/usr/share/mercurial/templates/gitweb/changelogentry.tmpl is in mercurial-common 4.5.3-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | <div>
<a class="title" href="{url|urlescape}rev/{node|short}{sessionvars%urlparameter}">
<span class="age">{date|rfc822date}</span>
{desc|strip|firstline|escape|nonempty}
{alltags}
</a>
</div>
<div class="title_text">
<div class="log_link">
<a href="{url|urlescape}rev/{node|short}{sessionvars%urlparameter}">changeset</a><br/>
</div>
<i>{author|obfuscate} [{date|rfc822date}] rev {rev}</i><br/>
</div>
<div class="log_body description">{desc|strip|escape|websub|nonempty}
</div>
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