Fix some "variable might be used uninitialized" warnings
[git/git.git] / git-submodule.sh
CommitLineData
70c7ac22
LH
1#!/bin/sh
2#
ecda0723 3# git-submodules.sh: add, init, update or list git submodules
70c7ac22
LH
4#
5# Copyright (c) 2007 Lars Hjemli
6
1d5bec8b 7dashless=$(basename "$0" | sed -e 's/-/ /')
d27b876b 8USAGE="[--quiet] add [-b branch] [-f|--force] [--reference <repository>] [--] <repository> [<path>]
64b19ffe 9 or: $dashless [--quiet] status [--cached] [--recursive] [--] [<path>...]
1d5bec8b 10 or: $dashless [--quiet] init [--] [<path>...]
9db31bdf 11 or: $dashless [--quiet] update [--init] [-N|--no-fetch] [-f|--force] [--rebase] [--reference <repository>] [--merge] [--recursive] [--] [<path>...]
adc54235 12 or: $dashless [--quiet] summary [--cached|--files] [--summary-limit <n>] [commit] [--] [<path>...]
15fc56a8 13 or: $dashless [--quiet] foreach [--recursive] <command>
1d5bec8b 14 or: $dashless [--quiet] sync [--] [<path>...]"
8f321a39 15OPTIONS_SPEC=
70c7ac22 16. git-sh-setup
d0ad8251 17. git-sh-i18n
98fcf840 18. git-parse-remote
70c7ac22
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19require_work_tree
20
5c08dbbd 21command=
ecda0723 22branch=
d27b876b 23force=
d92a3959 24reference=
70c7ac22 25cached=
48bb3033
GP
26recursive=
27init=
1c244f6e 28files=
31ca3ac3 29nofetch=
32948425 30update=
15fc56a8 31prefix=
70c7ac22 32
f31a522a
ML
33# Resolve relative url by appending to parent's url
34resolve_relative_url ()
35{
98fcf840 36 remote=$(get_default_remote)
8e7e6f39 37 remoteurl=$(git config "remote.$remote.url") ||
4d689320 38 remoteurl=$(pwd) # the repository is its own authoritative upstream
f31a522a 39 url="$1"
99b120af 40 remoteurl=${remoteurl%/}
ea640cc6 41 sep=/
f31a522a
ML
42 while test -n "$url"
43 do
44 case "$url" in
45 ../*)
46 url="${url#../}"
ea640cc6
TR
47 case "$remoteurl" in
48 */*)
49 remoteurl="${remoteurl%/*}"
50 ;;
51 *:*)
52 remoteurl="${remoteurl%:*}"
53 sep=:
54 ;;
55 *)
497ee872 56 die "$(eval_gettext "cannot strip one component off url '\$remoteurl'")"
ea640cc6
TR
57 ;;
58 esac
f31a522a
ML
59 ;;
60 ./*)
61 url="${url#./}"
62 ;;
63 *)
64 break;;
65 esac
66 done
ea640cc6 67 echo "$remoteurl$sep${url%/}"
f31a522a
ML
68}
69
a7b3269c
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70#
71# Get submodule info for registered submodules
72# $@ = path to limit submodule list
73#
74module_list()
75{
313ee0d6
NMC
76 git ls-files --error-unmatch --stage -- "$@" |
77 perl -e '
78 my %unmerged = ();
79 my ($null_sha1) = ("0" x 40);
80 while (<STDIN>) {
81 chomp;
82 my ($mode, $sha1, $stage, $path) =
83 /^([0-7]+) ([0-9a-f]{40}) ([0-3])\t(.*)$/;
84 next unless $mode eq "160000";
85 if ($stage ne "0") {
86 if (!$unmerged{$path}++) {
87 print "$mode $null_sha1 U\t$path\n";
88 }
89 next;
90 }
91 print "$_\n";
92 }
93 '
a7b3269c
DA
94}
95
941987a5
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96#
97# Map submodule path to submodule name
98#
99# $1 = path
100#
101module_name()
102{
537601ac 103 # Do we have "submodule.<something>.path = $1" defined in .gitmodules file?
fe22e542 104 re=$(printf '%s\n' "$1" | sed -e 's/[].[^$\\*]/\\&/g')
a5099bb4 105 name=$( git config -f .gitmodules --get-regexp '^submodule\..*\.path$' |
537601ac 106 sed -n -e 's|^submodule\.\(.*\)\.path '"$re"'$|\1|p' )
941987a5 107 test -z "$name" &&
497ee872 108 die "$(eval_gettext "No submodule mapping found in .gitmodules for path '\$path'")"
941987a5
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109 echo "$name"
110}
33aa6fff
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111
112#
113# Clone a submodule
114#
23a485e3 115# Prior to calling, cmd_update checks that a possibly existing
ecda0723 116# path is not a git repository.
