# HG changeset patch
# User Matt Mackall <mpm@selenic.com>
# Date 1165432407 21600
# Node ID e43b48f0f71888de007884707b59b9f70d956431
# Parent  92a3532a01d9ca58ceb0d3411d2464a9a5015534
parsedate: allow '' for epoch

diff --git a/mercurial/util.py b/mercurial/util.py
--- a/mercurial/util.py
+++ b/mercurial/util.py
@@ -1066,6 +1066,8 @@ def parsedate(string, formats=None):
     """parse a localized time string and return a (unixtime, offset) tuple.
     The date may be a "unixtime offset" string or in one of the specified
     formats."""
+    if not string:
+        return 0, 0
     if not formats:
         formats = defaultdateformats
     try: