#!/bin/sh
set -eu
export LC_ALL=C.UTF-8
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/user --create-home user
sysctl -w kernel.unprivileged_userns_clone=1
export SOURCE_DATE_EPOCH={{ SOURCE_DATE_EPOCH }}

filter() {
	./tarfilter \
		--path-exclude=/usr/bin/uncompress \
		--path-exclude=/var/cache/debconf/config.dat-old \
		--path-exclude=/var/cache/debconf/templates.dat-old \
		--path-exclude=/var/lib/dpkg/available \
		--path-exclude=/var/lib/dpkg/cmethopt \
		--path-exclude=/var/lib/dpkg/status-old \
		--path-exclude=/var/lib/shells.state
}

# base for comparison without jessie-or-older hook
{{ CMD }} --mode=root --variant={{ VARIANT }} {{ DIST }} - {{ MIRROR }} | filter > /tmp/debian-chroot-root-normal.tar

# root
{{ CMD }} --mode=root --variant={{ VARIANT }} --hook-dir=./hooks/jessie-or-older {{ DIST }} - {{ MIRROR }} | filter > /tmp/debian-chroot-root.tar
cmp /tmp/debian-chroot-root-normal.tar /tmp/debian-chroot-root.tar
rm /tmp/debian-chroot-root.tar
# unshare
runuser -u user -- {{ CMD }} --mode=unshare --variant={{ VARIANT }} --hook-dir=./hooks/jessie-or-older {{ DIST }} - {{ MIRROR }} | filter > /tmp/debian-chroot-unshare.tar
cmp /tmp/debian-chroot-root-normal.tar /tmp/debian-chroot-unshare.tar
rm /tmp/debian-chroot-unshare.tar
# fakechroot
runuser -u user -- {{ CMD }} --mode=fakechroot --variant={{ VARIANT }} --hook-dir=./hooks/jessie-or-older {{ DIST }} - {{ MIRROR }} | filter > /tmp/debian-chroot-fakechroot.tar
cmp /tmp/debian-chroot-root-normal.tar /tmp/debian-chroot-fakechroot.tar
rm /tmp/debian-chroot-fakechroot.tar

rm /tmp/debian-chroot-root-normal.tar