I've just tried this (commit c1fa07a). Recent changes shows:

<div id="change-c1fa07ad4f165b42c962ba2a310681107f38c4f7" class="metadata">
<span class="desc"><br />Changed pages:</span>
<span class="pagelinks">

<a href="http://git.ikiwiki.info/?p=ikiwiki;a=blobdiff;h=8bfa3dd7601a09b11ecbd20026849a777dc4b1b9;hp=c6302616f52ec058de5a8f5956fc512149a2f1a3;hb=1ea66c3d3f0a33bc3f04d073457b525a70380c37;f=doc/users/jondowland.mdwn"><img src="/wikiicons/diff.png" alt="diff" /></a><a href="http://ikiwiki.info/ikiwiki.cgi?page=users%2Fjondowland&amp;do=recentchanges_link">users/jondowland</a>


</span>
<span class="desc"><br />Changed by:</span>
<span class="committer">

<a href="http://ikiwiki.info/ikiwiki.cgi?page=users%2Fjon&amp;do=recentchanges_link">jon</a>

</span>
<span class="desc"><br />Commit type:</span>
<span class="committype">git</span>
<span class="desc"><br />Date:</span>
<span class="changedate"><span class="relativedate" title="Mon, 10 Nov 2008 18:24:22 -0500">18:24:22 11/10/08</span>
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Note that the user for the commit is 'jon', and the link points at cgi to
create users/jon. I was wondering if that is configurable for users pushing
via git. It would be nice perhaps to specify it in some way, perhaps via a
git-config setting (user.name?). I'm not too familiar with exactly what the
changeset contains. -- [[JonDowland]]

> All ikiwiki can do it look at who git has recorded as the author of
> the change (and it looks at the username part of the email address).
> You can set `user.email` in `.git/config`. --[[Joey]]