#!/bin/sh
set -eu
export LC_ALL=C.UTF-8
export SOURCE_DATE_EPOCH={{ SOURCE_DATE_EPOCH }}

[ {{ MODE }} = "unshare" ]

trap "rm -f /tmp/debian-chroot.tar" EXIT INT TERM

prefix=
if [ "$(id -u)" -eq 0 ] && [ "{{ MODE }}" != "root" ] && [ "{{ MODE }}" != "auto" ]; then
	if ! id "${SUDO_USER:-user}" >/dev/null 2>&1; then
		if [ ! -e /mmdebstrap-testenv ]; then
			echo "this test modifies the system and should only be run inside a container" >&2
			exit 1
		fi
		useradd --home-dir "/home/${SUDO_USER:-user}" --create-home "${SUDO_USER:-user}"
	fi
	prefix="runuser -u ${SUDO_USER:-user} --"
fi

$prefix {{ CMD }} --mode={{ MODE }} --variant=custom \
	--skip=update,setup,cleanup,tar-in/mknod \
	--setup-hook='tar-in ./cache/mmdebstrap-{{ DIST }}-apt.tar /' \
	'' /tmp/debian-chroot.tar

cmp ./cache/mmdebstrap-{{ DIST }}-apt.tar /tmp/debian-chroot.tar \
	|| diffoscope ./cache/mmdebstrap-{{ DIST }}-apt.tar /tmp/debian-chroot.tar