we make $path available to scripts ...
350 path=$sm_path &&
351 if test $# -eq 1
352 then
353 eval "$1"
354 else
355 "$@"
356 fi &&
357 if test -n "$recursive"
358 then
359 cmd_foreach "--recursive" "$@"
360 fi
361 ) <&3 3<&- ||
362 die "$(eval_gettext "Stopping at '\$displaypath'; script returned non-zero status.")"
363 fi
364 done
365}
366
367#
368# Register submodules in .git/config
369#
370# $@ = requested paths (default to all)
371#
372cmd_init()
373{
374 # parse $args after "submodule ... init".
375 while test $# -ne 0
376 do
377 case "$1" in
378 -q|--quiet)
379 GIT_QUIET=1
380 ;;
381 --)
382 shift
383 break
384 ;;
385 -*)
386 usage
387 ;;
388 *)
389 break
390 ;;
391 esac
392 shift
393 done
394
395 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper init ${GIT_QUIET:+--quiet} "$@"
396}
397
398#
399# Unregister submodules from .git/config and remove their work tree
400#
401cmd_deinit()
402{
403 # parse $args after "submodule ... deinit".
404 deinit_all=
405 while test $# -ne 0
406 do
407 case "$1" in
408 -f|--force)
409 force=$1
410 ;;
411 -q|--quiet)
412 GIT_QUIET=1
413 ;;
414 --all)
415 deinit_all=t
416 ;;
417 --)
418 shift
419 break
420 ;;
421 -*)
422 usage
423 ;;
424 *)
425 break
426 ;;
427 esac
428 shift
429 done
430
431 if test -n "$deinit_all" && test "$#" -ne 0
432 then
433 echo >&2 "$(eval_gettext "pathspec and --all are incompatible")"
434 usage
435 fi
436 if test $# = 0 && test -z "$deinit_all"
437 then
438 die "$(eval_gettext "Use '--all' if you really want to deinitialize all submodules")"
439 fi
440
441 {
442 git submodule--helper list --prefix "$wt_prefix" "$@" ||
443 echo "#unmatched" $?
444 } |
445 while read -r mode sha1 stage sm_path
446 do
447 die_if_unmatched "$mode" "$sha1"
448 name=$(git submodule--helper name "$sm_path") || exit
449
450 displaypath=$(git submodule--helper relative-path "$sm_path" "$wt_prefix")
451
452 # Remove the submodule work tree (unless the user already did it)
453 if test -d "$sm_path"
454 then
455 # Protect submodules containing a .git directory
456 if test -d "$sm_path/.git"
457 then
458 die "$(eval_gettext "\
459Submodule work tree '\$displaypath' contains a .git directory
460(use 'rm -rf' if you really want to remove it including all of its history)")"
461 fi
462
463 if test -z "$force"
464 then
465 git rm -qn "$sm_path" ||
466 die "$(eval_gettext "Submodule work tree '\$displaypath' contains local modifications; use '-f' to discard them")"
467 fi
468 rm -rf "$sm_path" &&
469 say "$(eval_gettext "Cleared directory '\$displaypath'")" ||
470 say "$(eval_gettext "Could not remove submodule work tree '\$displaypath'")"
471 fi
472
473 mkdir "$sm_path" || say "$(eval_gettext "Could not create empty submodule directory '\$displaypath'")"
474
475 # Remove the .git/config entries (unless the user already did it)
476 if test -n "$(git config --get-regexp submodule."$name\.")"
477 then
478 # Remove the whole section so we have a clean state when
479 # the user later decides to init this submodule again
480 url=$(git config submodule."$name".url)
481 git config --remove-section submodule."$name" 2>/dev/null &&
482 say "$(eval_gettext "Submodule '\$name' (\$url) unregistered for path '\$displaypath'")"
483 fi
484 done
485}
486
487is_tip_reachable () (
488 sanitize_submodule_env &&
489 cd "$1" &&
490 rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) &&
491 test -z "$rev"
492)
493
494fetch_in_submodule () (
495 sanitize_submodule_env &&
496 cd "$1" &&
497 case "$2" in
498 '')
499 git fetch ;;
500 *)
501 shift
502 git fetch $(get_default_remote) "$@" ;;
503 esac
504)
505
506#
507# Update each submodule path to correct revision, using clone and checkout as needed
508#
509# $@ = requested paths (default to all)
510#
511cmd_update()
512{
513 # parse $args after "submodule ... update".
