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#! /bin/sh

set -e

# grub-mkconfig helper script.

# GRUB is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

# GRUB is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License

# along with GRUB. If not, see <http://www.gnu.org/licenses/>.

prefix="/usr"

exec_prefix="/usr"

datarootdir="/usr/share"

ME=$(basename $0)

. "${datarootdir}/grub2/grub-mkconfig_lib"

export TEXTDOMAIN=grub2

export TEXTDOMAINDIR="${datarootdir}/locale"

if [ ! -e /proc/xen/xsd_port -a -e /proc/xen ]; then

# we're running on xen domU guest

# prevent setting up nested virt on HVM or PV domU guest

exit 0

CLASS="--class gnu-linux --class gnu --class os --class xen"

if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then

OS=GNU/Linux

os=linux

else

OS="${GRUB_DISTRIBUTOR} GNU/Linux"

OS="${GRUB_DISTRIBUTOR}"

CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr 'A-Z' 'a-z' | cut -d' ' -f1|LC_ALL=C sed 's,[^[:alnum:]_],_,g') ${CLASS}"

os="$(echo ${GRUB_DISTRIBUTOR} | tr 'A-Z' 'a-z' | cut -d' ' -f1)"

CLASS="--class ${os} ${CLASS}"

# loop-AES arranges things so that /dev/loop/X can be our root device, but

# the initrds that Linux uses don't like that.

case ${GRUB_DEVICE} in

/dev/loop/*|/dev/loop[0-9])

GRUB_DEVICE=`losetup ${GRUB_DEVICE} | sed -e "s/^[^(]*($[^)]\+$).*/\1/"`

;;

esac

if [ "x${GRUB_DEVICE_UUID}" = "x" ] || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \

|| ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \

|| uses_abstraction "${GRUB_DEVICE}" lvm; then

LINUX_ROOT_DEVICE=${GRUB_DEVICE}

else

LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID}

# Allow overriding GRUB_CMDLINE_LINUX and GRUB_CMDLINE_LINUX_DEFAULT.

if [ "${GRUB_CMDLINE_LINUX_XEN_REPLACE}" ]; then

GRUB_CMDLINE_LINUX="${GRUB_CMDLINE_LINUX_XEN_REPLACE}"

if [ "${GRUB_CMDLINE_LINUX_XEN_REPLACE_DEFAULT}" ]; then

GRUB_CMDLINE_LINUX_DEFAULT="${GRUB_CMDLINE_LINUX_XEN_REPLACE_DEFAULT}"

case x"$GRUB_FS" in

xbtrfs)

if [ "x${SUSE_BTRFS_SNAPSHOT_BOOTING}" = "xtrue" ]; then

GRUB_CMDLINE_LINUX="${GRUB_CMDLINE_LINUX} \${extra_cmdline}"

else

rootsubvol="`make_system_path_relative_to_its_root /`"

rootsubvol="${rootsubvol#/}"

if [ "x${rootsubvol}" != x ]; then

GRUB_CMDLINE_LINUX="rootflags=subvol=${rootsubvol} ${GRUB_CMDLINE_LINUX}"

fi;;

xzfs)

rpool=`${grub_probe} --device ${GRUB_DEVICE} --target=fs_label 2>/dev/null || true`

bootfs="`make_system_path_relative_to_its_root / | sed -e "s,@$,,"`"

LINUX_ROOT_DEVICE="ZFS=${rpool}${bootfs}"

;;

esac

title_correction_code=

if [ -d /sys/firmware/efi ]; then

is_efi=true

err_msg=""

efi_dir="/boot/efi/efi/${os}"

grub_dir=/boot/grub2

xen_dir=/usr/lib64/efi

for d in $grub_dir $efi_dir $xen_dir; do

[ ! -d "$d" ] || continue

err_msg="${err_msg}$ME: Essential directory '$d' not found!\n"

done

if ! [ -d "$efi_dir" -a -d "$grub_dir" -a -d "$xen_dir" ]; then

err_msg="${err_msg}$ME: XEN configuration skipped!\n"

else

rm -f $grub_dir/xen*.cfg

if [ -s $efi_dir/grub.xen-files ]; then

for f in $(sort $efi_dir/grub.xen-files| uniq); do

rm -f $efi_dir/$f

done

: > $efi_dir/grub.xen-files

else

is_efi=false

linux_entry ()

