examples/sysbuild_app/verify_autoconf.py

# Copyright 2026 The Pigweed Authors
#
# 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
#
#     https://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.
import sys
import os

def check_file(file_path, expected_str, should_exist):
    if not os.path.exists(file_path):
        print(f"File not found: {file_path}")
        return False

    with open(file_path, 'r') as f:
        content = f.read()

    found = expected_str in content
    if should_exist and not found:
        print(f"Expected '{expected_str}' not found in {file_path}")
        return False
    elif not should_exist and found:
        print(f"Unexpected '{expected_str}' found in {file_path}")
        return False

    return True

def main():
    if len(sys.argv) < 3:
        print("Usage: verify_autoconf.py <main_autoconf> <helper_autoconf>")
        sys.exit(1)

    main_autoconf = sys.argv[1]
    helper_autoconf = sys.argv[2]

    print(f"Checking main autoconf: {main_autoconf}")
    print(f"Checking helper autoconf: {helper_autoconf}")

    success = True

    # Helper should have CONFIG_LOG 1 because of helper_app_CONFIG_LOG=y
    success &= check_file(helper_autoconf, "#define CONFIG_LOG 1", True)

    # Helper should have CONFIG_POLL 1 because of sysbuild/helper_app.conf overlay
    success &= check_file(helper_autoconf, "#define CONFIG_POLL 1", True)

    # Helper should NOT have CONFIG_REBOOT 1 anymore
    success &= check_file(helper_autoconf, "#define CONFIG_REBOOT 1", False)

    # Main should NOT have them
    success &= check_file(main_autoconf, "#define CONFIG_LOG 1", False)
    success &= check_file(main_autoconf, "#define CONFIG_POLL 1", False)


    if not success:
        sys.exit(1)
    print("Verification successful!")


if __name__ == "__main__":
    main()