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#!/bin/sh
set -u
main()
{
local boot=
[ "x$(id -u)" = 'x0' ] || error 'Must be run as the superuser'
if [ ${#} -ne 1 ]; then
usage >&2
exit 1
fi
boot="${1}"
[ -e "${boot}" ] || error 'Boot device not found'
[ -e /etc/lilo.conf.in ] || \
error '/etc/lilo.conf: No such file or directory'
[ -e /etc/lilo.conf ] && error '/etc/lilo.conf exists'
sed "s|@BOOT@|${boot}|g" /etc/lilo.conf.in >/etc/lilo.conf
/sbin/lilo
rm /etc/lilo.conf
}
usage()
{
printf 'Usage: install-lilo <boot>\n'
}
error()
{
local fmt="${1}"
shift 1
printf "install-lilo: Error: ${fmt}\n" "${@}"
exit 2
}
main "${@}"
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