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The files under <code>.git/objects/</code> directory are hardlinked to save space when possible. </p> <div class="paragraph"><p>If the repository is specified as a local path (e.g., <code>/path/to/repo</code>), this is the default, and --local is essentially a no-op. If the repository is specified as a URL, then this flag is ignored (and we never use the local optimizations). Specifying <code>--no-local</code> will override the default when <code>/path/to/repo</code> is given, using the regular Git transport instead.</p></div> <div class="paragraph"><p>To force copying instead of hardlinking (which may be desirable if you are trying to make a back-up of your repository), but still avoid the usual "Git aware" transport mechanism, <code>--no-hardlinks</code> can be used.</p></div> </dd> <dt class="hdlist1"> --no-hardlinks </dt> <dd> <p> Optimize the cloning process from a repository on a local filesystem by copying files under <code>.git/objects</code> directory. </p> </dd> <dt class="hdlist1"> --shared </dt> <dt class="hdlist1"> -s </dt> <dd> <p> When the repository to clone is on the local machine, instead of using hard links, automatically setup <code>.git/objects/info/alternates</code> to share the objects with the source repository. The resulting repository starts out without any object of its own. </p> <div class="paragraph"><p><strong>NOTE</strong>: this is a possibly dangerous operation; do <strong>not</strong> use it unless you understand what it does. If you clone your repository using this option and then delete branches (or use any other Git command that makes any existing commit unreferenced) in the source repository, some objects may become unreferenced (or dangling). These objects may be removed by normal Git operations (such as <code>git commit</code>) which automatically call <code>git gc --auto</code>. (See <a href="git-gc.html">git-gc(1)</a>.) If these objects are removed and were referenced by the cloned repository, then the cloned repository will become corrupt.</p></div> <div class="paragraph"><p>Note that running <code>git repack</code> without the <code>-l</code> option in a repository cloned with <code>-s</code> will copy objects from the source repository into a pack in the cloned repository, removing the disk space savings of <code>clone -s</code>. It is safe, however, to run <code>git gc</code>, which uses the <code>-l</code> option by default.</p></div> <div class="paragraph"><p>If you want to break the dependency of a repository cloned with <code>-s</code> on its source repository, you can simply run <code>git repack -a</code> to copy all objects from the source repository into a pack in the cloned repository.</p></div> </dd> <dt class="hdlist1"> --reference <repository> </dt> <dd> <p> If the reference repository is on the local machine, automatically setup <code>.git/objects/info/alternates</code> to obtain objects from the reference repository. Using an already existing repository as an alternate will require fewer objects to be copied from the repository being cloned, reducing network and local storage costs. </p> <div class="paragraph"><p><strong>NOTE</strong>: see the NOTE for the <code>--shared</code> option.</p></div> </dd> <dt class="hdlist1"> --quiet </dt> <dt class="hdlist1"> -q </dt> <dd> <p> Operate quietly. Progress is not reported to the standard error stream. This flag is also passed to the ‘rsync’ command when given. </p> </dd> <dt class="hdlist1"> --verbose </dt> <dt class="hdlist1"> -v </dt> <dd> <p> Run verbosely. Does not affect the reporting of progress status to the standard error stream. </p> </dd> <dt class="hdlist1"> --progress </dt> <dd> <p> Progress status is reported on the standard error stream by default when it is attached to a terminal, unless -q is specified. This flag forces progress status even if the standard error stream is not directed to a terminal. </p> </dd> <dt class="hdlist1"> --no-checkout </dt> <dt class="hdlist1"> -n </dt> <dd> <p> No checkout of HEAD is performed after the clone is complete. </p> </dd> <dt class="hdlist1"> --bare </dt> <dd> <p> Make a <em>bare</em> Git repository. That is, instead of creating <code><directory></code> and placing the administrative files in <code><directory>/.git</code>, make the <code><directory></code> itself the <code>$GIT_DIR</code>. This obviously implies the <code>-n</code> because there is nowhere to check out the working tree. Also the branch heads at the remote are copied directly to corresponding local branch heads, without mapping them to <code>refs/remotes/origin/</code>. When this option is used, neither remote-tracking branches nor the related configuration variables are created. </p> </dd> <dt class="hdlist1"> --mirror </dt> <dd> <p> Set up a mirror of the source repository. This implies <code>--bare</code>. Compared to <code>--bare</code>, <code>--mirror</code> not only maps local branches of the source to local branches of the target, it maps all refs (including remote-tracking branches, notes etc.) and sets up a refspec configuration