mmdebstrap/tests/custom-tmpdir

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#!/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
adduser --gecos user --disabled-password user
sysctl -w kernel.unprivileged_userns_clone=1
homedir=$(runuser -u user -- sh -c 'cd && pwd')
runuser -u user -- mkdir "$homedir/tmp"
runuser -u user -- env TMPDIR="$homedir/tmp" {{ CMD }} --mode=unshare --variant=apt \
--setup-hook='case "$1" in "'"$homedir/tmp/mmdebstrap."'"??????????) exit 0;; *) exit 1;; esac' \
{{ DIST }} /tmp/debian-chroot.tar {{ MIRROR }}
tar -tf /tmp/debian-chroot.tar | sort | diff -u tar1.txt -
# use rmdir as a quick check that nothing is remaining in TMPDIR
runuser -u user -- rmdir "$homedir/tmp"
rm /tmp/debian-chroot.tar