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

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import mercurial.util

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def dumbdecode(s, cmd):

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    return s.replace('\n', '\r\n')

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def dumbencode(s, cmd):

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    return s.replace('\r\n', '\n')

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def clevertest(s, cmd):

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    if '\0' in s: return False

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    return True

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def cleverdecode(s, cmd):

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    if clevertest(s, cmd):

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        return dumbdecode(s, cmd)

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    return s

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def cleverencode(s, cmd):

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    if clevertest(s, cmd):

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        return dumbencode(s, cmd)

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    return s

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mercurial.util.filtertable.update({

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    'dumbdecode:': dumbdecode,

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    'dumbencode:': dumbencode,

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    'cleverdecode:': cleverdecode,

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    'cleverencode:': cleverencode,

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    })