fix confdir env startup priority

main/main.go

@@ -47,6 +47,9 @@ func fileExists(file string) bool {
 }
 
 func dirExists(file string) bool {
+	if file == "" {
+		return false
+	}
 	info, err := os.Stat(file)
 	return err == nil && info.IsDir()
 }
@@ -65,8 +68,18 @@ func readConfDir(dirPath string) {
 
 func getConfigFilePath() (cmdarg.Arg, error) {
 	if dirExists(configDir) {
+		log.Println("Using confdir from arg:", configDir)
 		readConfDir(configDir)
+	} else {
+		if envConfDir := platform.GetConfDirPath(); dirExists(envConfDir) {
+			log.Println("Using confdir from env:", envConfDir)
+			readConfDir(envConfDir)
+			if len(configFiles) > 0 {
+				return configFiles, nil
+			}
+		}
 	}
+
 	if len(configFiles) > 0 {
 		return configFiles, nil
 	}
@@ -84,14 +97,6 @@ func getConfigFilePath() (cmdarg.Arg, error) {
 		return cmdarg.Arg{configFile}, nil
 	}
 
-	if envConfDir := platform.GetConfDirPath(); dirExists(envConfDir) {
-		log.Println("Using confdir from env: ", envConfDir)
-		readConfDir(envConfDir)
-		if len(configFiles) > 0 {
-			return configFiles, nil
-		}
-	}
-
 	log.Println("Using config from STDIN")
 	return cmdarg.Arg{"stdin:"}, nil
 }