Add option --skip-final-edit

Of we are scripting our workflow we might be perfectly happy with what
we last set. Allow the final edit to be skipped and keep the tag with
the message as is.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

Author: stsquad

git-publish

@@ -649,6 +649,9 @@ def parse_args():
                       default=False, help='Send patches using separate git-send-email cmd')
     parser.add_argument('--send-email-args', action='append', default=[],
                       help="Arguments forwarded to git-send-email")
+    parser.add_argument('--skip-final-edit', dest='skip_final_edit',
+                        action='store_true', default=False,
+                        help='Skip final edit step (useful for scripting)')
 
     return parser.parse_known_args()
 
@@ -830,7 +833,7 @@ branch.%s.pushRemote is set appropriately?  (Override with --no-check-url)''' %
             '',
             blurb_template])
         tag_message += cl_info
-        anno = options.edit or message
+        anno = (options.edit or message) and not options.skip_final_edit
         tag(tag_name_staging(topic), tag_message, annotate=anno, force=True)
 
     if options.clear_prefix: