e>GIT_NOTES_REWRITE_MODE</code></dt>
<dd>
<p>When copying notes during a rewrite, what to do if the target
commit already has a note.
Must be one of <code>overwrite</code>, <code>concatenate</code>, <code>cat_sort_uniq</code>, or <code>ignore</code>.
This overrides the <code>core.rewriteMode</code> setting.</p>
</dd>
<dt class="hdlist1"><code>GIT_NOTES_REWRITE_REF</code></dt>
<dd>
<p>When rewriting commits, which notes to copy from the original
to the rewritten commit.  Must be a colon-delimited list of
ref