mmdebstrap/tests/root-without-cap-sys-admin

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#!/bin/sh
set -eu
export LC_ALL=C.UTF-8
[ "$(whoami)" = "root" ]
if grep --null-data --quiet --no-messages '^container=lxc$' /proc/1/environ; then
# see https://stackoverflow.com/questions/65748254/
echo "cannot run under lxc -- Skipping test..." >&2
exit 0
fi
capsh --drop=cap_sys_admin -- -c 'exec "$@"' exec \
{{ CMD }} --mode=root --variant=apt \
--customize-hook='chroot "$1" sh -c "test ! -e /proc/self/fd"' \
{{ DIST }} /tmp/debian-chroot.tar {{ MIRROR }}
tar -tf /tmp/debian-chroot.tar | sort | diff -u tar1.txt -
rm /tmp/debian-chroot.tar