rations like <a href="git-prune.html">git-prune(1)</a>. You should not need to set
it yourself unless you want to be paranoid about making sure
an operation has touched every ref (e.g., because you are
cloning a repository to make a backup).</p>
</dd>
<dt class="hdlist1"><code>GIT_ALLOW_PROTOCOL</code></dt>
<dd>
<p>If set to a colon-separated list of protocols, behave as if
<code>protocol.allow</code> is set to <code>never</code>, and each of the listed
protocols has <code>protocol.&lt;name&gt;.allow</code>