# HG changeset patch
# User Matt Mackall <mpm@selenic.com>
# Date 2007-07-26 17:02:58
# Node ID 72082bfced9a3a6409c02ca237541f7ed0c52db7
# Parent  825516d16b25f9bd9b96eaa0e401e6b8aa85350b

revlog: minor revdiff reorganization

diff --git a/mercurial/revlog.py b/mercurial/revlog.py
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -885,13 +885,11 @@ class revlog(object):
 
     def revdiff(self, rev1, rev2):
         """return or calculate a delta between two revisions"""
-        b1 = self.base(rev1)
-        b2 = self.base(rev2)
-        if b1 == b2 and rev1 + 1 == rev2:
+        if rev1 + 1 == rev2 and self.base(rev1) == self.base(rev2):
             return self.chunk(rev2)
-        else:
-            return mdiff.textdiff(self.revision(self.node(rev1)),
-                                  self.revision(self.node(rev2)))
+
+        return mdiff.textdiff(self.revision(self.node(rev1)),
+                              self.revision(self.node(rev2)))
 
     def revision(self, node):
         """return an uncompressed revision of a given"""