522 lines
15 KiB
Bash
522 lines
15 KiB
Bash
#! /bin/bash -e
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arch=`uname -m`
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rootdir=
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bootdir=
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efidir=
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install_device=
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efibootdir=
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ca_string=
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no_nvram=no
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removable=no
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clean=no
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sysconfdir="/etc"
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libdir="/usr/lib64" # Beware, this is arch dependent!
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datadir="/usr/share"
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source_dir="${datadir}/efi/${arch}"
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efibootmgr="/usr/sbin/efibootmgr"
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grub_probe="/usr/sbin/grub2-probe"
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grub_mkrelpath="/usr/bin/grub2-mkrelpath"
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no_grub_install=no
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grub_install="/usr/sbin/grub2-install"
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grub_install_target=
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self="`basename $0`"
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grub_cfg="/boot/grub2/grub.cfg"
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update_boot=no
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def_grub_efi="${source_dir}/grub.efi"
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def_boot_efi=
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[ ! -r /usr/etc/default/shim ] || . /usr/etc/default/shim
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[ ! -r /etc/default/shim ] || . /etc/default/shim
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if [ -z "$def_shim_efi" -o ! -e ${source_dir}/${def_shim_efi} ] ; then
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def_shim_efi="shim.efi"
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fi
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source_shim_efi="${source_dir}/${def_shim_efi}"
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if [ x${arch} = xx86_64 ] ; then
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grub_install_target="x86_64-efi"
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def_boot_efi="bootx64.efi"
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elif [ x${arch} = xaarch64 ] ; then
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grub_install_target="arm64-efi"
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def_boot_efi="bootaa64.efi"
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else
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echo "Unsupported architecture: ${arch}"
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exit 1
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fi
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if [ ! -d "${source_dir}" -o ! -e "${def_grub_efi}" ] ; then
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# for outdated packages fall back to previous behavior
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source_dir="$libdir/efi"
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def_grub_efi="${source_dir}/grub.efi"
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fi
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# Get GRUB_DISTRIBUTOR.
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if test -f "${sysconfdir}/default/grub" ; then
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. "${sysconfdir}/default/grub"
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fi
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if [ x"${GRUB_DISTRIBUTOR}" = x ] && [ -f "${sysconfdir}/os-release" ] ; then
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. "${sysconfdir}/os-release"
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GRUB_DISTRIBUTOR="${NAME} ${VERSION}"
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OS_ID="${ID}"
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fi
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bootloader_id="$(echo "$GRUB_DISTRIBUTOR" | tr 'A-Z' 'a-z' | cut -d' ' -f1)"
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if test -z "$bootloader_id"; then
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bootloader_id=grub
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fi
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efi_distributor="$bootloader_id"
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bootloader_id="${bootloader_id}-secureboot"
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case "$bootloader_id" in
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"sle"*)
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ca_string='SUSE Linux Enterprise Secure Boot CA1';;
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"opensuse"*)
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ca_string='openSUSE Secure Boot CA1';;
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*) ca_string="";;
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esac
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case "$OS_ID" in
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"opensuse-leap")
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ca_string='SUSE Linux Enterprise Secure Boot CA1';;
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esac
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is_azure () {
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local bios_vendor;
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local product_name;
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local sys_vendor;
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local sysfs_dmi_id="/sys/class/dmi/id"
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if test -e "${sysfs_dmi_id}/bios_vendor"; then
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bios_vendor=$(cat "${sysfs_dmi_id}/bios_vendor")
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fi
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if test -e "${sysfs_dmi_id}/product_name"; then
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product_name=$(cat "${sysfs_dmi_id}/product_name")
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fi
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if test -e "${sysfs_dmi_id}/sys_vendor"; then
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sys_vendor=$(cat "${sysfs_dmi_id}/sys_vendor")
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fi
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if test "x${bios_vendor}" != "xMicrosoft Corporation"; then
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# return false
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return 1
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fi
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if test "x${product_name}" != "xVirtual Machine"; then
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# return false
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return 1
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fi
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if test "x${sys_vendor}" != "xMicrosoft Corporation"; then
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# return false
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return 1
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fi
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# return true
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return 0
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}
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usage () {
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echo "Usage: $self [OPTION] [INSTALL_DEVICE]"
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echo
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echo "Install Secure Boot Loaders on your drive."
