re-unmatch ...</code>, see EXAMPLES below.  For hairy
cases, see <a href="git-update-index.html">git-update-index(1)</a>.</p>
</dd>
<dt class="hdlist1">--parent-filter &lt;command&gt;</dt>
<dd>
<p>This is the filter for rewriting the commit&#8217;s parent list.
It will receive the parent string on stdin and shall output
the new parent string on stdout.  The parent string is in
the format described in <a href="git-commit-tree.html">git-commit-tree(1)</a>: empty for
the initial commit, "-p parent" for a norma