3e0fa5c063
If / is on the root dataset in a ZFS pool, then ${bootfs} will be set to
"/" (whereas if it is on a non-root dataset, there will be no trailing
slash). Passing "root=ZFS=${rpool}/" will fail to boot, but
"root=ZFS=${rpool}" works fine, so strip the trailing slash.
Fixes: https://savannah.gnu.org/bugs/?52746
Signed-off-by: Colin Watson <cjwatson@ubuntu.com>
Tested-by: Fejes József <jozsef.fejes@gmail.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
294 lines
10 KiB
Bash
294 lines
10 KiB
Bash
#! /bin/sh
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set -e
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# grub-mkconfig helper script.
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# Copyright (C) 2006,2007,2008,2009,2010 Free Software Foundation, Inc.
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#
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# GRUB is free software: 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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# GRUB 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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# You should have received a copy of the GNU General Public License
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# along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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prefix="@prefix@"
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exec_prefix="@exec_prefix@"
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datarootdir="@datarootdir@"
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. "$pkgdatadir/grub-mkconfig_lib"
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export TEXTDOMAIN=@PACKAGE@
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export TEXTDOMAINDIR="@localedir@"
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CLASS="--class gnu-linux --class gnu --class os"
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if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
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OS=GNU/Linux
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else
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OS="${GRUB_DISTRIBUTOR} GNU/Linux"
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CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr 'A-Z' 'a-z' | cut -d' ' -f1|LC_ALL=C sed 's,[^[:alnum:]_],_,g') ${CLASS}"
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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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# Default to disabling partition uuid support to maintian compatibility with
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# older kernels.
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GRUB_DISABLE_LINUX_PARTUUID=${GRUB_DISABLE_LINUX_PARTUUID-true}
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# btrfs may reside on multiple devices. We cannot pass them as value of root= parameter
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# and mounting btrfs requires user space scanning, so force UUID in this case.
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if ( [ "x${GRUB_DEVICE_UUID}" = "x" ] && [ "x${GRUB_DEVICE_PARTUUID}" = "x" ] ) \
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|| ( [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \
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&& [ "x${GRUB_DISABLE_LINUX_PARTUUID}" = "xtrue" ] ) \
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|| ( ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \
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&& ! test -e "/dev/disk/by-partuuid/${GRUB_DEVICE_PARTUUID}" ) \
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|| ( test -e "${GRUB_DEVICE}" && uses_abstraction "${GRUB_DEVICE}" lvm ); then
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LINUX_ROOT_DEVICE=${GRUB_DEVICE}
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elif [ "x${GRUB_DEVICE_UUID}" = "x" ] \
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|| [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ]; then
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LINUX_ROOT_DEVICE=PARTUUID=${GRUB_DEVICE_PARTUUID}
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else
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LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID}
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fi
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case x"$GRUB_FS" in
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xbtrfs)
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rootsubvol="`make_system_path_relative_to_its_root /`"
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rootsubvol="${rootsubvol#/}"
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if [ "x${rootsubvol}" != x ]; then
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GRUB_CMDLINE_LINUX="rootflags=subvol=${rootsubvol} ${GRUB_CMDLINE_LINUX}"
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fi;;
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xzfs)
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rpool=`${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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LINUX_ROOT_DEVICE="ZFS=${rpool}${bootfs%/}"
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;;
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esac
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title_correction_code=
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linux_entry ()
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{
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os="$1"
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version="$2"
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type="$3"
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args="$4"
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if [ -z "$boot_device_id" ]; then
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boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
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fi
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if [ x$type != xsimple ] ; then
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case $type in
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recovery)
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title="$(gettext_printf "%s, with Linux %s (recovery mode)" "${os}" "${version}")" ;;
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*)
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title="$(gettext_printf "%s, with Linux %s" "${os}" "${version}")" ;;
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esac
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if [ x"$title" = x"$GRUB_ACTUAL_DEFAULT" ] || [ x"Previous Linux versions>$title" = x"$GRUB_ACTUAL_DEFAULT" ]; then
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replacement_title="$(echo "Advanced options for ${OS}" | sed 's,>,>>,g')>$(echo "$title" | sed 's,>,>>,g')"
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quoted="$(echo "$GRUB_ACTUAL_DEFAULT" | grub_quote)"
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title_correction_code="${title_correction_code}if [ \"x\$default\" = '$quoted' ]; then default='$(echo "$replacement_title" | grub_quote)'; fi;"
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grub_warn "$(gettext_printf "Please don't use old title \`%s' for GRUB_DEFAULT, use \`%s' (for versions before 2.00) or \`%s' (for 2.00 or later)" "$GRUB_ACTUAL_DEFAULT" "$replacement_title" "gnulinux-advanced-$boot_device_id>gnulinux-$version-$type-$boot_device_id")"
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fi
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echo "menuentry '$(echo "$title" | grub_quote)' ${CLASS} \$menuentry_id_option 'gnulinux-$version-$type-$boot_device_id' {" | sed "s/^/$submenu_indentation/"
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else
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echo "menuentry '$(echo "$os" | grub_quote)' ${CLASS} \$menuentry_id_option 'gnulinux-simple-$boot_device_id' {" | sed "s/^/$submenu_indentation/"
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fi
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if [ x$type != xrecovery ] ; then
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save_default_entry | grub_add_tab
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fi
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# Use ELILO's generic "efifb" when it's known to be available.
