Resolve keyboard_aliases when processing keyboard make targets (#24834)

lib/python/qmk/cli/__init__.py

@@ -82,6 +82,7 @@ subcommands = [
     'qmk.cli.new.keymap',
     'qmk.cli.painter',
     'qmk.cli.pytest',
+    'qmk.cli.resolve_alias',
     'qmk.cli.test.c',
     'qmk.cli.userspace.add',
     'qmk.cli.userspace.compile',

lib/python/qmk/cli/resolve_alias.py

@@ -0,0 +1,16 @@
+from qmk.keyboard import keyboard_folder
+
+from milc import cli
+
+
+@cli.argument('--allow-unknown', arg_only=True, action='store_true', help="Return original if rule is not a valid keyboard.")
+@cli.argument('keyboard', arg_only=True, help='The keyboard\'s name')
+@cli.subcommand('Resolve DEFAULT_FOLDER and any keyboard_aliases for provided rule')
+def resolve_alias(cli):
+    try:
+        print(keyboard_folder(cli.args.keyboard))
+    except ValueError:
+        if cli.args.allow_unknown:
+            print(cli.args.keyboard)
+        else:
+            raise