Git 1.7.0
[git/git.git] / git-submodule.sh
CommitLineData
70c7ac22
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1#!/bin/sh
2#
ecda0723 3# git-submodules.sh: add, init, update or list git submodules
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4#
5# Copyright (c) 2007 Lars Hjemli
6
1d5bec8b 7dashless=$(basename "$0" | sed -e 's/-/ /')
1414e578 8USAGE="[--quiet] add [-b branch] [--reference <repository>] [--] <repository> [<path>]
64b19ffe 9 or: $dashless [--quiet] status [--cached] [--recursive] [--] [<path>...]
1d5bec8b 10 or: $dashless [--quiet] init [--] [<path>...]
b13fd5c1 11 or: $dashless [--quiet] update [--init] [-N|--no-fetch] [--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: $dashless [--quiet] sync [--] [<path>...]"
8f321a39 15OPTIONS_SPEC=
70c7ac22 16. git-sh-setup
98fcf840 17. git-parse-remote
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18require_work_tree
19
5c08dbbd 20command=
ecda0723 21branch=
d92a3959 22reference=
70c7ac22 23cached=
1c244f6e 24files=
31ca3ac3 25nofetch=
32948425 26update=
15fc56a8 27prefix=
70c7ac22 28
f31a522a
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29# Resolve relative url by appending to parent's url
30resolve_relative_url ()
31{
98fcf840 32 remote=$(get_default_remote)
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33 remoteurl=$(git config "remote.$remote.url") ||
34 die "remote ($remote) does not have a url defined in .git/config"
f31a522a 35 url="$1"
99b120af 36 remoteurl=${remoteurl%/}
f31a522a
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37 while test -n "$url"
38 do
39 case "$url" in
40 ../*)
41 url="${url#../}"
42 remoteurl="${remoteurl%/*}"
43 ;;
44 ./*)
45 url="${url#./}"
46 ;;
47 *)
48 break;;
49 esac
50 done
99b120af 51 echo "$remoteurl/${url%/}"
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52}
53
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54#
55# Get submodule info for registered submodules
56# $@ = path to limit submodule list
57#
58module_list()
59{
e1622bfc 60 git ls-files --error-unmatch --stage -- "$@" | sane_grep '^160000 '
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61}
62
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63#
64# Map submodule path to submodule name
65#
66# $1 = path
67#
68module_name()
69{
537601ac 70 # Do we have "submodule.<something>.path = $1" defined in .gitmodules file?
fe22e542 71 re=$(printf '%s\n' "$1" | sed -e 's/[].[^$\\*]/\\&/g')
a5099bb4 72 name=$( git config -f .gitmodules --get-regexp '^submodule\..*\.path$' |
537601ac 73 sed -n -e 's|^submodule\.\(.*\)\.path '"$re"'$|\1|p' )
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74 test -z "$name" &&
75 die "No submodule mapping found in .gitmodules for path '$path'"
76 echo "$name"
77}
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78
79#
80# Clone a submodule
81#
23a485e3 82# Prior to calling, cmd_update checks that a possibly existing
ecda0723 83# path is not a git repository.
23a485e3 84# Likewise, cmd_add checks that path does not exist at all,
ecda0723
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85# since it is the location of a new submodule.
86#
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87module_clone()
88{
89 path=$1
90 url=$2
d92a3959 91 reference="$3"
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92
93 # If there already is a directory at the submodule path,
94 # expect it to be empty (since that is the default checkout
95 # action) and try to remove it.
96 # Note: if $path is a symlink to a directory the test will
97 # succeed but the rmdir will fail. We might want to fix this.
98 if test -d "$path"
99 then
100 rmdir "$path" 2>/dev/null ||
0484682e 101 die "Directory '$path' exists, but is neither empty nor a git repository"
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102 fi
103
104 test -e "$path" &&
105 die "A file already exist at path '$path'"
106
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107 if test -n "$reference"
108 then
109 git-clone "$reference" -n "$url" "$path"
110 else
111 git-clone -n "$url" "$path"
112 fi ||
941987a5 113 die "Clone of '$url' into submodule path '$path' failed"
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114}
115
ecda0723
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116#
117# Add a new submodule to the working tree, .gitmodules and the index
118#
ec05df35 119# $@ = repo path
ecda0723
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120#
121# optional branch is stored in global branch variable
122#
23a485e3 123cmd_add()
ecda0723 124{
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125 # parse $args after "submodule ... add".
126 while test $# -ne 0
127 do
128 case "$1" in
129 -b | --branch)
130 case "$2" in '') usage ;; esac
131 branch=$2
132 shift
133 ;;
134 -q|--quiet)
2e6a30ef 135 GIT_QUIET=1
5c08dbbd 136 ;;
d92a3959
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137 --reference)
138 case "$2" in '') usage ;; esac
139 reference="--reference=$2"
140 shift
141 ;;
142 --reference=*)
143 reference="$1"
144 shift
145 ;;
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146 --)
147 shift
148 break
149 ;;
150 -*)
151 usage
152 ;;
153 *)
154 break
155 ;;
156 esac
157 shift
158 done
159
ecda0723
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160 repo=$1
161 path=$2
162
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163 if test -z "$path"; then
164 path=$(echo "$repo" |
165 sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
166 fi
167
ec05df35 168 if test -z "$repo" -o -z "$path"; then
ecda0723
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169 usage
170 fi
171
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172 # assure repo is absolute or relative to parent
173 case "$repo" in
174 ./*|../*)
175 # dereference source url relative to parent's url
176 realrepo=$(resolve_relative_url "$repo") || exit
177 ;;
178 *:*|/*)
179 # absolute url
180 realrepo=$repo
181 ;;
182 *)
183 die "repo URL: '$repo' must be absolute or begin with ./|../"
184 ;;
185 esac
186
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187 # normalize path:
188 # multiple //; leading ./; /./; /../; trailing /
189 path=$(printf '%s/\n' "$path" |
190 sed -e '
191 s|//*|/|g
192 s|^\(\./\)*||
193 s|/\./|/|g
194 :start
195 s|\([^/]*\)/\.\./||
196 tstart
197 s|/*$||
198 ')
5be60078 199 git ls-files --error-unmatch "$path" > /dev/null 2>&1 &&
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200 die "'$path' already exists in the index"
201
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202 # perhaps the path exists and is already a git repo, else clone it
203 if test -e "$path"
204 then
e9656473 205 if test -d "$path"/.git -o -f "$path"/.git
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206 then
207 echo "Adding existing repo at '$path' to the index"
208 else
209 die "'$path' already exists and is not a valid git repo"
210 fi
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211
212 case "$repo" in
213 ./*|../*)
214 url=$(resolve_relative_url "$repo") || exit
215 ;;
216 *)
217 url="$repo"
218 ;;
219 esac
220 git config submodule."$path".url "$url"
d4264ca3 221 else
d4264ca3 222
d92a3959 223 module_clone "$path" "$realrepo" "$reference" || exit
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224 (
225 unset GIT_DIR
226 cd "$path" &&
227 # ash fails to wordsplit ${branch:+-b "$branch"...}
228 case "$branch" in
229 '') git checkout -f -q ;;
230 ?*) git checkout -f -q -b "$branch" "origin/$branch" ;;
231 esac
232 ) || die "Unable to checkout submodule '$path'"
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233 fi
234
ecda0723
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235 git add "$path" ||
236 die "Failed to add submodule '$path'"
237
a5099bb4
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238 git config -f .gitmodules submodule."$path".path "$path" &&
239 git config -f .gitmodules submodule."$path".url "$repo" &&
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240 git add .gitmodules ||
241 die "Failed to register submodule '$path'"
242}
243
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244#
245# Execute an arbitrary command sequence in each checked out
246# submodule
247#
248# $@ = command to execute
249#
250cmd_foreach()
251{
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252 # parse $args after "submodule ... foreach".
253 while test $# -ne 0
254 do
255 case "$1" in
256 -q|--quiet)
257 GIT_QUIET=1
258 ;;
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259 --recursive)
260 recursive=1
261 ;;
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262 -*)
263 usage
264 ;;
265 *)
266 break
267 ;;
268 esac
269 shift
270 done
271
a7b3269c 272 module_list |
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273 while read mode sha1 stage path
274 do
275 if test -e "$path"/.git
276 then
15fc56a8 277 say "Entering '$prefix$path'"
1e7f2aad 278 name=$(module_name "$path")
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279 (
280 prefix="$prefix$path/"
281 unset GIT_DIR
282 cd "$path" &&
283 eval "$@" &&
284 if test -n "$recursive"
285 then
286 cmd_foreach "--recursive" "$@"
287 fi
288 ) ||
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289 die "Stopping at '$path'; script returned non-zero status."
290 fi
291 done
292}
293
70c7ac22 294#
211b7f19 295# Register submodules in .git/config
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296#
297# $@ = requested paths (default to all)
298#
23a485e3 299cmd_init()
70c7ac22 300{
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301 # parse $args after "submodule ... init".
302 while test $# -ne 0
303 do
304 case "$1" in
305 -q|--quiet)
2e6a30ef 306 GIT_QUIET=1
5c08dbbd
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307 ;;
308 --)
309 shift
310 break
311 ;;
312 -*)
313 usage
314 ;;
315 *)
316 break
317 ;;
318 esac
319 shift
320 done
321
a7b3269c 322 module_list "$@" |
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323 while read mode sha1 stage path
324 do
211b7f19 325 # Skip already registered paths
941987a5 326 name=$(module_name "$path") || exit
5be60078 327 url=$(git config submodule."$name".url)
211b7f19 328 test -z "$url" || continue
70c7ac22 329
a5099bb4 330 url=$(git config -f .gitmodules submodule."$name".url)
70c7ac22 331 test -z "$url" &&
941987a5 332 die "No url found for submodule path '$path' in .gitmodules"
70c7ac22 333
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334 # Possibly a url relative to parent
335 case "$url" in
336 ./*|../*)
8e7e6f39 337 url=$(resolve_relative_url "$url") || exit
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338 ;;
339 esac
340
5be60078 341 git config submodule."$name".url "$url" ||
941987a5 342 die "Failed to register url for submodule path '$path'"
70c7ac22 343
32948425
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344 upd="$(git config -f .gitmodules submodule."$name".update)"
345 test -z "$upd" ||
346 git config submodule."$name".update "$upd" ||
347 die "Failed to register update mode for submodule path '$path'"
ca2cedba 348
941987a5 349 say "Submodule '$name' ($url) registered for path '$path'"
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350 done
351}
352
353#
211b7f19 354# Update each submodule path to correct revision, using clone and checkout as needed
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355#
356# $@ = requested paths (default to all)
357#
23a485e3 358cmd_update()
70c7ac22 359{
5c08dbbd 360 # parse $args after "submodule ... update".
b13fd5c1 361 orig_args="$@"
5c08dbbd
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362 while test $# -ne 0
363 do
364 case "$1" in
365 -q|--quiet)
d1f63a37 366 shift
2e6a30ef 367 GIT_QUIET=1
5c08dbbd 368 ;;
be4d2c83 369 -i|--init)
d92a3959 370 init=1
be4d2c83 371 shift
be4d2c83 372 ;;
31ca3ac3
FF
373 -N|--no-fetch)
374 shift
375 nofetch=1
376 ;;
ca2cedba
PH
377 -r|--rebase)
378 shift
32948425 379 update="rebase"
ca2cedba 380 ;;
d92a3959
MT
381 --reference)
382 case "$2" in '') usage ;; esac
383 reference="--reference=$2"
384 shift 2
385 ;;
386 --reference=*)
387 reference="$1"
388 shift
389 ;;
42b49178
JH
390 -m|--merge)
391 shift
392 update="merge"
393 ;;
b13fd5c1
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394 --recursive)
395 shift
396 recursive=1
397 ;;
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398 --)
399 shift
400 break
401 ;;
402 -*)
403 usage
404 ;;
405 *)
406 break
407 ;;
408 esac
5c08dbbd
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409 done
410
d92a3959
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411 if test -n "$init"
412 then
413 cmd_init "--" "$@" || return
414 fi
415
a7b3269c 416 module_list "$@" |
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417 while read mode sha1 stage path
418 do
941987a5 419 name=$(module_name "$path") || exit
5be60078 420 url=$(git config submodule."$name".url)
32948425 421 update_module=$(git config submodule."$name".update)
211b7f19 422 if test -z "$url"
70c7ac22
LH
423 then
424 # Only mention uninitialized submodules when its
425 # path have been specified
426 test "$#" != "0" &&
989206f5 427 say "Submodule path '$path' not initialized" &&
be4d2c83 428 say "Maybe you want to use 'update --init'?"
