# HG changeset patch
# User Mateusz Kwapich <mitrandir@fb.com>
# Date 1459207337 25200
# Node ID 49e363aebdd00dce3a1a8fa44fe10a4c3879bc72
# Parent  be0d1413a06f054b965a739bc511bed8dc9e65b8
overlay: add changelogrevision

test-incoming.t was failing with latest mercurial head (345f4f) because we
didn't implement this method in the git overlay.

diff --git a/hggit/overlay.py b/hggit/overlay.py
--- a/hggit/overlay.py
+++ b/hggit/overlay.py
@@ -6,6 +6,7 @@
 
 from mercurial import (
     ancestor,
+    changelog,
     manifest,
     context,
 )
@@ -324,6 +325,9 @@
         except LookupError:
             return overlaychangectx(self.repo, sha).totuple()
 
+    def changelogrevision(self, noderev):
+        return changelog._changelogrevision(*self.read(noderev))
+
 class overlayrepo(object):
     def __init__(self, handler, commits, refs):
         self.handler = handler