Fix traceback when nothing was added during unbundle
The changegroup and commit hook are now run only when
something is modified.
The correct number of changesets added is printed.
#header#
<title>#repo|escape#:#file#</title>
</head>
<body>
<div class="buttons">
<a href="?cmd=changelog;rev=#rev#">changelog</a>
<a href="?cmd=tags">tags</a>
<a href="?cmd=changeset;node=#node#">changeset</a>
<a href="?cmd=manifest;manifest=#manifest#;path=#path#">manifest</a>
<a href="?cmd=filelog;file=#file#;filenode=#filenode#">revisions</a>
<a href="?cmd=annotate;file=#file#;filenode=#filenode#">annotate</a>
<a href="?cmd=file;file=#file#;filenode=#filenode#;style=raw">raw</a>
</div>
<h2>#file#</h2>
<table>
<tr>
<td class="metatag">changeset #rev#:</td>
<td><a href="?cmd=changeset;node=#node#">#node|short#</a></td></tr>
#parent#
<tr>
<td class="metatag">author:</td>
<td>#author|obfuscate#</td></tr>
<tr>
<td class="metatag">date:</td>
<td>#date|date# (#date|age# ago)</td></tr>
<tr>
<td class="metatag">permissions:</td>
<td>#permissions|permissions#</td></tr>
</table>
<pre>
#text%fileline#
</pre>
#footer#