Function writeYAML

tui/profiles.go:195–211

writeYAML serialises cfg to path atomically (tmp file + rename).

(path string, cfg *config.Config)

// writeYAML serialises cfg to path atomically (tmp file + rename).
func writeYAML(path string, cfg *config.Config) error {
	tmp := path + ".tmp"
	f, err := os.Create(tmp)
	if err != nil {
		return err
	}
	enc := yaml.NewEncoder(f)
	enc.SetIndent(2)
	if err := enc.Encode(cfg); err != nil {
		f.Close()
		os.Remove(tmp)
		return err
	}
	enc.Close()
	f.Close()
	return os.Rename(tmp, path)
}