The update from today went wrong:
error: file /usr/bin/grub-editenv from install of grub-efi-editenv-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /etc/bash_completion.d/grub from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /etc/grub.d/00_header from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /etc/grub.d/10_linux from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /etc/grub.d/20_linux_xen from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /etc/grub.d/30_os-prober from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /etc/kernel/postinst.d/40grub from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /etc/kernel/postrm.d/40grub from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /usr/bin/grub-fstest from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /usr/bin/grub-kbdcomp from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /usr/bin/grub-menulst2cfg from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /usr/bin/grub-mkimage from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /usr/bin/grub-mklayout from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /usr/bin/grub-mkpasswd-pbkdf2 from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /usr/bin/grub-mkrelpath from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /usr/bin/grub-script-check from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /usr/sbin/grub-bios-setup from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /usr/sbin/grub-mkconfig from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /usr/sbin/grub-ofpathname from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /usr/sbin/grub-probe from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /usr/sbin/grub-reboot from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /usr/sbin/grub-set-default from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /usr/sbin/grub-sparc64-setup from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64
error: file /usr/share/grub/grub-mkconfig_lib from install of grub-efi-common-2.02-r0.e1.d2.x86_64 conflicts with file from package grub-2.00-r1.e4.y2.d2.x86_64