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class="wy-breadcrumbs-aside"> <a href="https://github.com/nextcloud/documentation/edit/master/admin_manual/issues/applying_patch.rst" class="fa fa-github"> Edit on GitHub</a> </li> </ul> <hr/> </div> <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article"> <div itemprop="articleBody"> <section id="patching-nextcloud"> <h1>Patching Nextcloud<a class="headerlink" href="#patching-nextcloud" title="Link to this heading"></a></h1> <section id="obtaining-a-patch"> <h2>Obtaining a patch<a class="headerlink" href="#obtaining-a-patch" title="Link to this heading"></a></h2> <p>If you found a related pull request on GitHub that solves your issue, or you want to help developers and verify a fix works, you can get a patch for the pull request.</p> <ol class="arabic simple"> <li><p>Using <a class="reference external" href="https://github.com/nextcloud/server/pull/26396">https://github.com/nextcloud/server/pull/26396</a> as an example.</p></li> <li><p>Append <code class="docutils literal notranslate"><span class="pre">.diff</span></code> to the URL: <a class="reference external" href="https://github.com/nextcloud/server/pull/26396.diff">https://github.com/nextcloud/server/pull/26396.diff</a></p></li> <li><p>Download the patch to your server e.g. via <code class="docutils literal notranslate"><span class="pre">wget</span> <span class="pre">https://github.com/nextcloud/server/pull/26396.diff</span></code> (this will place <code class="docutils literal notranslate"><span class="pre">26396.diff</span></code> in the local directory)</p></li> <li><p>Follow the <a class="reference internal" href="#applying-a-patch">Applying a patch</a> steps.</p></li> <li><p>If you are on an older Nextcloud version, you might first need to go to the correct backported patch for your version.</p></li> </ol> <img alt="backportbot-nextcloud linking to the pull request for an older version." src="../_images/getting-a-patch-from-github.png" /> <ol class="arabic simple" start="6"> <li><p>You can find the appropriate version by looking for a link posted by <code class="docutils literal notranslate"><span class="pre">backportbot-nextcloud</span></code> to the backport pull request for your release, or by checking for a developer comment with a manual backport link. Use the <code class="docutils literal notranslate"><span class="pre">.diff</span></code> URL of that backport PR.</p></li> </ol> </section> <section id="applying-a-patch"> <h2>Applying a patch<a class="headerlink" href="#applying-a-patch" title="Link to this heading"></a></h2> <section id="patching-server"> <h3>Patching server<a class="headerlink" href="#patching-server" title="Link to this heading"></a></h3> <ol class="arabic"> <li><p>Navigate to your Nextcloud server’s root directory (the one that contains the <code class="docutils literal notranslate"><span class="pre">status.php</span></code> file).</p></li> <li><p>Download the patch to your server e.g. via <code class="docutils literal notranslate"><span class="pre">wget</span> <span class="pre">https://github.com/nextcloud/server/pull/26396.diff</span></code> (this will place <code class="docutils literal notranslate"><span class="pre">26396.diff</span></code> in the local directory)</p></li> <li><p>Apply the patch with the following command:</p> <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">patch</span> <span class="o">-</span><span class="n">p</span> <span class="mi">1</span> <span class="o"><</span> <span class="o">./</span><span class="mf">26396.</span><span class="n">diff</span> </pre></div> </div> </li> <li><p>Alternatively, if the patch command is not available, use:</p> <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">git</span> <span class="n">apply</span> <span class="o">--</span><span class="n">check</span> <span class="o">./</span><span class="mf">26396.</span><span class="n">diff</span> <span class="n">git</span> <span class="n">apply</span> <span class="o">./</span><span class="mf">26396.</span><span class="n">diff</span> </pre></div> </div> </li> </ol> </section> <section id="patching-apps"> <h3>Patching apps<a class="headerlink" href="#patching-apps" title="Link to this heading"></a></h3> <ol class="arabic simple"> <li><p>Navigate to the root of the app (usually <code class="docutils literal notranslate"><span class="pre">apps/[APPID]/</span></code>). If you cannot find the app there, use the <code class="docutils literal notranslate"><span class="pre">sudo</span> <span class="pre">-E</span> <span class="pre">-u</span> <span class="pre">www-data</span> <span class="pre">php</span> <span class="pre">occ</span> <span class="pre">app:getpath</span> <span class="pre">APPID</span></code> command to find the path.</p></li> <li><p>Download the patch to your server e.g. via <code class="docutils literal notranslate"><span class="pre">wget</span> <span class="pre">https://github.com/nextcloud/<app>/pull/26396.diff</span></code> (this will place <code class="docutils literal notranslate"><span class="pre">26396.diff</span></code> in the local directory)</p></li> <li><p>Apply the patch with the same command as in <a class="reference internal" href="#patching-server">Patching server</a>.</p></li> </ol> </section> </section> <section id="reverting-a-patch"> <h2>Reverting a patch<a class="headerlink" href="#reverting-a-patch" title="Link to this heading"></a></h2> <ol class="arabic"> <li><p>Navigate to the directory where you applied the patch.</p></li> <li><p>Revert the patch with the <code class="docutils literal notranslate"><span class="pre">-R</span></code> option:</p> <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">patch</span> <span class="o">-</span><span class="n">R</span> <span class="o">-</span><span class="n">p</span> <span class="mi">1</span> <span class="o"><</span> <span class="o">./</span><span class="mf">26396.</span><span class="n">diff</span> </pre></div> </div> </li> <li><p>Alternatively, if the patch command is not available, use:</p> <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">git</span> <span class="n">apply</span> <span class="o">--</span><span class="n">reverse</span> <span class="o">./</span><span class="mf">26396.</span><span class="n">diff</span> </pre></div> </div> </li> </ol> </section> <section id="notes-and-troubleshooting"> <h2>Notes and troubleshooting<a class="headerlink" href="#notes-and-troubleshooting" title="Link to this heading"></a></h2> <div class="admonition note"> <p class="admonition-title">Note</p> <p>You may see errors about files not being found, especially when applying patches from GitHub. Patches can include development or test files (for example, files under <code class="docutils literal notranslate"><span class="pre">build/</span></code> or <code class="docutils literal notranslate"><span class="pre">tests/</span></code>) that are not present on your installation. 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