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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touch a

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hg add a

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

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touch main

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hg add main

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hg commit -m "Added main" -d "1000000 0"

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hg checkout 0

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echo Main should be gone

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ls

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touch side1

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hg add side1

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hg commit -m "Added side1" -d "1000000 0"

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touch side2

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hg add side2

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hg commit -m "Added side2" -d "1000000 0"

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hg log

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echo Should have two heads, side2 and main

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hg heads

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echo Should show "a side1 side2"

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ls

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hg update --debug -C 1

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echo Should only show "a main"

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ls

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