diff options
Diffstat (limited to 'tests/check-against-debootstrap-dist')
| -rw-r--r-- | tests/check-against-debootstrap-dist | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/tests/check-against-debootstrap-dist b/tests/check-against-debootstrap-dist new file mode 100644 index 0000000..b5706c6 --- /dev/null +++ b/tests/check-against-debootstrap-dist @@ -0,0 +1,228 @@ +#!/bin/sh +set -eu +export LC_ALL=C.UTF-8 +export SOURCE_DATE_EPOCH={{ SOURCE_DATE_EPOCH }} + +echo "SOURCE_DATE_EPOCH=$SOURCE_DATE_EPOCH" + +# we create the apt user ourselves or otherwise its uid/gid will differ +# compared to the one chosen in debootstrap because of different installation +# order in comparison to the systemd users +# https://bugs.debian.org/969631 +# we cannot use useradd because passwd is not Essential:yes +{{ CMD }} --variant={{ VARIANT }} --mode={{ MODE }} \ + --essential-hook='[ {{ DIST }} = oldstable ] && [ {{ VARIANT }} = - ] && echo _apt:*:100:65534::/nonexistent:/usr/sbin/nologin >> "$1"/etc/passwd || :' \ + "$(if [ {{ DIST }} = oldstable ]; then echo --merged-usr; else echo --hook-dir=./hooks/merged-usr; fi)" \ + "$(case {{ DIST }} in oldstable) echo --include=e2fsprogs,mount,tzdata,gcc-9-base;; stable) echo --include=e2fsprogs,mount,tzdata;; *) echo --include=base-files ;; esac )" \ + {{ DIST }} /tmp/debian-{{ DIST }}-mm.tar {{ MIRROR }} + +mkdir /tmp/debian-{{ DIST }}-mm +tar --xattrs --xattrs-include='*' -C /tmp/debian-{{ DIST }}-mm -xf /tmp/debian-{{ DIST }}-mm.tar +rm /tmp/debian-{{ DIST }}-mm.tar + +mkdir /tmp/debian-{{ DIST }}-debootstrap +tar --xattrs --xattrs-include='*' -C /tmp/debian-{{ DIST }}-debootstrap -xf "cache/debian-{{ DIST }}-{{ VARIANT }}.tar" + +# diff cannot compare device nodes, so we use tar to do that for us and then +# delete the directory +tar -C /tmp/debian-{{ DIST }}-debootstrap -cf /tmp/dev1.tar ./dev +tar -C /tmp/debian-{{ DIST }}-mm -cf /tmp/dev2.tar ./dev +ret=0 +cmp /tmp/dev1.tar /tmp/dev2.tar >&2 || ret=$? +if [ "$ret" -ne 0 ]; then + if type diffoscope >/dev/null; then + diffoscope /tmp/dev1.tar /tmp/dev2.tar + exit 1 + else + echo "no diffoscope installed" >&2 + fi + if type base64 >/dev/null; then + base64 /tmp/dev1.tar + base64 /tmp/dev2.tar + exit 1 + else + echo "no base64 installed" >&2 + fi + if type xxd >/dev/null; then + xxd /tmp/dev1.tar + xxd /tmp/dev2.tar + exit 1 + else + echo "no xxd installed" >&2 + fi + exit 1 +fi +rm /tmp/dev1.tar /tmp/dev2.tar +rm -r /tmp/debian-{{ DIST }}-debootstrap/dev /tmp/debian-{{ DIST }}-mm/dev + +# remove downloaded deb packages +rm /tmp/debian-{{ DIST }}-debootstrap/var/cache/apt/archives/*.deb +# remove aux-cache +rm /tmp/debian-{{ DIST }}-debootstrap/var/cache/ldconfig/aux-cache +# remove logs +rm /tmp/debian-{{ DIST }}-debootstrap/var/log/dpkg.log \ + /tmp/debian-{{ DIST }}-debootstrap/var/log/bootstrap.log \ + /tmp/debian-{{ DIST }}-debootstrap/var/log/alternatives.log +# remove *-old files +rm /tmp/debian-{{ DIST }}-debootstrap/var/cache/debconf/config.dat-old \ + /tmp/debian-{{ DIST }}-mm/var/cache/debconf/config.dat-old +rm /tmp/debian-{{ DIST }}-debootstrap/var/cache/debconf/templates.dat-old \ + /tmp/debian-{{ DIST }}-mm/var/cache/debconf/templates.dat-old +rm /tmp/debian-{{ DIST }}-debootstrap/var/lib/dpkg/status-old \ + /tmp/debian-{{ DIST }}-mm/var/lib/dpkg/status-old +# remove dpkg files +rm /tmp/debian-{{ DIST }}-debootstrap/var/lib/dpkg/available +rm /tmp/debian-{{ DIST }}-debootstrap/var/lib/dpkg/cmethopt +# remove /var/lib/dpkg/arch +rm /tmp/debian-{{ DIST }}-mm/var/lib/dpkg/arch +# since we installed packages directly from the .deb files, Priorities differ +# thus we first check for