Add dry run argument to launch helper

rare/__main__.py

@@ -49,6 +49,7 @@ def main():
     launch_minimal_parser = subparsers.add_parser("start", aliases=["launch"])
     launch_minimal_parser.add_argument("app_name", help="AppName of the game to launch",
                                        metavar="<App Name>", action="store")
+    launch_minimal_parser.add_argument("--dry-run", help="Print arguments and exit", action="store_true")
     launch_minimal_parser.add_argument("--offline", help="Launch game offline",
                                        action="store_true")
     launch_minimal_parser.add_argument('--wine-bin', dest='wine_bin', action='store', metavar='<wine binary>',

rare/game_launch_helper/__init__.py

@@ -20,6 +20,7 @@ from rare.widgets.rare_app import RareApp, RareAppException
 from .console import Console
 from .lgd_helper import get_launch_args, InitArgs, get_configured_process, LaunchArgs, GameArgsError
 
+
 logger = logging.getLogger("RareLauncher")
 
 DETACHED_APP_NAMES = [
@@ -101,6 +102,10 @@ class RareLauncher(RareApp):
         self.app_name = args.app_name
         self.logger = getLogger(self.app_name)
         self.core = LegendaryCore()
+        self.args = args
+
+        # game = self.core.get_game(self.app_name)
+        # self.rgame = RareGame(self.core, None, game)
 
         lang = self.settings.value("language", self.core.language_code, type=str)
         self.load_translator(lang)
@@ -208,6 +213,15 @@ class RareLauncher(RareApp):
                 self.console.log("Launching game detached")
             self.stop()
             return
+        if self.args.dry_run:
+            logger.info("Dry run activated")
+            if self.console:
+                self.console.log(f"{args.executable} {' '.join(args.args)}")
+                self.console.log(f"Do not start {self.app_name}")
+                self.console.accept_close = True
+            print(args.executable, " ".join(args.args))
+
+            self.stop()
         self.game_process.start(args.executable, args.args)
 
     def error_occurred(self, error_str: str):

rare/game_launch_helper/lgd_helper.py

@@ -21,6 +21,7 @@ class GameArgsError(Exception):
 @dataclass
 class InitArgs:
     app_name: str
+    dry_run: bool = False
     debug: bool = False
     offline: bool = False
     skip_update_check: bool = False
@@ -29,7 +30,6 @@ class InitArgs:
 
     @classmethod
     def from_argparse(cls, args):
-        print(args.skip_update_check)
         return cls(
             app_name=args.app_name,
             debug=args.debug,
@@ -37,6 +37,7 @@ class InitArgs:
             skip_update_check=args.skip_update_check,
             wine_bin=args.wine_bin,
             wine_prefix=args.wine_pfx,
+            dry_run=args.dry_run
         )