void-packages/srcpkgs/u-boot-menu/files/kernel.d/extlinux

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#!/bin/sh
header() {
echo "TIMEOUT ${TIMEOUT}" > ${OUTFILE}
echo "DEFAULT entry0" >> ${OUTFILE}
echo "MENU TITLE Boot menu" >> ${OUTFILE}
}
get_bootpath() {
echo ${1} | sed "s#${BOOTPART}/#/#"
}
add_kernel() {
ver=${1}
kernel=$(get_bootpath "/boot/vmlinux-${ver}")
initrd=$(get_bootpath "/boot/initramfs-${ver}.img")
fdt=$(get_bootpath "/boot/dtbs/dtbs-${ver}/${DTBPATH}")
cmdline="${CMDLINE}"
echo "LABEL entry${ENTRY}" >> ${OUTFILE}
echo "\tMENU LABEL Void Linux Version ${ver}" >> ${OUTFILE}
echo "\tLINUX ${kernel}" >> ${OUTFILE}
if [ -e "${BOOTPART}/${initrd}" ]; then
echo "\tINITRD ${initrd}" >> ${OUTFILE}
fi
if [ -n "${DTBPATH}" ] && [ -e "${BOOTPART}/${fdt}" ]; then
echo "\tFDT ${fdt}" >> ${OUTFILE}
fi
if [ -n "${cmdline}" ]; then
echo "\tAPPEND ${cmdline}" >> ${OUTFILE}
fi
ENTRY=$(expr ${ENTRY} + 1)
}
main() {
if [ ! -d /boot/extlinux ]; then
rm ${OUTFILE}
exit 0
fi
if [ -e ${CONF} ]; then
. ${CONF}
fi
if [ -z "${CMDLINE}" ]; then
CMDLINE=$(cat /proc/cmdline)
fi
header
for kernel in $(ls /boot/vmlinu[xz]-* | sort -rV); do
ver=$(echo ${kernel} | sed "s#/boot/vmlinu[xz]-\(.*\)#\\1#")
echo "Add kernel ${ver}"
add_kernel ${ver}
done
mv ${OUTFILE} /boot/extlinux/extlinux.conf
}
CONF=/etc/default/extlinux
OUTFILE=$(mktemp)
BOOTPART=$(df -P /boot | tail -1 | awk '{ print $6 }')
ENTRY=0
main