1#!/bin/bash 2 3# This script verifies that BUILD files and cmake files are in sync with src/Makefile.am 4 5set -eo pipefail 6 7if [ "$(uname)" != "Linux" ]; then 8 echo "build_files_updated_unittest only supported on Linux. Skipping..." 9 exit 0 10fi 11 12# Keep in sync with files needed by update_file_lists.sh 13generated_files=( 14 "BUILD" 15 "cmake/extract_includes.bat.in" 16 "cmake/libprotobuf-lite.cmake" 17 "cmake/libprotobuf.cmake" 18 "cmake/libprotoc.cmake" 19 "cmake/tests.cmake" 20 "src/Makefile.am" 21) 22 23# If we're running in Bazel, use the Bazel-provided temp-dir. 24if [ -n "${TEST_TMPDIR}" ]; then 25 # Env-var TEST_TMPDIR is set, assume that this is Bazel. 26 # Bazel may have opinions whether we are allowed to delete TEST_TMPDIR. 27 test_root="${TEST_TMPDIR}/build_files_updated_unittest" 28 mkdir "${test_root}" 29else 30 # Seems like we're not executed by Bazel. 31 test_root=$(mktemp -d) 32fi 33 34# From now on, fail if there are any unbound variables. 35set -u 36 37# Remove artifacts after test is finished. 38function cleanup { 39 rm -rf "${test_root}" 40} 41trap cleanup EXIT 42 43# Create golden dir and add snapshot of current state. 44golden_dir="${test_root}/golden" 45mkdir -p "${golden_dir}/cmake" "${golden_dir}/src" 46for file in ${generated_files[@]}; do 47 cp "${file}" "${golden_dir}/${file}" 48done 49 50# Create test dir, copy current state into it, and execute update script. 51test_dir="${test_root}/test" 52cp -R "${golden_dir}" "${test_dir}" 53 54cp "update_file_lists.sh" "${test_dir}/update_file_lists.sh" 55chmod +x "${test_dir}/update_file_lists.sh" 56cd "${test_root}/test" 57bash "${test_dir}/update_file_lists.sh" 58 59# Test whether there are any differences 60for file in ${generated_files[@]}; do 61 diff -du "${golden_dir}/${file}" "${test_dir}/${file}" 62done 63