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85 lines
2.6 KiB
85 lines
2.6 KiB
set_bootloader() {
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case "${BOOTLOADER}" in
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grub)
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set_bootloader_grub
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;;
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*)
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print_warning "Bootloader ${BOOTLOADER} is not currently supported"
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;;
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esac
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}
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set_bootloader_read_fstab() {
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local ROOTFS=$(awk 'BEGIN{RS="((#[^\n]*)?\n)"}( $2 == "/" ) { print $1; exit }' /etc/fstab)
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local BOOTFS=$(awk 'BEGIN{RS="((#[^\n]*)?\n)"}( $2 == "'${BOOTDIR}'") { print $1; exit }' /etc/fstab)
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# If ${BOOTDIR} is not defined in /etc/fstab, it must be the same as /
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[ -z "${BOOTFS}" ] && BOOTFS=${ROOTFS}
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echo "${ROOTFS} ${BOOTFS}"
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}
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set_bootloader_grub_read_device_map() {
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# Read GRUB device map
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[ ! -d ${TEMP} ] && mkdir ${TEMP}
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echo "quit" | grub --batch --device-map=${TEMP}/grub.map &>/dev/null
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echo "${TEMP}/grub.map"
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}
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set_bootloader_grub() {
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local GRUB_CONF="${BOOTDIR}/grub/grub.conf"
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print_info 1 "Adding kernel to ${GRUB_CONF}..."
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if [ ! -e ${GRUB_CONF} ]
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then
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local GRUB_BOOTFS
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if [ -n "${BOOTFS}" ]
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then
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GRUB_BOOTFS=$BOOTFS
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else
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GRUB_BOOTFS=$(set_bootloader_read_fstab | cut -d' ' -f2)
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fi
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# Get the GRUB mapping for our device
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local GRUB_BOOT_DISK1=$(echo ${GRUB_BOOTFS} | sed -e 's#\(/dev/.\+\)[[:digit:]]\+#\1#')
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local GRUB_BOOT_DISK=$(awk '{if ($2 == "'${GRUB_BOOT_DISK1}'") {gsub(/(\(|\))/, "", $1); print $1;}}' ${TEMP}/grub.map)
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local GRUB_BOOT_PARTITION=$(($(echo ${GRUB_BOOTFS} | sed -e 's#/dev/.\+\([[:digit:]]?*\)#\1#') - 1))
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if [ -n "${GRUB_BOOT_DISK}" -a -n "${GRUB_BOOT_PARTITION}" ]
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then
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# Create grub configuration directory and file if it doesn't exist.
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[ ! -d `dirname ${GRUB_CONF}` ] && mkdir -p `dirname ${GRUB_CONF}`
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touch ${GRUB_CONF}
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echo 'default 0' >> ${GRUB_CONF}
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echo 'timeout 5' >> ${GRUB_CONF}
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echo "root (${GRUB_BOOT_DISK},${GRUB_BOOT_PARTITION})" >> ${GRUB_CONF}
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echo >> ${GRUB_CONF}
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# Add grub configuration to grub.conf
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echo "# Genkernel generated entry, see GRUB documentation for details" >> ${GRUB_CONF}
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echo "title=Gentoo Linux ($KV)" >> ${GRUB_CONF}
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if [ "${BUILD_INITRD}" -eq '0' ]
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then
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echo -e "\tkernel /kernel-${KNAME}-${ARCH}-${KV} root=${GRUB_ROOTFS}" >> ${GRUB_CONF}
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else
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echo -e "\tkernel /kernel-${KNAME}-${ARCH}-${KV} root=/dev/ram0 init=/linuxrc real_root=${GRUB_ROOTFS}" >> ${GRUB_CONF}
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if [ "${PAT}" -gt '4' ]
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then
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echo -e "\tinitrd /initramfs-${KNAME}-${ARCH}-${KV}" >> ${GRUB_CONF}
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fi
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fi
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echo >> ${GRUB_CONF}
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else
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print_error 1 "Error! ${BOOTDIR}/grub/grub.conf does not exist and the correct settings can not be automatically detected."
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print_error 1 "Please manually create your ${BOOTDIR}/grub/grub.conf file."
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fi
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else
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# The grub.conf already exists, so let's try to duplicate the default entry
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fi
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}
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