--- a/mercurial/hbisect.py	Sun Sep 18 22:54:11 2011 +0200
+++ b/mercurial/hbisect.py	Sat Sep 17 00:20:45 2011 +0200
@@ -8,7 +8,7 @@
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
-import os
+import os, error
 from i18n import _
 from node import short, hex
 import util
@@ -154,3 +154,14 @@
     finally:
         wlock.release()
 
+def get(repo, status):
+    """
+    Return a list of revision(s) that match the given status:
+
+    - ``good``, ``bad``, ``skip``: as the names imply
+    """
+    state = load_state(repo)
+    if status in ('good', 'bad', 'skip'):
+        return [repo.changelog.rev(n) for n in state[status]]
+    else:
+        raise error.ParseError(_('invalid bisect state'))

--- a/mercurial/revset.py	Sun Sep 18 22:54:11 2011 +0200
+++ b/mercurial/revset.py	Sat Sep 17 00:20:45 2011 +0200
@@ -237,13 +237,10 @@
 
 def bisect(repo, subset, x):
     """``bisect(string)``
-    Changesets marked in the specified bisect state (good, bad, skip).
+    Changesets marked in the specified bisect status (good, bad, skip).
     """
-    state = getstring(x, _("bisect requires a string")).lower()
-    if state not in ('good', 'bad', 'skip'):
-        raise error.ParseError(_('invalid bisect state'))
-    marked = set(repo.changelog.rev(n) for n in hbisect.load_state(repo)[state])
-    return [r for r in subset if r in marked]
+    status = getstring(x, _("bisect requires a string")).lower()
+    return [r for r in subset if r in hbisect.get(repo, status)]
 
 # Backward-compatibility
 # - no help entry so that we do not advertise it any more