Reject invalid command combination --reset --no-update

diff --git a/mass_build.py b/mass_build.py
index 1732565259b308d04f93451eb8aecd2542e02fe0..8f975460a7285d5f2d17f37a2f68fdf4773fb77e 100755 (executable)
--- a/mass_build.py
+++ b/mass_build.py
@@ -75,6 +75,8 @@ parser.add_argument("--check-versions",
 parser.add_argument("projects",  metavar='PROJECT', nargs='*',
                     help="Manually specify projects or folders to be built (project names take precedence)")
 args = parser.parse_args()
+if args.reset_source and not args.update:
+       raise Exception("Can not reset sources without doing an update")
 
 # load config
 config = imp.load_source('config', args.config).__dict__