Move OverwriteFile to util

internal/util/file.go

@@ -0,0 +1,34 @@
+package util
+
+import (
+	"fmt"
+	"os"
+)
+
+func OverwriteFile(path, content string) error {
+	f, err := os.OpenFile(path, os.O_RDWR, 0644)
+	if err != nil {
+		return fmt.Errorf("opening File: %w", err)
+	}
+
+	err = f.Truncate(0)
+	if err != nil {
+		return fmt.Errorf("truncate File: %w", err)
+	}
+
+	_, err = f.Seek(0, 0)
+	if err != nil {
+		return fmt.Errorf("seek File: %w", err)
+	}
+
+	_, err = f.WriteString(content + "\n")
+	if err != nil {
+		return fmt.Errorf("writing File: %w", err)
+	}
+
+	err = f.Sync()
+	if err != nil {
+		return fmt.Errorf("syncing File: %w", err)
+	}
+	return nil
+}