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ebfee6e315
When running check-generated-files in update mode, all generated files were regenerated. As a consequence, ``` tests/scripts/check-generated-files.sh -u && make ``` always caused most of the code to be rebuilt. Now, if a file hasn't changed, preserve its original modification time (and other metadata), so the command above doesn't rebuild anything that has actually not changed. Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
130 lines
3.9 KiB
Bash
Executable File
130 lines
3.9 KiB
Bash
Executable File
#! /usr/bin/env sh
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# Copyright The Mbed TLS Contributors
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# SPDX-License-Identifier: Apache-2.0
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Purpose
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#
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# Check if generated files are up-to-date.
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set -eu
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if [ $# -ne 0 ] && [ "$1" = "--help" ]; then
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cat <<EOF
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$0 [-l | -u]
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This script checks that all generated file are up-to-date. If some aren't, by
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default the scripts reports it and exits in error; with the -u option, it just
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updates them instead.
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-u Update the files rather than return an error for out-of-date files.
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-l List generated files, but do not update them.
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EOF
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exit
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fi
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if [ -d library -a -d include -a -d tests ]; then :; else
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echo "Must be run from mbed TLS root" >&2
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exit 1
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fi
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UPDATE=
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LIST=
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while getopts lu OPTLET; do
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case $OPTLET in
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l) LIST=1;;
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u) UPDATE=1;;
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esac
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done
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# check SCRIPT FILENAME[...]
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# check SCRIPT DIRECTORY
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# Run SCRIPT and check that it does not modify any of the specified files.
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# In the first form, there can be any number of FILENAMEs, which must be
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# regular files.
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# In the second form, there must be a single DIRECTORY, standing for the
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# list of files in the directory. Running SCRIPT must not modify any file
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# in the directory and must not add or remove files either.
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# If $UPDATE is empty, abort with an error status if a file is modified.
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check()
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{
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SCRIPT=$1
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shift
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if [ -n "$LIST" ]; then
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printf '%s\n' "$@"
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return
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fi
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directory=
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if [ -d "$1" ]; then
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directory="$1"
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rm -f "$directory"/*.bak
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set -- "$1"/*
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fi
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for FILE in "$@"; do
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if [ -e "$FILE" ]; then
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cp -p "$FILE" "$FILE.bak"
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else
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rm -f "$FILE.bak"
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fi
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done
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"$SCRIPT"
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# Compare the script output to the old files and remove backups
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for FILE in "$@"; do
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if diff "$FILE" "$FILE.bak" >/dev/null 2>&1; then
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# Move the original file back so that $FILE's timestamp doesn't
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# change (avoids spurious rebuilds with make).
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mv "$FILE.bak" "$FILE"
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else
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echo "'$FILE' was either modified or deleted by '$SCRIPT'"
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if [ -z "$UPDATE" ]; then
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exit 1
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else
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rm -f "$FILE.bak"
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fi
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fi
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done
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if [ -n "$directory" ]; then
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old_list="$*"
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set -- "$directory"/*
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new_list="$*"
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# Check if there are any new files
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if [ "$old_list" != "$new_list" ]; then
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echo "Files were deleted or created by '$SCRIPT'"
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echo "Before: $old_list"
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echo "After: $new_list"
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if [ -z "$UPDATE" ]; then
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exit 1
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fi
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fi
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fi
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}
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check scripts/generate_errors.pl library/error.c
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check scripts/generate_query_config.pl programs/test/query_config.c
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check scripts/generate_driver_wrappers.py library/psa_crypto_driver_wrappers.c
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check scripts/generate_features.pl library/version_features.c
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check scripts/generate_ssl_debug_helpers.py library/ssl_debug_helpers_generated.c
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# generate_visualc_files enumerates source files (library/*.c). It doesn't
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# care about their content, but the files must exist. So it must run after
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# the step that creates or updates these files.
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check scripts/generate_visualc_files.pl visualc/VS2010
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check scripts/generate_psa_constants.py programs/psa/psa_constant_names_generated.c
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check tests/scripts/generate_psa_tests.py $(tests/scripts/generate_psa_tests.py --list)
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