Fix reloading of config not working when kitty.conf does not exist when kitty is launched

Fixes #5071

docs/changelog.rst

@@ -57,6 +57,8 @@ Detailed list of changes
 
 - macOS: Add the :opt:`macos_colorspace` option to control what color space colors are rendered in (:iss:`4686`)
 
+- Fix reloading of config not working when :file:`kitty.conf` does not exist when kitty is launched (:iss:`5071`)
+
 
 0.25.0 [2022-04-11]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

kitty/boss.py

@@ -1964,8 +1964,10 @@ def apply_new_options(self, opts: Options) -> None:
         ''')
     def load_config_file(self, *paths: str, apply_overrides: bool = True) -> None:
         from .config import load_config
+        from .cli import default_config_paths
         old_opts = get_options()
-        paths = paths or old_opts.config_paths
+        prev_paths = old_opts.config_paths or default_config_paths(self.args.config)
+        paths = paths or prev_paths
         bad_lines: List[BadLine] = []
         opts = load_config(*paths, overrides=old_opts.config_overrides if apply_overrides else None, accumulate_bad_lines=bad_lines)
         if bad_lines:

kitty/cli.py

@@ -787,9 +787,13 @@ def parse_args(
 SYSTEM_CONF = f'/etc/xdg/{appname}/{appname}.conf'
 
 
+def default_config_paths(conf_paths: Sequence[str]) -> Tuple[str, ...]:
+    return tuple(resolve_config(SYSTEM_CONF, defconf, conf_paths))
+
+
 def create_opts(args: CLIOptions, accumulate_bad_lines: Optional[List[BadLineType]] = None) -> KittyOpts:
     from .config import load_config
-    config = tuple(resolve_config(SYSTEM_CONF, defconf, args.config))
+    config = default_config_paths(args.config)
     # Does not cover the case where `name =` when `=` is the value.
     pat = re.compile(r'^([a-zA-Z0-9_]+)[ \t]*=')
     overrides = (pat.sub(r'\1 ', a.lstrip()) for a in args.override or ())
@@ -799,6 +803,6 @@ def create_opts(args: CLIOptions, accumulate_bad_lines: Optional[List[BadLineTyp
 
 def create_default_opts() -> KittyOpts:
     from .config import load_config
-    config = tuple(resolve_config(SYSTEM_CONF, defconf, ()))
+    config = default_config_paths(())
     opts = load_config(*config)
     return opts