{

os="$1"

version="$2"

xen_version="$3"

type="$4"

args="$5"

xen_args="$6"

if [ -n "${linux_root_device_thisversion}" ]; then

root_device="root=${linux_root_device_thisversion}"

else

root_device=""

if [ -z "$boot_device_id" ]; then

boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"

if [ x$type != xsimple ] ; then

if [ x$type = xrecovery ] ; then

title="$(gettext_printf "%s, with Xen %s and Linux %s (recovery mode)" "${os}" "${xen_version}" "${version}")"

else

title="$(gettext_printf "%s, with Xen %s and Linux %s" "${os}" "${xen_version}" "${version}")"

replacement_title="$(echo "Advanced options for ${OS}" | sed 's,>,>>,g')>$(echo "$title" | sed 's,>,>>,g')"

if [ x"Xen ${xen_version}>$title" = x"$GRUB_ACTUAL_DEFAULT" ]; then

quoted="$(echo "$GRUB_ACTUAL_DEFAULT" | grub_quote)"

title_correction_code="${title_correction_code}if [ \"x\$default\" = '$quoted' ]; then default='$(echo "$replacement_title" | grub_quote)'; fi;"

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")"

echo "menuentry '$(echo "$title" | grub_quote)' ${CLASS} \$menuentry_id_option 'xen-gnulinux-$version-$type-$boot_device_id' {" | sed "s/^/$submenu_indentation/"

else

title="$(gettext_printf "%s, with Xen hypervisor" "${os}")"

echo "menuentry '$(echo "$title" | grub_quote)' ${CLASS} \$menuentry_id_option 'xen-gnulinux-simple-$boot_device_id' {" | sed "s/^/$submenu_indentation/"

if [ x$type != xrecovery ] ; then

save_default_entry | grub_add_tab | sed "s/^/$submenu_indentation/"

if $is_efi; then

xen_cfg=${xen_basename/.efi/.cfg}

if [ "$section_count" = 0 ]; then

cat <<-EOF > $grub_dir/$xen_cfg

# disclaimer

[global]

#default=

EOF

section_count=$(expr $section_count + 1)

if [ x$type != xrecovery ] ; then

section="config.$section_count"

else

section="failsafe.$section_count"

cat <<-EOF >> $grub_dir/$xen_cfg

[$section]

options=${xen_args}

kernel=${basename} root=${linux_root_device_thisversion} ${args}

ramdisk=${initrd}

EOF

message="$(gettext_printf "Loading Xen %s with Linux %s ..." ${xen_version} ${version})"

sed "s/^/$submenu_indentation/" <<-EOF

echo '$(echo "$message" | grub_quote)'

chainloader \$cmdpath/${xen_basename} ${xen_basename} $section

}

EOF

for f in ${grub_dir}/$xen_cfg ${xen_dir}/${xen_basename} ${rel_dirname}/${basename} ${rel_dirname}/${initrd}; do

cp --preserve=timestamps $f $efi_dir

echo $(basename $f) >> $efi_dir/grub.xen-files

done

return

if [ -z "${prepare_boot_cache}" ]; then

prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | grub_add_tab)"

printf '%s\n' "${prepare_boot_cache}" | sed "s/^/$submenu_indentation/"

xmessage="$(gettext_printf "Loading Xen %s ..." ${xen_version})"

lmessage="$(gettext_printf "Loading Linux %s ..." ${version})"

sed "s/^/$submenu_indentation/" << EOF

echo '$(echo "$xmessage" | grub_quote)'

if [ "\$grub_platform" = "pc" -o "\$grub_platform" = "" ]; then

xen_rm_opts=

else

xen_rm_opts="no-real-mode edd=off"

multiboot ${rel_xen_dirname}/${xen_basename} placeholder ${xen_args} \${xen_rm_opts}

echo '$(echo "$lmessage" | grub_quote)'

module ${rel_dirname}/${basename} placeholder root=${linux_root_device_thisversion} ro ${args}

module ${rel_dirname}/${basename} placeholder ${root_device} ${args}

EOF

if test -n "${initrd}" ; then

# TRANSLATORS: ramdisk isn't identifier. Should be translated.

message="$(gettext_printf "Loading initial ramdisk ...")"

sed "s/^/$submenu_indentation/" << EOF

echo '$(echo "$message" | grub_quote)'

module --nounzip ${rel_dirname}/${initrd}

EOF

sed "s/^/$submenu_indentation/" << EOF

}

EOF

}

linux_list=`for i in /boot/vmlinu[xz]-* /vmlinu[xz]-* /boot/kernel-*; do

if grub_file_is_not_garbage "$i"; then

basename=$(basename $i)

version=$(echo $basename | sed -e "s,^[^0-9]*-,,g")

dirname=$(dirname $i)

config=

for j in "${dirname}/config-${version}" "${dirname}/config-${alt_version}" "/etc/kernels/kernel-config-${version}" ; do

if test -e "${j}" ; then

config="${j}"

break

done

if (grep -qx "CONFIG_XEN_DOM0=y" "${config}" 2> /dev/null || grep -qx "CONFIG_XEN_PRIVILEGED_GUEST=y" "${config}" 2> /dev/null); then echo -n "$i " ; fi

done`

if [ "x${linux_list}" = "x" ] ; then

exit 0

file_is_not_sym () {

case "$1" in

*/xen-syms-*)

return 1;;

return 0;;

