hg push: propagate return code

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

hg push: propagate return code

manifest hash: 3c4c5a0eba4c2eb431e4830fafe3138c12f9bddf
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.0 (GNU/Linux)

iD8DBQFCrQ3sywK+sNU5EO8RAkGpAJ40HsYprOWEZzmqw47ZYvZukMzKvgCeIGfD
H6gB6idJV4K2SpEaFUByRYE=
=LV1Z
-----END PGP SIGNATURE-----

mercurial/commands.py

@@ -446,6 +446,7 b' def push(ui, repo, dest):'
     else:
         r = os.system(cmd)
         os.kill(child, signal.SIGTERM)
+        return r
 
 def rawcommit(ui, repo, files, **rc):
     "raw commit interface"