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Merge branch 'jl/submodule-deinit'

There was no Porcelain way to say "I no longer am interested in
this submodule", once you express your interest in a submodule with
"submodule init".  "submodule deinit" is the way to do so.

* jl/submodule-deinit:
  submodule: add 'deinit' command
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2 parents 4744b33 + cf41982 commit b03b41e24c84731742e132d86ef3e449dcd6ec25 @gitster gitster committed Mar 25, 2013
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4 Documentation/git-rm.txt
@@ -149,6 +149,10 @@ files that aren't ignored are present in the submodules work tree.
Ignored files are deemed expendable and won't stop a submodule's work
tree from being removed.
+If you only want to remove the local checkout of a submodule from your
+work tree without committing the removal,
+use linkgit:git-submodule[1] `deinit` instead.
+
EXAMPLES
--------
`git rm Documentation/\*.txt`::
View
18 Documentation/git-submodule.txt
@@ -13,6 +13,7 @@ SYNOPSIS
[--reference <repository>] [--] <repository> [<path>]
'git submodule' [--quiet] status [--cached] [--recursive] [--] [<path>...]
'git submodule' [--quiet] init [--] [<path>...]
+'git submodule' [--quiet] deinit [-f|--force] [--] <path>...
'git submodule' [--quiet] update [--init] [--remote] [-N|--no-fetch]
[-f|--force] [--rebase] [--reference <repository>]
[--merge] [--recursive] [--] [<path>...]
@@ -135,6 +136,19 @@ init::
the explicit 'init' step if you do not intend to customize
any submodule locations.
+deinit::
+ Unregister the given submodules, i.e. remove the whole
+ `submodule.$name` section from .git/config together with their work
+ tree. Further calls to `git submodule update`, `git submodule foreach`
+ and `git submodule sync` will skip any unregistered submodules until
+ they are initialized again, so use this command if you don't want to
+ have a local checkout of the submodule in your work tree anymore. If
+ you really want to remove a submodule from the repository and commit
+ that use linkgit:git-rm[1] instead.
++
+If `--force` is specified, the submodule's work tree will be removed even if
+it contains local modifications.
+
update::
Update the registered submodules, i.e. clone missing submodules and
checkout the commit specified in the index of the containing repository.
@@ -214,8 +228,10 @@ OPTIONS
-f::
--force::
- This option is only valid for add and update commands.
+ This option is only valid for add, deinit and update commands.
When running add, allow adding an otherwise ignored submodule path.
+ When running deinit the submodule work trees will be removed even if
+ they contain local changes.
When running update, throw away local changes in submodules when
switching to a different commit; and always run a checkout operation
in the submodule, even if the commit listed in the index of the
View
2 contrib/completion/git-completion.bash
@@ -2419,7 +2419,7 @@ _git_submodule ()
{
__git_has_doubledash && return
- local subcommands="add status init update summary foreach sync"
+ local subcommands="add status init deinit update summary foreach sync"
if [ -z "$(__git_find_on_cmdline "$subcommands")" ]; then
case "$cur" in
--*)
View
77 git-submodule.sh
@@ -8,6 +8,7 @@ dashless=$(basename "$0" | sed -e 's/-/ /')
USAGE="[--quiet] add [-b <branch>] [-f|--force] [--name <name>] [--reference <repository>] [--] <repository> [<path>]
or: $dashless [--quiet] status [--cached] [--recursive] [--] [<path>...]
or: $dashless [--quiet] init [--] [<path>...]
+ or: $dashless [--quiet] deinit [-f|--force] [--] <path>...
or: $dashless [--quiet] update [--init] [--remote] [-N|--no-fetch] [-f|--force] [--rebase] [--reference <repository>] [--merge] [--recursive] [--] [<path>...]
or: $dashless [--quiet] summary [--cached|--files] [--summary-limit <n>] [commit] [--] [<path>...]
or: $dashless [--quiet] foreach [--recursive] <command>
@@ -547,6 +548,80 @@ cmd_init()
}
#
+# Unregister submodules from .git/config and remove their work tree
+#
+# $@ = requested paths (use '.' to deinit all submodules)
+#
+cmd_deinit()
+{
+ # parse $args after "submodule ... deinit".
+ while test $# -ne 0
+ do
+ case "$1" in
+ -f|--force)
+ force=$1
+ ;;
+ -q|--quiet)
+ GIT_QUIET=1
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done
+
+ if test $# = 0
+ then
+ die "$(eval_gettext "Use '.' if you really want to deinitialize all submodules")"
+ fi
+
+ module_list "$@" |
+ while read mode sha1 stage sm_path
+ do
+ die_if_unmatched "$mode"
+ name=$(module_name "$sm_path") || exit
+
+ # Remove the submodule work tree (unless the user already did it)
+ if test -d "$sm_path"
+ then
+ # Protect submodules containing a .git directory
+ if test -d "$sm_path/.git"
+ then
+ echo >&2 "$(eval_gettext "Submodule work tree '\$sm_path' contains a .git directory")"
+ die "$(eval_gettext "(use 'rm -rf' if you really want to remove it including all of its history)")"
+ fi
+
+ if test -z "$force"
+ then
+ git rm -n "$sm_path" ||
+ die "$(eval_gettext "Submodule work tree '\$sm_path' contains local modifications; use '-f' to discard them")"