514 while test $# -ne 0
515 do
516 case "$1" in
517 -q|--quiet)
518 GIT_QUIET=1
519 ;;
520 --progress)
521 progress="--progress"
522 ;;
523 -i|--init)
524 init=1
525 ;;
526 --remote)
527 remote=1
528 ;;
529 -N|--no-fetch)
530 nofetch=1
531 ;;
532 -f|--force)
533 force=$1
534 ;;
535 -r|--rebase)
536 update="rebase"
537 ;;
538 --reference)
539 case "$2" in '') usage ;; esac
540 reference="--reference=$2"
541 shift
542 ;;
543 --reference=*)
544 reference="$1"
545 ;;
546 -m|--merge)
547 update="merge"
548 ;;
549 --recursive)
550 recursive=1
551 ;;
552 --checkout)
553 update="checkout"
554 ;;
555 --recommend-shallow)
556 recommend_shallow="--recommend-shallow"
557 ;;
558 --no-recommend-shallow)
559 recommend_shallow="--no-recommend-shallow"
560 ;;
561 --depth)
562 case "$2" in '') usage ;; esac
563 depth="--depth=$2"
564 shift
565 ;;
566 --depth=*)
567 depth=$1
568 ;;
569 -j|--jobs)
570 case "$2" in '') usage ;; esac
571 jobs="--jobs=$2"
572 shift
573 ;;
574 --jobs=*)
575 jobs=$1
576 ;;
577 --)
578 shift
579 break
580 ;;
581 -*)
582 usage
583 ;;
584 *)
585 break
586 ;;
587 esac
588 shift
589 done
590
591 if test -n "$init"
592 then
593 cmd_init "--" "$@" || return
594 fi
595
596 {
597 git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
598 ${progress:+"$progress"} \
599 ${wt_prefix:+--prefix "$wt_prefix"} \
600 ${prefix:+--recursive-prefix "$prefix"} \
601 ${update:+--update "$update"} \
602 ${reference:+"$reference"} \
603 ${depth:+--depth "$depth"} \
604 ${recommend_shallow:+"$recommend_shallow"} \
605 ${jobs:+$jobs} \
606 "$@" || echo "#unmatched" $?
607 } | {
608 err=
609 while read -r mode sha1 stage just_cloned sm_path
610 do
611 die_if_unmatched "$mode" "$sha1"
612
613 name=$(git submodule--helper name "$sm_path") || exit
614 if ! test -z "$update"
615 then
616 update_module=$update
617 else
618 update_module=$(git config submodule."$name".update)
619 if test -z "$update_module"
620 then
621 update_module="checkout"
622 fi
623 fi
624
625 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
626
627 if test $just_cloned -eq 1
628 then
629 subsha1=
630 case "$update_module" in
631 merge | rebase | none)
632 update_module=checkout ;;
633 esac
634 else
635 subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
636 git rev-parse --verify HEAD) ||
637 die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
638 fi
639
640 if test -n "$remote"
641 then
642 branch=$(git submodule--helper remote-branch "$sm_path")
643 if test -z "$nofetch"
644 then
645 # Fetch remote before determining tracking $sha1
646 fetch_in_submodule "$sm_path" $depth ||
647 die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
648 fi
649 remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote)
650 sha1=$(sanitize_submodule_env; cd "$sm_path" &&
651 git rev-parse --verify "${remote_name}/${branch}") ||
652 die "$(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")"
653 fi
654
655 if test "$subsha1" != "$sha1" || test -n "$force"
656 then
657 subforce=$force
658 # If we don't already have a -f flag and the submodule has never been checked out
659 if test -z "$subsha1" && test -z "$force"
660 then
661 subforce="-f"
662 fi
663
664 if test -z "$nofetch"
665 then
666 # Run fetch only if $sha1 isn't present or it
667 # is not reachable from a ref.
