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

     1

adding foo

     2

adding bomb

     3

adding a.c

     4

adding dir/a.o

     5

adding dir/b.o

     6

! a.c

     7

! dir/a.o

     8

! dir/b.o

     9

? .hgignore

    10

a.c: unsupported file type (type is fifo)

    11

! a.c