23a485e3 117# Likewise, cmd_add checks that path does not exist at all,
ecda0723
SV
118# since it is the location of a new submodule.
119#
33aa6fff
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120module_clone()
121{
122 path=$1
123 url=$2
d92a3959 124 reference="$3"
7e60407f
JL
125 quiet=
126 if test -n "$GIT_QUIET"
127 then
128 quiet=-q
129 fi
33aa6fff 130
d92a3959
MT
131 if test -n "$reference"
132 then
7e60407f 133 git-clone $quiet "$reference" -n "$url" "$path"
d92a3959 134 else
7e60407f 135 git-clone $quiet -n "$url" "$path"
d92a3959 136 fi ||
497ee872 137 die "$(eval_gettext "Clone of '\$url' into submodule path '\$path' failed")"
33aa6fff
LH
138}
139
ecda0723
SV
140#
141# Add a new submodule to the working tree, .gitmodules and the index
142#
ec05df35 143# $@ = repo path
ecda0723
SV
144#
145# optional branch is stored in global branch variable
146#
23a485e3 147cmd_add()
ecda0723 148{
5c08dbbd
JH
149 # parse $args after "submodule ... add".
150 while test $# -ne 0
151 do
152 case "$1" in
153 -b | --branch)
154 case "$2" in '') usage ;; esac
155 branch=$2
156 shift
157 ;;
d27b876b
JL
158 -f | --force)
159 force=$1
160 ;;
5c08dbbd 161 -q|--quiet)
2e6a30ef 162 GIT_QUIET=1
5c08dbbd 163 ;;
d92a3959
MT
164 --reference)
165 case "$2" in '') usage ;; esac
166 reference="--reference=$2"
167 shift
168 ;;
169 --reference=*)
170 reference="$1"
171 shift
172 ;;
5c08dbbd
JH
173 --)
174 shift
175 break
176 ;;
177 -*)
178 usage
179 ;;
180 *)
181 break
182 ;;
183 esac
184 shift
185 done
186
ecda0723
SV
187 repo=$1
188 path=$2
189
1414e578
JL
190 if test -z "$path"; then
191 path=$(echo "$repo" |
192 sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
193 fi
194
ec05df35 195 if test -z "$repo" -o -z "$path"; then
ecda0723
SV
196 usage
197 fi
198
ec05df35
ML
199 # assure repo is absolute or relative to parent
200 case "$repo" in
201 ./*|../*)
202 # dereference source url relative to parent's url
203 realrepo=$(resolve_relative_url "$repo") || exit
204 ;;
205 *:*|/*)
206 # absolute url
207 realrepo=$repo
208 ;;
209 *)
497ee872 210 die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")"
ec05df35
ML
211 ;;
212 esac
213
db75ada5
MG
214 # normalize path:
215 # multiple //; leading ./; /./; /../; trailing /
216 path=$(printf '%s/\n' "$path" |
217 sed -e '
218 s|//*|/|g
219 s|^\(\./\)*||
220 s|/\./|/|g
221 :start
222 s|\([^/]*\)/\.\./||
223 tstart
224 s|/*$||
225 ')
5be60078 226 git ls-files --error-unmatch "$path" > /dev/null 2>&1 &&
497ee872 227 die "$(eval_gettext "'\$path' already exists in the index")"
ecda0723 228
d27b876b
JL
229 if test -z "$force" && ! git add --dry-run --ignore-missing "$path" > /dev/null 2>&1
230 then
6ff875c5 231 eval_gettextln "The following path is ignored by one of your .gitignore files:
3a4c3ed7 232\$path
6ff875c5 233Use -f if you really want to add it." >&2
d27b876b
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234 exit 1
