Flags have higher precedence than config values

README.md

@@ -124,6 +124,8 @@ $ gspt
 ## Command-line Parameters
 
 ```
+NOTE: Command-line flags take priority over config values.
+
 Usage of ./gspt:
   -c string
         Specify The Directory to check for config.yml file. (default "$XDG_CONFIG_HOME/gspt")

config/config.go

@@ -41,6 +41,12 @@ func NewConfigS() *ConfigS {
 
 func ReadConfig() {
 	parseFlags()
+
+	// If config path is provided through command-line use that
+	if Flags.ConfigPath != "" {
+		UserConfigPath = Flags.ConfigPath
+	}
+
 	if configErr != nil {
 		utils.Print("RED", "Couldn't get $XDG_CONFIG!")
 		panic(configErr)
@@ -52,7 +58,7 @@ func ReadConfig() {
 	}
 
 	viper.SetConfigName("config")
-	viper.AddConfigPath(UserConfigPath)
+	viper.AddConfigPath(utils.ExpandHomeDir(UserConfigPath))
 
 	if err := viper.ReadInConfig(); err != nil {
 		utils.Print("RED", "Could Not Read Config file.\n")
@@ -65,6 +71,17 @@ func ReadConfig() {
 		Config.CacheDir = utils.ExpandHomeDir(Config.CacheDir)
 	}
 
+	// Flags have precedence over config values
+	useFlags := func() {
+		if Flags.HideImage != false {
+			Config.HideImage = Flags.HideImage
+		}
+		if Flags.RoundedCorners != false {
+			Config.RoundedCorners = Flags.RoundedCorners
+		}
+	}
+	useFlags()
+
 	viper.OnConfigChange(func(e fsnotify.Event) {
 		viper.Unmarshal(Config)
 		expandHome()

config/flags.go

@@ -4,12 +4,22 @@ import (
 	"flag"
 )
 
+var (
+	Flags = &Flag{}
+)
+
+type Flag struct {
+	ConfigPath     string
+	HideImage      bool
+	RoundedCorners bool
+}
+
 func parseFlags() {
-	flag.StringVar(&UserConfigPath, "c", UserConfigPath,
+	flag.StringVar(&Flags.ConfigPath, "c", UserConfigPath,
 		"Specify The Directory to check for config.yml file.")
-	flag.BoolVar(&Config.HideImage, "hide-image", Config.HideImage,
+	flag.BoolVar(&Flags.HideImage, "hide-image", Config.HideImage,
 		"Do not display the cover art image.")
-	flag.BoolVar(&Config.RoundedCorners, "rounded-corners", Config.RoundedCorners,
+	flag.BoolVar(&Flags.RoundedCorners, "rounded-corners", Config.RoundedCorners,
 		"Enable Rounded Corners")
 	flag.Parse()
 }