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echo
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echo "--directory=DIR use images from DIR."
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echo "--grub-probe=FILE use FILE as grub-probe."
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echo "--removable the installation device is removable."
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echo "--no-nvram don't update the NVRAM variable."
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echo "--bootloader-id=ID the ID of bootloader."
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echo "--efi-directory=DIR use DIR as the EFI System Partition root."
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echo "--config-file=FILE use FILE as config file, default is $grub_cfg."
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echo "--clean remove all installed files and configs."
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echo "--suse-enable-tpm install grub.efi with TPM support."
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echo "--no-grub-install Do not run grub2-install."
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echo
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echo "INSTALL_DEVICE must be system device filename."
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}
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argument () {
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opt="$1"
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shift
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if test $# -eq 0; then
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echo "$0: option requires an argument -- \`$opt'" 1>&2
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exit 1
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fi
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echo "$1"
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}
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# Check the arguments.
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while test $# -gt 0
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do
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option=$1
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shift
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case "$option" in
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-h | --help)
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usage
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exit 0 ;;
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--root-directory)
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rootdir="`argument $option "$@"`"; shift;;
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--root-directory=*)
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rootdir="`echo "$option" | sed 's/--root-directory=//'`" ;;
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--efi-directory)
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efidir="`argument $option "$@"`"; shift;;
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--efi-directory=*)
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efidir="`echo "$option" | sed 's/--efi-directory=//'`" ;;
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--directory | -d)
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source_dir="`argument $option "$@"`"; shift;;
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--directory=*)
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source_dir="`echo "$option" | sed 's/--directory=//'`" ;;
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--bootloader-id)
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bootloader_id="`argument $option "$@"`"; shift;;
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--bootloader-id=*)
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bootloader_id="`echo "$option" | sed 's/--bootloader-id=//'`" ;;
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--grub-probe)
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grub_probe="`argument "$option" "$@"`"; shift;;
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--grub-probe=*)
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grub_probe="`echo "$option" | sed 's/--grub-probe=//'`" ;;
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--config-file)
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grub_cfg="`argument "$option" "$@"`"; shift;;
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--config-file=*)
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grub_cfg="`echo "$option" | sed 's/--config-file=//'`" ;;
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--removable)
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no_nvram=yes
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removable=yes ;;
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--no-nvram)
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no_nvram=yes ;;
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--suse-enable-tpm)
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# bsc#1174320 shim-install uses wrong paths for EFI files
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# There are 3 possible locations of grub-tpm.efi and we will check them
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# one by one.
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if [ -e "${source_dir}/grub-tpm.efi" ]; then
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source_grub_efi="${source_dir}/grub-tpm.efi"
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elif [ -e "${datadir}/grub2/${grub_install_target}/grub-tpm.efi" ] ; then
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source_grub_efi="${datadir}/grub2/${grub_install_target}/grub-tpm.efi"
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else
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source_grub_efi="/usr/lib/grub2/${grub_install_target}/grub-tpm.efi"
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fi
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;;
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--clean)
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clean=yes ;;
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--no-grub-install)
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no_grub_install=yes ;;
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-*)
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echo "Unrecognized option \`$option'" 1>&2
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usage
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exit 1
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;;
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*)
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if test "x$install_device" != x; then
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echo "More than one install device?" 1>&2
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usage
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exit 1
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fi
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install_device="${option}" ;;
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esac
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done
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if test -n "$efidir"; then
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efi_fs=`"$grub_probe" --target=fs "${efidir}"`
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if test "x$efi_fs" = xfat; then :; else
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echo "$efidir doesn't look like an EFI partition." 1>&2
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efidir=
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fi
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fi
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if [ -z "$bootdir" ]; then
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bootdir="/boot"
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if [ -n "$rootdir" ] ; then
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# Initialize bootdir if rootdir was initialized.
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bootdir="${rootdir}/boot"
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fi
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fi
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# Find the EFI System Partition.
