Document git-clone --reference

[git.git] / Documentation / git-clone.txt

diff --git a/Documentation/git-clone.txt b/Documentation/git-clone.txt
index f943f26..131e445 100644 (file)
--- a/Documentation/git-clone.txt
+++ b/Documentation/git-clone.txt
@@ -3,12 +3,15 @@ git-clone(1)
 
 NAME
 ----
-git-clone - Clones a repository.
+git-clone - Clones a repository
 
 
 SYNOPSIS
 --------
-'git-clone' [-l [-s]] [-q] [-n] [-o <name>] [-u <upload-pack>] <repository> [<directory>]
+[verse]
+'git-clone' [-l [-s]] [-q] [-n] [--bare] [-o <name>] [-u <upload-pack>]
+         [--reference <repository>]
+         <repository> [<directory>]
 
 DESCRIPTION
 -----------
@@ -44,10 +47,18 @@ OPTIONS
 -s::
        When the repository to clone is on the local machine,
        instead of using hard links, automatically setup
-       .git/objects/info/alternatives to share the objects
+       .git/objects/info/alternates to share the objects
        with the source repository.  The resulting repository
        starts out without any object of its own.
 
+--reference <repository>::
+       If the reference repository is on the local machine
+       automatically setup .git/objects/info/alternates to
+       obtain objects from the reference repository.  Using
+       an already existing repository as an alternate will
+       require less objects to be copied from the repository
+       being cloned, reducing network and local storage costs.
+
 --quiet::
 -q::
        Operate quietly.  This flag is passed to "rsync" and
@@ -56,6 +67,14 @@ OPTIONS
 -n::
        No checkout of HEAD is performed after the clone is complete.
 
+--bare::
+       Make a 'bare' GIT repository.  That is, instead of
+       creating `<directory>` and placing the administrative
+       files in `<directory>/.git`, make the `<directory>`
+       itself the `$GIT_DIR`. This implies `-n` option.  When
+       this option is used, neither the `origin` branch nor the
+       default `remotes/origin` file is created.
+
 -o <name>::
        Instead of using the branch name 'origin' to keep track
        of the upstream repository, use <name> instead.  Note
@@ -101,6 +120,32 @@ $ cd copy
 $ git show-branch
 ------------
 
+
+Clone from upstream while borrowing from an existing local directory::
++
+------------
+$ git clone --reference my2.6 \
+       git://git.kernel.org/pub/scm/.../linux-2.7 \
+       my2.7
+$ cd my2.7
+------------
+
+
+Create a bare repository to publish your changes to the public::
++
+------------
+$ git clone --bare -l /home/proj/.git /pub/scm/proj.git
+------------
+
+
+Create a repository on the kernel.org machine that borrows from Linus::
++
+------------
+$ git clone --bare -l -s /pub/scm/.../torvalds/linux-2.6.git \
+    /pub/scm/.../me/subsys-2.6.git
+------------
+
+
 Author
 ------
 Written by Linus Torvalds <torvalds@osdl.org>