esac

}

# bnc#757895 - Grub2 menu items incorrect when "Xen Virtual Machines Host Server" selected

# bnc#877040 - Duplicate entries for boot menu created

# wildcard expasion with correct suffix (.gz) for not generating many duplicated menu entries

# only create /boot/xen.gz symlink boot entry

xen_list=`for i in /boot/xen*.gz; do

if test -L /boot/xen.gz; then

xen_list=`readlink -f /boot/xen.gz`

else

# bnc#757895 - Grub2 menu items incorrect when "Xen Virtual Machines Host Server" selected

# wildcard expasion with correct suffix (.gz) for not generating many duplicated menu entries

xen_list=`for i in /boot/xen*.gz; do

if grub_file_is_not_garbage "$i" && file_is_not_sym "$i" ; then echo -n "$i " ; fi

done`

# bnc#774666 - Grub2 does not offer a Xen entry after installing hypervisor and tools

# This is a workaround to the install sequence of xen-kernel and xen is unpredictable

if [ "x${xen_list}" = "x" ]; then

# If the code reaches here, it means that xen-kernel has been installed, but xen hypervisor

# is missing. This is not likely a sane condition for dom0. We assume this is xen-kernel

# triggers config update prior to the xen package.

xen_list="/boot/xen.gz"

prepare_boot_cache=

boot_device_id=

title_correction_code=

machine=`uname -m`

case "$machine" in

i?86) GENKERNEL_ARCH="x86" ;;

mips|mips64) GENKERNEL_ARCH="mips" ;;

mipsel|mips64el) GENKERNEL_ARCH="mipsel" ;;

arm*) GENKERNEL_ARCH="arm" ;;

*) GENKERNEL_ARCH="$machine" ;;

esac

# Extra indentation to add to menu entries in a submenu. We're not in a submenu

# yet, so it's empty. In a submenu it will be equal to '\t' (one tab).

submenu_indentation=""

is_top_level=true

while [ "x${xen_list}" != "x" ] ; do

list="${linux_list}"

current_xen=`version_find_latest $xen_list`

xen_basename=`basename ${current_xen}`

xen_dirname=`dirname ${current_xen}`

rel_xen_dirname=`make_system_path_relative_to_its_root $xen_dirname`

xen_version=`echo $xen_basename | sed -e "s,.gz$,,g;s,^xen-,,g"`

xen_list=`echo $xen_list | tr ' ' '\n' | grep -vx $current_xen | tr '\n' ' '`

if $is_efi; then

xen_basename=${xen_basename/.gz/.efi}

if ! [ -f ${xen_dir}/${xen_basename} ]; then

echo "Skip missing hypervisor $xen_dir/$xen_basename" >&2

continue

elif [ -L ${xen_dir}/${xen_basename} ]; then

xen_target=$(basename $(readlink -e ${xen_dir}/${xen_basename}))

if [ -f ${efi_dir}/${xen_target} ]; then

echo "Skip duplicate $xen_dir/$xen_basename for $xen_target" >&2

continue

elif [ -n "$err_msg" ]; then

break

gettext_printf "Found hypervisor: %s\n" "$current_xen" >&2

section_count=0

if [ -z "$boot_device_id" ]; then

boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"

if [ "x$is_top_level" != xtrue ]; then

echo " submenu '$(gettext_printf "Xen hypervisor, version %s" "${xen_version}" | grub_quote)' \$menuentry_id_option 'xen-hypervisor-$xen_version-$boot_device_id' {"

while [ "x$list" != "x" ] ; do

linux=`version_find_latest $list`

gettext_printf "Found linux image: %s\n" "$linux" >&2

basename=`basename $linux`

dirname=`dirname $linux`

rel_dirname=`make_system_path_relative_to_its_root $dirname`

version=`echo $basename | sed -e "s,^[^0-9]*-,,g"`

alt_version=`echo $version | sed -e "s,\.old$,,g"`

linux_root_device_thisversion="${LINUX_ROOT_DEVICE}"

initrd=

for i in "initrd.img-${version}" "initrd-${version}.img" "initrd-${version}.gz" \

"initrd-${version}" "initramfs-${version}.img" \

"initrd.img-${alt_version}" "initrd-${alt_version}.img" \

"initrd-${alt_version}" "initramfs-${alt_version}.img" \

"initramfs-genkernel-${version}" \

"initramfs-genkernel-${alt_version}" \

"initramfs-genkernel-${GENKERNEL_ARCH}-${version}" \

"initramfs-genkernel-${GENKERNEL_ARCH}-${alt_version}" ; do

if test -e "${dirname}/${i}" ; then

initrd="$i"

break

done

if test -n "${initrd}" ; then

gettext_printf "Found initrd image: %s\n" "${dirname}/${initrd}" >&2

else

# "UUID=" magic is parsed by initrds. Since there's no initrd, it can't work here.

linux_root_device_thisversion=${GRUB_DEVICE}

if [ "x$is_top_level" = xtrue ] && [ "x${GRUB_DISABLE_SUBMENU}" != xy ]; then

linux_entry "${OS}" "${version}" "${xen_version}" simple \

"${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" "${GRUB_CMDLINE_XEN} ${GRUB_CMDLINE_XEN_DEFAULT}"

submenu_indentation="$grub_tab$grub_tab"

if [ -z "$boot_device_id" ]; then

boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"

