143 lines
4.0 KiB
Bash
143 lines
4.0 KiB
Bash
#! /bin/sh
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set -e
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# grub-mkconfig helper script.
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# Copyright (C) 2011 Michal Ambroz <rebus@seznam.cz>
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#
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# you can redistribute it and/or modify
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# it 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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# 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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# You should have received a copy of the GNU General Public License
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# along with the script. If not, see <http://www.gnu.org/licenses/>.
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prefix=/usr
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exec_prefix=/usr
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bindir=/usr/bin
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grublibdir=/usr/share/grub
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. ${grublibdir}/grub-mkconfig_lib
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export TEXTDOMAIN=grub
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export TEXTDOMAINDIR=${prefix}/share/locale
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CLASS=""
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if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
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OS=Memtest
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else
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OS="${GRUB_DISTRIBUTOR} Memtest"
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fi
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CONF_FILE="/etc/memtest86+.conf"
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CONF_ELF_VAR="INSTALL_ELF"
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MEMTEST86_ELF=`[ -r "$CONF_FILE" ] && sed -n "/^\s*${CONF_ELF_VAR}\s*=/ {s/^\s*${CONF_ELF_VAR}\s*=\s*\(.*\)$/\1/; T end; s/\s*\(\S\)*\s*/\1/; p; :end}" "$CONF_FILE" 2>/dev/null`
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if [ "x${MEMTEST86_ELF}" = "x" ] || [ "x${MEMTEST86_ELF}" = "x1" ] || [ "x${MEMTEST86_ELF}" = "xtrue" ]; then
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MEMTEST86_ELF=1
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BANNER_SUFFIX=
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IMAGE="elf-memtest"
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else
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MEMTEST86_ELF=0
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IMAGE="memtest"
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BANNER_SUFFIX=" (non-ELF)"
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fi
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# loop-AES arranges things so that /dev/loop/X can be our root device, but
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# the initrds that Linux uses don't like that.
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case ${GRUB_DEVICE} in
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/dev/loop/*|/dev/loop[0-9])
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GRUB_DEVICE=`losetup ${GRUB_DEVICE} | sed -e "s/^[^(]*(\([^)]\+\)).*/\1/"`
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;;
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esac
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if [ "x${GRUB_DEVICE_UUID}" = "x" ] || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \
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|| ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \
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|| uses_abstraction "${GRUB_DEVICE}" lvm; then
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LINUX_ROOT_DEVICE=${GRUB_DEVICE}
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else
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LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID}
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fi
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if [ "x`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2>/dev/null || true`" = xbtrfs ]; then
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rootsubvol="`make_system_path_relative_to_its_root /`"
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rootsubvol="${rootsubvol#/}"
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if [ "x${rootsubvol}" != x ]; then
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GRUB_CMDLINE_LINUX="rootflags=subvol=${rootsubvol} ${GRUB_CMDLINE_LINUX}"
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fi
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fi
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memtest_entry ()
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{
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os="$1"
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version="$2"
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recovery="$3"
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args="$4"
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title="$(gettext_quoted "%s %s")"
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printf "menuentry '${title}${BANNER_SUFFIX}' {\n" "${os}" "${version}"
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if [ x$dirname = x/ ]; then
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if [ -z "${prepare_root_cache}" ]; then
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prepare_root_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE} | sed -e "s/^/\t/")"
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fi
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printf '%s\n' "${prepare_root_cache}"
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else
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if [ -z "${prepare_boot_cache}" ]; then
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prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | sed -e "s/^/\t/")"
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fi
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printf '%s\n' "${prepare_boot_cache}"
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fi
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message="$(gettext_printf "Loading %s %s ..." "${os}" "${version}")"
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if [ "x${MEMTEST86_ELF}" = "x1" ]; then
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cat << EOF
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insmod bsd
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echo '$message'
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knetbsd ${rel_dirname}/${basename}
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}
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EOF
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else
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cat << EOF
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echo '$message'
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linux16 ${rel_dirname}/${basename}
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}
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EOF
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fi
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}
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case x`uname -m` in
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xi?86 | xx86_64)
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list=`for i in /boot/${IMAGE}* ; do
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if grub_file_is_not_garbage "$i" ; then echo -n "$i " ; fi
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done` ;;
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*)
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list=`for i in /boot/${IMAGE}* ; do
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if grub_file_is_not_garbage "$i" ; then echo -n "$i " ; fi
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done` ;;
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esac
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prepare_boot_cache=
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prepare_root_cache=
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while [ "x$list" != "x" ] ; do
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linux=`version_find_latest $list`
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echo "Found memtest image: $linux" >&2
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basename=`basename $linux`
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dirname=`dirname $linux`
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rel_dirname=`make_system_path_relative_to_its_root $dirname`
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version=`echo $basename | sed -e "s,^[^0-9]*-,,g"`
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alt_version=`echo $version | sed -e "s,\.old$,,g"`
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linux_root_device_thisversion="${LINUX_ROOT_DEVICE}"
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memtest_entry "${OS}" "${version}" false \
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"${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
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list=`echo $list | tr ' ' '\n' | grep -vx $linux | tr '\n' ' '`
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done
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