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<h1 class="post-title">Clang format</h1>
<h3>Clang format in MXNet codebase for reviewers and contributors.</h3><a style="float:left; margin-top:20px" href="/versions/master/community/index" class="btn btn-action">Contribute
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<h1 id="clang-format-guide-and-tips">Clang-format Guide and Tips</h1>
<p>This wiki page describes how to set up clang-format tool as a part of your worklow. Running the command given in the description will fix clang-format problem.</p>
<ul>
<li>Add <code class="highlighter-rouge">tools/lint/git-clang-format-13 </code> to your <code class="highlighter-rouge">$PATH</code>. Once its added to your <code class="highlighter-rouge">$PATH</code>, running <code class="highlighter-rouge">git clang-format</code> will invoke it.
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>git clang-format
</code></pre></div> </div>
</li>
<li>To reformat chosen file just do:
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c"># `_FILE_NAME_` is the name of a file to be formatted.</span>
<span class="c"># i - apply edits to files instead of displaying a diff</span>
clang-format <span class="nt">-i</span> _FILE_NAME_
</code></pre></div> </div>
</li>
<li>To reformat all the lines in the latest git commit, just do:
```bash
git diff -U0 –no-color HEAD^ | clang-format-diff.py -i -p1</li>
</ul>
<div class="highlighter-rouge"><div class="highlight"><pre class="highlight"><code>
- If you want to apply clang-format only to the changed lines in each commit do the following:
```bash
# If it's a child of origin/master, the following command-line could be used:
# If you want to run this command on another brnach, then origin/master needs to be replaced.
export COMMIT_SHA=$(git rev-list --ancestry-path origin/master..HEAD | tail -n 1)
git filter-branch --tree-filter 'git-clang-format $COMMIT_SHA^' -- $COMMIT_SHA..HEAD
</code></pre></div></div>
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