--- a/hgext/convert/common.py Thu Mar 15 23:02:31 2012 +0000 +++ b/hgext/convert/common.py Fri Mar 16 17:42:21 2012 -0500 @@ -418,6 +418,8 @@ def parsesplicemap(path): """Parse a splicemap, return a child/parents dictionary.""" + if not path: + return {} m = {} try: fp = open(path, 'r')