235 fi
236
d4264ca3
ML
237 # perhaps the path exists and is already a git repo, else clone it
238 if test -e "$path"
239 then
e9656473 240 if test -d "$path"/.git -o -f "$path"/.git
d4264ca3 241 then
6ff875c5 242 eval_gettextln "Adding existing repo at '\$path' to the index"
d4264ca3 243 else
497ee872 244 die "$(eval_gettext "'\$path' already exists and is not a valid git repo")"
d4264ca3 245 fi
c2f93917 246
d4264ca3 247 else
d4264ca3 248
d92a3959 249 module_clone "$path" "$realrepo" "$reference" || exit
ea10b60c 250 (
74ae1419 251 clear_local_git_env
ea10b60c
BJ
252 cd "$path" &&
253 # ash fails to wordsplit ${branch:+-b "$branch"...}
254 case "$branch" in
255 '') git checkout -f -q ;;
502dc5b6 256 ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
ea10b60c 257 esac
497ee872 258 ) || die "$(eval_gettext "Unable to checkout submodule '\$path'")"
d4264ca3 259 fi
c56dce3b 260 git config submodule."$path".url "$realrepo"
d4264ca3 261
d27b876b 262 git add $force "$path" ||
497ee872 263 die "$(eval_gettext "Failed to add submodule '\$path'")"
ecda0723 264
a5099bb4
IY
265 git config -f .gitmodules submodule."$path".path "$path" &&
266 git config -f .gitmodules submodule."$path".url "$repo" &&
31991b02 267 git add --force .gitmodules ||
497ee872 268 die "$(eval_gettext "Failed to register submodule '\$path'")"
ecda0723
SV
269}
270
19a31f9c
ML
271#
272# Execute an arbitrary command sequence in each checked out
273# submodule
274#
275# $@ = command to execute
276#
277cmd_foreach()
278{
1d5bec8b
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279 # parse $args after "submodule ... foreach".
280 while test $# -ne 0
281 do
282 case "$1" in
283 -q|--quiet)
284 GIT_QUIET=1
285 ;;
15fc56a8
JH
286 --recursive)
287 recursive=1
288 ;;
1d5bec8b
JH
289 -*)
290 usage
291 ;;
292 *)
293 break
294 ;;
295 esac
296 shift
297 done
298
f030c96d
ÆAB
299 toplevel=$(pwd)
300
4dca1aa6
BC
301 # dup stdin so that it can be restored when running the external
302 # command in the subshell (and a recursive call to this function)
303 exec 3<&0
304
a7b3269c 305 module_list |
19a31f9c
ML
306 while read mode sha1 stage path
307 do
308 if test -e "$path"/.git
309 then
490b6d57 310 say "$(eval_gettext "Entering '\$prefix\$path'")"
1e7f2aad 311 name=$(module_name "$path")
15fc56a8
JH
312 (
313 prefix="$prefix$path/"
74ae1419 314 clear_local_git_env
15fc56a8
JH
315 cd "$path" &&
316 eval "$@" &&
317 if test -n "$recursive"
318 then
319 cmd_foreach "--recursive" "$@"
320 fi
4dca1aa6 321 ) <&3 3<&- ||
497ee872 322 die "$(eval_gettext "Stopping at '\$path'; script returned non-zero status.")"
19a31f9c
ML
323 fi
324 done
325}
326
70c7ac22 327#
211b7f19 328# Register submodules in .git/config
70c7ac22
LH
329#
330# $@ = requested paths (default to all)
331#
23a485e3 332cmd_init()
70c7ac22 333{
5c08dbbd
JH
334 # parse $args after "submodule ... init".
