diff mercurial/revlog.py @ 38852:a3dacabd476b

index: don't allow index[len(index)] to mean nullid

Now everything else has been cleaned up and we can drop support for
getting the nullid from the end of the index (from *past* the end
actually, since we reduced the length in the previous patch).

Differential Revision: https://phab.mercurial-scm.org/D4023

--- a/mercurial/revlog.py	Fri Jul 20 08:10:32 2018 -0700
+++ b/mercurial/revlog.py	Fri Jul 20 14:36:42 2018 -0700
@@ -792,7 +792,7 @@
 
 class revlogoldindex(list):
     def __getitem__(self, i):
-        if i == -1 or i == len(self):
+        if i == -1:
             return (0, 0, 0, -1, -1, -1, -1, nullid)
         return list.__getitem__(self, i)