#!/bin/sh set -eu export LC_ALL=C.UTF-8 export SOURCE_DATE_EPOCH={{ SOURCE_DATE_EPOCH }} 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 adduser --gecos user --disabled-password user runuser -u user -- {{ CMD }} --variant=custom --mode=unshare --setup-hook='env container=lxc debootstrap unstable "$1" {{ MIRROR }}' - /tmp/debian-mm.tar {{ MIRROR }} mkdir /tmp/debian-mm tar --xattrs --xattrs-include='*' -C /tmp/debian-mm -xf /tmp/debian-mm.tar mkdir /tmp/debian-debootstrap tar --xattrs --xattrs-include='*' -C /tmp/debian-debootstrap -xf "cache/debian-unstable--.tar" # diff cannot compare device nodes, so we use tar to do that for us and then # delete the directory tar -C /tmp/debian-debootstrap -cf dev1.tar ./dev tar -C /tmp/debian-mm -cf dev2.tar ./dev cmp dev1.tar dev2.tar rm dev1.tar dev2.tar rm -r /tmp/debian-debootstrap/dev /tmp/debian-mm/dev # remove downloaded deb packages rm /tmp/debian-debootstrap/var/cache/apt/archives/*.deb # remove aux-cache rm /tmp/debian-debootstrap/var/cache/ldconfig/aux-cache # remove logs rm /tmp/debian-debootstrap/var/log/dpkg.log \ /tmp/debian-debootstrap/var/log/bootstrap.log \ /tmp/debian-debootstrap/var/log/alternatives.log \ /tmp/debian-mm/var/log/bootstrap.log # debootstrap doesn't clean apt rm /tmp/debian-debootstrap/var/lib/apt/lists/127.0.0.1_debian_dists_unstable_main_binary-{{ HOSTARCH }}_Packages \ /tmp/debian-debootstrap/var/lib/apt/lists/127.0.0.1_debian_dists_unstable_Release \ /tmp/debian-debootstrap/var/lib/apt/lists/127.0.0.1_debian_dists_unstable_Release.gpg rm /tmp/debian-debootstrap/etc/machine-id /tmp/debian-mm/etc/machine-id rm /tmp/debian-mm/var/cache/apt/archives/lock rm /tmp/debian-mm/var/lib/apt/lists/lock # check if the file content differs diff --no-dereference --recursive /tmp/debian-debootstrap /tmp/debian-mm # check permissions, ownership, symlink targets, modification times using tar # mtimes of directories created by mmdebstrap will differ, thus we equalize them first for d in etc/apt/preferences.d/ etc/apt/sources.list.d/ etc/dpkg/dpkg.cfg.d/ var/log/apt/; do touch --date="@{{ SOURCE_DATE_EPOCH }}" /tmp/debian-debootstrap/$d /tmp/debian-mm/$d done # debootstrap never ran apt -- fixing permissions for d in ./var/lib/apt/lists/partial ./var/cache/apt/archives/partial; do chroot /tmp/debian-debootstrap chmod 0700 $d chroot /tmp/debian-debootstrap chown _apt:root $d done tar -C /tmp/debian-debootstrap --numeric-owner --xattrs --xattrs-include='*' --sort=name --clamp-mtime --mtime=$(date --utc --date=@{{ SOURCE_DATE_EPOCH }} --iso-8601=seconds) -cf /tmp/root1.tar . tar -C /tmp/debian-mm --numeric-owner --xattrs --xattrs-include='*' --sort=name --clamp-mtime --mtime=$(date --utc --date=@{{ SOURCE_DATE_EPOCH }} --iso-8601=seconds) -cf /tmp/root2.tar . tar --full-time --verbose -tf /tmp/root1.tar > /tmp/root1.tar.list tar --full-time --verbose -tf /tmp/root2.tar > /tmp/root2.tar.list # despite SOURCE_DATE_EPOCH and --clamp-mtime, the timestamps in the tarball # will slightly differ from each other in the sub-second precision (last # decimals) so the tarballs will not be identical, so we use diff to compare # content and tar to compare attributes diff -u /tmp/root1.tar.list /tmp/root2.tar.list rm /tmp/root1.tar /tmp/root2.tar /tmp/root1.tar.list /tmp/root2.tar.list rm /tmp/debian-mm.tar rm -r /tmp/debian-debootstrap /tmp/debian-mm