diff -r 5fefab118f7e -r f5046cab9e2e mercurial/revlog.py
--- a/mercurial/revlog.py	Wed Apr 26 22:15:01 2006 -0700
+++ b/mercurial/revlog.py	Wed Apr 26 22:42:07 2006 -0700
@@ -333,8 +333,8 @@
                     and st.st_ctime == oldst.st_ctime):
                     return
                 self.indexstat = st
-                if len(i) > 0:
-                    v = struct.unpack(versionformat, i)[0]
+            if len(i) > 0:
+                v = struct.unpack(versionformat, i)[0]
         flags = v & ~0xFFFF
         fmt = v & 0xFFFF
         if fmt == 0: