error: derive RevlogError from HintException instead of Exception
This will allow us to now pass hints into this exception.
--- a/mercurial/error.py Thu May 21 16:28:06 2015 -0400
+++ b/mercurial/error.py Thu May 21 16:20:34 2015 -0400
@@ -18,7 +18,7 @@
Exception.__init__(self, *args)
self.hint = kw.get('hint')
-class RevlogError(Exception):
+class RevlogError(HintException):
pass
class FilteredIndexError(IndexError):