# TRANSLATORS: %s is replaced with an OS name

echo "submenu '$(gettext_printf "Advanced options for %s (with Xen hypervisor)" "${OS}" | grub_quote)' \$menuentry_id_option 'gnulinux-advanced-$boot_device_id' {"

echo " submenu '$(gettext_printf "Xen hypervisor, version %s" "${xen_version}" | grub_quote)' \$menuentry_id_option 'xen-hypervisor-$xen_version-$boot_device_id' {"

is_top_level=false

linux_entry "${OS}" "${version}" "${xen_version}" advanced \

"${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" "${GRUB_CMDLINE_XEN} ${GRUB_CMDLINE_XEN_DEFAULT}"

if [ "x${GRUB_DISABLE_RECOVERY}" != "xtrue" ]; then

linux_entry "${OS}" "${version}" "${xen_version}" recovery \

"single ${GRUB_CMDLINE_LINUX}" "${GRUB_CMDLINE_XEN}"

list=`echo $list | tr ' ' '\n' | grep -vx $linux | tr '\n' ' '`

done

if [ x"$is_top_level" != xtrue ]; then

echo ' }'

xen_list=`echo $xen_list | tr ' ' '\n' | grep -vx $current_xen | tr '\n' ' '`

done

# If at least one kernel was found, then we need to

# add a closing '}' for the submenu command.

if [ x"$is_top_level" != xtrue ]; then

echo '}'

echo "$title_correction_code"

if [ -n "$err_msg" ]; then

echo -en "$err_msg" >&2

已保存差異

原始文本

開啟檔案

#! /bin/sh
set -e

# grub-mkconfig helper script.
# Copyright (C) 2006,2007,2008,2009,2010  Free Software Foundation, Inc.
#
# GRUB is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# GRUB is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GRUB.  If not, see <http://www.gnu.org/licenses/>.

prefix="/usr"
exec_prefix="/usr"
datarootdir="/usr/share"

. "${datarootdir}/grub2/grub-mkconfig_lib"

export TEXTDOMAIN=grub2
export TEXTDOMAINDIR="${datarootdir}/locale"

if [ ! -e /proc/xen/xsd_port -a -e /proc/xen ]; then
# we're running on xen domU guest
# prevent setting up nested virt on HVM or PV domU guest
    exit 0
fi

CLASS="--class gnu-linux --class gnu --class os --class xen"

if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
  OS=GNU/Linux
else
  OS="${GRUB_DISTRIBUTOR} GNU/Linux"
  CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr 'A-Z' 'a-z' | cut -d' ' -f1|LC_ALL=C sed 's,[^[:alnum:]_],_,g') ${CLASS}"
fi

# loop-AES arranges things so that /dev/loop/X can be our root device, but
# the initrds that Linux uses don't like that.
case ${GRUB_DEVICE} in
  /dev/loop/*|/dev/loop[0-9])
    GRUB_DEVICE=`losetup ${GRUB_DEVICE} | sed -e "s/^[^(]*($[^)]\+$).*/\1/"`
  ;;
esac

if [ "x${GRUB_DEVICE_UUID}" = "x" ] || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \
    || ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \
    || uses_abstraction "${GRUB_DEVICE}" lvm; then
  LINUX_ROOT_DEVICE=${GRUB_DEVICE}
else
  LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID}
fi

# Allow overriding GRUB_CMDLINE_LINUX and GRUB_CMDLINE_LINUX_DEFAULT.
if [ "${GRUB_CMDLINE_LINUX_XEN_REPLACE}" ]; then
  GRUB_CMDLINE_LINUX="${GRUB_CMDLINE_LINUX_XEN_REPLACE}"
fi
if [ "${GRUB_CMDLINE_LINUX_XEN_REPLACE_DEFAULT}" ]; then
  GRUB_CMDLINE_LINUX_DEFAULT="${GRUB_CMDLINE_LINUX_XEN_REPLACE_DEFAULT}"
fi

case x"$GRUB_FS" in
    xbtrfs)
        if [ "x${SUSE_BTRFS_SNAPSHOT_BOOTING}" = "xtrue" ]; then
        GRUB_CMDLINE_LINUX="${GRUB_CMDLINE_LINUX} \${extra_cmdline}"
        else
        rootsubvol="`make_system_path_relative_to_its_root /`"
        rootsubvol="${rootsubvol#/}"
        if [ "x${rootsubvol}" != x ]; then
            GRUB_CMDLINE_LINUX="rootflags=subvol=${rootsubvol} ${GRUB_CMDLINE_LINUX}"
        fi
        fi;;
    xzfs)
        rpool=`${grub_probe} --device ${GRUB_DEVICE} --target=fs_label 2>/dev/null || true`
        bootfs="`make_system_path_relative_to_its_root / | sed -e "s,@$,,"`"
        LINUX_ROOT_DEVICE="ZFS=${rpool}${bootfs}"
        ;;
esac

