kiwi: use separate --release

plugins/cli/kiwi.py

@@ -18,6 +18,7 @@ def handle_kiwi_build(goptions, session, args):
     parser = OptionParser(usage=usage)
     parser.add_option("--scratch", action="store_true", default=False,
                       help="Perform a scratch build")
+    parser.add_option("--release", help="Release of the output image")
     parser.add_option("--repo", action="append",
                       help="Specify a repo that will override the repo used to install "
                            "RPMs in the image. May be used multiple times. The "
@@ -50,6 +51,7 @@ def handle_kiwi_build(goptions, session, args):
                             for arch in options.optional_arches.split(',')
                             if arch],
         'profile': options.kiwi_profile,
+        'release': options.release,
     }
 
     arches = []