Allow to pass empty args and extend list by while passing more.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@45833 20353a03-c40f-0410-a6d1-a30d3c3de9de

slapos/recipe/erp5/src/slapos/recipe/erp5/execute.py

@@ -5,10 +5,12 @@ import subprocess
 import time
 
 
-def execute(args):
+def execute(args=None):
   """Portable execution with process replacement"""
   # Note: Candidate for slapos.lib.recipe
-  os.execv(args[0], args)
+  if args is None:
+    args = []
+  os.execv(args[0], args + sys.argv[1:])
 
 child_pg = None