title_correction_code=

linux_entry ()
{
  os="$1"
  version="$2"
  xen_version="$3"
  type="$4"
  args="$5"
  xen_args="$6"
  if [ -z "$boot_device_id" ]; then
      boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
  fi
  if [ x$type != xsimple ] ; then
      if [ x$type = xrecovery ] ; then
          title="$(gettext_printf "%s, with Xen %s and Linux %s (recovery mode)" "${os}" "${xen_version}" "${version}")"
      else
          title="$(gettext_printf "%s, with Xen %s and Linux %s" "${os}" "${xen_version}" "${version}")"
      fi
      replacement_title="$(echo "Advanced options for ${OS}" | sed 's,>,>>,g')>$(echo "$title" | sed 's,>,>>,g')"
      if [ x"Xen ${xen_version}>$title" = x"$GRUB_ACTUAL_DEFAULT" ]; then
         quoted="$(echo "$GRUB_ACTUAL_DEFAULT" | grub_quote)"
         title_correction_code="${title_correction_code}if [ \"x\$default\" = '$quoted' ]; then default='$(echo "$replacement_title" | grub_quote)'; fi;"
         grub_warn "$(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")"
      fi
      echo "menuentry '$(echo "$title" | grub_quote)' ${CLASS} \$menuentry_id_option 'xen-gnulinux-$version-$type-$boot_device_id' {" | sed "s/^/$submenu_indentation/"
  else
      title="$(gettext_printf "%s, with Xen hypervisor" "${os}")"
      echo "menuentry '$(echo "$title" | grub_quote)' ${CLASS} \$menuentry_id_option 'xen-gnulinux-simple-$boot_device_id' {" | sed "s/^/$submenu_indentation/"
  fi
  if [ x$type != xrecovery ] ; then
      save_default_entry | grub_add_tab | sed "s/^/$submenu_indentation/"
  fi

if [ -z "${prepare_boot_cache}" ]; then
    prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | grub_add_tab)"
  fi
  printf '%s\n' "${prepare_boot_cache}" | sed "s/^/$submenu_indentation/"
  xmessage="$(gettext_printf "Loading Xen %s ..." ${xen_version})"
  lmessage="$(gettext_printf "Loading Linux %s ..." ${version})"
  sed "s/^/$submenu_indentation/" << EOF
        echo    '$(echo "$xmessage" | grub_quote)'
        if [ "\$grub_platform" = "pc" -o "\$grub_platform" = "" ]; then
            xen_rm_opts=
        else
            xen_rm_opts="no-real-mode edd=off"
        fi
        multiboot       ${rel_xen_dirname}/${xen_basename} placeholder ${xen_args} \${xen_rm_opts}
        echo    '$(echo "$lmessage" | grub_quote)'
        module  ${rel_dirname}/${basename} placeholder root=${linux_root_device_thisversion} ro ${args}
EOF
  if test -n "${initrd}" ; then
    # TRANSLATORS: ramdisk isn't identifier. Should be translated.
    message="$(gettext_printf "Loading initial ramdisk ...")"
    sed "s/^/$submenu_indentation/" << EOF
        echo    '$(echo "$message" | grub_quote)'
        module  --nounzip   ${rel_dirname}/${initrd}
EOF
  fi
  sed "s/^/$submenu_indentation/" << EOF
}
EOF
}

linux_list=`for i in /boot/vmlinu[xz]-* /vmlinu[xz]-* /boot/kernel-*; do
    if grub_file_is_not_garbage "$i"; then
        basename=$(basename $i)
        version=$(echo $basename | sed -e "s,^[^0-9]*-,,g")
        dirname=$(dirname $i)
        config=
        for j in "${dirname}/config-${version}" "${dirname}/config-${alt_version}" "/etc/kernels/kernel-config-${version}" ; do
            if test -e "${j}" ; then
                config="${j}"
                break
            fi
        done
        if (grep -qx "CONFIG_XEN_DOM0=y" "${config}" 2> /dev/null || grep -qx "CONFIG_XEN_PRIVILEGED_GUEST=y" "${config}" 2> /dev/null); then echo -n "$i " ; fi
    fi
    done`
if [ "x${linux_list}" = "x" ] ; then
    exit 0
fi

file_is_not_sym () {
    case "$1" in
        */xen-syms-*)
            return 1;;
        *)
            return 0;;
    esac
}

