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<body class="manpage">
<div id="header">
<h1>
git-drover(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>git-drover -
   Apply a commit from the trunk to a release branch, or from one release branch to another.
</p>
</div>
</div>
<div id="content">
<div class="sect1">
<h2 id="_synopsis">SYNOPSIS</h2>
<div class="sectionbody">
<div class="verseblock">
<pre class="content"><em>git drover</em> --branch &lt;branch&gt;
           (--cherry-pick &lt;change&gt; | --continue [path_to_workdir] |
            --abort [path_to_workdir])
           [--parent_checkout &lt;path-to-existing-checkout&gt;]
           [--verbose] [--dry-run]</pre>
<div class="attribution">
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="paragraph"><p><code>git drover</code> applies a commit to a release branch. It creates a new workdir from
an existing checkout to avoid downloading a new checkout without affecting the
existing checkout.</p></div>
<div class="paragraph"><p><code>git drover</code> does not support reverts. See the EXAMPLE section for the
equivalent sequence of commands to run.</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_options">OPTIONS</h2>
<div class="sectionbody">
<div class="dlist"><dl>
<dt class="hdlist1">
--branch &lt;branch&gt;
</dt>
<dd>
<p>
  The branch to cherry-pick the commit to.
</p>
</dd>
<dt class="hdlist1">
--cherry-pick &lt;commit&gt;
</dt>
<dd>
<p>
  The commit to cherry-pick.
</p>
</dd>
<dt class="hdlist1">
--continue [path_to_workdir]
</dt>
<dd>
<p>
  Continue a cherry-pick that required manual resolution. The path to the drover
  workdir is optional. If unspecified, the current directory is used.
</p>
</dd>
<dt class="hdlist1">
--abort [path_to_workdir]
</dt>
<dd>
<p>
  Abort a cherry-pick that required manual resolution and clean up its workdir.
  The path to the drover workdir is optional. If unspecified, the current
  directory is used.
</p>
</dd>
<dt class="hdlist1">
--parent_checkout
</dt>
<dd>
<p>
  The path to the chromium checkout to use as the source for a creating
  git-new-workdir workdir to use for cherry-picking. If unspecified, the current
  directory is used.
</p>
</dd>
<dt class="hdlist1">
-v
</dt>
<dt class="hdlist1">
--verbose
</dt>
<dd>
<p>
  Enable verbose logging.
</p>
</dd>
<dt class="hdlist1">
--dry-run
</dt>
<dd>
<p>
  Skip landing the cherry-pick. Just ensure that the commit can be cherry-picked
  into the branch.
</p>
</dd>
</dl></div>
</div>
</div>
<div class="sect1">
<h2 id="_example">EXAMPLE</h2>
<div class="sectionbody">
<div class="sect2">
<h3 id="_prerequisites">PREREQUISITES</h3>
<div class="paragraph"><p>Before working with branches, you must
<code>gclient sync --with_branch_heads</code>
at least once to fetch the branches.</p></div>
<div class="sect3">
<h4 id="_merge_example">Merge Example</h4>
<div class="paragraph"><p></p></div><div class="listingblock"><div class="content"><pre><code># Here's a commit (from some.committer) that we want to 'drover'.
<span style="font-weight: bold; color: #ffffff">$ git log -n 1 --pretty=fuller</span>
<span style="color: #e7e71c">commit c980d966aab8516cc651409da4bf21ca8a4a3613</span>
Author:     some.committer &lt;some.committer@chromium.org&gt;
AuthorDate: Thu Apr 10 08:54:46 2014 +0000
Commit:     some.committer &lt;some.committer@chromium.org&gt;
CommitDate: Thu Apr 10 08:54:46 2014 +0000

    This change needs to go to branch 9999

# Now do the 'drover'.
<span style="font-weight: bold; color: #ffffff">$ git drover --branch 9999 --cherry-pick c980d966aab8516cc651409da4bf21ca8a4a3613</span>
Going to cherry-pick
"""
<span style="color: #e7e71c">commit c980d966aab8516cc651409da4bf21ca8a4a3613</span>
Author: some.committer &lt;some.committer@chromium.org&gt;
Date:   Thu Apr 10 08:54:46 2014 +0000