such that all these refs are overwritten by a <code>git remote update</code> in the target repository. </p> </dd> <dt class="hdlist1"> --origin <name> </dt> <dt class="hdlist1"> -o <name> </dt> <dd> <p> Instead of using the remote name <code>origin</code> to keep track of the upstream repository, use <code><name></code>. </p> </dd> <dt class="hdlist1"> --branch <name> </dt> <dt class="hdlist1"> -b <name> </dt> <dd> <p> Instead of pointing the newly created HEAD to the branch pointed to by the cloned repository’s HEAD, point to <code><name></code> branch instead. In a non-bare repository, this is the branch that will be checked out. <code>--branch</code> can also take tags and detaches the HEAD at that commit in the resulting repository. </p> </dd> <dt class="hdlist1"> --upload-pack <upload-pack> </dt> <dt class="hdlist1"> -u <upload-pack> </dt> <dd> <p> When given, and the repository to clone from is accessed via ssh, this specifies a non-default path for the command run on the other end. </p> </dd> <dt class="hdlist1"> --template=<template_directory> </dt> <dd> <p> Specify the directory from which templates will be used; (See the "TEMPLATE DIRECTORY" section of <a href="git-init.html">git-init(1)</a>.) </p> </dd> <dt class="hdlist1"> --config <key>=<value> </dt> <dt class="hdlist1"> -c <key>=<value> </dt> <dd> <p> Set a configuration variable in the newly-created repository; this takes effect immediately after the repository is initialized, but before the remote history is fetched or any files checked out. The key is in the same format as expected by <a href="git-config.html">git-config(1)</a> (e.g., <code>core.eol=true</code>). If multiple values are given for the same key, each value will be written to the config file. This makes it safe, for example, to add additional fetch refspecs to the origin remote. </p> </dd> <dt class="hdlist1"> --depth <depth> </dt> <dd> <p> Create a <em>shallow</em> clone with a history truncated to the specified number of revisions. A shallow repository has a number of limitations (you cannot clone or fetch from it, nor push from nor into it), but is adequate if you are only interested in the recent history of a large project with a long history, and would want to send in fixes as patches. </p> </dd> <dt class="hdlist1"> --[no-]single-branch </dt> <dd> <p> Clone only the history leading to the tip of a single branch, either specified by the <code>--branch</code> option or the primary branch remote’s <code>HEAD</code> points at. When creating a shallow clone with the <code>--depth</code> option, this is the default, unless <code>--no-single-branch</code> is given to fetch the histories near the tips of all branches. Further fetches into the resulting repository will only update the remote-tracking branch for the branch this option was used for the initial cloning. If the HEAD at the remote did not point at any branch when <code>--single-branch</code> clone was made, no remote-tracking branch is created. </p> </dd> <dt class="hdlist1"> --recursive </dt> <dt class="hdlist1"> --recurse-submodules </dt> <dd> <p> After the clone is created, initialize all submodules within, using their default settings. This is equivalent to running <code>git submodule update --init --recursive</code> immediately after the clone is finished. This option is ignored if the cloned repository does not have a worktree/checkout (i.e. if any of <code>--no-checkout</code>/<code>-n</code>, <code>--bare</code>, or <code>--mirror</code> is given) </p> </dd> <dt class="hdlist1"> --separate-git-dir=<git dir> </dt> <dd> <p> Instead of placing the cloned repository where it is supposed to be, place the cloned repository at the specified directory, then make a filesytem-agnostic Git symbolic link to there. The result is Git repository can be separated from working tree. </p> </dd> <dt class="hdlist1"> <repository> </dt> <dd> <p> The (possibly remote) repository to clone from. See the <a href="#URLS">URLS</a> section below for more information on specifying repositories. </p> </dd> <dt class="hdlist1"> <directory> </dt> <dd> <p> The name of a new directory to clone into. The "humanish" part of the source repository is used if no directory is explicitly given (<code>repo</code> for <code>/path/to/repo.git</code> and <code>foo</code> for <code>host.xz:foo/.git</code>). Cloning into an existing directory is only allowed if the directory is empty. </p> </dd> </dl></div> </div> </div> <div class="sect1"> <h2 id="_git_urls_a_id_urls_a">GIT URLS<a id="URLS"></a></h2> <div class="sectionbody"> <div class="paragraph"><p>In general, URLs contain information about the transport protocol, the address of the remote server, and the path to the repository. Depending on the transport protocol, some of this information may be absent.</p></div> <div class="paragraph"><p>Git supports ssh, git, http, and https protocols (in addition, ftp, and ftps can be used for fetching and rsync can be used for fetching and pushing, but these are inefficient and deprecated; do not use them).