r,
the name of the file that holds the proposed commit log message.
Exiting with a non-zero status causes the command to abort.</p>
</div>
<div class="paragraph">
<p>The hook is allowed to edit the message file in place, and can be used
to normalize the message into some project standard format. It
can also be used to refuse the commit after inspecting the message
file.</p>
</div>
<div class="paragraph">
<p>The default <em>commit-msg</em> hook, when enabled, detects duplicate
<code>Signed-off-by</code> trai