    This change needs to go to branch 9999
"""
to 9999. Continue (y/n)? y

# A cl is uploaded to rietveld, where it can be reviewed before landing.

About to land on 9999. Continue (y/n)? y
# The cherry-pick cl is landed on the branch 9999.
</code></pre></div></div><p><div class="paragraph"></p></div>
</div>
<div class="sect3">
<h4 id="_merge_with_conflicts_example">Merge with Conflicts Example</h4>
<div class="paragraph"><p></p></div><div class="listingblock"><div class="content"><pre><code># Here's a commit (from some.committer) that we want to 'drover'.
<span style="font-weight: bold; color: #ffffff">$ git log -n 1 --pretty=fuller</span>
<span style="color: #e7e71c">commit 2d78cf765179c7be5e7e6d1e4565a0d3769e9174</span>
Author:     some.committer &lt;some.committer@chromium.org&gt;
AuthorDate: Thu Apr 10 08:54:46 2014 +0000
Commit:     some.committer &lt;some.committer@chromium.org&gt;
CommitDate: Thu Apr 10 08:54:46 2014 +0000

    This change needs to go to branch 9999

# Now do the 'drover'.
<span style="font-weight: bold; color: #ffffff">$ git drover --branch 9999 --cherry-pick 2d78cf765179c7be5e7e6d1e4565a0d3769e9174</span>
Going to cherry-pick
"""
<span style="color: #e7e71c">commit 2d78cf765179c7be5e7e6d1e4565a0d3769e9174</span>
Author: some.committer &lt;some.committer@chromium.org&gt;
Date:   Thu Apr 10 08:54:46 2014 +0000

    This change needs to go to branch 9999
"""
to 9999. Continue (y/n)? y

Error: Patch failed to apply.

A workdir for this cherry-pick has been created in
  /tmp/drover_9999

To continue, resolve the conflicts there and run
  git drover --continue /tmp/drover_9999

To abort this cherry-pick run
  git drover --abort /tmp/drover_9999

<span style="font-weight: bold; color: #ffffff">$ pushd /tmp/drover_9999</span>
# Manually resolve conflicts.
<span style="font-weight: bold; color: #ffffff">$ git add path/to/file_with_conflicts</span>
<span style="font-weight: bold; color: #ffffff">$ popd</span>
<span style="font-weight: bold; color: #ffffff">$ git drover --continue /tmp/drover_9999</span>

# A cl is uploaded to rietveld, where it can be reviewed before landing.

About to land on 9999. Continue (y/n)? y
# The cherry-pick cl is landed on the branch 9999.
</code></pre></div></div><p><div class="paragraph"></p></div>
</div>
<div class="sect3">
<h4 id="_revert_example">Revert Example</h4>
<div class="paragraph"><p></p></div><div class="listingblock"><div class="content"><pre><code># Make sure we have the most up-to-date branch sources.
<span style="font-weight: bold; color: #ffffff">$ git fetch</span>

# Checkout the branch with the change we want to revert.
<span style="font-weight: bold; color: #ffffff">$ git checkout -b drover_9999 branch-heads/9999</span>
Branch 'drover_9999' set up to track remote ref 'refs/branch-heads/9999'.

# Here's the commit we want to revert.
<span style="font-weight: bold; color: #ffffff">$ git log -n 1</span>
<span style="color: #e7e71c">commit 54f88a53372983c7aecacfb9a4d2fa63501fda58</span>
Author: some.committer &lt;some.committer@chromium.org&gt;
Date:   Thu Apr 10 08:54:46 2014 +0000

    This change is horribly broken.

# Now do the revert.
<span style="font-weight: bold; color: #ffffff">$ git revert 54f88a53372983c7aecacfb9a4d2fa63501fda58</span>

# That reverted the change and committed the revert.
<span style="font-weight: bold; color: #ffffff">$ git log -n 1</span>
<span style="color: #e7e71c">commit 4d932bdd1071e318e6a4d3d6fd6034f9105cad5a</span>
Author: you &lt;you@chromium.org&gt;
Date:   Thu Apr 10 09:11:36 2014 +0000

    Revert "This change is horribly broken."

    This reverts commit 54f88a53372983c7aecacfb9a4d2fa63501fda58.

