name : run_fat_tests.sh #!/bin/bash # SPDX-License-Identifier: GPL-2.0 # # Run filesystem operations tests on an 1 MiB disk image that is formatted with # a vfat filesystem and mounted in a temporary directory using a loop device. # # Copyright 2022 Red Hat Inc. # Author: Javier Martinez Canillas <javierm@redhat.com> set -e set -u set -o pipefail BASE_DIR="$(dirname $0)" TMP_DIR="$(mktemp -d /tmp/fat_tests_tmp.XXXXXX)" IMG_PATH="${TMP_DIR}/fat.img" MNT_PATH="${TMP_DIR}/mnt" cleanup() { mountpoint -q "${MNT_PATH}" && unmount_image rm -rf "${TMP_DIR}" } trap cleanup SIGINT SIGTERM EXIT create_loopback() { touch "${IMG_PATH}" chattr +C "${IMG_PATH}" >/dev/null 2>&1 || true truncate -s 1M "${IMG_PATH}" mkfs.vfat "${IMG_PATH}" >/dev/null 2>&1 } mount_image() { mkdir -p "${MNT_PATH}" sudo mount -o loop "${IMG_PATH}" "${MNT_PATH}" } rename_exchange_test() { local rename_exchange="${BASE_DIR}/rename_exchange" local old_path="${MNT_PATH}/old_file" local new_path="${MNT_PATH}/new_file" echo old | sudo tee "${old_path}" >/dev/null 2>&1 echo new | sudo tee "${new_path}" >/dev/null 2>&1 sudo "${rename_exchange}" "${old_path}" "${new_path}" >/dev/null 2>&1 sudo sync -f "${MNT_PATH}" grep new "${old_path}" >/dev/null 2>&1 grep old "${new_path}" >/dev/null 2>&1 } rename_exchange_subdir_test() { local rename_exchange="${BASE_DIR}/rename_exchange" local dir_path="${MNT_PATH}/subdir" local old_path="${MNT_PATH}/old_file" local new_path="${dir_path}/new_file" sudo mkdir -p "${dir_path}" echo old | sudo tee "${old_path}" >/dev/null 2>&1 echo new | sudo tee "${new_path}" >/dev/null 2>&1 sudo "${rename_exchange}" "${old_path}" "${new_path}" >/dev/null 2>&1 sudo sync -f "${MNT_PATH}" grep new "${old_path}" >/dev/null 2>&1 grep old "${new_path}" >/dev/null 2>&1 } unmount_image() { sudo umount "${MNT_PATH}" &> /dev/null } create_loopback mount_image rename_exchange_test rename_exchange_subdir_test unmount_image exit 0