# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@ens-lyon.org>
# Date 2013-01-04 03:52:57
# Node ID cd4c7520020691c992e23d2eb2781ce9a1d7037a
# Parent  c38a62af000e3bd4a760066656751a8132c54c2c

branchmap: ignore Abort error while writing cache

Read only vfs can now raise Abort exception. Note that encoding.local are also a
possible raiser.

diff --git a/mercurial/branchmap.py b/mercurial/branchmap.py
--- a/mercurial/branchmap.py
+++ b/mercurial/branchmap.py
@@ -139,7 +139,8 @@ class branchcache(dict):
                 for node in nodes:
                     f.write("%s %s\n" % (hex(node), encoding.fromlocal(label)))
             f.close()
-        except (IOError, OSError):
+        except (IOError, OSError, util.Abort):
+            # Abort may be raise by read only opener
             pass
 
     def update(self, repo, ctxgen):