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if test -n "$efidir"; then
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install_device="`"$grub_probe" --target=device --device-map= "${efidir}"`"
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else
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if test -d "${bootdir}/efi"; then
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install_device="`"$grub_probe" --target=device --device-map= "${bootdir}/efi"`"
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# Is it a mount point?
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if test "x$install_device" != "x`"$grub_probe" --target=device --device-map= "${bootdir}"`"; then
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efidir="${bootdir}/efi"
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fi
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elif test -d "${bootdir}/EFI"; then
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install_device="`"$grub_probe" --target=device --device-map= "${bootdir}/EFI"`"
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# Is it a mount point?
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if test "x$install_device" != "x`"$grub_probe" --target=device --device-map= "${bootdir}"`"; then
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efidir="${bootdir}/EFI"
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fi
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elif test -n "$rootdir" && test "x$rootdir" != "x/"; then
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# The EFI System Partition may have been given directly using
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# --root-directory.
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install_device="`"$grub_probe" --target=device --device-map= "${rootdir}"`"
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# Is it a mount point?
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if test "x$install_device" != "x`"$grub_probe" --target=device --device-map= "${rootdir}/.."`"; then
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efidir="${rootdir}"
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fi
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fi
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if test -n "$efidir"; then
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efi_fs=`"$grub_probe" --target=fs "${efidir}"`
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if test "x$efi_fs" = xfat; then :; else
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echo "$efidir doesn't look like an EFI partition." 1>&2
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efidir=
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fi
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fi
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fi
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if test -n "$efidir"; then
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efi_file=shim.efi
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efibootdir="$efidir/EFI/boot"
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mkdir -p "$efibootdir" || exit 1
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if test "$removable" = "yes" ; then
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efidir="$efibootdir"
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else
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efidir="$efidir/EFI/$efi_distributor"
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mkdir -p "$efidir" || exit 1
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fi
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else
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echo "No valid EFI partition" 1>&2
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exit 1;
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fi
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if test "$removable" = "no" -a -f "$efibootdir/$def_boot_efi"; then
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if test -n "$ca_string" && (grep -q "$ca_string" "$efibootdir/$def_boot_efi"); then
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update_boot=yes
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fi
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else
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update_boot=yes
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fi
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if test "$clean" = "yes"; then
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rm -f "${efidir}/shim.efi"
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rm -f "${efidir}/MokManager.efi"
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rm -f "${efidir}/grub.efi"
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rm -f "${efidir}/grub.cfg"
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rm -f "${efidir}/boot.csv"
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if test "$update_boot" = "yes"; then
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rm -f "${efibootdir}/${def_boot_efi}"
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rm -f "${efibootdir}/fallback.efi"
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# bsc#1175626, bsc#1175656 also clean up MokManager
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rm -f "${efibootdir}/MokManager.efi"
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fi
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if test "$no_nvram" = no && test -n "$bootloader_id"; then
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# Delete old entries from the same distributor.
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for bootnum in `$efibootmgr | grep '^Boot[0-9]' | \
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fgrep -i " $bootloader_id" | cut -b5-8`; do
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$efibootmgr -b "$bootnum" -B
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done
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fi
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exit 0
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fi
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cp "${source_dir}/MokManager.efi" "${efidir}"
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if test -n "$source_grub_efi" && ! test -f "$source_grub_efi"; then
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echo "File $source_grub_efi doesn't exist, fallback to default one" 1>&2
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source_grub_efi=""
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fi
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if test -z "$source_grub_efi"; then
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source_grub_efi="$def_grub_efi"
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fi
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echo "copying $source_grub_efi to ${efidir}/grub.efi"
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cp "$source_grub_efi" "${efidir}/grub.efi"
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if test "$efidir" != "$efibootdir" ; then
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cp "${source_shim_efi}" "${efidir}/shim.efi"
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if test -n "$bootloader_id"; then
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echo "shim.efi,${bootloader_id}" | iconv -f ascii -t ucs2 > "${efidir}/boot.csv"
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fi
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fi
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if test "$update_boot" = "yes"; then
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cp "$source_shim_efi" "${efibootdir}/${def_boot_efi}"
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if test "$removable" = "no"; then
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cp "${source_dir}/fallback.efi" "${efibootdir}"
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# bsc#1175626, bsc#1175656 Since shim 15, loading MokManager becomes
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# mandatory if a MOK request exists. Copy MokManager to \EFI\boot so
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# that boot*.efi can load MokManager to process the request instead
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# of shutting down the system immediately.
