#8203;
If it is negotiated to not use the push options phase, the
environment variables will not be set. If the client selects
to use push options, but doesn&#8217;t transmit any, the count variable
will be set to zero, <code>GIT_PUSH_OPTION_COUNT=0</code>.</p>
</div>
<div class="paragraph">
<p>See the section on "Quarantine Environment" in
<a href="git-receive-pack.html">git-receive-pack(1)</a> for some caveats.</p>
</div>
</div>
<div class="sect2">
<h3 id="update">update</h3>
<div class="paragraph">
<p>Th