qubes-core-admin-linux/system-config/kernel-grub2.install

#!/bin/sh

COMMAND="$1"
KVER="$2"

case "$COMMAND" in
    add)
        dracut -f "/boot/initramfs-${KVER}.img" "$KVER"
        ;;
    remove)
        rm -f "/boot/initramfs-${KVER}.img"
        ;;
esac
if [ -x /usr/sbin/grub2-mkconfig ]; then
    grub2-mkconfig -o /boot/grub2/grub.cfg
fi