# HG changeset patch
# User Alexis S. L. Carvalho <alexis@cecm.usp.br>
# Date 1145472085 25200
# Node ID f5ebe964c6be7965f14a46adbdae608a57bf0a02
# Parent  0bf2a9e5eff1b9fac3f165c6d2ac3b116931642e
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



diff -r 0bf2a9e5eff1 -r f5ebe964c6be mercurial/util.py
--- a/mercurial/util.py	Wed Apr 19 11:41:22 2006 -0700
+++ b/mercurial/util.py	Wed Apr 19 11:41:25 2006 -0700
@@ -20,8 +20,12 @@
     '''filter string S through command CMD, returning its output'''
     (pout, pin) = popen2.popen2(cmd, -1, 'b')
     def writer():
-        pin.write(s)
-        pin.close()
+        try:
+            pin.write(s)
+            pin.close()
+        except IOError, inst:
+            if inst.errno != errno.EPIPE:
+                raise
 
     # we should use select instead on UNIX, but this will work on most
     # systems, including Windows