fix: support workingsubdiroverride

nile/utils/launch.py

@@ -20,6 +20,7 @@ def __init__(self):
         self.version = str()
         self.command = str()
         self.arguments = list()
+        self.cwd = str()
 
     @classmethod
     def parse(cls, game_path, path, unknown_arguments):
@@ -32,6 +33,10 @@ def parse(cls, game_path, path, unknown_arguments):
         instruction.command = os.path.join(game_path, json_data["Main"]["Command"].replace("\\", os.sep))
         instruction.arguments = json_data["Main"].get("Args") or list()
         instruction.arguments.extend(unknown_arguments)
+        instruction.cwd = game_path
+        working_dir_override = json_data["Main"].get("WorkingSubdirOverride")
+        if working_dir_override:
+            instruction.cwd = os.path.join(game_path, working_dir_override.replace("\\", os.sep))
         return instruction
 
 
@@ -189,7 +194,7 @@ def start(self, game_path):
             if result == -1:
                 print("PR_SET_CHILD_SUBREAPER is not supported by your kernel (Linux 3.4 and above)")
 
-            process = subprocess.Popen(command, cwd=game_path, env=self.env)
+            process = subprocess.Popen(command, cwd=instruction.cwd, env=self.env)
             process_pid = process.pid
 
             def iterate_processes():
@@ -255,7 +260,7 @@ def reap_children():
 
 
         else:
-            process = subprocess.Popen(command, cwd=game_path, env=self.env)
+            process = subprocess.Popen(command, cwd=instruction.cwd, env=self.env)
             status = process.wait()
 
         sys.exit(status)