211b7f19
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429 continue
430 fi
431
ba88a1fe 432 if ! test -d "$path"/.git -o -f "$path"/.git
211b7f19 433 then
d92a3959 434 module_clone "$path" "$url" "$reference"|| exit
bf2d8246
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435 subsha1=
436 else
51884080 437 subsha1=$(unset GIT_DIR; cd "$path" &&
5be60078 438 git rev-parse --verify HEAD) ||
941987a5 439 die "Unable to find current revision in submodule path '$path'"
70c7ac22 440 fi
211b7f19 441
32948425 442 if ! test -z "$update"
ca2cedba 443 then
32948425 444 update_module=$update
ca2cedba
PH
445 fi
446
70c7ac22
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447 if test "$subsha1" != "$sha1"
448 then
b9b378a0
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449 force=
450 if test -z "$subsha1"
451 then
452 force="-f"
453 fi
31ca3ac3
FF
454
455 if test -z "$nofetch"
456 then
457 (unset GIT_DIR; cd "$path" &&
458 git-fetch) ||
459 die "Unable to fetch in submodule path '$path'"
460 fi
461
32948425
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462 case "$update_module" in
463 rebase)
464 command="git rebase"
ca2cedba
PH
465 action="rebase"
466 msg="rebased onto"
32948425 467 ;;
42b49178
JH
468 merge)
469 command="git merge"
470 action="merge"
471 msg="merged in"
472 ;;
32948425
JH
473 *)
474 command="git checkout $force -q"
ca2cedba
PH
475 action="checkout"
476 msg="checked out"
32948425
JH
477 ;;
478 esac
70c7ac22 479
ca2cedba
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480 (unset GIT_DIR; cd "$path" && $command "$sha1") ||
481 die "Unable to $action '$sha1' in submodule path '$path'"
482 say "Submodule path '$path': $msg '$sha1'"
70c7ac22 483 fi
b13fd5c1
JH
484
485 if test -n "$recursive"
486 then
487 (unset GIT_DIR; cd "$path" && cmd_update $orig_args) ||
488 die "Failed to recurse into submodule path '$path'"
489 fi
70c7ac22
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490 done
491}
492
bffe71f4
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493set_name_rev () {
494 revname=$( (
51884080 495 unset GIT_DIR
bffe71f4 496 cd "$1" && {
5be60078
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497 git describe "$2" 2>/dev/null ||
498 git describe --tags "$2" 2>/dev/null ||
f669ac0b
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499 git describe --contains "$2" 2>/dev/null ||
500 git describe --all --always "$2"
bffe71f4
EM
501 }
502 ) )
503 test -z "$revname" || revname=" ($revname)"
504}
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505#
506# Show commit summary for submodules in index or working tree
507#
508# If '--cached' is given, show summary between index and given commit,
509# or between working tree and given commit
510#
511# $@ = [commit (default 'HEAD'),] requested paths (default all)
512#
513cmd_summary() {
f2dc06a3 514 summary_limit=-1
d0f64dd4 515 for_status=
1c244f6e 516 diff_cmd=diff-index
f2dc06a3 517
28f9af5d
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518 # parse $args after "submodule ... summary".
519 while test $# -ne 0
520 do
521 case "$1" in
522 --cached)
523 cached="$1"
524 ;;
1c244f6e
JL
525 --files)
526 files="$1"
527 ;;
d0f64dd4
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528 --for-status)
529 for_status="$1"
530 ;;
f2dc06a3
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531 -n|--summary-limit)
532 if summary_limit=$(($2 + 0)) 2>/dev/null && test "$summary_limit" = "$2"
533 then
534 :
535 else
536 usage
537 fi
538 shift
539 ;;
28f9af5d
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540 --)
541 shift
542 break
543 ;;
544 -*)
545 usage
546 ;;
547 *)
548 break
549 ;;
550 esac
551 shift
552 done
bffe71f4 553
f2dc06a3
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554 test $summary_limit = 0 && return
555
30353a40 556 if rev=$(git rev-parse -q --verify "$1^0")
28f9af5d
PY
557 then
558 head=$rev
559 shift
560 else
561 head=HEAD
562 fi
563
1c244f6e
JL
564 if [ -n "$files" ]
565 then
566 test -n "$cached" &&
567 die "--cached cannot be used with --files"
568 diff_cmd=diff-files
569 head=
570 fi
571
28f9af5d
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572 cd_to_toplevel
573 # Get modified modules cared by user
1c244f6e 574 modules=$(git $diff_cmd $cached --raw $head -- "$@" |