</p></div> <div class="paragraph"><p>The following syntaxes may be used with them:</p></div> <div class="ulist"><ul> <li> <p> ssh://[user@]host.xz[:port]/path/to/repo.git/ </p> </li> <li> <p> git://host.xz[:port]/path/to/repo.git/ </p> </li> <li> <p> http[s]://host.xz[:port]/path/to/repo.git/ </p> </li> <li> <p> ftp[s]://host.xz[:port]/path/to/repo.git/ </p> </li> <li> <p> rsync://host.xz/path/to/repo.git/ </p> </li> </ul></div> <div class="paragraph"><p>An alternative scp-like syntax may also be used with the ssh protocol:</p></div> <div class="ulist"><ul> <li> <p> [user@]host.xz:path/to/repo.git/ </p> </li> </ul></div> <div class="paragraph"><p>The ssh and git protocols additionally support ~username expansion:</p></div> <div class="ulist"><ul> <li> <p> ssh://[user@]host.xz[:port]/~[user]/path/to/repo.git/ </p> </li> <li> <p> git://host.xz[:port]/~[user]/path/to/repo.git/ </p> </li> <li> <p> [user@]host.xz:/~[user]/path/to/repo.git/ </p> </li> </ul></div> <div class="paragraph"><p>For local repositories, also supported by Git natively, the following syntaxes may be used:</p></div> <div class="ulist"><ul> <li> <p> /path/to/repo.git/ </p> </li> <li> <p> <a href="file:///path/to/repo.git/">file:///path/to/repo.git/</a> </p> </li> </ul></div> <div class="paragraph"><p>These two syntaxes are mostly equivalent, except the former implies --local option.</p></div> <div class="paragraph"><p>When Git doesn’t know how to handle a certain transport protocol, it attempts to use the <em>remote-<transport></em> remote helper, if one exists. To explicitly request a remote helper, the following syntax may be used:</p></div> <div class="ulist"><ul> <li> <p> <transport>::<address> </p> </li> </ul></div> <div class="paragraph"><p>where <address> may be a path, a server and path, or an arbitrary URL-like string recognized by the specific remote helper being invoked. See <a href="gitremote-helpers.html">gitremote-helpers(1)</a> for details.</p></div> <div class="paragraph"><p>If there are a large number of similarly-named remote repositories and you want to use a different format for them (such that the URLs you use will be rewritten into URLs that work), you can create a configuration section of the form:</p></div> <div class="listingblock"> <div class="content"> <pre><code> [url "<actual url base>"] insteadOf = <other url base></code></pre> </div></div> <div class="paragraph"><p>For example, with this:</p></div> <div class="listingblock"> <div class="content"> <pre><code> [url "git://git.host.xz/"] insteadOf = host.xz:/path/to/ insteadOf = work:</code></pre> </div></div> <div class="paragraph"><p>a URL like "work:repo.git" or like "host.xz:/path/to/repo.git" will be rewritten in any context that takes a URL to be "git://git.host.xz/repo.git".</p></div> <div class="paragraph"><p>If you want to rewrite URLs for push only, you can create a configuration section of the form:</p></div> <div class="listingblock"> <div class="content"> <pre><code> [url "<actual url base>"] pushInsteadOf = <other url base></code></pre> </div></div> <div class="paragraph"><p>For example, with this:</p></div> <div class="listingblock"> <div class="content"> <pre><code> [url "ssh://example.org/"] pushInsteadOf = git://example.org/</code></pre> </div></div> <div class="paragraph"><p>a URL like "git://example.org/path/to/repo.git" will be rewritten to "ssh://example.org/path/to/repo.git" for pushes, but pulls will still use the original URL.</p></div> </div> </div> <div class="sect1"> <h2 id="_examples">Examples</h2> <div class="sectionbody"> <div class="ulist"><ul> <li> <p> Clone from upstream: </p> <div class="listingblock"> <div class="content"> <pre><code>$ git clone git://git.kernel.org/pub/scm/.../linux-2.6 my2.6 $ cd my2.6 $ make</code></pre> </div></div> </li> <li> <p> Make a local clone that borrows from the current directory, without checking things out: </p> <div class="listingblock"> <div class="content"> <pre><code>$ git clone -l -s -n . ../copy $ cd ../copy $ git show-branch</code></pre> </div></div> </li> <li> <p> Clone from upstream while borrowing from an existing local directory: </p> <div class="listingblock"> <div class="content"> <pre><code>$ git clone --reference my2.6 \ git://git.kernel.org/pub/scm/.../linux-2.7 \ my2.7 $ cd my2.7</code></pre> </div></div> </li> <li> <p> Create a bare repository to publish your changes to the public: </p> <div class="listingblock"> <div class="content"> <pre><code>$ git clone --bare -l /home/proj/.git /pub/scm/proj.git</code></pre> </div></div> </li> <li> <p> Create a repository on the kernel.org machine that borrows from Linus: </p> <div class="listingblock"> <div class="content"> <pre><code>$ git clone --bare -l -s /pub/scm/.../torvalds/linux-2.6.git \ /pub/scm/.../me/subsys-2.6.git</code></pre> </div></div> </li> </ul></div> </div> </div> <div class="sect1"> <h2 id="_git">GIT</h2> <div class="sectionbody"> <div class="paragraph"><p>Part of the <a href="git.html">git(1)</a> suite</p></div> </div> </div> </div> <div id="footnotes"><hr /></div> <div id="footer"> <div id="footer-text"> Last updated 2013-06-10 20:01:55 UTC </div> </div> </body> </html>