#!/bin/bash

if ! [[ $KERNEL_INSTALL_MACHINE_ID ]]; then
    exit 0
fi

ARCH=$(uname -m)

[[ -f /etc/default/grub ]] && . /etc/default/grub

# Can't assume a BLS capable bootloader on ppc64
if [[ x$GRUB_ENABLE_BLSCFG = xtrue &&
	  $ARCH != "ppc64" && $ARCH != "ppc64le" ]]; then
    exit 0
fi

COMMAND="$1"

grub_cfg=/boot/grub2/grub.cfg
if mountpoint -q /boot/efi; then
    os_name=$(grep ^ID= /etc/os-release | sed -e 's/^ID=//' -e 's/rhel/redhat/' -e 's/\"//g')
    grub_cfg=/boot/efi/EFI/$os_name/grub.cfg
fi

case "$COMMAND" in
    add|remove)
        grub2-mkconfig --no-grubenv-update -o $grub_cfg >& /dev/null
        ;;
    *)
        ;;
esac