e1622bfc 575 sane_egrep '^:([0-7]* )?160000' |
28f9af5d
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576 while read mod_src mod_dst sha1_src sha1_dst status name
577 do
578 # Always show modules deleted or type-changed (blob<->module)
579 test $status = D -o $status = T && echo "$name" && continue
580 # Also show added or modified modules which are checked out
581 GIT_DIR="$name/.git" git-rev-parse --git-dir >/dev/null 2>&1 &&
582 echo "$name"
583 done
584 )
1cb639e6 585
d0f64dd4
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586 test -z "$modules" && return
587
1c244f6e 588 git $diff_cmd $cached --raw $head -- $modules |
e1622bfc 589 sane_egrep '^:([0-7]* )?160000' |
1cb639e6
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590 cut -c2- |
591 while read mod_src mod_dst sha1_src sha1_dst status name
592 do
593 if test -z "$cached" &&
594 test $sha1_dst = 0000000000000000000000000000000000000000
595 then
596 case "$mod_dst" in
597 160000)
598 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
599 ;;
600 100644 | 100755 | 120000)
601 sha1_dst=$(git hash-object $name)
602 ;;
603 000000)
604 ;; # removed
605 *)
606 # unexpected type
607 echo >&2 "unexpected mode $mod_dst"
608 continue ;;
609 esac
610 fi
611 missing_src=
612 missing_dst=
613
614 test $mod_src = 160000 &&
30353a40 615 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_src^0 >/dev/null &&
1cb639e6
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616 missing_src=t
617
618 test $mod_dst = 160000 &&
30353a40 619 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_dst^0 >/dev/null &&
1cb639e6 620 missing_dst=t
bffe71f4 621
1cb639e6
PY
622 total_commits=
623 case "$missing_src,$missing_dst" in
624 t,)
625 errmsg=" Warn: $name doesn't contain commit $sha1_src"
626 ;;
627 ,t)
628 errmsg=" Warn: $name doesn't contain commit $sha1_dst"
629 ;;
630 t,t)
631 errmsg=" Warn: $name doesn't contain commits $sha1_src and $sha1_dst"
632 ;;
633 *)
634 errmsg=
635 total_commits=$(
636 if test $mod_src = 160000 -a $mod_dst = 160000
637 then
638 range="$sha1_src...$sha1_dst"
639 elif test $mod_src = 160000
640 then
641 range=$sha1_src
642 else
643 range=$sha1_dst
644 fi
645 GIT_DIR="$name/.git" \
646 git log --pretty=oneline --first-parent $range | wc -l
647 )
eed35595 648 total_commits=" ($(($total_commits + 0)))"
1cb639e6
PY
649 ;;
650 esac
651
652 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
653 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
654 if test $status = T
655 then
656 if test $mod_dst = 160000
657 then
658 echo "* $name $sha1_abbr_src(blob)->$sha1_abbr_dst(submodule)$total_commits:"
659 else
660 echo "* $name $sha1_abbr_src(submodule)->$sha1_abbr_dst(blob)$total_commits:"
661 fi
662 else
663 echo "* $name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
664 fi
665 if test -n "$errmsg"
666 then
667 # Don't give error msg for modification whose dst is not submodule
668 # i.e. deleted or changed to blob
669 test $mod_dst = 160000 && echo "$errmsg"
670 else
671 if test $mod_src = 160000 -a $mod_dst = 160000
672 then
f2dc06a3
PY
673 limit=
674 test $summary_limit -gt 0 && limit="-$summary_limit"
1cb639e6 675 GIT_DIR="$name/.git" \
f2dc06a3 676 git log $limit --pretty='format: %m %s' \
1cb639e6
PY
677 --first-parent $sha1_src...$sha1_dst
678 elif test $mod_dst = 160000
679 then
680 GIT_DIR="$name/.git" \
681 git log --pretty='format: > %s' -1 $sha1_dst
682 else
683 GIT_DIR="$name/.git" \
684 git log --pretty='format: < %s' -1 $sha1_src
685 fi
686 echo
687 fi
688 echo
d0f64dd4
PY
689 done |
690 if test -n "$for_status"; then
f17a5d34
JL
691 if [ -n "$files" ]; then
692 echo "# Submodules changed but not updated:"
693 else
694 echo "# Submodule changes to be committed:"
695 fi
d0f64dd4
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696 echo "#"
697 sed -e 's|^|# |' -e 's|^# $|#|'
698 else
699 cat
700 fi
28f9af5d 701}
70c7ac22 702#
941987a5 703# List all submodules, prefixed with:
70c7ac22
LH
704# - submodule not initialized
705# + different revision checked out
706#
707# If --cached was specified the revision in the index will be printed
708# instead of the currently checked out revision.
709#
710# $@ = requested paths (default to all)
711#
23a485e3 712cmd_status()
70c7ac22 713{
5c08dbbd 714 # parse $args after "submodule ... status".
