cmd/um/main.go

@@ -122,32 +122,27 @@ func appMain(c *cli.Context) (err error) {
 		printSupportedExtensions()
 		return nil
 	}
-
-	var inputs []string
 	input := c.String("input")
-	if input != "" {
+	if input == "" {
-		inputs = append(inputs, input)
+		switch c.Args().Len() {
+		case 0:
+			input = cwd
+		case 1:
+			input = c.Args().Get(0)
+		default:
+			return errors.New("please specify input file (or directory)")
+		}
 	}
 
-	if c.Args().Len() > 0 {
-		inputs = append(inputs, c.Args().Slice()...)
-	}
-	
-	if len(inputs) == 0 {
-		inputs = append(inputs, cwd)
-	}
-
-	for _, input := range inputs {
 	input, absErr := filepath.Abs(input)
 	if absErr != nil {
-			logger.Warn("get abs path failed", zap.String("input", input), zap.Error(absErr))
+		return fmt.Errorf("get abs path failed: %w", absErr)
-			continue
 	}
 
+	output := c.String("output")
 	inputStat, err := os.Stat(input)
 	if err != nil {
-			logger.Warn("stat input failed", zap.String("input", input), zap.Error(err))
+		return err
-			continue
 	}
 
 	var inputDir string
@@ -161,7 +156,6 @@ func appMain(c *cli.Context) (err error) {
 		return fmt.Errorf("get abs path (inputDir) failed: %w", absErr)
 	}
 
-		output := c.String("output")
 	if output == "" {
 		// Default to where the input dir is
 		output = inputDir
@@ -202,19 +196,14 @@ func appMain(c *cli.Context) (err error) {
 	if inputStat.IsDir() {
 		watchDir := c.Bool("watch")
 		if !watchDir {
-				err = proc.processDir(input)
+			return proc.processDir(input)
 		} else {
-				err = proc.watchDir(input)
+			return proc.watchDir(input)
 		}
 	} else {
-			err = proc.processFile(input)
+		return proc.processFile(input)
-		}
-		if err != nil {
-			logger.Error("conversion failed", zap.String("source", input), zap.Error(err))
-		}
 	}
 
-	return nil
 }
 
 type processor struct {