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Edit File: grub2-systemd-integration.service
[Unit] Description=Grub2 systemctl reboot --boot-loader-menu=... support Before=umount.target systemd-reboot.service DefaultDependencies=no ConditionPathExists=/run/systemd/reboot-to-boot-loader-menu [Service] ExecStart=/usr/libexec/grub2/systemd-integration.sh