# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@fb.com>
# Date 2014-09-18 02:56:59
# Node ID 171015d3b30c986d0d172fc9db816baaa466d224
# Parent  8c9f9e346acca8f49f04f39ca4003a4441a9f5ad

revset: remove nullrev from the bookmark computation

Same as for other revset we sanitize the content of the set to be able to rely
on it more.

diff --git a/mercurial/revset.py b/mercurial/revset.py
--- a/mercurial/revset.py
+++ b/mercurial/revset.py
@@ -467,6 +467,7 @@ def bookmark(repo, subset, x):
     else:
         bms = set([repo[r].rev()
                    for r in repo._bookmarks.values()])
+    bms -= set([node.nullrev])
     return subset.filter(bms.__contains__)
 
 def branch(repo, subset, x):