here is no parameter given by the user, use <code>&lt;arg&gt;</code>
instead.</p>
</dd>
<dt class="hdlist1">--prefix &lt;arg&gt;</dt>
<dd>
<p>Behave as if <em>git rev-parse</em> was invoked from the <code>&lt;arg&gt;</code>
subdirectory of the working tree.  Any relative filenames are
resolved as if they are prefixed by <code>&lt;arg&gt;</code> and will be printed
in that form.</p>
<div class="paragraph">
<p>This can be used to convert arguments to a command run in a subdirectory
so that they can still be u