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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#!/bin/sh

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hg init

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echo 123 > a

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hg add a

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hg commit -m "first" -d "1000000 0" a

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mkdir sub

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echo 321 > sub/b

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hg add sub/b

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hg commit -m "second" -d "1000000 0" sub/b

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cat sub/b

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hg co 0

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cat sub/b 2>/dev/null || echo "sub/b not present"

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ls sub 2>/dev/null || echo "sub not present"

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true