# bnc#757895 - Grub2 menu items incorrect when "Xen Virtual Machines Host Server" selected
# wildcard expasion with correct suffix (.gz) for not generating many duplicated menu entries
xen_list=`for i in /boot/xen*.gz; do
        if grub_file_is_not_garbage "$i" && file_is_not_sym "$i" ; then echo -n "$i " ; fi
      done`

# bnc#774666 - Grub2 does not offer a Xen entry after installing hypervisor and tools
# This is a workaround to the install sequence of xen-kernel and xen is unpredictable
if [ "x${xen_list}" = "x" ]; then
# If the code reaches here, it means that xen-kernel has been installed, but xen hypervisor
# is missing. This is not likely a sane condition for dom0. We assume this is xen-kernel
# triggers config update prior to the xen package.
    xen_list="/boot/xen.gz"
fi

prepare_boot_cache=
boot_device_id=

title_correction_code=

machine=`uname -m`

case "$machine" in
    i?86) GENKERNEL_ARCH="x86" ;;
    mips|mips64) GENKERNEL_ARCH="mips" ;;
    mipsel|mips64el) GENKERNEL_ARCH="mipsel" ;;
    arm*) GENKERNEL_ARCH="arm" ;;
    *) GENKERNEL_ARCH="$machine" ;;
esac

# Extra indentation to add to menu entries in a submenu. We're not in a submenu
# yet, so it's empty. In a submenu it will be equal to '\t' (one tab).
submenu_indentation=""

is_top_level=true

initrd=
        for i in "initrd.img-${version}" "initrd-${version}.img" "initrd-${version}.gz" \
           "initrd-${version}" "initramfs-${version}.img" \
           "initrd.img-${alt_version}" "initrd-${alt_version}.img" \
           "initrd-${alt_version}" "initramfs-${alt_version}.img" \
           "initramfs-genkernel-${version}" \
           "initramfs-genkernel-${alt_version}" \
           "initramfs-genkernel-${GENKERNEL_ARCH}-${version}" \
           "initramfs-genkernel-${GENKERNEL_ARCH}-${alt_version}" ; do
            if test -e "${dirname}/${i}" ; then
                initrd="$i"
                break
            fi
        done
        if test -n "${initrd}" ; then
            gettext_printf "Found initrd image: %s\n" "${dirname}/${initrd}" >&2
        else
    # "UUID=" magic is parsed by initrds.  Since there's no initrd, it can't work here.
            linux_root_device_thisversion=${GRUB_DEVICE}
        fi

if [ "x$is_top_level" = xtrue ] && [ "x${GRUB_DISABLE_SUBMENU}" != xy ]; then
            linux_entry "${OS}" "${version}" "${xen_version}" simple \
                "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" "${GRUB_CMDLINE_XEN} ${GRUB_CMDLINE_XEN_DEFAULT}"

submenu_indentation="$grub_tab$grub_tab"
    
            if [ -z "$boot_device_id" ]; then
                boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
            fi
            # TRANSLATORS: %s is replaced with an OS name
            echo "submenu '$(gettext_printf "Advanced options for %s (with Xen hypervisor)" "${OS}" | grub_quote)' \$menuentry_id_option 'gnulinux-advanced-$boot_device_id' {"
        echo "  submenu '$(gettext_printf "Xen hypervisor, version %s" "${xen_version}" | grub_quote)' \$menuentry_id_option 'xen-hypervisor-$xen_version-$boot_device_id' {"
           is_top_level=false
        fi

linux_entry "${OS}" "${version}" "${xen_version}" advanced \
            "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" "${GRUB_CMDLINE_XEN} ${GRUB_CMDLINE_XEN_DEFAULT}"
        if [ "x${GRUB_DISABLE_RECOVERY}" != "xtrue" ]; then
            linux_entry "${OS}" "${version}" "${xen_version}" recovery \
                "single ${GRUB_CMDLINE_LINUX}" "${GRUB_CMDLINE_XEN}"
        fi

list=`echo $list | tr ' ' '\n' | grep -vx $linux | tr '\n' ' '`
    done
    if [ x"$is_top_level" != xtrue ]; then
        echo '  }'
    fi
    xen_list=`echo $xen_list | tr ' ' '\n' | grep -vx $current_xen | tr '\n' ' '`
done

# If at least one kernel was found, then we need to
# add a closing '}' for the submenu command.
if [ x"$is_top_level" != xtrue ]; then
  echo '}'
fi

echo "$title_correction_code"

更改後文本

開啟檔案

#! /bin/sh
set -e

prefix="/usr"
exec_prefix="/usr"
datarootdir="/usr/share"

ME=$(basename $0)

. "${datarootdir}/grub2/grub-mkconfig_lib"

export TEXTDOMAIN=grub2
export TEXTDOMAINDIR="${datarootdir}/locale"

if [ ! -e /proc/xen/xsd_port -a -e /proc/xen ]; then
# we're running on xen domU guest
# prevent setting up nested virt on HVM or PV domU guest
    exit 0
fi

