# HG changeset patch
# User Brendan Cully <brendan@kublai.com>
# Date 1184140424 25200
# Node ID 1f3742217a7689928becc04066c303a5329585bc
# Parent  76d4d031cc5074c44324a0a3ba10f6d8d1637095
replace .hgtags instead of appending to it when doing a raw commit

diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -134,7 +134,7 @@ class localrepository(repo.repository):
                 ntags = self.filectx('.hgtags', parent).data()
             except revlog.LookupError:
                 ntags = ''
-            self.wfile('.hgtags', 'ab').write(ntags + line)
+            self.wfile('.hgtags', 'wb').write(ntags + line)
         if use_dirstate and self.dirstate.state('.hgtags') == '?':
             self.add(['.hgtags'])