posttrans: added check for efi_home/grub.cfg

Resolves: #2326502
Signed-off-by: Nicolas Frayer <nfrayer@redhat.com>

grub2.spec

@@ -17,7 +17,7 @@
 Name:		grub2
 Epoch:		1
 Version:	2.12
-Release:	12%{?dist}
+Release:	13%{?dist}
 Summary:	Bootloader with support for Linux, Multiboot and more
 License:	GPL-3.0-or-later
 URL:		http://www.gnu.org/software/grub/
@@ -368,9 +368,11 @@ else
     fi
 fi
 
+if test -f ${EFI_HOME}/grub.cfg; then
     if (((grep -q "configfile" ${EFI_HOME}/grub.cfg && grep -q "root-dev-only" ${EFI_HOME}/grub.cfg) || grep -q "source" ${EFI_HOME}/grub.cfg) && ! grep -q "# It is automatically generated by grub2-mkconfig using templates" ${EFI_HOME}/grub.cfg); then
         exit 0 #Already unified
     fi
+fi
 
 # create a stub grub2 config in EFI
 BOOT_UUID=$(grub2-probe --target=fs_uuid ${GRUB_HOME})
@@ -560,6 +562,10 @@ mv ${EFI_HOME}/grub.cfg.stb ${EFI_HOME}/grub.cfg
 %endif
 
 %changelog
+* Fri Nov 15 2024 Nicolas Frayer <nfrayer@redhat.com> 2.12-13
+- posttrans: added check for efi_home/grub.cfg
+- Resolves: #2326502
+
 * Wed Oct 23 2024 Leo Sandoval <lsandova@redhat.com> 2.12-12
 - do-rebase: refactor command line parameters