335 while test $# -ne 0
336 do
337 case "$1" in
338 -q|--quiet)
2e6a30ef 339 GIT_QUIET=1
5c08dbbd
JH
340 ;;
341 --)
342 shift
343 break
344 ;;
345 -*)
346 usage
347 ;;
348 *)
349 break
350 ;;
351 esac
352 shift
353 done
354
a7b3269c 355 module_list "$@" |
70c7ac22
LH
356 while read mode sha1 stage path
357 do
211b7f19 358 # Skip already registered paths
941987a5 359 name=$(module_name "$path") || exit
2cd9de3e
JL
360 if test -z "$(git config "submodule.$name.url")"
361 then
362 url=$(git config -f .gitmodules submodule."$name".url)
363 test -z "$url" &&
0591c0a5 364 die "$(eval_gettext "No url found for submodule path '\$path' in .gitmodules")"
2cd9de3e
JL
365
366 # Possibly a url relative to parent
367 case "$url" in
368 ./*|../*)
369 url=$(resolve_relative_url "$url") || exit
370 ;;
371 esac
372 git config submodule."$name".url "$url" ||
0591c0a5 373 die "$(eval_gettext "Failed to register url for submodule path '\$path'")"
2cd9de3e 374 fi
70c7ac22 375
2cd9de3e 376 # Copy "update" setting when it is not set yet
32948425
JH
377 upd="$(git config -f .gitmodules submodule."$name".update)"
378 test -z "$upd" ||
2cd9de3e 379 test -n "$(git config submodule."$name".update)" ||
32948425 380 git config submodule."$name".update "$upd" ||
497ee872 381 die "$(eval_gettext "Failed to register update mode for submodule path '\$path'")"
ca2cedba 382
497ee872 383 say "$(eval_gettext "Submodule '\$name' (\$url) registered for path '\$path'")"
70c7ac22
LH
384 done
385}
386
387#
211b7f19 388# Update each submodule path to correct revision, using clone and checkout as needed
70c7ac22
LH
389#
390# $@ = requested paths (default to all)
391#
23a485e3 392cmd_update()
70c7ac22 393{
5c08dbbd 394 # parse $args after "submodule ... update".
98dbe63d 395 orig_flags=
5c08dbbd
JH
396 while test $# -ne 0
397 do
398 case "$1" in
399 -q|--quiet)
2e6a30ef 400 GIT_QUIET=1
5c08dbbd 401 ;;
be4d2c83 402 -i|--init)
d92a3959 403 init=1
be4d2c83 404 ;;
31ca3ac3 405 -N|--no-fetch)
31ca3ac3
FF
406 nofetch=1
407 ;;
9db31bdf
NMC
408 -f|--force)
409 force=$1
410 ;;
ca2cedba 411 -r|--rebase)
32948425 412 update="rebase"
ca2cedba 413 ;;
d92a3959
MT
414 --reference)
415 case "$2" in '') usage ;; esac
416 reference="--reference=$2"
98dbe63d
KB
417 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
418 shift
d92a3959
MT
419 ;;
420 --reference=*)
421 reference="$1"
d92a3959 422 ;;
42b49178 423 -m|--merge)
42b49178
JH
424 update="merge"
425 ;;
b13fd5c1 426 --recursive)
b13fd5c1
JH
427 recursive=1
428 ;;
5c08dbbd
JH
429 --)
430 shift
431 break
432 ;;
433 -*)
434 usage
435 ;;
436 *)
437 break
438 ;;
439 esac
98dbe63d
KB
440 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
441 shift
5c08dbbd
JH
442 done
443
d92a3959
MT
444 if test -n "$init"
445 then
446 cmd_init "--" "$@" || return
447 fi
448
1b4735d9 449 cloned_modules=
15ffb7cd
FG
450 module_list "$@" | {
451 err=
70c7ac22
LH
452 while read mode sha1 stage path
453 do
313ee0d6
NMC
454 if test "$stage" = U
455 then
456 echo >&2 "Skipping unmerged submodule $path"
457 continue
458 fi
941987a5 459 name=$(module_name "$path") || exit
5be60078 460 url=$(git config submodule."$name".url)
32948425 461 update_module=$(git config submodule."$name".update)
211b7f19 462 if test -z "$url"
70c7ac22
LH
463 then
464 # Only mention uninitialized submodules when its
465 # path have been specified
466 test "$#" != "0" &&
1c2ef66f
ÆAB
467 say "$(eval_gettext "Submodule path '\$path' not initialized
468Maybe you want to use 'update --init'?")"
