mbedtls/tests/scripts/check-generated-files.sh
Manuel Pégourié-Gonnard 961fb133ad Add -u option to check-generated-files.sh
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2020-08-10 12:59:09 +02:00

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#! /usr/bin/env sh
# Copyright (c) 2018, ARM Limited, All Rights Reserved
# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
#
# This file is provided under the Apache License 2.0, or the
# GNU General Public License v2.0 or later.
#
# **********
# Apache License 2.0:
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# **********
#
# **********
# GNU General Public License v2.0 or later:
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# **********
#
# This file is part of Mbed TLS (https://tls.mbed.org)
#
# Purpose
#
# Check if generated files are up-to-date.
set -eu
if [ $# -ne 0 ] && [ "$1" = "--help" ]; then
cat <<EOF
$0 [-u]
This script checks that all generated file are up-to-date. If some aren't, by
default the scripts reports it and exits in error; with the -u option, it just
updates them instead.
-u Update the files rather than return an error for out-of-date files.
EOF
exit
fi
if [ -d library -a -d include -a -d tests ]; then :; else
echo "Must be run from mbed TLS root" >&2
exit 1
fi
UPDATE=
if [ $# -ne 0 ] && [ "$1" = "-u" ]; then
shift
UPDATE='y'
fi
check()
{
SCRIPT=$1
TO_CHECK=$2
PATTERN=""
FILES=""
if [ -d $TO_CHECK ]; then
for FILE in $TO_CHECK/*; do
FILES="$FILE $FILES"
done
else
FILES=$TO_CHECK
fi
for FILE in $FILES; do
cp $FILE $FILE.bak
done
$SCRIPT
# Compare the script output to the old files and remove backups
for FILE in $FILES; do
if ! diff $FILE $FILE.bak >/dev/null 2>&1; then
echo "'$FILE' was either modified or deleted by '$SCRIPT'"
if [ -z "$UPDATE" ]; then
exit 1
fi
fi
if [ -z "$UPDATE" ]; then
mv $FILE.bak $FILE
else
rm $FILE.bak
fi
if [ -d $TO_CHECK ]; then
# Create a grep regular expression that we can check against the
# directory contents to test whether new files have been created
if [ -z $PATTERN ]; then
PATTERN="$(basename $FILE)"
else
PATTERN="$PATTERN\|$(basename $FILE)"
fi
fi
done
if [ -d $TO_CHECK ]; then
# Check if there are any new files
if ls -1 $TO_CHECK | grep -v "$PATTERN" >/dev/null 2>&1; then
echo "Files were created by '$SCRIPT'"
if [ -z "$UPDATE" ]; then
exit 1
fi
fi
fi
}
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