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cp "${source_dir}/MokManager.efi" "${efibootdir}"
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fi
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fi
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prepare_cryptodisk () {
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uuid="$1"
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if [ "x$GRUB_CRYPTODISK_PASSWORD" != x ]; then
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echo "cryptomount -u $uuid -p \"$GRUB_CRYPTODISK_PASSWORD\""
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return
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fi
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if [ "x$GRUB_TPM2_SEALED_KEY" = x ]; then
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echo "cryptomount -u $uuid"
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return
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fi
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tpm_sealed_key="${GRUB_TPM2_SEALED_KEY}"
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declare -g TPM_PCR_SNAPSHOT_TAKEN
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if [ -z "$TPM_PCR_SNAPSHOT_TAKEN" ]; then
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TPM_PCR_SNAPSHOT_TAKEN=1
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# Check if tpm_record_pcrs is available and set the command to
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# grub.cfg.
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if grep -q "tpm_record_pcrs" ${datadir}/grub2/${arch}-efi/command.lst ; then
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echo "tpm_record_pcrs 0-9"
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fi
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fi
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tpm_srk_alg="${GRUB_TPM2_SRK_ALG}"
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if [ -z "$tpm_srk_alg" ]; then
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tpm_srk_alg="RSA"
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fi
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cat <<EOF
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tpm2_key_protector_init -a $tpm_srk_alg -T \$prefix/$tpm_sealed_key
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if ! cryptomount -u $uuid --protector tpm2; then
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cryptomount -u $uuid
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fi
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EOF
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}
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make_grubcfg () {
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grub_cfg_dirname=`dirname $grub_cfg`
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grub_cfg_basename=`basename $grub_cfg`
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cfg_fs_uuid=`"$grub_probe" --target=fs_uuid "$grub_cfg_dirname"`
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# bsc#1153953 - Leap 42.3 boot error snapshot missing
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# We have to check btrfs is used as root file system to enable relative path
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# lookup for file to be on par with other utility which also accounts for it.
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GRUB_FS="$(stat -f --printf=%T / || echo unknown)"
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if test "x$SUSE_BTRFS_SNAPSHOT_BOOTING" = "xtrue" &&
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[ "x${GRUB_FS}" = "xbtrfs" ] ; then
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cat <<EOF
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set btrfs_relative_path="yes"
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EOF
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if ${grub_mkrelpath} --usage | grep -q -e '--relative'; then
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grub_mkrelpath="${grub_mkrelpath} -r"
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fi
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fi
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if [ x$GRUB_ENABLE_CRYPTODISK = xy ]; then
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for uuid in `"${grub_probe}" --target=cryptodisk_uuid --device-map= "${grub_cfg_dirname}"`; do
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prepare_cryptodisk "$uuid"
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done
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fi
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hints="`"${grub_probe}" --target=hints_string "${grub_cfg_dirname}" 2> /dev/null`"
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if [ "x$hints" != x ]; then
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echo "if [ x\$feature_platform_search_hint = xy ]; then"
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echo " search --no-floppy --fs-uuid --set=root ${hints} ${cfg_fs_uuid}"
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echo "else"
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echo " search --no-floppy --fs-uuid --set=root ${cfg_fs_uuid}"
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echo "fi"
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else
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echo "search --no-floppy --fs-uuid --set=root ${cfg_fs_uuid}"
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fi
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cat <<EOF
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set prefix=(\${root})`${grub_mkrelpath} ${grub_cfg_dirname}`
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source "\${prefix}/${grub_cfg_basename}"
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EOF
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}
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# bnc#889765 GRUB shows broken letters at boot
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# invoke grub_install to initialize /boot/grub2 directory with files needed by grub.cfg
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# bsc#1118363 shim-install didn't specify the target for grub2-install
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# set the target explicitly for some special cases
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if test "$no_grub_install" != "yes"; then
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${grub_install} --target=${grub_install_target} --no-nvram
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fi
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# Making sure grub.cfg not overwritten by grub-install above
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make_grubcfg > "${efidir}/grub.cfg"
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if test "$no_nvram" = no && test -n "$bootloader_id"; then
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modprobe -q efivars 2>/dev/null || true
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# Delete old entries from the same distributor.
