add primary color config field and config set

internal/commands/configcmd/set.go

@@ -20,6 +20,7 @@ var setCmd = &cobra.Command{
 		options := []string{
 			fmt.Sprintf("hidesubcommandoutput: %t", viper.GetBool("hidesubcommandoutput")),
 			fmt.Sprintf("logfile: %s", viper.GetString("logfile")),
+			fmt.Sprintf("color: %s", viper.GetString("color")),
 			fmt.Sprintf("username: %s", viper.GetString("username")),
 		}
 
@@ -53,6 +54,11 @@ func setConfigVar(varname string) {
 
 		viper.Set("logfile", logfile)
 
+	case "color":
+		color := survey.Select("Select a new primary color", config.PrimaryColors)
+
+		viper.Set("color", color)
+
 	case "username":
 		username := survey.InputName("Enter new username", viper.GetString("username"))
 

internal/commands/root.go

@@ -68,6 +68,7 @@ func init() {
 	viper.SetDefault("username", "User")
 	viper.SetDefault("hidesubcommandoutput", true)
 	viper.SetDefault("logfile", "log.txt")
+	viper.SetDefault("color", "cyan")
 	viper.SetDefault("active", "-")
 	viper.SetDefault("envs", map[string]interface{}{})
 }

internal/config/config.go

@@ -13,6 +13,9 @@ import (
 
 // NOTE viper gets initialized in commands/root.go.
 
+// PrimaryColors are the available options for the color config field
+var PrimaryColors []string = []string{"blue", "cyan", "magenta"}
+
 // SaveConfig indicates whether config should be saved or not
 var SaveConfig bool
 
@@ -82,6 +85,11 @@ func GetLogfile() string {
 	return GetFile(filename)
 }
 
+// GetColor returns the configured primary color.
+func GetColor() string {
+	return viper.GetString("color")
+}
+
 // GetEnvNames returns configured envs.
 func GetEnvNames() (envs []string) {
 	envsMap := viper.GetStringMap("envs")