dt class="hdlist1">--env-filter &lt;command&gt;</dt>
<dd>
<p>This filter may be used if you only need to modify the environment
in which the commit will be performed.  Specifically, you might
want to rewrite the author/committer name/email/time environment
variables (see <a href="git-commit-tree.html">git-commit-tree(1)</a> for details).</p>
</dd>
<dt class="hdlist1">--tree-filter &lt;command&gt;</dt>
<dd>
<p>This is the filter for rewriting the tree and its contents.
The argument is evaluated in shell with