Run login on macOS with -q

Fixes #6689

docs/changelog.rst

@@ -48,6 +48,8 @@ Detailed list of changes
 
 - A new mouse action ``mouse_selection word_and_line_from_point`` to select the current word under the mouse cursor and extend to end of line (:pull:`6663`)
 
+- macOS: When running the default shell with the login program pass ``-q`` to login so that it doesn't print the MOTD (:iss:`6689`)
+
 0.30.1 [2023-10-05]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

kitty/child.py

@@ -302,7 +302,7 @@ class Child:
                 # https://github.com/kovidgoyal/kitty/issues/6511
                 import pwd
                 user = pwd.getpwuid(os.geteuid()).pw_name
-                argv = ['/usr/bin/login', '-f', '-l', '-p', user] + argv
+                argv = ['/usr/bin/login', '-q', '-f', '-l', '-p', user] + argv
         self.final_exe = which(argv[0]) or argv[0]
         self.final_argv0 = argv[0]
         pid = fast_data_types.spawn(