64b19ffe 715 orig_args="$@"
5c08dbbd
JH
716 while test $# -ne 0
717 do
718 case "$1" in
719 -q|--quiet)
2e6a30ef 720 GIT_QUIET=1
5c08dbbd
JH
721 ;;
722 --cached)
723 cached=1
724 ;;
64b19ffe
JH
725 --recursive)
726 recursive=1
727 ;;
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728 --)
729 shift
730 break
731 ;;
732 -*)
733 usage
734 ;;
735 *)
736 break
737 ;;
738 esac
739 shift
740 done
741
a7b3269c 742 module_list "$@" |
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743 while read mode sha1 stage path
744 do
941987a5 745 name=$(module_name "$path") || exit
5be60078 746 url=$(git config submodule."$name".url)
64b19ffe 747 displaypath="$prefix$path"
ba88a1fe 748 if test -z "$url" || ! test -d "$path"/.git -o -f "$path"/.git
70c7ac22 749 then
64b19ffe 750 say "-$sha1 $displaypath"
70c7ac22
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751 continue;
752 fi
41c7c1bd 753 set_name_rev "$path" "$sha1"
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754 if git diff-files --quiet -- "$path"
755 then
64b19ffe 756 say " $sha1 $displaypath$revname"
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757 else
758 if test -z "$cached"
759 then
51884080 760 sha1=$(unset GIT_DIR; cd "$path" && git rev-parse --verify HEAD)
41c7c1bd 761 set_name_rev "$path" "$sha1"
70c7ac22 762 fi
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763 say "+$sha1 $displaypath$revname"
764 fi
765
766 if test -n "$recursive"
767 then
768 (
769 prefix="$displaypath/"
770 unset GIT_DIR
771 cd "$path" &&
772 cmd_status $orig_args
773 ) ||
774 die "Failed to recurse into submodule path '$path'"
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775 fi
776 done
777}
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778#
779# Sync remote urls for submodules
780# This makes the value for remote.$remote.url match the value
781# specified in .gitmodules.
782#
783cmd_sync()
784{
785 while test $# -ne 0
786 do
787 case "$1" in
788 -q|--quiet)
2e6a30ef 789 GIT_QUIET=1
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790 shift
791 ;;
792 --)
793 shift
794 break
795 ;;
796 -*)
797 usage
798 ;;
799 *)
800 break
801 ;;
802 esac
803 done
804 cd_to_toplevel
805 module_list "$@" |
806 while read mode sha1 stage path
807 do
808 name=$(module_name "$path")
809 url=$(git config -f .gitmodules --get submodule."$name".url)
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810
811 # Possibly a url relative to parent
812 case "$url" in
813 ./*|../*)
814 url=$(resolve_relative_url "$url") || exit
815 ;;
816 esac
817
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818 if test -e "$path"/.git
819 then
820 (
821 unset GIT_DIR
822 cd "$path"
823 remote=$(get_default_remote)
824 say "Synchronizing submodule url for '$name'"
825 git config remote."$remote".url "$url"
826 )
827 fi
828 done
829}
70c7ac22 830
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831# This loop parses the command line arguments to find the
832# subcommand name to dispatch. Parsing of the subcommand specific
833# options are primarily done by the subcommand implementations.
834# Subcommand specific options such as --branch and --cached are
835# parsed here as well, for backward compatibility.
836
837while test $# != 0 && test -z "$command"
70c7ac22
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838do
839 case "$1" in
2327f61e 840 add | foreach | init | update | status | summary | sync)
5c08dbbd 841 command=$1
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842 ;;
843 -q|--quiet)
2e6a30ef 844 GIT_QUIET=1
70c7ac22 845 ;;
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846 -b|--branch)
847 case "$2" in
848 '')
849 usage
850 ;;
851 esac
852 branch="$2"; shift
853 ;;
70c7ac22 854 --cached)
28f9af5d 855 cached="$1"
70c7ac22
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856 ;;
857 --)
858 break
859 ;;
860 -*)
861 usage
862 ;;
863 *)
864 break
865 ;;
866 esac
867 shift
868done
869
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870# No command word defaults to "status"
871test -n "$command" || command=status
872
873# "-b branch" is accepted only by "add"
874if test -n "$branch" && test "$command" != add
875then
ecda0723 876 usage
5c08dbbd
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877fi
878
28f9af5d
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879# "--cached" is accepted only by "status" and "summary"
880if test -n "$cached" && test "$command" != status -a "$command" != summary
5c08dbbd 881then
70c7ac22 882 usage
5c08dbbd
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883fi
884
885"cmd_$command" "$@"