# Copyright 2019 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

USE_PYTHON3 = True


def _HasLocalChanges(input_api):
    ret = input_api.subprocess.call(["git", "diff", "--exit-code"])
    return ret != 0


def CheckGenerated(input_api, output_api):
    file_filter = lambda x: x.LocalPath() == "infra/config/recipes.cfg"
    results = input_api.canned_checks.CheckJsonParses(
        input_api, output_api, file_filter=file_filter
    )

    if input_api.subprocess.call(["./generate.sh"]):
        results.append(output_api.PresubmitError("Error calling generate.sh"))

    if _HasLocalChanges(input_api):
        msg = (
            "Running generate.sh produced a diff. Please "
            "run the script, amend your changes, and try again."
        )
        results.append(output_api.PresubmitError(msg))
    return results


def CheckChangeOnUpload(input_api, output_api):
    results = []
    results.extend(CheckGenerated(input_api, output_api))
    return results


def CheckChangeOnCommit(input_api, output_api):
    results = []
    results.extend(CheckGenerated(input_api, output_api))
    return results