@@ -194,6 +194,25 @@
 	return commitRef, nil
 }
 
+func (g *Repo) HasFile(path string) (bool, error) {
+	c, err := g.r.CommitObject(g.h)
+	if err != nil {
+		return false, fmt.Errorf("commit object: %w", err)
+	}
+
+	tree, err := c.Tree()
+	if err != nil {
+		return false, fmt.Errorf("file tree: %w", err)
+	}
+
+	file, err := tree.File(path)
+	if err != nil && err != object.ErrFileNotFound {
+		return false, err
+	}
+
+	return file != nil, nil
+}
+
 func (g *Repo) FileContent(path string) (string, error) {
 	c, err := g.r.CommitObject(g.h)
 	if err != nil {

@@ -16,9 +16,9 @@ "github.com/savsgio/atreugo/v11"
 )
 
 func isGoModule(gr *git.Repo) bool {
-	_, err := gr.FileContent("go.mod")
+	has, _ := gr.HasFile("go.mod")
 
-	return err == nil
+	return has
 }
 
 func getDisplayName(name string) string {