668 is_tip_reachable "$sm_path" "$sha1" ||
669 fetch_in_submodule "$sm_path" $depth ||
670 die "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
671
672 # Now we tried the usual fetch, but $sha1 may
673 # not be reachable from any of the refs
674 is_tip_reachable "$sm_path" "$sha1" ||
675 fetch_in_submodule "$sm_path" $depth "$sha1" ||
676 die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
677 fi
678
679 must_die_on_failure=
680 case "$update_module" in
681 checkout)
682 command="git checkout $subforce -q"
683 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")"
684 say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
685 ;;
686 rebase)
687 command="git rebase"
688 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
689 say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
690 must_die_on_failure=yes
691 ;;
692 merge)
693 command="git merge"
694 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
695 say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
696 must_die_on_failure=yes
697 ;;
698 !*)
699 command="${update_module#!}"
700 die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
701 say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
702 must_die_on_failure=yes
703 ;;
704 *)
705 die "$(eval_gettext "Invalid update mode '$update_module' for submodule '$name'")"
706 esac
707
708 if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
709 then
710 say "$say_msg"
711 elif test -n "$must_die_on_failure"
712 then
713 die_with_status 2 "$die_msg"
714 else
715 err="${err};$die_msg"
716 continue
717 fi
718 fi
719
720 if test -n "$recursive"
721 then
722 (
723 prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix")
724 wt_prefix=
725 sanitize_submodule_env
726 cd "$sm_path" &&
727 eval cmd_update
728 )
729 res=$?
730 if test $res -gt 0
731 then
732 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")"
733 if test $res -ne 2
734 then
735 err="${err};$die_msg"
736 continue
737 else
738 die_with_status $res "$die_msg"
739 fi
740 fi
741 fi
742 done
743
744 if test -n "$err"
745 then
746 OIFS=$IFS
747 IFS=';'
748 for e in $err
749 do
750 if test -n "$e"
751 then
752 echo >&2 "$e"
753 fi
754 done
755 IFS=$OIFS
756 exit 1
757 fi
758 }
759}
760
761#
762# Show commit summary for submodules in index or working tree
763#
764# If '--cached' is given, show summary between index and given commit,
765# or between working tree and given commit
766#
767# $@ = [commit (default 'HEAD'),] requested paths (default all)
768#
769cmd_summary() {
770 summary_limit=-1
771 for_status=
772 diff_cmd=diff-index
773
774 # parse $args after "submodule ... summary".
775 while test $# -ne 0
776 do
777 case "$1" in
778 --cached)
779 cached="$1"
780 ;;
781 --files)
782 files="$1"
783 ;;
784 --for-status)
785 for_status="$1"
786 ;;
787 -n|--summary-limit)
788 summary_limit="$2"
789 isnumber "$summary_limit" || usage
790 shift
791 ;;
792 --summary-limit=*)
793 summary_limit="${1#--summary-limit=}"
794 isnumber "$summary_limit" || usage
795 ;;
796 --)
797 shift
798 break
799 ;;
800 -*)
801 usage
802 ;;
803 *)
804 break
805 ;;
806 esac
807 shift
808 done
809
810 test $summary_limit = 0 && return
811
812 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
813 then
814 head=$rev
815 test $# = 0 || shift
816 elif test -z "$1" || test "$1" = "HEAD"
817 then
818 # before the first commit: compare with an empty tree
819 head=$(git hash-object -w -t tree --stdin </dev/null)
820 test -z "$1" || shift
821 else
822 head="HEAD"
823 fi
824
825 if [ -n "$files" ]
826 then
827 test -n "$cached" &&
828 die "$(gettext "The --cached option cannot be used with the --files option")"
829 diff_cmd=diff-files
830 head=
831 fi
832
833 cd_to_toplevel
834 eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
835 # Get modified modules cared by user
836 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
837 sane_egrep '^:([0-7]* )?160000' |
838 while read -r mod_src mod_dst sha1_src sha1_dst status sm_path
839 do
840 # Always show modules deleted or type-changed (blob<->module)
841 if test "$status" = D || test "$status" = T
842 then
843 printf '%s\n' "$sm_path"
844 continue
845 fi
846 # Respect the ignore setting for --for-status.
