#!/bin/sh
#
# Same as root-mode-inside-chroot but this time we run mmdebstrap in root mode
# from inside an unshare chroot.

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
[ "$(whoami)" = "root" ]
useradd --home-dir /home/user --create-home user
sysctl -w kernel.unprivileged_userns_clone=1
cat << 'SCRIPT' > script.sh
#!/bin/sh
set -eu
rootfs="$1"
mkdir -p "$rootfs/mnt"
[ -e /usr/bin/mmdebstrap ] && cp -aT /usr/bin/mmdebstrap "$rootfs/usr/bin/mmdebstrap"
[ -e ./mmdebstrap ] && cp -aT ./mmdebstrap "$rootfs/mnt/mmdebstrap"
chroot "$rootfs" env --chdir=/mnt \
	{{ CMD }} --mode=root --variant=apt \
	{{ DIST }} /tmp/debian-chroot.tar {{ MIRROR }}
SCRIPT
chmod +x script.sh
runuser -u user -- {{ CMD }} --mode=unshare --variant=apt --include=perl,mount \
	--customize-hook=./script.sh \
	--customize-hook="download /tmp/debian-chroot.tar /tmp/debian-chroot.tar" \
	{{ DIST }} /dev/null {{ MIRROR }}
tar -tf /tmp/debian-chroot.tar | sort | diff -u tar1.txt -
rm /tmp/debian-chroot.tar script.sh