+ fi
+ rm -rf "$sm_path" || say "$(eval_gettext "Could not remove submodule work tree '\$sm_path'")"
+ fi
+
+ mkdir "$sm_path" || say "$(eval_gettext "Could not create empty submodule directory '\$sm_path'")"
+
+ # Remove the .git/config entries (unless the user already did it)
+ if test -n "$(git config --get-regexp submodule."$name\.")"
+ then
+ # Remove the whole section so we have a clean state when
+ # the user later decides to init this submodule again
+ url=$(git config submodule."$name".url)
+ git config --remove-section submodule."$name" 2>/dev/null &&
+ say "$(eval_gettext "Submodule '\$name' (\$url) unregistered for path '\$sm_path'")"
+ fi
+ done
+}
+
+#
# Update each submodule path to correct revision, using clone and checkout as needed
#
# $@ = requested paths (default to all)
@@ -1162,7 +1237,7 @@ cmd_sync()
while test $# != 0 && test -z "$command"
do
case "$1" in
- add | foreach | init | update | status | summary | sync)
+ add | foreach | init | deinit | update | status | summary | sync)
command=$1
;;
-q|--quiet)
View
100 t/t7400-submodule-basic.sh
@@ -757,4 +757,104 @@ test_expect_success 'submodule add with an existing name fails unless forced' '
)
'
+test_expect_success 'set up a second submodule' '
+ git submodule add ./init2 example2 &&
+ git commit -m "submodule example2 added"
+'
+
+test_expect_success 'submodule deinit should remove the whole submodule section from .git/config' '
+ git config submodule.example.foo bar &&
+ git config submodule.example2.frotz nitfol &&
+ git submodule deinit init &&
+ test -z "$(git config --get-regexp "submodule\.example\.")" &&
+ test -n "$(git config --get-regexp "submodule\.example2\.")" &&
+ test -f example2/.git &&
+ rmdir init
+'
+
+test_expect_success 'submodule deinit . deinits all initialized submodules' '
+ git submodule update --init &&
+ git config submodule.example.foo bar &&
+ git config submodule.example2.frotz nitfol &&
+ test_must_fail git submodule deinit &&
+ git submodule deinit . &&
+ test -z "$(git config --get-regexp "submodule\.example\.")" &&
+ test -z "$(git config --get-regexp "submodule\.example2\.")" &&
+ rmdir init example2
+'
+
+test_expect_success 'submodule deinit deinits a submodule when its work tree is missing or empty' '
+ git submodule update --init &&
+ rm -rf init example2/* example2/.git &&
+ git submodule deinit init example2 &&
+ test -z "$(git config --get-regexp "submodule\.example\.")" &&
+ test -z "$(git config --get-regexp "submodule\.example2\.")" &&
+ rmdir init
+'
+
+test_expect_success 'submodule deinit fails when the submodule contains modifications unless forced' '
+ git submodule update --init &&
+ echo X >>init/s &&
+ test_must_fail git submodule deinit init &&
+ test -n "$(git config --get-regexp "submodule\.example\.")" &&
+ test -f example2/.git &&
+ git submodule deinit -f init &&
+ test -z "$(git config --get-regexp "submodule\.example\.")" &&
+ rmdir init
+'
+
+test_expect_success 'submodule deinit fails when the submodule contains untracked files unless forced' '
+ git submodule update --init &&
+ echo X >>init/untracked &&
+ test_must_fail git submodule deinit init &&
+ test -n "$(git config --get-regexp "submodule\.example\.")" &&
+ test -f example2/.git &&
+ git submodule deinit -f init &&
+ test -z "$(git config --get-regexp "submodule\.example\.")" &&
+ rmdir init
+'
+
+test_expect_success 'submodule deinit fails when the submodule HEAD does not match unless forced' '
+ git submodule update --init &&
+ (
+ cd init &&
+ git checkout HEAD^
+ ) &&
+ test_must_fail git submodule deinit init &&
+ test -n "$(git config --get-regexp "submodule\.example\.")" &&
+ test -f example2/.git &&
+ git submodule deinit -f init &&
+ test -z "$(git config --get-regexp "submodule\.example\.")" &&
+ rmdir init
+'
+
+test_expect_success 'submodule deinit is silent when used on an uninitialized submodule' '
+ git submodule update --init &&
+ git submodule deinit init >actual &&
+ test_i18ngrep "Submodule .example. (.*) unregistered for path .init" actual &&
+ git submodule deinit init >actual &&
+ test_i18ngrep ! "Submodule .example. (.*) unregistered for path .init" actual &&
+ git submodule deinit . >actual &&
+ test_i18ngrep ! "Submodule .example. (.*) unregistered for path .init" actual &&
+ test_i18ngrep "Submodule .example2. (.*) unregistered for path .example2" actual &&
+ git submodule deinit . >actual &&
+ test_i18ngrep ! "Submodule .example. (.*) unregistered for path .init" actual &&
+ test_i18ngrep ! "Submodule .example2. (.*) unregistered for path .example2" actual &&
+ rmdir init example2
+'
+
+test_expect_success 'submodule deinit fails when submodule has a .git directory even when forced' '
+ git submodule update --init &&
+ (
+ cd init &&
+ rm .git &&
+ cp -R ../.git/modules/example .git &&
+ GIT_WORK_TREE=. git config --unset core.worktree
+ ) &&
+ test_must_fail git submodule deinit init &&
+ test_must_fail git submodule deinit -f init &&
+ test -d init/.git &&
+ test -n "$(git config --get-regexp "submodule\.example\.")"
+'
+
test_done

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