# HG changeset patch
# User Matt Mackall <mpm@selenic.com>
# Date 1138519841 -46800
# Node ID b2df93c56ac47c24c46e193c5afdc5a6f687c8a6
# Parent  bfa90d9a3b77ff0aab5e568e6aa438ef93fdc3ae
Fix revlog signature check for empty revlogs



diff -r bfa90d9a3b77 -r b2df93c56ac4 mercurial/revlog.py
--- a/mercurial/revlog.py	Sun Jan 29 20:27:58 2006 +1300
+++ b/mercurial/revlog.py	Sun Jan 29 20:30:41 2006 +1300
@@ -197,7 +197,7 @@
                 raise
             i = ""
 
-        if i[:4] != "\0\0\0\0":
+        if i and i[:4] != "\0\0\0\0":
             raise RevlogError(_("incompatible revlog signature on %s") %
                               self.indexfile)