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/etc/grub.d/10_linux
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#! /bin/sh -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=${prefix} | |
bindir=${exec_prefix}/bin | |
libdir=${exec_prefix}/lib | |
. ${libdir}/grub/grub-mkconfig_lib | |
export TEXTDOMAIN=grub | |
export TEXTDOMAINDIR=@LOCALEDIR@ | |
CLASS="--class gnu-linux --class gnu --class os" | |
if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then | |
OS=GNU/Linux | |
else | |
OS="${GRUB_DISTRIBUTOR}" | |
CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr '[A-Z]' '[a-z]' | cut -d' ' -f1) ${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/"` | |
# We can't cope with devices loop-mounted from files here. | |
case ${GRUB_DEVICE} in | |
/dev/*) ;; | |
*) exit 0 ;; | |
esac | |
;; | |
esac | |
if [ "x${GRUB_DEVICE_UUID}" = "x" ] || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \ | |
|| ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \ | |
|| [ "`grub-probe -t abstraction --device ${GRUB_DEVICE} | sed -e 's,.*\(lvm\).*,\1,'`" = "lvm" ] ; then | |
LINUX_ROOT_DEVICE=${GRUB_DEVICE} | |
else | |
LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID} | |
fi | |
# add crashkernel option if we have the required tools | |
if [ -x "/usr/bin/makedumpfile" ] && [ -x "/sbin/kexec" ]; then | |
GRUB_CMDLINE_EXTRA="$GRUB_CMDLINE_EXTRA crashkernel=384M-2G:64M,2G-:128M" | |
fi | |
linux_entry () | |
{ | |
os="$1" | |
version="$2" | |
recovery="$3" | |
args="$4" | |
if ${recovery} ; then | |
title="$(gettext_quoted "%s, with Linux %s (recovery mode)")" | |
else | |
title="$(gettext_quoted "%s, with Linux %s")" | |
fi | |
printf "menuentry '${title}' ${CLASS} {\n" "${os}" "${version}" | |
cat << EOF | |
recordfail | |
EOF | |
save_default_entry | sed -e "s/^/\t/" | |
if [ "x$GRUB_GFXPAYLOAD_LINUX" != x ]; then | |
cat << EOF | |
set gfxpayload=$GRUB_GFXPAYLOAD_LINUX | |
EOF | |
fi | |
if [ -z "${prepare_boot_cache}" ]; then | |
prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | sed -e "s/^/\t/")" | |
fi | |
printf '%s\n' "${prepare_boot_cache}" | |
if [ "x$5" != "xquiet" ]; then | |
cat << EOF | |
echo '$(printf "$(gettext_quoted "Loading Linux %s ...")" ${version})' | |
EOF | |
fi | |
cat << EOF | |
linux ${rel_dirname}/${basename} root=${linux_root_device_thisversion} ro ${args} | |
EOF | |
if [ "x$5" != "xquiet" ]; then | |
cat << EOF | |
echo '$(gettext_quoted "Loading initial ramdisk ...")' | |
EOF | |
fi | |
if test -n "${initrd}" ; then | |
cat << EOF | |
initrd ${rel_dirname}/${initrd} | |
EOF | |
fi | |
cat << EOF | |
} | |
EOF | |
} | |
blacklisted_kernel() { | |
local r="" | |
case "${1}" in | |
*-ec2) r="linux-ec2";; # LP: #671097 | |
esac | |
[ -n "${r}" ] && { echo "Skipping linux image [$r]: ${1}" >&2; return 0; } | |
return 1; | |
} | |
list=`for i in /boot/vmlinu[xz]-* /vmlinu[xz]-* ; do | |
if grub_file_is_not_garbage "$i" && | |
! blacklisted_kernel "$i"; then | |
echo -n "$i "; | |
fi | |
done` | |
prepare_boot_cache= | |
while [ "x$list" != "x" ] ; do | |
linux=`version_find_latest $list` | |
echo "Found linux image: $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}" "initrd.img-${alt_version}" \ | |
"initrd-${alt_version}.img" "initrd-${alt_version}"; do | |
if test -e "${dirname}/${i}" ; then | |
initrd="$i" | |
break | |
fi | |
done | |
if test -n "${initrd}" ; then | |
echo "Found initrd image: ${dirname}/${initrd}" >&2 | |
else | |
# "UUID=" magic is parsed by initrds. Since there's no initrd, it can't work here. | |
linux_root_device_thisversion=${GRUB_DEVICE} | |
fi | |
linux_entry "${OS}" "${version}" false \ | |
"${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_EXTRA} ${GRUB_CMDLINE_LINUX_DEFAULT}" \ | |
quiet | |
if [ "x${GRUB_DISABLE_LINUX_RECOVERY}" != "xtrue" ]; then | |
linux_entry "${OS}" "${version}" true \ | |
"single ${GRUB_CMDLINE_LINUX}" | |
fi | |
list=`echo $list | tr ' ' '\n' | grep -vx $linux | tr '\n' ' '` | |
done |
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