themes kitten: Allow writing to a different file than kitty.conf

docs/changelog.rst

@@ -139,6 +139,8 @@ Detailed list of changes
 - Fix clicking in a window to focus it and typing immediately sometimes having
   unexpected effects if at a shell prompt (:iss:`4128`)
 
+- themes kitten: Allow writing to a different file than :file:`kitty.conf`.
+
 
 0.24.1 [2022-01-06]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

kittens/themes/collection.py

@@ -522,10 +522,10 @@ def kitty_opts(self) -> KittyOptions:
     def save_in_dir(self, dirpath: str) -> None:
         atomic_save(self.raw.encode('utf-8'), os.path.join(dirpath, f'{self.name}.conf'))
 
-    def save_in_conf(self, confdir: str, reload_in: str) -> None:
+    def save_in_conf(self, confdir: str, reload_in: str, config_file_name: str = 'kitty.conf') -> None:
         os.makedirs(confdir, exist_ok=True)
         atomic_save(self.raw.encode('utf-8'), os.path.join(confdir, 'current-theme.conf'))
-        confpath = os.path.realpath(os.path.join(confdir, 'kitty.conf'))
+        confpath = os.path.realpath(os.path.join(confdir, config_file_name))
         try:
             with open(confpath) as f:
                 raw = f.read()

kittens/themes/main.py

@@ -433,7 +433,7 @@ def next(self, delta: int = 1, allow_wrapping: bool = True) -> None:
     def draw_accepting_screen(self) -> None:
         name = self.themes_list.current_theme.name
         name = styled(name, bold=True, fg="green")
-        kc = styled('kitty.conf', italic=True)
+        kc = styled(self.cli_opts.config_file_name, italic=True)
 
         def ac(x: str) -> str:
             return styled(x, fg='red')
@@ -465,7 +465,7 @@ def on_accepting_key_event(self, key_event: KeyEventType, in_bracketed_paste: bo
             self.quit_on_next_key_release = 0
             return
         if key_event.matches_text('m'):
-            self.themes_list.current_theme.save_in_conf(config_dir, self.cli_opts.reload_in)
+            self.themes_list.current_theme.save_in_conf(config_dir, self.cli_opts.reload_in, self.cli_opts.config_file_name)
             self.update_recent()
             self.quit_on_next_key_release = 0
             return
@@ -536,6 +536,13 @@ def on_eot(self) -> None:
 default=false
 When running non-interactively, dump the specified theme to STDOUT
 instead of changing kitty.conf.
+
+
+--config-file-name
+default=kitty.conf
+The name or path to the config file to edit. Relative paths are interpreted
+with respect to the kitty config directory. By default the kitty config file,
+kitty.conf is edited.
 '''.format
 
 
@@ -559,7 +566,7 @@ def non_interactive(cli_opts: ThemesCLIOptions, theme_name: str) -> None:
     if cli_opts.dump_theme:
         print(theme.raw)
         return
-    theme.save_in_conf(config_dir, cli_opts.reload_in)
+    theme.save_in_conf(config_dir, cli_opts.reload_in, cli_opts.config_file_name)
 
 
 def main(args: List[str]) -> None: