146 lines
4.6 KiB
Bash
Executable file
146 lines
4.6 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 OR GPL-2.0-or-later
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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-u Update the files rather than return an error for out-of-date files.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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in_mbedtls_repo () {
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test -d include -a -d library -a -d programs -a -d tests
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}
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in_tf_psa_crypto_repo () {
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test -d include -a -d core -a -d drivers -a -d programs -a -d tests
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}
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if in_mbedtls_repo; then
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library_dir='library'
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elif in_tf_psa_crypto_repo; then
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library_dir='core'
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else
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echo "Must be run from Mbed TLS root or TF-PSA-Crypto 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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# Note: if the format of calls to the "check" function changes, update
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# scripts/code_style.py accordingly. For generated C source files (*.h or *.c),
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# the format must be "check SCRIPT FILENAME...". For other source files,
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# any shell syntax is permitted (including e.g. command substitution).
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# Note: Instructions to generate those files are replicated in:
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# - **/Makefile (to (re)build them with make)
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# - **/CMakeLists.txt (to (re)build them with cmake)
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# - scripts/make_generated_files.bat (to generate them under Windows)
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# These checks are common to Mbed TLS and TF-PSA-Crypto
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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_bignum_tests.py $(tests/scripts/generate_bignum_tests.py --list)
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check tests/scripts/generate_ecp_tests.py $(tests/scripts/generate_ecp_tests.py --list)
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check tests/scripts/generate_psa_tests.py $(tests/scripts/generate_psa_tests.py --list)
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check scripts/generate_driver_wrappers.py $library_dir/psa_crypto_driver_wrappers.h $library_dir/psa_crypto_driver_wrappers_no_static.c
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# Additional checks for Mbed TLS only
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if in_mbedtls_repo; then
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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_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/VS2013
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fi
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