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# FIXME: We need an interface to select vesafb in case efifb can't be used.
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if [ "x$GRUB_GFXPAYLOAD_LINUX" = x ]; then
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echo " load_video" | sed "s/^/$submenu_indentation/"
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if grep -qx "CONFIG_FB_EFI=y" "${config}" 2> /dev/null \
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&& grep -qx "CONFIG_VT_HW_CONSOLE_BINDING=y" "${config}" 2> /dev/null; then
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echo " set gfxpayload=keep" | sed "s/^/$submenu_indentation/"
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fi
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else
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if [ "x$GRUB_GFXPAYLOAD_LINUX" != xtext ]; then
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echo " load_video" | sed "s/^/$submenu_indentation/"
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fi
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echo " set gfxpayload=$GRUB_GFXPAYLOAD_LINUX" | sed "s/^/$submenu_indentation/"
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fi
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echo " insmod gzio" | sed "s/^/$submenu_indentation/"
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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 ${GRUB_DEVICE} | grub_add_tab)"
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fi
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printf '%s\n' "${prepare_root_cache}" | sed "s/^/$submenu_indentation/"
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else
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if [ -z "${prepare_boot_cache}" ]; then
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prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | grub_add_tab)"
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fi
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printf '%s\n' "${prepare_boot_cache}" | sed "s/^/$submenu_indentation/"
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fi
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message="$(gettext_printf "Loading Linux %s ..." ${version})"
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sed "s/^/$submenu_indentation/" << EOF
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echo '$(echo "$message" | grub_quote)'
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linux ${rel_dirname}/${basename} root=${linux_root_device_thisversion} ro ${args}
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EOF
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if test -n "${initrd}" ; then
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# TRANSLATORS: ramdisk isn't identifier. Should be translated.
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message="$(gettext_printf "Loading initial ramdisk ...")"
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initrd_path=
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for i in ${initrd}; do
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initrd_path="${initrd_path} ${rel_dirname}/${i}"
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done
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sed "s/^/$submenu_indentation/" << EOF
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echo '$(echo "$message" | grub_quote)'
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initrd $(echo $initrd_path)
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EOF
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fi
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sed "s/^/$submenu_indentation/" << EOF
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}
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EOF
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}
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machine=`uname -m`
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case "x$machine" in
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xi?86 | xx86_64)
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list=
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for i in /boot/vmlinuz-* /vmlinuz-* /boot/kernel-* ; do
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if grub_file_is_not_garbage "$i" ; then list="$list $i" ; fi
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done ;;
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*)
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list=
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for i in /boot/vmlinuz-* /boot/vmlinux-* /vmlinuz-* /vmlinux-* /boot/kernel-* ; do
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if grub_file_is_not_garbage "$i" ; then list="$list $i" ; fi
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done ;;
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esac
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case "$machine" in
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i?86) GENKERNEL_ARCH="x86" ;;
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mips|mips64) GENKERNEL_ARCH="mips" ;;
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mipsel|mips64el) GENKERNEL_ARCH="mipsel" ;;
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arm*) GENKERNEL_ARCH="arm" ;;
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*) GENKERNEL_ARCH="$machine" ;;
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esac
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prepare_boot_cache=
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prepare_root_cache=
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boot_device_id=
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title_correction_code=
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# Extra indentation to add to menu entries in a submenu. We're not in a submenu
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# yet, so it's empty. In a submenu it will be equal to '\t' (one tab).