211b7f19
LH
469 continue
470 fi
471
ba88a1fe 472 if ! test -d "$path"/.git -o -f "$path"/.git
211b7f19 473 then
d92a3959 474 module_clone "$path" "$url" "$reference"|| exit
1b4735d9 475 cloned_modules="$cloned_modules;$name"
bf2d8246
LH
476 subsha1=
477 else
74ae1419 478 subsha1=$(clear_local_git_env; cd "$path" &&
5be60078 479 git rev-parse --verify HEAD) ||
497ee872 480 die "$(eval_gettext "Unable to find current revision in submodule path '\$path'")"
70c7ac22 481 fi
211b7f19 482
32948425 483 if ! test -z "$update"
ca2cedba 484 then
32948425 485 update_module=$update
ca2cedba
PH
486 fi
487
70c7ac22
LH
488 if test "$subsha1" != "$sha1"
489 then
9db31bdf
NMC
490 subforce=$force
491 # If we don't already have a -f flag and the submodule has never been checked out
492 if test -z "$subsha1" -a -z "$force"
b9b378a0 493 then
9db31bdf 494 subforce="-f"
b9b378a0 495 fi
31ca3ac3
FF
496
497 if test -z "$nofetch"
498 then
e5f522d6
JL
499 # Run fetch only if $sha1 isn't present or it
500 # is not reachable from a ref.
74ae1419 501 (clear_local_git_env; cd "$path" &&
f5799e05 502 ( (rev=$(git rev-list -n 1 $sha1 --not --all 2>/dev/null) &&
e5f522d6 503 test -z "$rev") || git-fetch)) ||
497ee872 504 die "$(eval_gettext "Unable to fetch in submodule path '\$path'")"
31ca3ac3
FF
505 fi
506
1b4735d9
SO
507 # Is this something we just cloned?
508 case ";$cloned_modules;" in
509 *";$name;"*)
510 # then there is no local change to integrate
511 update_module= ;;
512 esac
513
877449c1 514 must_die_on_failure=
32948425
JH
515 case "$update_module" in
516 rebase)
517 command="git rebase"
ee653c89
ÆAB
518 die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$path'")"
519 say_msg="$(eval_gettext "Submodule path '\$path': rebased into '\$sha1'")"
877449c1 520 must_die_on_failure=yes
32948425 521 ;;
42b49178
JH
522 merge)
523 command="git merge"
ee653c89
ÆAB
524 die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$path'")"
525 say_msg="$(eval_gettext "Submodule path '\$path': merged in '\$sha1'")"
877449c1 526 must_die_on_failure=yes
42b49178 527 ;;
32948425 528 *)
9db31bdf 529 command="git checkout $subforce -q"
ee653c89
ÆAB
530 die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$path'")"
531 say_msg="$(eval_gettext "Submodule path '\$path': checked out '\$sha1'")"
32948425
JH
532 ;;
533 esac
70c7ac22 534
15ffb7cd
FG
535 if (clear_local_git_env; cd "$path" && $command "$sha1")
536 then
ff968f03 537 say "$say_msg"
877449c1
JH
538 elif test -n "$must_die_on_failure"
539 then
ff968f03 540 die_with_status 2 "$die_msg"
15ffb7cd 541 else
ff968f03 542 err="${err};$die_msg"
877449c1 543 continue
15ffb7cd 544 fi
70c7ac22 545 fi
b13fd5c1
JH
546
547 if test -n "$recursive"
548 then
15ffb7cd
FG
549 (clear_local_git_env; cd "$path" && eval cmd_update "$orig_flags")
550 res=$?
551 if test $res -gt 0
552 then
ff968f03 553 die_msg="$(eval_gettext "Failed to recurse into submodule path '\$path'")"
15ffb7cd
FG
554 if test $res -eq 1
555 then
ff968f03 556 err="${err};$die_msg"
15ffb7cd
FG
557 continue
558 else
ff968f03 559 die_with_status $res "$die_msg"
15ffb7cd
FG
560 fi
561 fi
b13fd5c1 562 fi
70c7ac22 563 done
15ffb7cd
FG
564
565 if test -n "$err"
566 then
567 OIFS=$IFS
568 IFS=';'
569 for e in $err
570 do
571 if test -n "$e"
572 then
573 echo >&2 "$e"
574 fi
575 done
576 IFS=$OIFS
577 exit 1
578 fi
579 }
70c7ac22
LH
580}
581
bffe71f4
EM
582set_name_rev () {
583 revname=$( (
74ae1419 584 clear_local_git_env
bffe71f4 585 cd "$1" && {
5be60078
JH
586 git describe "$2" 2>/dev/null ||
587 git describe --tags "$2" 2>/dev/null ||
f669ac0b
ML
588 git describe --contains "$2" 2>/dev/null ||
589 git describe --all --always "$2"
bffe71f4
EM
590 }
591 ) )
592 test -z "$revname" || revname=" ($revname)"
593}
28f9af5d
PY
594#
595# Show commit summary for submodules in index or working tree
596#
597# If '--cached' is given, show summary between index and given commit,
598# or between working tree and given commit
599#
600# $@ = [commit (default 'HEAD'),] requested paths (default all)
601#
602cmd_summary() {
f2dc06a3 603 summary_limit=-1
d0f64dd4 604 for_status=
1c244f6e 605 diff_cmd=diff-index
f2dc06a3 606
28f9af5d
PY
607 # parse $args after "submodule ... summary".
