coverage.sh: test wrapping debootstrap in mmdebstrap

pull/1/head
parent dc9a5dc281
commit da4de7cfdf
Signed by: josch
GPG Key ID: F2CBA5C78FBD83E1

@ -72,7 +72,7 @@ if [ ! -e shared/taridshift ] || [ taridshift -nt shared/taridshift ]; then
fi
starttime=
total=148
total=149
skipped=0
runtests=0
i=1
@ -301,6 +301,90 @@ END
done
done
# this is a solution for https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=829134
print_header "mode=unshare,variant=custom: as debootstrap unshare wrapper"
cat << END > shared/test.sh
#!/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 --no-merged-usr 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/; 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=@$SOURCE_DATE_EPOCH --iso-8601=seconds) -cf /tmp/root2.tar .
tar --full-time --verbose -tf /tmp/root1.tar > /tmp/root1.tar.list
tar --full-time --verbose -tf /tmp/root2.tar > /tmp/root2.tar.list
# despite SOURCE_DATE_EPOCH and --clamp-mtime, the timestamps in the tarball
# will slightly differ from each other in the sub-second precision (last
# decimals) so the tarballs will not be identical, so we use diff to compare
# content and tar to compare attributes
diff -u /tmp/root1.tar.list /tmp/root2.tar.list
rm /tmp/root1.tar /tmp/root2.tar /tmp/root1.tar.list /tmp/root2.tar.list
rm /tmp/debian-mm.tar
rm -r /tmp/debian-debootstrap /tmp/debian-mm
END
if [ "$HAVE_QEMU" = "yes" ]; then
./run_qemu.sh
runtests=$((runtests+1))
else
echo "HAVE_QEMU != yes -- Skipping test..." >&2
skipped=$((skipped+1))
fi
print_header "test --help"
cat << END > shared/test.sh
#!/bin/sh

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