Ignore EPIPE in pipefilter
This hides the following traceback (there's a race condition involved,
so you may have to try a few times to hit it):
$ hg sign --key key-that-does-not-exist
Signing 2062:4bad92f4ea65
gpg: skipped "key-that-does-not-exist": secret key not available
gpg: signing failed: secret key not available
Exception in thread Thread-1:
Traceback (most recent call last):
File "threading.py", line 442, in __bootstrap
self.run()
File "threading.py", line 422, in run
self.__target(*self.__args, **self.__kwargs)
File "mercurial/util.py", line 24, in writer
pin.close()
IOError: [Errno 32] Broken pipe
abort: Error while signing
#header#
<title>#repo|escape#: #file|escape# annotate</title>
</head>
<body>
<div class="buttons">
<a href="?cl=#rev#">changelog</a>
<a href="?tags=">tags</a>
<a href="?cs=#node|short#">changeset</a>
<a href="?mf=#manifest|short#;path=#path|urlescape#">manifest</a>
<a href="?f=#filenode|short#;file=#file|urlescape#">file</a>
<a href="?fl=#filenode|short#;file=#file|urlescape#">revisions</a>
<a href="?fa=#filenode|short#;file=#file|urlescape#;style=raw">raw</a>
</div>
<h2>Annotate #file|escape#</h2>
<table>
<tr>
<td class="metatag">changeset #rev#:</td>
<td><a href="?cs=#node|short#">#node|short#</a></td></tr>
#rename%filerename#
#parent%fileannotateparent#
#child%fileannotatechild#
<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>
<br/>
<table cellspacing="0" cellpadding="0">
#annotate%annotateline#
</table>
#footer#