608 while test $# -ne 0
609 do
610 case "$1" in
611 --cached)
612 cached="$1"
613 ;;
1c244f6e
JL
614 --files)
615 files="$1"
616 ;;
d0f64dd4
PY
617 --for-status)
618 for_status="$1"
619 ;;
f2dc06a3
PY
620 -n|--summary-limit)
621 if summary_limit=$(($2 + 0)) 2>/dev/null && test "$summary_limit" = "$2"
622 then
623 :
624 else
625 usage
626 fi
627 shift
628 ;;
28f9af5d
PY
629 --)
630 shift
631 break
632 ;;
633 -*)
634 usage
635 ;;
636 *)
637 break
638 ;;
639 esac
640 shift
641 done
bffe71f4 642
f2dc06a3
PY
643 test $summary_limit = 0 && return
644
3deea89c 645 if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
28f9af5d
PY
646 then
647 head=$rev
caa9c3ca 648 test $# = 0 || shift
3deea89c
JH
649 elif test -z "$1" -o "$1" = "HEAD"
650 then
14e940d7
JH
651 # before the first commit: compare with an empty tree
652 head=$(git hash-object -w -t tree --stdin </dev/null)
2ea6c2c9 653 test -z "$1" || shift
28f9af5d 654 else
3deea89c 655 head="HEAD"
28f9af5d
PY
656 fi
657
1c244f6e
JL
658 if [ -n "$files" ]
659 then
660 test -n "$cached" &&
b9b9c22f 661 die "$(gettext -- "--cached cannot be used with --files")"
1c244f6e
JL
662 diff_cmd=diff-files
663 head=
664 fi
665
28f9af5d
PY
666 cd_to_toplevel
667 # Get modified modules cared by user
18076502 668 modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
e1622bfc 669 sane_egrep '^:([0-7]* )?160000' |
28f9af5d
PY
670 while read mod_src mod_dst sha1_src sha1_dst status name
671 do
672 # Always show modules deleted or type-changed (blob<->module)
673 test $status = D -o $status = T && echo "$name" && continue
674 # Also show added or modified modules which are checked out
675 GIT_DIR="$name/.git" git-rev-parse --git-dir >/dev/null 2>&1 &&
676 echo "$name"
677 done
678 )
1cb639e6 679
d0f64dd4
PY
680 test -z "$modules" && return
681
18076502 682 git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
e1622bfc 683 sane_egrep '^:([0-7]* )?160000' |
1cb639e6
PY
684 cut -c2- |
685 while read mod_src mod_dst sha1_src sha1_dst status name
686 do
687 if test -z "$cached" &&
688 test $sha1_dst = 0000000000000000000000000000000000000000
689 then
690 case "$mod_dst" in
691 160000)
692 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
693 ;;
694 100644 | 100755 | 120000)
695 sha1_dst=$(git hash-object $name)
696 ;;
697 000000)
698 ;; # removed
699 *)
700 # unexpected type
6ff875c5 701 eval_gettextln "unexpected mode \$mod_dst" >&2
1cb639e6
PY
702 continue ;;
703 esac
704 fi
705 missing_src=
706 missing_dst=
707
708 test $mod_src = 160000 &&
30353a40 709 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_src^0 >/dev/null &&
1cb639e6
PY
710 missing_src=t
711
712 test $mod_dst = 160000 &&
30353a40 713 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_dst^0 >/dev/null &&
1cb639e6 714 missing_dst=t
bffe71f4 715
1cb639e6
PY
716 total_commits=
