s no arguments.  It receives one line on standard input for
each ref that is successfully updated following the same format as the
<a href="#pre-receive"><em>pre-receive</em></a> hook.</p>
</div>
<div class="paragraph">
<p>This hook does not affect the outcome of <code>git receive-pack</code>, as it
is called after the real work is done.</p>
</div>
<div class="paragraph">
<p>This supersedes the <a href="#post-update"><em>post-update</em></a> hook in that it gets
both old and new values of all the refs in ad