java-config now outputs help when called without arguments.

svn path=/java-config-ng/branches/axxo/; revision=1344

1 files changed, 8 insertions, 4 deletions

diff --git a/src/java-config b/src/java-config
index 51ec5df..73e4fe2 100755
--- a/src/java-config
+++ b/src/java-config
@@ -291,9 +291,13 @@ if __name__ == '__main__':
                    ]
 
     parser = OptionParser(usage, options_list)
-    try:
-        (options, args) = parser.parse_args()
-    except InvalidVMError:
-        fatalError("The active vm could not be found")
+
+    if len(sys.argv) < 2: 
+        parser.print_help()
+    else:        
+        try:
+            (options, args) = parser.parse_args()
+        except InvalidVMError:
+            fatalError("The active vm could not be found")
 
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