717 case "$missing_src,$missing_dst" in
718 t,)
f62f8212 719 errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_src")"
1cb639e6
PY
720 ;;
721 ,t)
f62f8212 722 errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_dst")"
1cb639e6
PY
723 ;;
724 t,t)
f62f8212 725 errmsg="$(eval_gettext " Warn: \$name doesn't contain commits \$sha1_src and \$sha1_dst")"
1cb639e6
PY
726 ;;
727 *)
728 errmsg=
729 total_commits=$(
730 if test $mod_src = 160000 -a $mod_dst = 160000
731 then
732 range="$sha1_src...$sha1_dst"
733 elif test $mod_src = 160000
734 then
735 range=$sha1_src
736 else
737 range=$sha1_dst
738 fi
739 GIT_DIR="$name/.git" \
b0e621ad 740 git rev-list --first-parent $range -- | wc -l
1cb639e6 741 )
eed35595 742 total_commits=" ($(($total_commits + 0)))"
1cb639e6
PY
743 ;;
744 esac
745
746 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
747 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
748 if test $status = T
749 then
b3e73449
ÆAB
750 blob="$(gettext "blob")"
751 submodule="$(gettext "submodule")"
1cb639e6
PY
752 if test $mod_dst = 160000
753 then
b3e73449 754 echo "* $name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
1cb639e6 755 else
b3e73449 756 echo "* $name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
1cb639e6
PY
757 fi
758 else
759 echo "* $name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
760 fi
761 if test -n "$errmsg"
762 then
763 # Don't give error msg for modification whose dst is not submodule
764 # i.e. deleted or changed to blob
765 test $mod_dst = 160000 && echo "$errmsg"
766 else
767 if test $mod_src = 160000 -a $mod_dst = 160000
768 then
f2dc06a3
PY
769 limit=
770 test $summary_limit -gt 0 && limit="-$summary_limit"
1cb639e6 771 GIT_DIR="$name/.git" \
f2dc06a3 772 git log $limit --pretty='format: %m %s' \
1cb639e6
PY
773 --first-parent $sha1_src...$sha1_dst
774 elif test $mod_dst = 160000
775 then
776 GIT_DIR="$name/.git" \
777 git log --pretty='format: > %s' -1 $sha1_dst
778 else
779 GIT_DIR="$name/.git" \
780 git log --pretty='format: < %s' -1 $sha1_src
781 fi
782 echo
783 fi
784 echo
d0f64dd4
PY
785 done |
786 if test -n "$for_status"; then
f17a5d34 787 if [ -n "$files" ]; then
6ff875c5 788 gettextln "# Submodules changed but not updated:"
f17a5d34 789 else
6ff875c5 790 gettextln "# Submodule changes to be committed:"
f17a5d34 791 fi
d0f64dd4
PY
792 echo "#"
793 sed -e 's|^|# |' -e 's|^# $|#|'
794 else
795 cat
796 fi
28f9af5d 797}
70c7ac22 798#
941987a5 799# List all submodules, prefixed with:
70c7ac22
LH
800# - submodule not initialized
801# + different revision checked out
802#
803# If --cached was specified the revision in the index will be printed
804# instead of the currently checked out revision.
805#
806# $@ = requested paths (default to all)
807#
23a485e3 808cmd_status()
70c7ac22 809{
5c08dbbd 810 # parse $args after "submodule ... status".