CLASS="--class gnu-linux --class gnu --class os --class xen"

if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
  OS=GNU/Linux
  os=linux
else
  OS="${GRUB_DISTRIBUTOR}"
  os="$(echo ${GRUB_DISTRIBUTOR} | tr 'A-Z' 'a-z' | cut -d' ' -f1)"
  CLASS="--class ${os} ${CLASS}"
fi

title_correction_code=

if [ -d /sys/firmware/efi ]; then
  is_efi=true
  err_msg=""
  efi_dir="/boot/efi/efi/${os}"
  grub_dir=/boot/grub2
  xen_dir=/usr/lib64/efi
  for d in $grub_dir $efi_dir $xen_dir; do
    [ ! -d "$d" ] || continue
    err_msg="${err_msg}$ME: Essential directory '$d' not found!\n"
  done
  if ! [ -d "$efi_dir" -a -d "$grub_dir" -a -d "$xen_dir" ]; then
    err_msg="${err_msg}$ME: XEN configuration skipped!\n"
  else
    rm -f  $grub_dir/xen*.cfg
    if [ -s $efi_dir/grub.xen-files ]; then
      for f in $(sort $efi_dir/grub.xen-files| uniq); do
        rm -f $efi_dir/$f
      done
      : > $efi_dir/grub.xen-files
    fi
  fi
else
  is_efi=false
fi

linux_entry ()
{
  os="$1"
  version="$2"
  xen_version="$3"
  type="$4"
  args="$5"
  xen_args="$6"
  if [ -n "${linux_root_device_thisversion}" ]; then
    root_device="root=${linux_root_device_thisversion}"
  else
    root_device=""
  fi
  if [ -z "$boot_device_id" ]; then
      boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
  fi
  if [ x$type != xsimple ] ; then
      if [ x$type = xrecovery ] ; then
          title="$(gettext_printf "%s, with Xen %s and Linux %s (recovery mode)" "${os}" "${xen_version}" "${version}")"
      else
          title="$(gettext_printf "%s, with Xen %s and Linux %s" "${os}" "${xen_version}" "${version}")"
      fi
      replacement_title="$(echo "Advanced options for ${OS}" | sed 's,>,>>,g')>$(echo "$title" | sed 's,>,>>,g')"
      if [ x"Xen ${xen_version}>$title" = x"$GRUB_ACTUAL_DEFAULT" ]; then
         quoted="$(echo "$GRUB_ACTUAL_DEFAULT" | grub_quote)"
         title_correction_code="${title_correction_code}if [ \"x\$default\" = '$quoted' ]; then default='$(echo "$replacement_title" | grub_quote)'; fi;"
         grub_warn "$(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")"
      fi
      echo "menuentry '$(echo "$title" | grub_quote)' ${CLASS} \$menuentry_id_option 'xen-gnulinux-$version-$type-$boot_device_id' {" | sed "s/^/$submenu_indentation/"
  else
      title="$(gettext_printf "%s, with Xen hypervisor" "${os}")"
      echo "menuentry '$(echo "$title" | grub_quote)' ${CLASS} \$menuentry_id_option 'xen-gnulinux-simple-$boot_device_id' {" | sed "s/^/$submenu_indentation/"
  fi
  if [ x$type != xrecovery ] ; then
      save_default_entry | grub_add_tab | sed "s/^/$submenu_indentation/"
  fi

if $is_efi; then
    xen_cfg=${xen_basename/.efi/.cfg}
    if [ "$section_count" = 0 ]; then
      cat <<-EOF > $grub_dir/$xen_cfg
        # disclaimer
        [global]
        #default=
        EOF
    fi
    section_count=$(expr $section_count + 1)
    if [ x$type != xrecovery ] ; then
      section="config.$section_count"
    else
      section="failsafe.$section_count"
    fi
    cat <<-EOF >> $grub_dir/$xen_cfg

