195 lines
6.6 KiB
Bash
Executable File
195 lines
6.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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##
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## grub-mkconfig helper script specific to Arch Linux
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## Contributed by "Keshav Amburay" <the ddoott ridikulus ddoott rat aatt geemmayil ddoott ccoomm>
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## Updated on 08 February 2014
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##
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## Script based on do_grub_config() function in Arch Linux Archboot ISO Installer/Setup script
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## Some parts taken from /etc/grub.d/10_linux script shipped by GRUB(2) upstream
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##
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## This script can be freely distributed and/or modified
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## under the terms of the GNU General Public License as published by
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## the Free Software Foundation, either version 3 of the License, or
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## (at your option) any later version.
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##
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## This script is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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_FUNC_GRUB_FILE_PRESENT() {
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[[ -z "${GRUB_PLATFORM}" ]] && GRUB_PLATFORM="x86"
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if [[ "${GRUB_PLATFORM}" == "x86" ]]; then
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check="--is-x86-linux32"
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elif [[ "${GRUB_PLATFORM}" == "i386-xen-pae" ]]; then
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check="--is-i386-xen-pae-domu"
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elif [[ "${GRUB_PLATFORM}" == "x86_64-xen" ]]; then
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check="--is-x86_64-xen-domu"
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else
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check="--is-${GRUB_PLATFORM}-linux"
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fi
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case "${GRUB_PLATFORM}" in
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x86)
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list="$(for i in "${GRUB_ROOT}"/boot/vmlinuz-linux* ; do
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if grub_file_is_not_garbage "${i}" && "${grub_file}" ${check} "${i}" ; then echo -n "${i} " ; fi
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done)" ;;
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*)
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list="$(for i in "${GRUB_ROOT}"/boot/vmlinuz-linux* ; do
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if grub_file_is_not_garbage "${i}" && "${grub_file}" ${check} "${i}" ; then echo -n "${i} " ; fi
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done)" ;;
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esac
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}
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set -e
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prefix="/usr"
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exec_prefix="${prefix}"
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datarootdir="/usr/share"
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datadir="${datarootdir}"
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sysconfdir="/etc"
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. "${datarootdir}/grub/grub-mkconfig_lib"
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. "${sysconfdir}/default/grub"
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export TEXTDOMAIN="grub"
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export TEXTDOMAINDIR="${datarootdir}/locale"
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CLASS="--class arch-linux --class arch --class gnu-linux --class gnu --class os"
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[[ "${grub_file}" != "" ]] && _FUNC_GRUB_FILE_PRESENT
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BOOT_PART_FS_UUID="$(${grub_probe} --target="fs_uuid" "/boot" 2>/dev/null)"
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BOOT_PART_HINTS_STRING="$(${grub_probe} --target="hints_string" "/boot" 2>/dev/null || true)"
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BOOT_PART_FS="$(${grub_probe} --target="fs" "/boot" 2>/dev/null)"
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ROOT_PART_GRUB_DEVICE="$(${grub_probe} --target=device / || true)"
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ROOT_PART_FS="$(${grub_probe} --device ${ROOT_PART_GRUB_DEVICE} --target=fs 2> /dev/null || echo "unknown")"
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if [[ "${GRUB_LINUX_ROOT_DEVICE}" == "" ]]; then
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case "${ROOT_PART_FS}" in
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btrfs)
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rootsubvol="$(make_system_path_relative_to_its_root /)"
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rootsubvol="${rootsubvol#/}"
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if [[ "${rootsubvol}" != "" ]]; then
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GRUB_LINUX_ROOT_DEVICE="subvol=${rootsubvol}"
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fi
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;;
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zfs)
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rpool="$(${grub_probe} --device ${GRUB_DEVICE} --target=fs_label 2>/dev/null || true)"
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bootfs="$(make_system_path_relative_to_its_root / | sed -e "s,@$,,")"
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GRUB_LINUX_ROOT_DEVICE="ZFS=${rpool}${bootfs}"
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;;
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esac
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if [[ "${GRUB_DEVICE_UUID}" == "" ]] || \
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[[ "${GRUB_DISABLE_LINUX_UUID}" == "true" ]] || \
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[[ ! -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" ]] || \
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uses_abstraction "${GRUB_DEVICE}" lvm ; then
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GRUB_LINUX_ROOT_DEVICE="${GRUB_DEVICE}"
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else