847 if test -n "$for_status"
848 then
849 name=$(git submodule--helper name "$sm_path")
850 ignore_config=$(get_submodule_config "$name" ignore none)
851 test $status != A && test $ignore_config = all && continue
852 fi
853 # Also show added or modified modules which are checked out
854 GIT_DIR="$sm_path/.git" git rev-parse --git-dir >/dev/null 2>&1 &&
855 printf '%s\n' "$sm_path"
856 done
857 )
858
859 test -z "$modules" && return
860
861 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
862 sane_egrep '^:([0-7]* )?160000' |
863 cut -c2- |
864 while read -r mod_src mod_dst sha1_src sha1_dst status name
865 do
866 if test -z "$cached" &&
867 test $sha1_dst = 0000000000000000000000000000000000000000
868 then
869 case "$mod_dst" in
870 160000)
871 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
872 ;;
873 100644 | 100755 | 120000)
874 sha1_dst=$(git hash-object $name)
875 ;;
876 000000)
877 ;; # removed
878 *)
879 # unexpected type
880 eval_gettextln "unexpected mode \$mod_dst" >&2
881 continue ;;
882 esac
883 fi
884 missing_src=
885 missing_dst=
886
887 test $mod_src = 160000 &&
888 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_src^0 >/dev/null &&
889 missing_src=t
890
891 test $mod_dst = 160000 &&
892 ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_dst^0 >/dev/null &&
893 missing_dst=t
894
895 display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
896
897 total_commits=
898 case "$missing_src,$missing_dst" in
899 t,)
900 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")"
901 ;;
902 ,t)
903 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")"
904 ;;
905 t,t)
906 errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")"
907 ;;
908 *)
909 errmsg=
910 total_commits=$(
911 if test $mod_src = 160000 && test $mod_dst = 160000
912 then
913 range="$sha1_src...$sha1_dst"
914 elif test $mod_src = 160000
915 then
916 range=$sha1_src
917 else
918 range=$sha1_dst
919 fi
920 GIT_DIR="$name/.git" \
921 git rev-list --first-parent $range -- | wc -l
922 )
923 total_commits=" ($(($total_commits + 0)))"
924 ;;
925 esac
926
927 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
928 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
929 if test $status = T
930 then
931 blob="$(gettext "blob")"
932 submodule="$(gettext "submodule")"
933 if test $mod_dst = 160000
934 then
935 echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
936 else
937 echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
938 fi
939 else
940 echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
941 fi
942 if test -n "$errmsg"
943 then
944 # Don't give error msg for modification whose dst is not submodule
945 # i.e. deleted or changed to blob
946 test $mod_dst = 160000 && echo "$errmsg"
947 else
948 if test $mod_src = 160000 && test $mod_dst = 160000
949 then
950 limit=
951 test $summary_limit -gt 0 && limit="-$summary_limit"
952 GIT_DIR="$name/.git" \
953 git log $limit --pretty='format: %m %s' \
954 --first-parent $sha1_src...$sha1_dst
955 elif test $mod_dst = 160000
956 then
957 GIT_DIR="$name/.git" \
958 git log --pretty='format: > %s' -1 $sha1_dst
959 else
960 GIT_DIR="$name/.git" \
961 git log --pretty='format: < %s' -1 $sha1_src
962 fi
963 echo
964 fi
965 echo
966 done
967}
968#
969# List all submodules, prefixed with:
970# - submodule not initialized
971# + different revision checked out
972#
973# If --cached was specified the revision in the index will be printed
974# instead of the currently checked out revision.
975#
976# $@ = requested paths (default to all)
977#
978cmd_status()
979{
980 # parse $args after "submodule ... status".
981 while test $# -ne 0
982 do
983 case "$1" in
984 -q|--quiet)
985 GIT_QUIET=1
986 ;;
987 --cached)
988 cached=1
989 ;;
990 --recursive)
991 recursive=1
992 ;;
993 --)
994 shift
995 break
996 ;;
997 -*)
998 usage
999 ;;
1000 *)
1001 break
1002 ;;
1003 esac
1004 shift
1005 done
1006
1007 git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} "$@"
1008}
1009#
1010# Sync remote urls for submodules
1011# This makes the value for remote.$remote.url match the value
1012# specified in .gitmodules.
