Fix lint errors

arguments.go

@@ -34,8 +34,8 @@ Options:
 type arguments struct {
 	filenames   []string
 	concurrency int
-	recursive   bool
 	timeout     time.Duration
+	recursive   bool
 	verbose     bool
 }
 
@@ -65,8 +65,8 @@ func getArgs() (arguments, error) {
 	return arguments{
 		args["<filenames>"].([]string),
 		int(c),
-		args["--recursive"].(bool),
 		time.Duration(t) * time.Second,
+		args["--recursive"].(bool),
 		args["--verbose"].(bool),
 	}, nil
 }

main.go

@@ -52,7 +52,13 @@ func listFilesRecursively(fs []string) ([]string, error) {
 		}
 
 		if i.IsDir() {
-			gs = append(gs, listFiles(f)...)
+			fs, err := listFiles(f)
+
+			if err != nil {
+				return nil, err
+			}
+
+			gs = append(gs, fs...)
 		} else {
 			gs = append(gs, f)
 		}

utils.go

@@ -27,32 +27,30 @@ func indent(s string) string {
 	return text.Indent(s, "\t")
 }
 
-func listFiles(d string) []string {
+func listFiles(d string) ([]string, error) {
-	fc := make(chan string, 1024)
+	fs := []string{}
+
+	err := filepath.Walk(d, func(f string, i os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
 
-	go func() {
+		b, err := regexp.MatchString("(^\\.)|(/\\.)", f)
-		filepath.Walk(d, func(p string, f os.FileInfo, err error) error {
-			b, err := regexp.MatchString("(^\\.)|(/\\.)", p)
 
 		if err != nil {
 			return err
 		}
 
-			if !f.IsDir() && !b && isMarkupFile(p) {
+		if !i.IsDir() && !b && isMarkupFile(f) {
-				fc <- p
+			fs = append(fs, f)
 		}
 
 		return nil
 	})
 
-		close(fc)
+	if err != nil {
-	}()
+		return nil, err
-
-	fs := []string{}
-
-	for f := range fc {
-		fs = append(fs, f)
 	}
 
-	return fs
+	return fs, nil
 }

utils_test.go

@@ -8,8 +8,9 @@ import (
 )
 
 func TestListFiles(t *testing.T) {
-	fs := listFiles(".")
+	fs, err := listFiles(".")
 
+	assert.Equal(t, nil, err)
 	assert.NotEqual(t, 0, len(fs))
 
 	for _, f := range fs {