equality and then remove the files +chroot /tmp/debian-{{ DIST }}-debootstrap dpkg --list > /tmp/dpkg1 +chroot /tmp/debian-{{ DIST }}-mm dpkg --list > /tmp/dpkg2 +diff -u /tmp/dpkg1 /tmp/dpkg2 >&2 +rm /tmp/dpkg1 /tmp/dpkg2 +grep -v '^Priority: ' /tmp/debian-{{ DIST }}-debootstrap/var/lib/dpkg/status > /tmp/status1 +grep -v '^Priority: ' /tmp/debian-{{ DIST }}-mm/var/lib/dpkg/status > /tmp/status2 +diff -u /tmp/status1 /tmp/status2 >&2 +rm /tmp/status1 /tmp/status2 +rm /tmp/debian-{{ DIST }}-debootstrap/var/lib/dpkg/status /tmp/debian-{{ DIST }}-mm/var/lib/dpkg/status +# debootstrap exposes the hosts's kernel version +if [ -e /tmp/debian-{{ DIST }}-debootstrap/etc/apt/apt.conf.d/01autoremove-kernels ]; then + rm /tmp/debian-{{ DIST }}-debootstrap/etc/apt/apt.conf.d/01autoremove-kernels +fi +if [ -e /tmp/debian-{{ DIST }}-mm/etc/apt/apt.conf.d/01autoremove-kernels ]; then + rm /tmp/debian-{{ DIST }}-mm/etc/apt/apt.conf.d/01autoremove-kernels +fi +# clear out /run except for /run/lock +find /tmp/debian-{{ DIST }}-debootstrap/run/ -mindepth 1 -maxdepth 1 ! -name lock -print0 | xargs --no-run-if-empty -0 rm -r +# debootstrap doesn't clean apt +rm /tmp/debian-{{ DIST }}-debootstrap/var/lib/apt/lists/127.0.0.1_debian_dists_{{ DIST }}_main_binary-{{ HOSTARCH }}_Packages \ + /tmp/debian-{{ DIST }}-debootstrap/var/lib/apt/lists/127.0.0.1_debian_dists_{{ DIST }}_InRelease \ + /tmp/debian-{{ DIST }}-debootstrap/var/lib/apt/lists/127.0.0.1_debian_dists_{{ DIST }}_Release \ + /tmp/debian-{{ DIST }}-debootstrap/var/lib/apt/lists/127.0.0.1_debian_dists_{{ DIST }}_Release.gpg + +if [ "{{ VARIANT }}" = "-" ]; then + rm /tmp/debian-{{ DIST }}-debootstrap/etc/machine-id + rm /tmp/debian-{{ DIST }}-mm/etc/machine-id + rm /tmp/debian-{{ DIST }}-debootstrap/var/lib/systemd/catalog/database + rm /tmp/debian-{{ DIST }}-mm/var/lib/systemd/catalog/database + + cap=$(chroot /tmp/debian-{{ DIST }}-debootstrap /sbin/getcap /bin/ping) + expected="/bin/ping cap_net_raw=ep" + if [ "$cap" != "$expected" ]; then + echo "expected bin/ping to have capabilities $expected" >&2 + echo "but debootstrap produced: $cap" >&2 + exit 1 + fi + cap=$(chroot /tmp/debian-{{ DIST }}-mm /sbin/getcap /bin/ping) + if [ "$cap" != "$expected" ]; then + echo "expected bin/ping to have capabilities $expected" >&2 + echo "but mmdebstrap produced: $cap" >&2 + exit 1 + fi +fi +rm /tmp/debian-{{ DIST }}-mm/var/cache/apt/archives/lock +rm /tmp/debian-{{ DIST }}-mm/var/lib/apt/extended_states +rm /tmp/debian-{{ DIST }}-mm/var/lib/apt/lists/lock + +# the list of shells might be sorted wrongly +# /var/lib/dpkg/triggers/File might be sorted wrongly +for f in "/var/lib/dpkg/triggers/File" "/etc/shells"; do + f1="/tmp/debian-{{ DIST }}-debootstrap/$f" + f2="/tmp/debian-{{ DIST }}-mm/$f" + # both chroots must have the file + if [ ! -e "$f1" ] || [ ! -e "$f2" ]; then + continue + fi + # the file must be different + if cmp "$f1" "$f2" >&2; then + continue + fi + # then sort both + sort -o "$f1" "$f1" + sort -o "$f2" "$f2" +done + +# Because of unreproducible uids (#969631) we created the _apt user ourselves +# and because passwd is not Essential:yes we didn't use useradd. But newer +# versions of adduser and shadow will create a different /etc/shadow +if [ "{{ VARIANT }}" = "-" ] && [ "{{ DIST}}" = oldstable ]; then + for f in shadow shadow-; do + if grep -q '^_apt:!:' /tmp/debian-{{ DIST }}-debootstrap/etc/$f; then + sed -i 's/^_apt:\*:\([^:]\+\):0:99999:7:::$/_apt:!:\1::::::/' /tmp/debian-{{ DIST }}-mm/etc/$f + fi + done +fi + +for log in faillog lastlog; do + if ! cmp /tmp/debian-{{ DIST }}-debootstrap/var/log/$log /tmp/debian-{{ DIST }}-mm/var/log/$log >&2;then + # if the files differ, make sure they are all zeroes + cmp -n "$(stat -c %s "/tmp/debian-{{ DIST }}-debootstrap/var/log/$log")" "/tmp/debian-{{ DIST }}-debootstrap/var/log/$log" /dev/zero >&2 + cmp -n "$(stat -c %s "/tmp/debian-{{ DIST }}-mm/var/log/$log")" "/tmp/debian-{{ DIST }}-mm/var/log/$log" /dev/zero >&2 + # then delete them + rm /tmp/debian-{{ DIST }}-debootstrap/var/log/$log /tmp/debian-{{ DIST }}-mm/var/log/$log + fi +done + +# the order in which systemd and cron get installed differ and thus the order +# of lines in /etc/group and /etc/gshadow differs +if [ "{{ VARIANT }}" = "-" ]; then + for f in group group- gshadow gshadow-; do + for d in mm debootstrap; do + sort /tmp/debian-{{ DIST }}-$d/etc/$f > /tmp/debian-{{ DIST }}-$d/etc/$f.bak + mv /tmp/debian-{{ DIST }}-$d/etc/$f.bak /tmp/debian-{{ DIST }}-$d/etc/$f + done + done +fi + +# since debootstrap 1.0.133 there is no tzdata in the buildd variant and thus +# debootstrap creates its own /etc/localtime +if [ "{{ VARIANT }}" = "buildd" ] && [ "{{ DIST }}" != "stable" ] && [ "{{ DIST }}" != "oldstable" ]; then + [ "$(readlink /tmp/debian-{{ DIST }}-debootstrap/etc/localtime)" = /usr/share/zoneinfo/UTC ] + rm /tmp/debian-{{ DIST }}-debootstrap/etc/localtime +fi + +# starting with systemd 255 upstream dropped splitusr support and depending on +# the installation order, symlink targets are prefixed with /usr or not +# See #1060000 and #1054137 +case {{ DIST }} in testing|unstable) + for f in multi-user.target.wants/e2scrub_reap.service timers.target.wants/apt-daily-upgrade.timer timers.target.wants/apt-daily.timer timers.target.wants/e2scrub_all.timer; do + for d in mm debootstrap; do + [ -L "/tmp/debian-{{ DIST }}-$d/etc/systemd/system/$f" ] || continue + oldlink="$(readlink "/tmp/debian-{{ DIST }}-$d/etc/systemd/system/$f")" + case $oldlink in + /usr/*) : ;; + /*) oldlink="/usr$oldlink" ;; + *) echo unexpected >&2; exit 1 ;; + esac + ln -sf "$oldlink" "/tmp/debian-{{ DIST }}-$d/etc/systemd/system/$f" + done + done + ;; +esac + +# check if the file content differs +diff --unified --no-dereference --recursive /tmp/debian-{{ DIST }}-debootstrap /tmp/debian-{{ DIST }}-mm >&2 + +# check permissions, ownership, symlink targets, modification times using tar +# directory mtimes will differ, thus we equalize them first +find /tmp/debian-{{ DIST }}-debootstrap /tmp/debian-{{ DIST }}-mm -type d -print0 | xargs -0 touch --date="@{{ SOURCE_DATE_EPOCH }}" +# debootstrap never ran apt -- fixing permissions +for d in ./var/lib/apt/lists/partial ./var/cache/apt/archives/partial; do + unmergedPATH="$PATH$(if [ "{{ DIST }}" = oldstable ]; then echo :/bin:/sbin; fi)" + PATH="$unmergedPATH" chroot /tmp/debian-{{ DIST }}-debootstrap chmod 0700 $d + PATH="$unmergedPATH" chroot /tmp/debian-{{ DIST }}-debootstrap chown "$(id -u _apt):root" $d +done +tar -C /tmp/debian-{{ DIST }}-debootstrap --numeric-owner --sort=name --clamp-mtime --mtime="$(date --utc --date=@{{ SOURCE_DATE_EPOCH }} --iso-8601=seconds)" -cf /tmp/root1.tar . +tar -C /tmp/debian-{{ DIST }}-mm --numeric-owner --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 +diff -u /tmp/root1.tar.list /tmp/root2.tar.list >&2 +rm /tmp/root1.tar /tmp/root2.tar /tmp/root1.tar.list /tmp/root2.tar.list + +# check if file properties (permissions, ownership, symlink names, modification time) differ +# +# we cannot use this (yet) because it cannot cope with paths that have [ or @ in them +#fmtree -c -p /tmp/debian-{{ DIST }}-debootstrap -k flags,gid,link,mode,size,time,uid | sudo fmtree -p /tmp/debian-{{ DIST }}-mm + +rm -r /tmp/debian-{{ DIST }}-debootstrap /tmp/debian-{{ DIST }}-mm |