Add ~/.config/lume/lume.conf to configuration file search paths

The access token was not be validated when there were additional
validations errors with the named colors

cmd/config.go

@@ -11,6 +11,7 @@ import (
 )
 
 const lumercFile string = ".lumerc"
+const lumeConfigFile string = "lume.conf"
 
 type Config struct {
 	AccessToken  string               `toml:"access_token"`
@@ -42,8 +43,9 @@ func GetConfig() *Config {
 // Validate configuration struct
 func (c *Config) Validate() error {
 	var err error
+
 	if c.AccessToken == "" {
-		err = errors.New("access_token is not set")
+		return errors.New("access_token is not set")
 	}
 
 	if err = c.validateColors(); err != nil {
@@ -109,10 +111,11 @@ func LoadConfigFile(configPath string) (*Config, error) {
 }
 
 func getConfigPath() string {
-	var tryPath, configPath string
+	var tryPath, configPath, homeDir, cwd string
+	var err error
 
 	// ~/.lumerc
-	homeDir, err := os.UserHomeDir()
+	homeDir, err = os.UserHomeDir()
 	if err == nil {
 		tryPath = path.Join(homeDir, lumercFile)
 		if _, err := os.Stat(tryPath); !os.IsNotExist(err) {
@@ -120,8 +123,17 @@ func getConfigPath() string {
 		}
 	}
 
+	// ~/.config/lume/lume.conf
+	homeDir, err = os.UserHomeDir()
+	if err == nil {
+		tryPath = path.Join(homeDir, ".config/lume", lumeConfigFile)
+		if _, err := os.Stat(tryPath); !os.IsNotExist(err) {
+			configPath = tryPath
+		}
+	}
+
 	// ./.lumerc
-	cwd, err := os.Getwd()
+	cwd, err = os.Getwd()
 	if err == nil {
 		tryPath = path.Join(cwd, lumercFile)
 		if _, err := os.Stat(tryPath); !os.IsNotExist(err) {