er all the refs have
been updated.</p>
</div>
<div class="paragraph">
<p>It takes a variable number of parameters, each of which is the
name of ref that was actually updated.</p>
</div>
<div class="paragraph">
<p>This hook is meant primarily for notification, and cannot affect
the outcome of <code>git receive-pack</code>.</p>
</div>
<div class="paragraph">
<p>The <em>post-update</em> hook can tell what are the heads that were pushed,
but it does not know what their original and updated values are,
so it is 