[$section]
        options=${xen_args}
        kernel=${basename} root=${linux_root_device_thisversion} ${args}
        ramdisk=${initrd}
        EOF
    message="$(gettext_printf "Loading Xen %s with Linux %s ..." ${xen_version} ${version})"
    sed "s/^/$submenu_indentation/" <<-EOF
                echo    '$(echo "$message" | grub_quote)'
                chainloader  \$cmdpath/${xen_basename} ${xen_basename} $section
        }
        EOF
    for f in ${grub_dir}/$xen_cfg ${xen_dir}/${xen_basename} ${rel_dirname}/${basename} ${rel_dirname}/${initrd}; do
      cp --preserve=timestamps $f $efi_dir
      echo $(basename $f) >> $efi_dir/grub.xen-files
    done
    return
  fi
  if [ -z "${prepare_boot_cache}" ]; then
    prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | grub_add_tab)"
  fi
  printf '%s\n' "${prepare_boot_cache}" | sed "s/^/$submenu_indentation/"
  xmessage="$(gettext_printf "Loading Xen %s ..." ${xen_version})"
  lmessage="$(gettext_printf "Loading Linux %s ..." ${version})"
  sed "s/^/$submenu_indentation/" << EOF
        echo    '$(echo "$xmessage" | grub_quote)'
        if [ "\$grub_platform" = "pc" -o "\$grub_platform" = "" ]; then
            xen_rm_opts=
        else
            xen_rm_opts="no-real-mode edd=off"
        fi
        multiboot       ${rel_xen_dirname}/${xen_basename} placeholder ${xen_args} \${xen_rm_opts}
        echo    '$(echo "$lmessage" | grub_quote)'
        module  ${rel_dirname}/${basename} placeholder ${root_device} ${args}
EOF
  if test -n "${initrd}" ; then
    # TRANSLATORS: ramdisk isn't identifier. Should be translated.
    message="$(gettext_printf "Loading initial ramdisk ...")"
    sed "s/^/$submenu_indentation/" << EOF
        echo    '$(echo "$message" | grub_quote)'
        module  --nounzip   ${rel_dirname}/${initrd}
EOF
  fi
  sed "s/^/$submenu_indentation/" << EOF
}
EOF
}

file_is_not_sym () {
    case "$1" in
        */xen-syms-*)
            return 1;;
        *)
            return 0;;
    esac
}

# bnc#877040 - Duplicate entries for boot menu created
# only create /boot/xen.gz symlink boot entry
if test -L /boot/xen.gz; then
    xen_list=`readlink -f /boot/xen.gz`
else
    # bnc#757895 - Grub2 menu items incorrect when "Xen Virtual Machines Host Server" selected
    # wildcard expasion with correct suffix (.gz) for not generating many duplicated menu entries
    xen_list=`for i in /boot/xen*.gz; do
        if grub_file_is_not_garbage "$i" && file_is_not_sym "$i" ; then echo -n "$i " ; fi
        done`
fi

prepare_boot_cache=
boot_device_id=

title_correction_code=

machine=`uname -m`

# Extra indentation to add to menu entries in a submenu. We're not in a submenu
# yet, so it's empty. In a submenu it will be equal to '\t' (one tab).
submenu_indentation=""

is_top_level=true

while [ "x${xen_list}" != "x" ] ; do
    list="${linux_list}"
    current_xen=`version_find_latest $xen_list`
    xen_basename=`basename ${current_xen}`
    xen_dirname=`dirname ${current_xen}`
    rel_xen_dirname=`make_system_path_relative_to_its_root $xen_dirname`
    xen_version=`echo $xen_basename | sed -e "s,.gz$,,g;s,^xen-,,g"`
    xen_list=`echo $xen_list | tr ' ' '\n' | grep -vx $current_xen | tr '\n' ' '`
    if $is_efi; then
      xen_basename=${xen_basename/.gz/.efi}
      if ! [ -f ${xen_dir}/${xen_basename} ]; then
        echo "Skip missing hypervisor $xen_dir/$xen_basename" >&2
        continue
      elif [ -L ${xen_dir}/${xen_basename} ]; then
        xen_target=$(basename $(readlink -e ${xen_dir}/${xen_basename}))
        if [ -f ${efi_dir}/${xen_target} ]; then
          echo "Skip duplicate $xen_dir/$xen_basename for $xen_target" >&2
          continue
        fi
      elif [ -n "$err_msg" ]; then
        break
      fi
      gettext_printf "Found hypervisor: %s\n" "$current_xen" >&2
      section_count=0
    fi
    if [ -z "$boot_device_id" ]; then
        boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
    fi
    if [ "x$is_top_level" != xtrue ]; then
        echo "  submenu '$(gettext_printf "Xen hypervisor, version %s" "${xen_version}" | grub_quote)' \$menuentry_id_option 'xen-hypervisor-$xen_version-$boot_device_id' {"
    fi
    while [ "x$list" != "x" ] ; do
        linux=`version_find_latest $list`
        gettext_printf "Found linux image: %s\n" "$linux" >&2
        basename=`basename $linux`
        dirname=`dirname $linux`
        rel_dirname=`make_system_path_relative_to_its_root $dirname`
        version=`echo $basename | sed -e "s,^[^0-9]*-,,g"`
        alt_version=`echo $version | sed -e "s,\.old$,,g"`
        linux_root_device_thisversion="${LINUX_ROOT_DEVICE}"

list=`echo $list | tr ' ' '\n' | grep -vx $linux | tr '\n' ' '`
    done
    if [ x"$is_top_level" != xtrue ]; then
        echo '  }'
    fi
done

# If at least one kernel was found, then we need to
# add a closing '}' for the submenu command.
if [ x"$is_top_level" != xtrue ]; then
  echo '}'
fi

echo "$title_correction_code"

if [ -n "$err_msg" ]; then
  echo -en "$err_msg" >&2
fi