#!/bin/sh
set -eu
export LC_ALL=C.UTF-8
if [ "$(id -u)" -eq 0 ] && ! id -u user > /dev/null 2>&1; then
	if [ ! -e /mmdebstrap-testenv ]; then
		echo "this test modifies the system and should only be run inside a container" >&2
		exit 1
	fi
	adduser --gecos user --disabled-password user
fi
if [ "{{ MODE }}" = unshare ]; then
	if [ ! -e /mmdebstrap-testenv ]; then
		echo "this test modifies the system and should only be run inside a container" >&2
		exit 1
	fi
	sysctl -w kernel.unprivileged_userns_clone=1
fi
prefix=
[ "$(id -u)" -eq 0 ] && [ "{{ MODE }}" != "root" ] && prefix="runuser -u user --"
[ "{{ MODE }}" = "fakechroot" ] && prefix="$prefix fakechroot fakeroot"
$prefix {{ CMD }} --mode={{ MODE }} --variant=extract --include=doc-debian {{ DIST }} /tmp/debian-chroot {{ MIRROR }}
# delete contents of doc-debian
rm /tmp/debian-chroot/usr/share/doc-base/debian-*
rm -r /tmp/debian-chroot/usr/share/doc/debian
rm -r /tmp/debian-chroot/usr/share/doc/doc-debian
# delete real files
rm /tmp/debian-chroot/etc/apt/sources.list
rm /tmp/debian-chroot/etc/fstab
rm /tmp/debian-chroot/etc/hostname
rm /tmp/debian-chroot/etc/resolv.conf
rm /tmp/debian-chroot/var/lib/dpkg/status
rm /tmp/debian-chroot/var/lib/dpkg/arch
rm /tmp/debian-chroot/var/cache/apt/archives/lock
rm /tmp/debian-chroot/var/lib/apt/lists/lock
## delete merged usr symlinks
#rm /tmp/debian-chroot/libx32
#rm /tmp/debian-chroot/lib64
#rm /tmp/debian-chroot/lib32
#rm /tmp/debian-chroot/sbin
#rm /tmp/debian-chroot/bin
#rm /tmp/debian-chroot/lib
# delete ./dev (files might exist or not depending on the mode)
rm -f /tmp/debian-chroot/dev/console
rm -f /tmp/debian-chroot/dev/fd
rm -f /tmp/debian-chroot/dev/full
rm -f /tmp/debian-chroot/dev/null
rm -f /tmp/debian-chroot/dev/ptmx
rm -f /tmp/debian-chroot/dev/random
rm -f /tmp/debian-chroot/dev/stderr
rm -f /tmp/debian-chroot/dev/stdin
rm -f /tmp/debian-chroot/dev/stdout
rm -f /tmp/debian-chroot/dev/tty
rm -f /tmp/debian-chroot/dev/urandom
rm -f /tmp/debian-chroot/dev/zero
# the rest should be empty directories that we can rmdir recursively
find /tmp/debian-chroot -depth -print0 | xargs -0 rmdir