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submenu_indentation=""
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is_top_level=true
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while [ "x$list" != "x" ] ; do
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linux=`version_find_latest $list`
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gettext_printf "Found linux image: %s\n" "$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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initrd_early=
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for i in ${GRUB_EARLY_INITRD_LINUX_STOCK} \
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${GRUB_EARLY_INITRD_LINUX_CUSTOM}; do
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if test -e "${dirname}/${i}" ; then
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initrd_early="${initrd_early} ${i}"
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fi
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done
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initrd_real=
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for i in "initrd.img-${version}" "initrd-${version}.img" "initrd-${version}.gz" \
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"initrd-${version}" "initramfs-${version}.img" \
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"initrd.img-${alt_version}" "initrd-${alt_version}.img" \
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"initrd-${alt_version}" "initramfs-${alt_version}.img" \
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"initramfs-genkernel-${version}" \
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"initramfs-genkernel-${alt_version}" \
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"initramfs-genkernel-${GENKERNEL_ARCH}-${version}" \
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"initramfs-genkernel-${GENKERNEL_ARCH}-${alt_version}"; do
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if test -e "${dirname}/${i}" ; then
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initrd_real="${i}"
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break
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fi
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done
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initrd=
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if test -n "${initrd_early}" || test -n "${initrd_real}"; then
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initrd="${initrd_early} ${initrd_real}"
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initrd_display=
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for i in ${initrd}; do
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initrd_display="${initrd_display} ${dirname}/${i}"
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done
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gettext_printf "Found initrd image: %s\n" "$(echo $initrd_display)" >&2
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fi
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config=
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for i in "${dirname}/config-${version}" "${dirname}/config-${alt_version}" "/etc/kernels/kernel-config-${version}" ; do
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if test -e "${i}" ; then
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config="${i}"
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break
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fi
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done
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initramfs=
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if test -n "${config}" ; then
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initramfs=`grep CONFIG_INITRAMFS_SOURCE= "${config}" | cut -f2 -d= | tr -d \"`
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fi
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if test -z "${initramfs}" && test -z "${initrd_real}" ; then
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# "UUID=" and "ZFS=" magic is parsed by initrd or initramfs. Since there's
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# no initrd or builtin initramfs, it can't work here.
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if [ "x${GRUB_DEVICE_PARTUUID}" = "x" ] \
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|| [ "x${GRUB_DISABLE_LINUX_PARTUUID}" = "xtrue" ]; then
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linux_root_device_thisversion=${GRUB_DEVICE}
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else
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linux_root_device_thisversion=PARTUUID=${GRUB_DEVICE_PARTUUID}
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fi
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fi
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if [ "x$is_top_level" = xtrue ] && [ "x${GRUB_DISABLE_SUBMENU}" != xy ]; then
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linux_entry "${OS}" "${version}" simple \
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"${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
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submenu_indentation="$grub_tab"
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if [ -z "$boot_device_id" ]; then
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boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
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fi
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# TRANSLATORS: %s is replaced with an OS name
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echo "submenu '$(gettext_printf "Advanced options for %s" "${OS}" | grub_quote)' \$menuentry_id_option 'gnulinux-advanced-$boot_device_id' {"
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is_top_level=false
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fi
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linux_entry "${OS}" "${version}" advanced \
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"${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
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if [ "x${GRUB_DISABLE_RECOVERY}" != "xtrue" ]; then
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linux_entry "${OS}" "${version}" recovery \
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"single ${GRUB_CMDLINE_LINUX}"
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fi
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list=`echo $list | tr ' ' '\n' | fgrep -vx "$linux" | tr '\n' ' '`
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done
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# If at least one kernel was found, then we need to
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# add a closing '}' for the submenu command.
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if [ x"$is_top_level" != xtrue ]; then
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echo '}'
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fi
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echo "$title_correction_code"
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