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for bootnum in `$efibootmgr | grep '^Boot[0-9]' | \
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fgrep -i " $bootloader_id" | cut -b5-8`; do
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$efibootmgr -b "$bootnum" -B
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done
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efidir_drive="$("$grub_probe" --target=drive --device-map= "$efidir")"
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efidir_disk="$("$grub_probe" --target=disk --device-map= "$efidir")"
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if test -z "$efidir_drive" || test -z "$efidir_disk"; then
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echo "Can't find GRUB drive for $efidir; unable to create EFI Boot Manager entry." >&2
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# bsc#1119762 If the MD device is partitioned, we just need to create one
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# boot entry since the partitions are nested partitions and the mirrored
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|
# partitions share the same UUID.
|
|
elif [[ "$efidir_drive" == \(mduuid/* && "$efidir_drive" != \(mduuid/*,* ]]; then
|
|
eval $(mdadm --detail --export "$efidir_disk" |
|
|
perl -ne 'print if m{^MD_LEVEL=}; push( @D, $1) if (m{^MD_DEVICE_\S+_DEV=(\S+)$});
|
|
sub END() {print "MD_DEVS=\"", join( " ", @D), "\"\n";};')
|
|
if [ "$MD_LEVEL" != "raid1" ]; then
|
|
echo "GRUB drive for $efidir not on RAID1; unable to create EFI Boot Manager entry." >&2
|
|
fi
|
|
for mddev in $MD_DEVS; do
|
|
efidir_drive="$("$grub_probe" --target=drive --device-map= -d "$mddev")"
|
|
efidir_disk="$("$grub_probe" --target=disk --device-map= -d "$mddev")"
|
|
efidir_part="$(echo "$efidir_drive" | sed 's/^([^,]*,[^0-9]*//; s/[^0-9].*//')"
|
|
efidir_d=${mddev#/dev/}
|
|
$efibootmgr -c -d "$efidir_disk" -p "$efidir_part" -w \
|
|
-L "$bootloader_id ($efidir_d)" -l "\\EFI\\$efi_distributor\\$efi_file"
|
|
done
|
|
else
|
|
efidir_part="$(echo "$efidir_drive" | sed 's/^([^,]*,[^0-9]*//; s/[^0-9].*//')"
|
|
$efibootmgr -c -d "$efidir_disk" -p "$efidir_part" -w \
|
|
-L "$bootloader_id" -l "\\EFI\\$efi_distributor\\$efi_file"
|
|
fi
|
|
fi
|
|
|
|
# bsc#1185464 bsc#1185961
|
|
# The Azure firmware sometimes doesn't respect the boot option created by
|
|
# either efibootmgr or fallback.efi so we have to remove fallback.efi to
|
|
# avoid the endless reset loop.
|
|
if is_azure; then
|
|
# Skip the workaround if we don't own \EFI\Boot or the removable
|
|
# option is used
|
|
if test "$update_boot" = "yes" && test "$removable" = "no"; then
|
|
# Remove fallback.efi which could cause the reset loop in Azure
|
|
rm -f "${efibootdir}/fallback.efi"
|
|
# Remove the older grub binary and config
|
|
rm -f "${efibootdir}/grub.efi"
|
|
rm -f "${efibootdir}/grub.cfg"
|
|
# Install new grub binary and config file to \EFI\Boot as
|
|
# the "removable" option
|
|
cp "${efidir}/grub.cfg" "${efibootdir}/grub.cfg"
|
|
cp "${efidir}/grub.efi" "${efibootdir}/grub.efi"
|
|
fi
|
|
fi
|