patman: Move -H out of the send command

This is the help for the whole of patman, so move it to the start of the
control function, rather than being inside 'patman send'.

Signed-off-by: Simon Glass <sjg@chromium.org>

tools/patman/cmdline.py

@@ -215,7 +215,7 @@ def parse_args(argv=None, config_fname=None, parser=None):
     # If we have a command, it is safe to parse all arguments
     if args.cmd:
         args = parser.parse_args(argv)
-    else:
+    elif not args.full_help:
         # No command, so insert it after the known arguments and before the ones
         # that presumably relate to the 'send' subcommand
         nargs = len(rest)

tools/patman/control.py

@@ -110,6 +110,15 @@ def patchwork_status(branch, count, start, end, dest_branch, force,
 
 
 def do_patman(args):
+    """Process a patman command
+
+    Args:
+        args (Namespace): Arguments to process
+    """
+    if args.full_help:
+        with resources.path('patman', 'README.rst') as readme:
+            tools.print_full_help(str(readme))
+        return 0
     if args.cmd == 'send':
         # Called from git with a patch filename as argument
         # Printout a list of additional CC recipients for this patch
@@ -123,15 +132,12 @@ def do_patman(args):
                             cca = cca.strip()
                             if cca:
                                 print(cca)
-
-        elif args.full_help:
-            with resources.path('patman', 'README.rst') as readme:
-                tools.print_full_help(str(readme))
         else:
             # If we are not processing tags, no need to warning about bad ones
             if not args.process_tags:
                 args.ignore_bad_tags = True
             do_send(args)
+        return 0
 
     ret_code = 0
     try: