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#!/usr/bin/env bash
#
# PuzzleFS tests
#
. $(dirname $(readlink -e ${BASH_SOURCE[0]}))/../../test-libs.sh
require-git https://github.com/project-machine/puzzlefs
require-make puzzlefs
config-mem 4G
config-compiler clang
require-kernel-config RUST
require-kernel-config MISC_FILESYSTEMS
require-kernel-config PUZZLEFS_FS
config-scratch-devs 4G
check_rsync_log()
{
# rsync itemized output
# https://jhpce.jhu.edu/files/rsync-itemize-table/
# .: the item is not being updated (though it might have attributes that are being modified)
# h: the item is a hard link to another item (requires --hard-links).
# We don't expect any lines to start with anything other than a dot or h
# Ideally the output should be empty, but the lost+found/ directory is
# ignored and the mountpoints themselves could have a modified time
# Sample expected output:
# .d..t...... ./
# .d..t...... lost+found/
! grep -E '^[^.h]' $1
}
prepare_source_fs()
{
local fstype=$1
if [[ $fstype = ext4 ]]; then
run_quiet "" mkfs.$fstype -F ${ktest_scratch_dev[0]}
mount -t $fstype -o user_xattr ${ktest_scratch_dev[0]} /mnt
else
run_quiet "" mkfs.$fstype -f ${ktest_scratch_dev[0]}
mount -t $fstype ${ktest_scratch_dev[0]} /mnt
fi
# Copy only /usr/bin until PuzzleFS can handle larger filesystems
cp -a /usr/bin /mnt
for i in /mnt/bin/*; do
if [ ! -L $i ]; then
ln $i ${i}-migrate2
setfattr -n user.foo -v test $i
fi
done
}
# build a filesystem from a source
build_from_fs()
{
set_watchdog 180
prepare_source_fs $1
puzzlefs build /mnt /tmp/puzzlefs-oci pfs_image
echo "Attempting to mount puzzlefs filesystem"
local image_manifest=$(jq -r ".manifests[] | .digest" /tmp/puzzlefs-oci/index.json | cut -d ':' -f2)
mkdir -p /mnt2
mount -t puzzlefs -o oci_root_dir="/tmp/puzzlefs-oci" -o image_manifest="$image_manifest" none /mnt2
rsync --archive \
--acls \
--xattrs \
--checksum \
--hard-links \
--dry-run \
--itemize-changes \
/mnt/ /mnt2/ > /root/rsynclog-build
check_rsync_log /root/rsynclog-build
umount /mnt2
echo "rsync passed"
umount /mnt
}
test_build_from_ext4()
{
build_from_fs ext4
}
main "$@"
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