# As with old drover, reverts are generally OK to commit without LGTM.
<span style="font-weight: bold; color: #ffffff">$ git cl upload -r some.committer@chromium.org --send-mail</span>
<span style="font-weight: bold; color: #ffffff">$ git cl land --bypass-hooks</span>
</code></pre></div></div><p><div class="paragraph"></p></div>
<div class="paragraph"><p>If your cherrypick onto a release branch gets reverted, do not create a new
cherrypick from master onto that release branch. Instead, use the "Reland"
button on the original cherrypick CL.</p></div>
</div>
<div class="sect3">
<h4 id="_manual_merge_example">Manual Merge Example</h4>
<div class="paragraph"><p></p></div><div class="listingblock"><div class="content"><pre><code># Make sure we have the most up-to-date branch sources.
<span style="font-weight: bold; color: #ffffff">$ git fetch</span>

# Here's a commit (from some.committer) that we want to 'drover'.
<span style="font-weight: bold; color: #ffffff">$ git log -n 1 --pretty=fuller</span>
<span style="color: #e7e71c">commit 8ed5a6585548f2092890b404f6ff49bd5ce6ab9a</span>
Author:     some.committer &lt;some.committer@chromium.org&gt;
AuthorDate: Thu Apr 10 08:54:46 2014 +0000
Commit:     some.committer &lt;some.committer@chromium.org&gt;
CommitDate: Thu Apr 10 08:54:46 2014 +0000

    This change needs to go to branch 9999

# Checkout the branch we want to 'drover' to.
<span style="font-weight: bold; color: #ffffff">$ git checkout -b drover_9999 branch-heads/9999</span>
Branch 'drover_9999' set up to track remote ref 'refs/branch-heads/9999'.

# Now do the 'drover'.
# IMPORTANT!!! Do Not leave off the '-x' flag
<span style="font-weight: bold; color: #ffffff">$ git cherry-pick -x 8ed5a6585548f2092890b404f6ff49bd5ce6ab9a</span>
[drover_9999 77a956b] This change needs to go to branch 9999
 Author: some.committer &lt;some.committer@chromium.org&gt;
 Date: Thu Apr 10 08:54:46 2014 +0000
 1 file changed, 1 insertion(+)
 create mode 100644 modified_file

# That took the code authored by some.committer and committed it to
# the branch by the person who drovered it (i.e. you).
<span style="font-weight: bold; color: #ffffff">$ git log -n 1 --pretty=fuller</span>
<span style="color: #e7e71c">commit 77a956ba0f28eb29ed009f58a5d71b6a10283358</span>
Author:     some.committer &lt;some.committer@chromium.org&gt;
AuthorDate: Thu Apr 10 08:54:46 2014 +0000
Commit:     you &lt;you@chromium.org&gt;
CommitDate: Thu Apr 10 09:11:36 2014 +0000

    This change needs to go to branch 9999

    (cherry picked from commit 8ed5a6585548f2092890b404f6ff49bd5ce6ab9a)

# Looks good. Ship it!
<span style="font-weight: bold; color: #ffffff">$ git cl upload</span>
# Wait for LGTM or TBR it.
<span style="font-weight: bold; color: #ffffff">$ git cl land</span>
# Or skip the LGTM/TBR and just 'git cl land --bypass-hooks'
</code></pre></div></div><p><div class="paragraph"></p></div>
<div class="paragraph"><p>If <code>git cl upload</code> errors out, the branch you&#8217;re uploading to probably has a CL
with the same Change-Id. Instead of cherry-picking manually, use the Reland
button in the Gerrit UI to create a new CL, and patch that CL into your client.</p></div>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_see_also">SEE ALSO</h2>
<div class="sectionbody">
<div class="paragraph"><p><a href="git-cherry-pick.html">git-cherry-pick(1)</a>, <a href="git-revert.html">git-revert(1)</a></p></div>
</div>
</div>
<div class="sect1">
<h2 id="_chromium_depot_tools">CHROMIUM DEPOT_TOOLS</h2>
<div class="sectionbody">
<div class="paragraph"><p>Part of the chromium <a href="depot_tools.html">depot_tools(7)</a> suite. These tools are meant to
assist with the development of chromium and related projects. Download the tools
from <a href="https://chromium.googlesource.com/chromium/tools/depot_tools.git">here</a>.</p></div>
</div>
</div>
</div>
<div id="footnotes"><hr /></div>
<div id="footer">
<div id="footer-text">
Last updated 2019-05-03 10:40:16 EDT
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