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-rw-r--r--Documentation/git-submodule.txt47
1 files changed, 38 insertions, 9 deletions
diff --git a/Documentation/git-submodule.txt b/Documentation/git-submodule.txt
index b1996f1a63..bfef8a0c62 100644
--- a/Documentation/git-submodule.txt
+++ b/Documentation/git-submodule.txt
@@ -10,11 +10,13 @@ SYNOPSIS
--------
[verse]
'git submodule' [--quiet] add [-b <branch>] [-f|--force] [--name <name>]
- [--reference <repository>] [--] <repository> [<path>]
+ [--reference <repository>] [--depth <depth>] [--] <repository> [<path>]
'git submodule' [--quiet] status [--cached] [--recursive] [--] [<path>...]
'git submodule' [--quiet] init [--] [<path>...]
-'git submodule' [--quiet] update [--init] [--remote] [-N|--no-fetch] [--rebase]
- [--reference <repository>] [--merge] [--recursive] [--] [<path>...]
+'git submodule' [--quiet] deinit [-f|--force] [--] <path>...
+'git submodule' [--quiet] update [--init] [--remote] [-N|--no-fetch]
+ [-f|--force] [--rebase] [--reference <repository>] [--depth <depth>]
+ [--merge] [--recursive] [--] [<path>...]
'git submodule' [--quiet] summary [--cached|--files] [(-n|--summary-limit) <n>]
[commit] [--] [<path>...]
'git submodule' [--quiet] foreach [--recursive] <command>
@@ -75,6 +77,8 @@ argument <path> is the relative location for the cloned submodule
to exist in the superproject. If <path> is not given, the
"humanish" part of the source repository is used ("repo" for
"/path/to/repo.git" and "foo" for "host.xz:foo/.git").
+The <path> is also used as the submodule's logical name in its
+configuration entries unless `--name` is used to specify a logical name.
+
<repository> is the URL of the new submodule's origin repository.
This may be either an absolute URL, or (if it begins with ./
@@ -91,7 +95,7 @@ working directory is used instead.
<path> is the relative location for the cloned submodule to
exist in the superproject. If <path> does not exist, then the
submodule is created by cloning from the named URL. If <path> does
-exist and is already a valid git repository, then this is added
+exist and is already a valid Git repository, then this is added
to the changeset without cloning. This second form is provided
to ease creating a new submodule from scratch, and presumes
the user will later push the submodule to the given URL.
@@ -122,8 +126,10 @@ linkgit:git-status[1] and linkgit:git-diff[1] will provide that information
too (and can also report changes to a submodule's work tree).
init::
- Initialize the submodules, i.e. register each submodule name
- and url found in .gitmodules into .git/config.
+ Initialize the submodules recorded in the index (which were
+ added and committed elsewhere) by copying submodule
+ names and urls from .gitmodules to .git/config.
+ Optional <path> arguments limit which submodules will be initialized.
It will also copy the value of `submodule.$name.update` into
.git/config.
The key used in .git/config is `submodule.$name.url`.
@@ -134,13 +140,28 @@ 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.$name` section from .git/config together with their work
+ tree. Further calls to `git submodule update`, `git submodule foreach`
+ and `git submodule sync` will skip any unregistered submodules until
+ they are initialized again, so use this command if you don't want to
+ have a local checkout of the submodule in your work tree anymore. If
+ you really want to remove a submodule from the repository and commit
+ that use linkgit:git-rm[1] instead.
++
+If `--force` is specified, the submodule's work tree will be removed even if
+it contains local modifications.
+
update::
Update the registered submodules, i.e. clone missing submodules and
checkout the commit specified in the index of the containing repository.
This will make the submodules HEAD be detached unless `--rebase` or
`--merge` is specified or the key `submodule.$name.update` is set to
`rebase`, `merge` or `none`. `none` can be overridden by specifying
- `--checkout`.
+ `--checkout`. Setting the key `submodule.$name.update` to `!command`
+ will cause `command` to be run. `command` can be any arbitrary shell
+ command that takes a single argument, namely the sha1 to update to.
+
If the submodule is not yet initialized, and you just want to use the
setting as stored in .gitmodules, you can automatically initialize the
@@ -213,8 +234,10 @@ 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
@@ -241,7 +264,7 @@ OPTIONS
--remote::
This option is only valid for the update command. Instead of using
the superproject's recorded SHA-1 to update the submodule, use the
- status of the submodule's remote tracking branch. The remote used
+ status of the submodule's remote-tracking branch. The remote used
is branch's remote (`branch.<name>.remote`), defaulting to `origin`.
The remote branch used defaults to `master`, but the branch name may
be overridden by setting the `submodule.<name>.branch` option in
@@ -307,6 +330,12 @@ for linkgit:git-clone[1]'s `--reference` and `--shared` options carefully.
only in the submodules of the current repo, but also
in any nested submodules inside those submodules (and so on).
+--depth::
+ This option is valid for add and update commands. Create a 'shallow'
+ clone with a history truncated to the specified number of revisions.
+ See linkgit:git-clone[1]
+
+
<path>...::
Paths to submodule(s). When specified this will restrict the command
to only operate on the submodules found at the specified paths.