Add keywords completion for --cwd and --config

kitty/cli.py

@@ -612,7 +612,7 @@ are running a program that does not set titles.
 
 --config -c
 type=list
-completion=type:file ext:conf group:"Config files"
+completion=type:file ext:conf group:"Config files" kwds:none,NONE
 {config_help}
 
 

kitty/complete.py

@@ -637,6 +637,10 @@ def complete_file_path(ans: Completions, spec: Dict[str, str], prefix: str, only
 def complete_path(ans: Completions, opt: OptionDict, prefix: str) -> None:
     spec = opt['completion']
     t = spec['type']
+    if 'kwds' in spec:
+        kwds = [x for x in spec['kwds'].split(',') if x.startswith(prefix)]
+        if kwds:
+            ans.add_match_group('Keywords', kwds)
     if t == 'file':
         complete_file_path(ans, spec, prefix)
     elif t == 'directory':

kitty/launch.py

@@ -73,6 +73,7 @@ opened window.
 
 
 --cwd
+completion=type:directory kwds:current,oldest,last_reported
 The working directory for the newly launched child. Use the special value
 :code:`current` to use the working directory of the currently active window.
 The special value :code:`last_reported` uses the last working directory reported