Add a --hold option for the launch command

kitty/launch.py

@@ -8,6 +8,7 @@ from .boss import Boss
 from .child import Child
 from .cli import parse_args
 from .cli_stub import LaunchCLIOptions
+from .constants import kitty_exe, shell_path
 from .fast_data_types import patch_color_profiles, set_clipboard_string
 from .options.utils import env as parse_env
 from .tabs import Tab
@@ -71,6 +72,11 @@ Using :code:`name=` will set to empty string and just :code:`name` will
 remove the environment variable.
 
 
+--hold
+type=bool-set
+Keep the window open even after the command being executed exits.
+
+
 --copy-colors
 type=bool-set
 Set the colors of the newly created window to be the same as the colors in the
@@ -398,6 +404,9 @@ def launch(
             else:
                 set_primary_selection(stdin)
     else:
+        if opts.hold:
+            cmd = kw['cmd'] or [shell_path]
+            kw['cmd'] = [kitty_exe(), '+hold'] + cmd
         if force_target_tab:
             tab = target_tab
         else:

kitty/rc/launch.py

@@ -33,6 +33,7 @@ class Launch(RemoteCommand):
     copy_colors: Boolean indicating whether to copy the colors from the current window
     copy_cmdline: Boolean indicating whether to copy the cmdline from the current window
     copy_env: Boolean indicating whether to copy the environ from the current window
+    hold: Boolean indicating whether to keep window open after cmd exits
     location: Where in the tab to open the new window
     allow_remote_control: Boolean indicating whether to allow remote control from the new window
     stdin_source: Where to get stdin for thew process from