Start work on generating rc cmd wrappers

gen-rc-go.py

@@ -0,0 +1,45 @@
+#!./kitty/launcher/kitty +launch
+# License: GPLv3 Copyright: 2022, Kovid Goyal <kovid at kovidgoyal.net>
+
+import os
+import subprocess
+import sys
+from typing import Any
+
+from kitty.rc.base import (
+    RemoteCommand, all_command_names, command_for_name, parse_subcommand_cli
+)
+
+
+def serialize_as_go_string(x: str) -> str:
+    return x.replace('\n', '\\n').replace('"', '\\"')
+
+
+def build_go_code(name: str, cmd: RemoteCommand, opts: Any, template: str) -> str:
+    template = template[len('//go:build exclude'):]
+    ans = template.replace('CMD_NAME', name).replace('__FILE__', __file__).replace('CLI_NAME', name.replace('_', '-')).replace(
+        'SHORT_DESC', serialize_as_go_string(cmd.short_desc)).replace('LONG_DESC', serialize_as_go_string(cmd.desc))
+    return ans
+
+
+def main() -> None:
+    if 'prewarmed' in getattr(sys, 'kitty_run_data'):
+        os.environ.pop('KITTY_PREWARM_SOCKET')
+        os.execlp(sys.executable, sys.executable, '+launch', __file__, *sys.argv[1:])
+    with open('tools/cmd/at/template.go') as f:
+        template = f.read()
+    for name in all_command_names():
+        cmd = command_for_name(name)
+        args = ['xxx' for i in range((cmd.args_count or 0) + 1)]
+        opts = parse_subcommand_cli(cmd, args)[0]
+        code = build_go_code(name, cmd, opts, template)
+        dest = f'tools/cmd/at/{name}_generated.go'
+        if os.path.exists(dest):
+            os.remove(dest)
+        with open(dest, 'w') as f:
+            f.write(code)
+        subprocess.check_call('gofmt -s -w tools/cmd/at'.split())
+
+
+if __name__ == '__main__':
+    main()