#!/bin/bash
set -e

# Find the --sysroot argument
sysroot=
next_arg=false
for arg; do
	if ${next_arg}; then
		next_arg=false
		sysroot="${arg}"
		continue  # not break, in case there are more than one
	fi
	case "${arg}" in
	(--sysroot|-r)
		next_arg=true
		continue
		;;
	(--sysroot=*)
		sysroot="${arg#*=}"
		continue  # not break, in case there are more than one
		;;
	(-r?*)
		sysroot="${arg#-r}"
		continue  # not break, in case there are more than one
		;;
	esac
done
if [ -z "${sysroot}" ]; then
	echo "${0}: --sysroot argument must be given." 1>&2
	exit 1
fi

topdir="$(dirname "$(realpath "$(dirname "${0}")")")"
export DRACUT_LDD="${topdir}/sbin/prelink-rtld --root='${sysroot}'"
export DRACUT_INSTALL="${topdir}/lib/dracut/dracut-install"
export DRACUT_LDCONFIG=/bin/true
export dracutbasedir="${topdir}/lib/dracut"
exec "${topdir}/bin/dracut.real" "${@}"