* subcommand specific option'lara basla

BUGS

@@ -0,0 +1,5 @@
+subcommand specific options don't work yet:
+
+nebula:pisi$ pisi-cli --yala build tests/popt/pspec.xml 
+pisi-cli: error: no such option: --yala
+nebula:pisi$ 

pisi-cli

@@ -22,10 +22,7 @@ Use \"%prog help <subcommand>\" for help on a specific subcommand.
 PISI Package Manager
 """
 
-class PisiCLI(object):
-    def __init__(self):
-        parser = OptionParser(usage=usage,version="%prog " + pisi.__version__)
-
+def commonopts(parser):
     parser.add_option("-D", "--destdir", action="store")
     parser.add_option("-u", "--username", action="store")
     parser.add_option("-p", "--password", action="store")
@@ -39,6 +36,15 @@ class PisiCLI(object):
     parser.add_option("-n", "--dry-run", action="store_true", default=False,
                       help = "do not perform any action, just show what\
                       would be done")
+    return parser
+
+class PisiCLI(object):
+    def __init__(self):
+        parser = OptionParser(usage=usage,
+                              version="%prog " + pisi.__version__)
+        parser.allow_interspersed_args = False
+        parser = commonopts(parser)
+
         (options, args) = parser.parse_args()
         
         self.parser = parser