diff mercurial/revlog.py @ 2489:568e58eed096

Add revlog.parentrevs function. This allows one to walk the revision graph using only revision numbers, which can be faster than using revision hashes, especially for RevlogNG, where the parents of a revision are stored as revision numbers.
author Alexis S. L. Carvalho <alexis@cecm.usp.br>
date Tue, 20 Jun 2006 14:57:30 -0300
parents 16276b1c0658
children 6ff82ec1f4b8
line wrap: on
line diff
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -477,6 +477,13 @@ class revlog(object):
         if self.version == REVLOGV0:
             return d
         return [ self.node(x) for x in d ]
+    def parentrevs(self, rev):
+        if rev == -1:
+            return (-1, -1)
+        d = self.index[rev][-3:-1]
+        if self.version == REVLOGV0:
+            return [ self.rev(x) for x in d ]
+        return d
     def start(self, rev):
         if rev < 0:
             return -1