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#!/usr/bin/env bash
# -*- coding: utf-8 -*-
type emergency_shell >/dev/null 2>&1 || source /lib/dracut-lib.sh
# Needed to be able to go back to dracut at system shutdown.
temporary_directory_path="$(mktemp --directory)"
mount --options bind / "$temporary_directory_path"
cp --recursive --no-target-directory "$temporary_directory_path" /run/initramfs
umount "$temporary_directory_path"
rm --dir "$temporary_directory_path"
# Dracut may not be installed on the new root. Thus copy all services over.
dracut_mount_unit_path="$(systemctl show -p FragmentPath dracut-mount.service \
| cut -c 14-)"
systemd_system_unit_path="${dracut_mount_unit_path%/*}"
new_systemd_system_unit_path="${NEWROOT}/lib/systemd/system"
mkdir --parents "$new_systemd_system_unit_path/initrd.target.wants"
for file in \
dracut-cmdline.service \
dracut-initqueue.service \
dracut-mount.service \
dracut-pre-mount.service \
dracut-pre-pivot.service \
dracut-pre-trigger.service \
dracut-pre-udev.service
do
cp "${systemd_system_unit_path}/${file}" \
"${new_systemd_system_unit_path}/${file}"
# "ln" returns an error if the link already exists.
source_path="../${file}"
target_path="${new_systemd_system_unit_path}/initrd.target.wants/${file}"
ln --symbolic "$source_path" "$targetPath" &>/dev/null || \
warn "Failed to link \"$source_path\" to \"$target_path\"."
done
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