Add usage() and use it.

[dak.git] / rene

diff --git a/rene b/rene
index 7cc6cf3123e637474ae0466bd972ee4eafd99f11..e9a9c04bc3f37a827ed5b615ddddc1e4c9db146a 100755 (executable)
--- a/rene
+++ b/rene
@@ -2,7 +2,7 @@
 
 # Check for obsolete binary packages
 # Copyright (C) 2000, 2001, 2002  James Troup <james@nocrew.org>
-# $Id: rene,v 1.15 2002-10-16 02:47:32 troup Exp $
+# $Id: rene,v 1.16 2003-01-02 18:10:02 troup Exp $
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -37,12 +37,31 @@ projectB = None;
 
 ################################################################################
 
+def usage(exit_code=0):
+    print """Usage: rene
+Check for obsolete or duplicated packages.
+
+  -h, --help                show this help and exit."""
+    sys.exit(exit_code)
+
+################################################################################
+
 def main ():
     global Cnf, projectB;
 
-    Cnf = utils.get_conf()
+    Cnf = utils.get_conf();
+
+    Arguments = [('h',"help","Rene::Options::Help")];
+    for i in [ "help" ]:
+       if not Cnf.has_key("Rene::Options::%s" % (i)):
+           Cnf["Rene::Options::%s" % (i)] = "";
+
+    apt_pkg.ParseCommandLine(Cnf, Arguments, sys.argv);
+
+    Options = Cnf.SubTree("Rene::Options")
+    if Options["Help"]:
+       usage();
 
-    apt_pkg.ParseCommandLine(Cnf,[],sys.argv);
     projectB = pg.connect(Cnf["DB::Name"], Cnf["DB::Host"], int(Cnf["DB::Port"]));
     db_access.init(Cnf, projectB);
 
@@ -161,7 +180,7 @@ SELECT s.source, s.version AS experimental, s2.version AS unstable
         print
         print q
 
-####################################################################################################
+################################################################################
 
 if __name__ == '__main__':
     main()