bootstrap-vz/bootstrapvz/providers/ec2/assets/grub.d/40_custom

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#!/bin/sh
# This file was created by bootstrap-vz.
# See https://github.com/andsens/bootstrap-vz/blob/master/LICENSE for
# legal notices and disclaimers.
# This file generates the old menu.lst configuration with grub2
# It was copied from tomheadys github repo:
# https://github.com/tomheady/ec2debian/blob/master/src/root/etc/grub.d/40_custom
prefix=/usr
exec_prefix=${prefix}
bindir=${exec_prefix}/bin
libdir=${exec_prefix}/lib
. ${libdir}/grub/grub-mkconfig_lib
export TEXTDOMAIN=grub
export TEXTDOMAINDIR=${prefix}/share/locale
GRUB_DEVICE=/dev/xvda
cat << EOF
default ${GRUB_DEFAULT}
timeout ${GRUB_TIMEOUT}
EOF
if ${GRUB_HIDDEN_TIMEOUT:-false}; then
printf "hiddenmenu\n"
fi
linux_entry ()
{
os="$1"
version="$2"
args="$3"
title="$(gettext_quoted "%s, with Linux %s")"
cat << EOF
title ${version}
root (hd0)
kernel ${rel_dirname}/${basename} root=${GRUB_DEVICE} ro ${args}
initrd ${rel_dirname}/${initrd}
EOF
}
list=`for i in /boot/vmlinuz-* /boot/vmlinux-* /vmlinuz-* /vmlinux-* ; do
if grub_file_is_not_garbage "$i" ; then echo -n "$i " ; fi
done`
prepare_boot_cache=
while [ "x$list" != "x" ] ; do
linux=`version_find_latest $list`
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}" "initramfs-${version}.img" \
"initrd.img-${alt_version}" "initrd-${alt_version}.img" \
"initrd-${alt_version}" "initramfs-${alt_version}.img"; do
if test -e "${dirname}/${i}" ; then
initrd="$i"
break
fi
done
initramfs=
for i in "config-${version}" "config-${alt_version}"; do
if test -e "${dirname}/${i}" ; then
initramfs=`grep CONFIG_INITRAMFS_SOURCE= "${dirname}/${i}" | cut -f2 -d= | tr -d \"`
break
fi
done
linux_entry "${OS}" "${version}" \
"${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
list=`echo $list | tr ' ' '\n' | grep -vx $linux | tr '\n' ' '`
done