98dbe63d 811 orig_flags=
5c08dbbd
JH
812 while test $# -ne 0
813 do
814 case "$1" in
815 -q|--quiet)
2e6a30ef 816 GIT_QUIET=1
5c08dbbd
JH
817 ;;
818 --cached)
819 cached=1
820 ;;
64b19ffe
JH
821 --recursive)
822 recursive=1
823 ;;
5c08dbbd
JH
824 --)
825 shift
826 break
827 ;;
828 -*)
829 usage
830 ;;
831 *)
832 break
833 ;;
834 esac
98dbe63d 835 orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
5c08dbbd
JH
836 shift
837 done
838
a7b3269c 839 module_list "$@" |
70c7ac22
LH
840 while read mode sha1 stage path
841 do
941987a5 842 name=$(module_name "$path") || exit
5be60078 843 url=$(git config submodule."$name".url)
64b19ffe 844 displaypath="$prefix$path"
313ee0d6
NMC
845 if test "$stage" = U
846 then
847 say "U$sha1 $displaypath"
848 continue
849 fi
ba88a1fe 850 if test -z "$url" || ! test -d "$path"/.git -o -f "$path"/.git
70c7ac22 851 then
64b19ffe 852 say "-$sha1 $displaypath"
70c7ac22
LH
853 continue;
854 fi
41c7c1bd 855 set_name_rev "$path" "$sha1"
18076502 856 if git diff-files --ignore-submodules=dirty --quiet -- "$path"
70c7ac22 857 then
64b19ffe 858 say " $sha1 $displaypath$revname"
70c7ac22
LH
859 else
860 if test -z "$cached"
861 then
74ae1419 862 sha1=$(clear_local_git_env; cd "$path" && git rev-parse --verify HEAD)
41c7c1bd 863 set_name_rev "$path" "$sha1"
70c7ac22 864 fi
64b19ffe
JH
865 say "+$sha1 $displaypath$revname"
866 fi
867
868 if test -n "$recursive"
869 then
870 (
871 prefix="$displaypath/"
74ae1419 872 clear_local_git_env
64b19ffe 873 cd "$path" &&
a7eff1a8 874 eval cmd_status "$orig_args"
64b19ffe 875 ) ||
497ee872 876 die "$(eval_gettext "Failed to recurse into submodule path '\$path'")"
70c7ac22
LH
877 fi
878 done
879}
2327f61e
DA
880#
881# Sync remote urls for submodules
882# This makes the value for remote.$remote.url match the value
883# specified in .gitmodules.
884#
885cmd_sync()
886{
887 while test $# -ne 0
888 do
889 case "$1" in
890 -q|--quiet)
2e6a30ef 891 GIT_QUIET=1
2327f61e
DA
892 shift
893 ;;
894 --)
895 shift
896 break
897 ;;
898 -*)
899 usage
900 ;;
901 *)
902 break
903 ;;
904 esac
905 done
906 cd_to_toplevel
907 module_list "$@" |
908 while read mode sha1 stage path
909 do
910 name=$(module_name "$path")
911 url=$(git config -f .gitmodules --get submodule."$name".url)
baede9f8
JH
912
913 # Possibly a url relative to parent
914 case "$url" in
915 ./*|../*)
916 url=$(resolve_relative_url "$url") || exit
917 ;;
918 esac
919
ccee6086 920 if git config "submodule.$name.url" >/dev/null 2>/dev/null
2327f61e 921 then
0591c0a5 922 say "$(eval_gettext "Synchronizing submodule url for '\$name'")"
ccee6086
JH
923 git config submodule."$name".url "$url"
924
925 if test -e "$path"/.git
926 then
927 (
928 clear_local_git_env
929 cd "$path"
930 remote=$(get_default_remote)
931 git config remote."$remote".url "$url"
932 )
933 fi
2327f61e
DA
934 fi
935 done
936}
70c7ac22 937
5c08dbbd
JH
938# This loop parses the command line arguments to find the
939# subcommand name to dispatch. Parsing of the subcommand specific
940# options are primarily done by the subcommand implementations.
941# Subcommand specific options such as --branch and --cached are
942# parsed here as well, for backward compatibility.
943
944while test $# != 0 && test -z "$command"
70c7ac22
LH
945do
946 case "$1" in
2327f61e 947 add | foreach | init | update | status | summary | sync)
5c08dbbd 948 command=$1
70c7ac22
LH
949 ;;
950 -q|--quiet)
2e6a30ef 951 GIT_QUIET=1
70c7ac22 952 ;;
ecda0723
SV
953 -b|--branch)
954 case "$2" in
955 '')
956 usage
957 ;;
958 esac
959 branch="$2"; shift
960 ;;
70c7ac22 961 --cached)
28f9af5d 962 cached="$1"
70c7ac22
LH
963 ;;
964 --)
965 break
966 ;;
967 -*)
968 usage
969 ;;
970 *)
971 break
972 ;;
973 esac
974 shift
975done
976
5c08dbbd
JH
977# No command word defaults to "status"
978test -n "$command" || command=status
979
980# "-b branch" is accepted only by "add"
981if test -n "$branch" && test "$command" != add
982then
ecda0723 983 usage
5c08dbbd
JH
984fi
985
28f9af5d
PY
986# "--cached" is accepted only by "status" and "summary"
987if test -n "$cached" && test "$command" != status -a "$command" != summary
5c08dbbd 988then
70c7ac22 989 usage
5c08dbbd
JH
990fi
991
992"cmd_$command" "$@"