mmdebstrap/tests/create-gzip-compressed-tarball

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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
useradd --home-dir /home/user --create-home user
sysctl -w kernel.unprivileged_userns_clone=1
runuser -u user -- {{ CMD }} --mode=unshare --variant=apt {{ DIST }} /tmp/debian-chroot.tar.gz {{ MIRROR }}
printf '\037\213\010' | cmp --bytes=3 /tmp/debian-chroot.tar.gz -
tar -tf /tmp/debian-chroot.tar.gz | sort | diff -u tar1.txt -
rm /tmp/debian-chroot.tar.gz