Take hostinfo date into consideration when setting serial

src/hostinfo/named.py

@@ -3,6 +3,8 @@ import hostinfo.parser
 import ipaddr
 import hostinfo.util as util
 import re
+import sys
+import os
 
 def generate(tree, options):
     #
@@ -116,7 +118,7 @@ def header(tree, domain, origin=None):
       |                )
       |;""" % dict(nameserver=soa.nameserver[0],
                    email=soa.email[0],
-                   mtime=tree._mtime,
+                   mtime=int(max(tree._mtime, os.stat(sys.argv[0]).st_mtime)),
                    refresh=soa.refresh[0],
                    retry=soa.retry[0],
                    expire=soa.expire[0],