Simplified

altsrc/json_source_context.go

@@ -19,9 +19,9 @@ func NewJSONSourceFromFlagFunc(flag string) func(c *cli.Context) (InputSourceCon
 	return func(context *cli.Context) (InputSourceContext, error) {
 		if context.IsSet(flag) {
 			return NewJSONSourceFromFile(context.String(flag))
-		} else {
-			return defaultInputSource()
 		}
+
+		return defaultInputSource()
 	}
 }
 

altsrc/toml_file_loader.go

@@ -90,9 +90,9 @@ func NewTomlSourceFromFlagFunc(flagFileName string) func(context *cli.Context) (
 		if context.IsSet(flagFileName) {
 			filePath := context.String(flagFileName)
 			return NewTomlSourceFromFile(filePath)
-		} else {
-			return defaultInputSource()
 		}
+
+		return defaultInputSource()
 	}
 }
 

altsrc/yaml_file_loader.go

@@ -36,9 +36,9 @@ func NewYamlSourceFromFlagFunc(flagFileName string) func(context *cli.Context) (
 		if context.IsSet(flagFileName) {
 			filePath := context.String(flagFileName)
 			return NewYamlSourceFromFile(filePath)
-		} else {
-			return defaultInputSource()
 		}
+
+		return defaultInputSource()
 	}
 }