Add a --debug option

Add a --debug option which run "start-tor-browser" with --verbose option
and without --detach. This makes the program run in the foreground and
log underlying output to console.

Closes #435.

torbrowser_launcher/__init__.py

@@ -59,6 +59,12 @@ def main():
         dest="settings",
         help="Open Tor Browser Launcher settings",
     )
+    parser.add_argument(
+        "--debug",
+        action="store_true",
+        default=False,
+        help="Launch browser in debug mode (foreground, log to terminal)",
+    )
     parser.add_argument("url", nargs="*", help="URL to load")
     args = parser.parse_args()
 
@@ -89,7 +95,7 @@ def main():
         gui = Settings(common, app)
     else:
         # Launcher mode
-        gui = Launcher(common, app, url_list)
+        gui = Launcher(common, app, url_list, debug=args.debug)
 
     # Center the window
     desktop = app.desktop()

torbrowser_launcher/launcher.py

@@ -64,12 +64,13 @@ class Launcher(QtWidgets.QMainWindow):
     Launcher window.
     """
 
-    def __init__(self, common, app, url_list):
+    def __init__(self, common, app, url_list, debug=False):
         super(Launcher, self).__init__()
         self.common = common
         self.app = app
 
         self.url_list = url_list
+        self.debug = debug
         self.force_redownload = False
 
         # This is the current version of Tor Browser, which should get updated with every release
@@ -478,7 +479,7 @@ def run(self):
 
         # Run Tor Browser
         subprocess.call(
-            [self.common.paths["tbb"]["start"], "--detach"],
+            [self.common.paths["tbb"]["start"], "--verbose" if self.debug else "--detach"],
             cwd=self.common.paths["tbb"]["dir_tbb"],
         )
         sys.exit(0)