# HG changeset patch
# User Franz Glasner <fzglas.hg@dom66.de>
# Date 1735918360 -3600
# Node ID 7d8df8311e3be41fc50d92712e7be3594460ee49
# Parent  073e0faea599577e4cc02862e5b027df1cafcc77
Optimize argument parsing for the "version" command

diff -r 073e0faea599 -r 7d8df8311e3b cutils/treesum.py
--- a/cutils/treesum.py	Fri Jan 03 16:22:59 2025 +0100
+++ b/cutils/treesum.py	Fri Jan 03 16:32:40 2025 +0100
@@ -119,20 +119,22 @@
                     "This is an alias to \"generate\".")
     _populate_generate_arguments(genparser2)
 
-    vparser = subparsers.add_parser(
+    subparsers.add_parser(
         "version",
         help="Show the program's version number and exit",
         description="Show the program's version number and exit.")
-    vparser.add_argument(
-        "args", nargs=argparse.REMAINDER, help="IGNORED.")
 
-    opts = parser.parse_args(args=argv)
+    # Parse leniently to just check for "version"
+    opts, _dummy = parser.parse_known_args(args=argv)
 
     if opts.subcommand == "version":
         print("%s (rv:%s)" % (__version__, __revision__),
               file=sys.stdout)
         sys.exit(0)
 
+    # Reparse strictly
+    opts = parser.parse_args(args=argv)
+
     if not opts.algorithm:
         opts.algorithm = util.argv2algo("blake2b-256")