fix: issue with downloading without hooks

internal/archive/archive.go

@@ -72,10 +72,14 @@ func addToArchive(tw *tar.Writer, filename string, hooks []makeshift.Hook) error
 		}
 	}
 
-	// open file to write to archive
-	file, err = os.Open(tempfile)
+	// use original file if no hooks to write archive
+	if len(hooks) == 0 {
+		file, err = os.Open(filename)
+	} else {
+		file, err = os.Open(tempfile)
+	}
 	if err != nil {
-		return fmt.Errorf("failed to open temporary file: %v", err)
+		return fmt.Errorf("failed to open archive file: %v", err)
 	}
 	defer file.Close()
 
@@ -108,15 +112,21 @@ func addToArchive(tw *tar.Writer, filename string, hooks []makeshift.Hook) error
 	}
 
 	// copy file content to tar archive
-	_, err = io.Copy(tw, strings.NewReader(string(data.([]byte))))
+	if len(hooks) == 0 {
+		_, err = io.Copy(tw, file)
+	} else {
+		_, err = io.Copy(tw, strings.NewReader(string(data.([]byte))))
+	}
 	if err != nil {
 		return err
 	}
 
 	// delete the temporary file since we're done with it
-	err = os.Remove(tempfile)
-	if err != nil {
-		return err
+	if len(hooks) != 0 {
+		err = os.Remove(tempfile)
+		if err != nil {
+			return err
+		}
 	}
 
 	return nil