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feat: add command line config overrides support #276

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Merged
devgianlu merged 1 commit into from
Dec 24, 2025
Merged

feat: add command line config overrides support #276

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24 changes: 24 additions & 0 deletions cmd/daemon/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -451,6 +451,10 @@ func loadConfig(cfg *Config) error {
}
defaultConfigDir := filepath.Join(userConfigDir, "go-librespot")
f.StringVar(&cfg.ConfigDir, "config_dir", defaultConfigDir, "the configuration directory")

var configOverrides []string
f.StringArrayVarP(&configOverrides, "conf", "c", nil, "override config values (format: field=value, use field1.field2=value for nested fields)")

err = f.Parse(os.Args[1:])
if err != nil {
return err
Expand Down Expand Up @@ -515,6 +519,26 @@ func loadConfig(cfg *Config) error {
return fmt.Errorf("failed loading command line configuration: %w", err)
}

// apply command line config overrides (-c/--conf flags)
if len(configOverrides) > 0 {
overrideMap := make(map[string]interface{})
for _, override := range configOverrides {
parts := strings.SplitN(override, "=", 2)
if len(parts) != 2 {
return fmt.Errorf("invalid config override format: %s (expected field=value)", override)
}
key := strings.TrimSpace(parts[0])
value := strings.TrimSpace(parts[1])
if key == "" {
return fmt.Errorf("invalid config override: empty field name in %s", override)
}
overrideMap[key] = value
}
if err := k.Load(confmap.Provider(overrideMap, "."), nil); err != nil {
return fmt.Errorf("failed loading config overrides: %w", err)
}
}

// unmarshal configuration
if err := k.Unmarshal("", &cfg); err != nil {
return fmt.Errorf("failed to unmarshal configuration: %w", err)
Expand Down