1013#
1014cmd_sync()
1015{
1016 while test $# -ne 0
1017 do
1018 case "$1" in
1019 -q|--quiet)
1020 GIT_QUIET=1
1021 shift
1022 ;;
1023 --recursive)
1024 recursive=1
1025 shift
1026 ;;
1027 --)
1028 shift
1029 break
1030 ;;
1031 -*)
1032 usage
1033 ;;
1034 *)
1035 break
1036 ;;
1037 esac
1038 done
1039 cd_to_toplevel
1040 {
1041 git submodule--helper list --prefix "$wt_prefix" "$@" ||
1042 echo "#unmatched" $?
1043 } |
1044 while read -r mode sha1 stage sm_path
1045 do
1046 die_if_unmatched "$mode" "$sha1"
1047
1048 # skip inactive submodules
1049 if ! git submodule--helper is-active "$sm_path"
1050 then
1051 continue
1052 fi
1053
1054 name=$(git submodule--helper name "$sm_path")
1055 url=$(git config -f .gitmodules --get submodule."$name".url)
1056
1057 # Possibly a url relative to parent
1058 case "$url" in
1059 ./*|../*)
1060 # rewrite foo/bar as ../.. to find path from
1061 # submodule work tree to superproject work tree
1062 up_path="$(printf '%s\n' "$sm_path" | sed "s/[^/][^/]*/../g")" &&
1063 # guarantee a trailing /
1064 up_path=${up_path%/}/ &&
1065 # path from submodule work tree to submodule origin repo
1066 sub_origin_url=$(git submodule--helper resolve-relative-url "$url" "$up_path") &&
1067 # path from superproject work tree to submodule origin repo
1068 super_config_url=$(git submodule--helper resolve-relative-url "$url") || exit
1069 ;;
1070 *)
1071 sub_origin_url="$url"
1072 super_config_url="$url"
1073 ;;
1074 esac
1075
1076 displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
1077 say "$(eval_gettext "Synchronizing submodule url for '\$displaypath'")"
1078 git config submodule."$name".url "$super_config_url"
1079
1080 if test -e "$sm_path"/.git
1081 then
1082 (
1083 sanitize_submodule_env
1084 cd "$sm_path"
1085 remote=$(get_default_remote)
1086 git config remote."$remote".url "$sub_origin_url"
1087
1088 if test -n "$recursive"
1089 then
1090 prefix="$prefix$sm_path/"
1091 eval cmd_sync
1092 fi
1093 )
1094 fi
1095 done
1096}
1097
1098cmd_absorbgitdirs()
1099{
1100 git submodule--helper absorb-git-dirs --prefix "$wt_prefix" "$@"
1101}
1102
1103# This loop parses the command line arguments to find the
1104# subcommand name to dispatch. Parsing of the subcommand specific
1105# options are primarily done by the subcommand implementations.
1106# Subcommand specific options such as --branch and --cached are
1107# parsed here as well, for backward compatibility.
1108
1109while test $# != 0 && test -z "$command"
1110do
1111 case "$1" in
1112 add | foreach | init | deinit | update | status | summary | sync | absorbgitdirs)
1113 command=$1
1114 ;;
1115 -q|--quiet)
1116 GIT_QUIET=1
1117 ;;
1118 -b|--branch)
1119 case "$2" in
1120 '')
1121 usage
1122 ;;
1123 esac
1124 branch="$2"; shift
1125 ;;
1126 --cached)
1127 cached="$1"
1128 ;;
1129 --)
1130 break
1131 ;;
1132 -*)
1133 usage
1134 ;;
1135 *)
1136 break
1137 ;;
1138 esac
1139 shift
1140done
1141
1142# No command word defaults to "status"
1143if test -z "$command"
1144then
1145 if test $# = 0
1146 then
1147 command=status
1148 else
1149 usage
1150 fi
1151fi
1152
1153# "-b branch" is accepted only by "add"
1154if test -n "$branch" && test "$command" != add
1155then
1156 usage
1157fi
1158
1159# "--cached" is accepted only by "status" and "summary"
1160if test -n "$cached" && test "$command" != status && test "$command" != summary
1161then
1162 usage
1163fi
1164
1165"cmd_$command" "$@"