#!/usr/bin/env bash

# SPDX-FileCopyrightText: 2026 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
#
# SPDX-License-Identifier: GPL-2.0-or-later

BASE_SHA=""

if [[ -n "$CI_MERGE_REQUEST_DIFF_BASE_SHA" ]]; then
    # This is when there is a merge request associated with the current branch.
    BASE_SHA="$CI_MERGE_REQUEST_DIFF_BASE_SHA"
elif [[ -n "$CI_COMMIT_DEFAULT_BRANCH_BASE_SHA" ]]; then
    # This is when there is no a merge request associated with the current branch.
    # When there is a merge request, CI_COMMIT_DEFAULT_BRANCH_BASE_SHA will not
    # be set anymore.
    BASE_SHA="$CI_COMMIT_DEFAULT_BRANCH_BASE_SHA"
else
    echo "Not running in GitLab CI, skipping reuse lint"
    exit 0
fi

for sha1 in $(git log --format=%H $BASE_SHA..); do
    git checkout $sha1

    # Make sure that new files have all the required SPDX identifiers.
    for file in $(git show --name-only --diff-filter=A --pretty="" HEAD); do
        if ! reuse lint-file $file; then
            exit 1
        fi
    done

    # Make sure that no source file ends with no SPDX identifiers.
    for file in $(git show -S "SPDX" --name-only --diff-filter=M --pretty="" HEAD); do
        if ! reuse lint-file $file; then
            exit 1
        fi
    done
done