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GRUB_LINUX_ROOT_DEVICE="UUID=${GRUB_DEVICE_UUID}"
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fi
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fi
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[[ "${GRUB_LINUX_PARAMS}" == "" ]] && GRUB_LINUX_PARAMS="${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
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for _KERNEL_ in ${list} ; do
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echo "Found linux image: ${_KERNEL_}" >&2
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basename="$(basename "${_KERNEL_}")"
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dirname="$(dirname "${_KERNEL_}")"
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REAL_DIR="$(make_system_path_relative_to_its_root "${dirname}")"
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_KERNEL_FILE_="$(echo ${_KERNEL_} | sed 's,/boot/,,g')"
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_KERNEL_PKG_="pkg-$(echo ${_KERNEL_FILE_} | sed 's,vmlinuz-,,g')"
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_INITRAMFS_="${_KERNEL_FILE_/vmlinuz-/initramfs-}.img"
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if [[ -e "/boot/${_INITRAMFS_}" ]]; then
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echo "Found initramfs image: /boot/${_INITRAMFS_}" >&2
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cat << EOF
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menuentry "Arch Linux ${_KERNEL_PKG_} kernel" ${CLASS} {
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$(save_default_entry)
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if [ x\$feature_all_video_module = xy ]; then
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insmod all_video
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fi
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set gfxpayload=keep
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insmod ${BOOT_PART_FS}
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if [ x\$feature_platform_search_hint = xy ]; then
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search --no-floppy --fs-uuid --set=root ${BOOT_PART_HINTS_STRING} ${BOOT_PART_FS_UUID}
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else
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search --no-floppy --fs-uuid --set=root ${BOOT_PART_FS_UUID}
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fi
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echo 'Loading Arch Linux ${_KERNEL_PKG_} kernel ...'
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linux ${REAL_DIR}/${_KERNEL_FILE_} root=${GRUB_LINUX_ROOT_DEVICE} rw ${GRUB_LINUX_PARAMS}
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echo 'Loading Arch Linux ${_KERNEL_PKG_} kernel initramfs ...'
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initrd ${REAL_DIR}/${_INITRAMFS_}
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}
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EOF
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fi
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_INITRAMFS_FALLBACK_="${_KERNEL_FILE_/vmlinuz-/initramfs-}-fallback.img"
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if [[ -e "/boot/${_INITRAMFS_FALLBACK_}" ]]; then
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echo "Found fallback initramfs image: /boot/${_INITRAMFS_FALLBACK_}" >&2
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cat << EOF
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menuentry "Arch Linux ${_KERNEL_PKG_} kernel (fallback initramfs)" ${CLASS} {
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$(save_default_entry)
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if [ x\$feature_all_video_module = xy ]; then
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insmod all_video
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fi
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set gfxpayload=keep
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insmod ${BOOT_PART_FS}
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if [ x\$feature_platform_search_hint = xy ]; then
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search --no-floppy --fs-uuid --set=root ${BOOT_PART_HINTS_STRING} ${BOOT_PART_FS_UUID}
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else
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search --no-floppy --fs-uuid --set=root ${BOOT_PART_FS_UUID}
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fi
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echo 'Loading Arch Linux ${_KERNEL_PKG_} kernel ...'
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linux ${REAL_DIR}/${_KERNEL_FILE_} root=${GRUB_LINUX_ROOT_DEVICE} rw ${GRUB_LINUX_PARAMS}
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echo 'Loading Arch Linux ${_KERNEL_PKG_} kernel fallback initramfs ...'
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initrd ${REAL_DIR}/${_INITRAMFS_FALLBACK_}
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}
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EOF
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fi
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if [[ ! -e "/boot/${_INITRAMFS_}" ]] && [[ ! -e "/boot/${_INITRAMFS_FALLBACK_}" ]]; then
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cat << EOF
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menuentry "Arch Linux ${_KERNEL_PKG_} kernel (no initramfs)" ${CLASS} {
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$(save_default_entry)
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if [ x\$feature_all_video_module = xy ]; then
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insmod all_video
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fi
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set gfxpayload=keep
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insmod ${BOOT_PART_FS}
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if [ x\$feature_platform_search_hint = xy ]; then
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search --no-floppy --fs-uuid --set=root ${BOOT_PART_HINTS_STRING} ${BOOT_PART_FS_UUID}
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else
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search --no-floppy --fs-uuid --set=root ${BOOT_PART_FS_UUID}
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fi
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echo 'Loading Arch Linux ${_KERNEL_PKG_} kernel ...'
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linux ${REAL_DIR}/${_KERNEL_FILE_} root=${GRUB_LINUX_ROOT_DEVICE} rw ${GRUB_LINUX_PARAMS}
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}
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EOF
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fi
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done
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