👔 up: envutil - dotenv add new option: LoadFirstExist

Author: inhere

envutil/dotenv.go

@@ -28,6 +28,8 @@ type Dotenv struct {
 	//
 	// - default: false - will return error if not exists
 	IgnoreNotExist bool
+	// LoadFirstExist only load first exists env file on Files
+	LoadFirstExist bool
 
 	loadFiles []string
 	loadData  map[string]string
@@ -72,6 +74,9 @@ func (c *Dotenv) doLoadFiles(files []string) error {
 		if err := c.loadFile(filePath); err != nil {
 			return err
 		}
+		if c.LoadFirstExist && len(c.loadFiles) > 0 {
+			break
+		}
 	}
 
 	return nil
@@ -186,3 +191,8 @@ func LoadEnvFiles(baseDir string, files ...string) error {
 	})
 }
 
+// LoadedEnvFiles get loaded dotenv files
+func LoadedEnvFiles() []string {
+	return stdEnv.LoadedFiles()
+}
+