File project.diff of Package update-bootloader

--- update-bootloader.spec.orig
+++ update-bootloader.spec
@@ -32,6 +32,7 @@ Requires:       util-linux
 Obsoletes:      perl-Bootloader-YAML < %{version}
 Obsoletes:      perl-Bootloader < %{version}-%{release}
 Provides:       perl-Bootloader = %{version}-%{release}
+Requires(pre):  grub2-common
 Conflicts:      kexec-tools < 2.0.26.0
 Summary:        Tool for boot loader configuration
 License:        GPL-2.0-or-later