1#! /usr/bin/env sh 2 3# Copyright The Mbed TLS Contributors 4# SPDX-License-Identifier: Apache-2.0 5# 6# Licensed under the Apache License, Version 2.0 (the "License"); you may 7# not use this file except in compliance with the License. 8# You may obtain a copy of the License at 9# 10# http://www.apache.org/licenses/LICENSE-2.0 11# 12# Unless required by applicable law or agreed to in writing, software 13# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 14# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15# See the License for the specific language governing permissions and 16# limitations under the License. 17# 18# Purpose 19# 20# Check if generated files are up-to-date. 21 22set -eu 23 24if [ $# -ne 0 ] && [ "$1" = "--help" ]; then 25 cat <<EOF 26$0 [-l | -u] 27This script checks that all generated file are up-to-date. If some aren't, by 28default the scripts reports it and exits in error; with the -u option, it just 29updates them instead. 30 31 -u Update the files rather than return an error for out-of-date files. 32 -l List generated files, but do not update them. 33EOF 34 exit 35fi 36 37if [ -d library -a -d include -a -d tests ]; then :; else 38 echo "Must be run from mbed TLS root" >&2 39 exit 1 40fi 41 42UPDATE= 43LIST= 44while getopts lu OPTLET; do 45 case $OPTLET in 46 l) LIST=1;; 47 u) UPDATE=1;; 48 esac 49done 50 51# check SCRIPT FILENAME[...] 52# check SCRIPT DIRECTORY 53# Run SCRIPT and check that it does not modify any of the specified files. 54# In the first form, there can be any number of FILENAMEs, which must be 55# regular files. 56# In the second form, there must be a single DIRECTORY, standing for the 57# list of files in the directory. Running SCRIPT must not modify any file 58# in the directory and must not add or remove files either. 59# If $UPDATE is empty, abort with an error status if a file is modified. 60check() 61{ 62 SCRIPT=$1 63 shift 64 65 if [ -n "$LIST" ]; then 66 printf '%s\n' "$@" 67 return 68 fi 69 70 directory= 71 if [ -d "$1" ]; then 72 directory="$1" 73 rm -f "$directory"/*.bak 74 set -- "$1"/* 75 fi 76 77 for FILE in "$@"; do 78 if [ -e "$FILE" ]; then 79 cp "$FILE" "$FILE.bak" 80 else 81 rm -f "$FILE.bak" 82 fi 83 done 84 85 "$SCRIPT" 86 87 # Compare the script output to the old files and remove backups 88 for FILE in "$@"; do 89 if ! diff "$FILE" "$FILE.bak" >/dev/null 2>&1; then 90 echo "'$FILE' was either modified or deleted by '$SCRIPT'" 91 if [ -z "$UPDATE" ]; then 92 exit 1 93 fi 94 fi 95 if [ -z "$UPDATE" ]; then 96 mv "$FILE.bak" "$FILE" 97 else 98 rm -f "$FILE.bak" 99 fi 100 done 101 102 if [ -n "$directory" ]; then 103 old_list="$*" 104 set -- "$directory"/* 105 new_list="$*" 106 # Check if there are any new files 107 if [ "$old_list" != "$new_list" ]; then 108 echo "Files were deleted or created by '$SCRIPT'" 109 echo "Before: $old_list" 110 echo "After: $new_list" 111 if [ -z "$UPDATE" ]; then 112 exit 1 113 fi 114 fi 115 fi 116} 117 118check scripts/generate_errors.pl library/error.c 119check scripts/generate_query_config.pl programs/test/query_config.c 120check scripts/generate_features.pl library/version_features.c 121check scripts/generate_ssl_debug_helpers.py library/ssl_debug_helpers_generated.h library/ssl_debug_helpers_generated.c 122# generate_visualc_files enumerates source files (library/*.c). It doesn't 123# care about their content, but the files must exist. So it must run after 124# the step that creates or updates these files. 125check scripts/generate_visualc_files.pl visualc/VS2010 126check scripts/generate_psa_constants.py programs/psa/psa_constant_names_generated.c 127check tests/scripts/generate_psa_tests.py $(tests/scripts/generate_psa_tests.py --list) 128