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  <div class="section" id="contribute-to-paddlepaddle">
<span id="contribute-to-paddlepaddle"></span><h1>Contribute to PaddlePaddle<a class="headerlink" href="#contribute-to-paddlepaddle" title="Permalink to this headline">¶</a></h1>
<p>We sincerely appreciate your contributions. You can use fork and pull request
workflow to merge your code.</p>
<div class="section" id="code-requirements">
<span id="code-requirements"></span><h2>Code Requirements<a class="headerlink" href="#code-requirements" title="Permalink to this headline">¶</a></h2>
<ul class="simple">
<li>Your code mush be fully documented by
<a class="reference external" href="http://www.stack.nl/~dimitri/doxygen/">doxygen</a> style.</li>
<li>Make sure the compiler option WITH_STYLE_CHECK is on and the compiler
passes the code style check.</li>
<li>All code must have unit test.</li>
<li>Pass all unit tests.</li>
</ul>
<p>The following tutorial guides you into submitting your contibution.</p>
</div>
<div class="section" id="creating-a-fork">
<span id="creating-a-fork"></span><h2><a class="reference external" href="https://help.github.com/articles/fork-a-repo/">Creating a Fork</a><a class="headerlink" href="#creating-a-fork" title="Permalink to this headline">¶</a></h2>
<p>Just head over to the GitHub page and click the &#8220;Fork&#8221; button.
It&#8217;s just that simple.</p>
</div>
<div class="section" id="clone">
<span id="clone"></span><h2>Clone<a class="headerlink" href="#clone" title="Permalink to this headline">¶</a></h2>
<p>Once you&#8217;ve created a fork, you can use your favorite git client to clone your
repo or just head straight to the command line:</p>
<div class="highlight-shell"><div class="highlight"><pre><span></span><span class="c1"># Clone your fork to your local machine</span>
git clone https://github.com/USERNAME/Paddle.git
</pre></div>
</div>
<p>Then you can start to develop by making a local developement branch</p>
<div class="highlight-shell"><div class="highlight"><pre><span></span>git checkout -b MY_COOL_STUFF_BRANCH origin/master
</pre></div>
</div>
</div>
<div class="section" id="commit">
<span id="commit"></span><h2>Commit<a class="headerlink" href="#commit" title="Permalink to this headline">¶</a></h2>
<p>Commit your changes by following command lines:</p>
<div class="highlight-shell"><div class="highlight"><pre><span></span><span class="c1"># show the working tree status</span>
git status
<span class="c1"># add modified files</span>
git add xx
git commit -m <span class="s2">&quot;commit info&quot;</span>
</pre></div>
</div>
<p>The first line of commit infomation is the title. The second and later lines
are the details if any.</p>
</div>
<div class="section" id="keeping-fork-up-to-date">
<span id="keeping-fork-up-to-date"></span><h2>Keeping Fork Up to Date<a class="headerlink" href="#keeping-fork-up-to-date" title="Permalink to this headline">¶</a></h2>
<p>Before pull your request, you should sync your code from the latest PaddlePaddle.
To do this, you&#8217;ll need to add a remote at first:</p>
<div class="highlight-shell"><div class="highlight"><pre><span></span><span class="c1"># see the current configured remote repository</span>
git remote -v
<span class="c1"># add upstream repository</span>
git remote add upstream https://github.com/baidu/Paddle.git
<span class="c1"># verify the new upstream</span>
git remote -v
</pre></div>
</div>
<p>Update your fork with the latest upstream changes:</p>
<div class="highlight-shell"><div class="highlight"><pre><span></span>git pull --rebase upstream HEAD
</pre></div>
</div>
<p>If there are no unique commits locally, git will simply perform a fast-forward.
However, if you have been making changes (in the vast majority of cases you
probably shouldn&#8217;t be), you may have to deal with conflicts.</p>
<p>Now, your local master branch is up-to-date with everything modified upstream.</p>
</div>
<div class="section" id="push-to-github">
<span id="push-to-github"></span><h2>Push to GitHub<a class="headerlink" href="#push-to-github" title="Permalink to this headline">¶</a></h2>
<div class="highlight-shell"><div class="highlight"><pre><span></span><span class="c1"># push to your repository in Github</span>
git push origin HEAD
</pre></div>
</div>
</div>
<div class="section" id="pull-request">
<span id="pull-request"></span><h2>Pull Request<a class="headerlink" href="#pull-request" title="Permalink to this headline">¶</a></h2>
<p>Go to the page for your fork on GitHub, select your development branch,
and click the <strong>pull request button</strong>.</p>
</div>
<div class="section" id="update-your-pull-request-with-the-lastest-version">
<span id="update-your-pull-request-with-the-lastest-version"></span><h2>Update your pull request with the lastest version<a class="headerlink" href="#update-your-pull-request-with-the-lastest-version" title="Permalink to this headline">¶</a></h2>
<p>During the code review, your pull request may become stale because new commits in
baidu/Paddle. GitHub allows autmotic update if there is no conflict. You can do this
by clicking the &#8220;Update Branch&#8221; button in your pull request page. However, in the case
of conflict, you need to do the update manually. You need to do the following on
your local repository:</p>
<div class="highlight-shell"><div class="highlight"><pre><span></span>git checkout MY_COOL_STUFF_BRANCH
git pull --rebase upstream HEAD
<span class="c1"># You may need to resolve the conflict according to the git prompt.</span>
<span class="c1"># Make and test your code.</span>
git push -f origin HEAD
</pre></div>
</div>
<p>Now your Pull Request is updated with the latest version.</p>
</div>
</div>


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  <h3><a href="../index.html">Table Of Contents</a></h3>
  <ul>
<li><a class="reference internal" href="#">Contribute to PaddlePaddle</a><ul>
<li><a class="reference internal" href="#code-requirements">Code Requirements</a></li>
<li><a class="reference internal" href="#creating-a-fork">Creating a Fork</a></li>
<li><a class="reference internal" href="#clone">Clone</a></li>
<li><a class="reference internal" href="#commit">Commit</a></li>
<li><a class="reference internal" href="#keeping-fork-up-to-date">Keeping Fork Up to Date</a></li>
<li><a class="reference internal" href="#push-to-github">Push to GitHub</a></li>
<li><a class="reference internal" href="#pull-request">Pull Request</a></li>
<li><a class="reference internal" href="#update-your-pull-request-with-the-lastest-version">Update your pull request with the lastest version</a></li>
</ul>
</li>
</ul>

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