317 行
11 KiB
JavaScript
317 行
11 KiB
JavaScript
#!/usr/bin/env node
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import { execFileSync } from 'node:child_process';
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import { readFileSync } from 'node:fs';
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import { pathToFileURL } from 'node:url';
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const CONTROLLED_ROOTS = new Map([
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['changelogs-v2', '管理后台'],
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['changelogs-v2-mp', '小程序端'],
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]);
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const CHANGE_TYPES = new Set(['新增接口', '修改接口', '删除接口']);
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function ruleError(code, path, message, expected) {
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return { code, path, message, expected };
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}
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export function getShanghaiDate(now = new Date()) {
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if (!(now instanceof Date) || Number.isNaN(now.getTime())) {
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throw new TypeError('The validation clock must be a valid Date.');
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}
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const parts = new Intl.DateTimeFormat('en-CA', {
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timeZone: 'Asia/Shanghai',
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year: 'numeric',
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month: '2-digit',
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day: '2-digit',
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}).formatToParts(now);
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const values = Object.fromEntries(parts.map(({ type, value }) => [type, value]));
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if (!/^\d{4}$/.test(values.year) || !/^\d{2}$/.test(values.month) || !/^\d{2}$/.test(values.day)) {
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throw new Error('Unable to derive the current Asia/Shanghai calendar date.');
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}
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return {
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yearMonth: `${values.year}-${values.month}`,
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day: values.day,
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isoDate: `${values.year}-${values.month}-${values.day}`,
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};
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}
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export function parseNameStatusZ(raw) {
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const text = Buffer.isBuffer(raw) ? raw.toString('utf8') : String(raw ?? '');
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const tokens = text.split('\0');
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if (tokens.at(-1) === '') {
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tokens.pop();
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}
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const records = [];
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for (let index = 0; index < tokens.length;) {
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const status = tokens[index++];
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if (!status) {
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throw new Error('Malformed git diff: an empty status token was found.');
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}
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if (/^[RC]\d{1,3}$/.test(status)) {
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const sourcePath = tokens[index++];
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const targetPath = tokens[index++];
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if (sourcePath === undefined || targetPath === undefined) {
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throw new Error(`Malformed git diff: ${status} must contain source and target paths.`);
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}
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records.push({ status, sourcePath, targetPath });
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continue;
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}
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const targetPath = tokens[index++];
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if (targetPath === undefined) {
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throw new Error(`Malformed git diff: ${status} is missing its path.`);
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}
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records.push({ status, targetPath });
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}
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return records;
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}
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export function collectNewTargetPaths(records) {
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return records
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.filter(({ status }) => status === 'A' || /^C\d{1,3}$/.test(status) || /^R\d{1,3}$/.test(status))
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.map(({ targetPath }) => targetPath);
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}
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function controlledRootForPath(inputPath) {
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const candidate = String(inputPath);
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for (const root of CONTROLLED_ROOTS.keys()) {
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if (candidate === root || candidate.startsWith(`${root}/`) || candidate.startsWith(`${root}\\`)) {
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return root;
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}
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}
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return undefined;
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}
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export function validateChangelogPath(inputPath, now = new Date()) {
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const changelogPath = String(inputPath);
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const root = controlledRootForPath(changelogPath);
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if (!root) {
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return [];
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}
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const expectedClient = CONTROLLED_ROOTS.get(root);
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if (changelogPath.includes('\\')) {
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return [ruleError(
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'E_STRUCTURE',
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changelogPath,
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'受控 Git 路径包含反斜杠；反斜杠是文件名字节，不是路径分隔符',
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`${root}/YYYY-MM/DD_issue_标题-{新增接口|修改接口|删除接口}-${expectedClient}.md`,
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)];
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}
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const expectedDate = getShanghaiDate(now);
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const errors = [];
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const segments = changelogPath.split('/');
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if (segments.length !== 3 || !segments[2].endsWith('.md')) {
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return [ruleError(
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'E_STRUCTURE',
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changelogPath,
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'路径层级或扩展名不符合规则',
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`${root}/YYYY-MM/DD_issue_标题-{新增接口|修改接口|删除接口}-${expectedClient}.md`,
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)];
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}
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const [, yearMonth, filename] = segments;
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if (yearMonth !== expectedDate.yearMonth) {
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errors.push(ruleError(
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'E_MONTH',
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changelogPath,
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`月目录为 ${yearMonth}`,
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`Asia/Shanghai 当天的 ${expectedDate.yearMonth}`,
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));
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}
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const stem = filename.slice(0, -3);
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const clientSeparator = stem.lastIndexOf('-');
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const actualClient = clientSeparator >= 0 ? stem.slice(clientSeparator + 1) : '';
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const beforeClient = clientSeparator >= 0 ? stem.slice(0, clientSeparator) : stem;
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if (actualClient !== expectedClient) {
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errors.push(ruleError(
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'E_CLIENT',
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changelogPath,
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`端类型为 ${actualClient || '(缺失)'}`,
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expectedClient,
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));
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}
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const typeSeparator = beforeClient.lastIndexOf('-');
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const actualType = typeSeparator >= 0 ? beforeClient.slice(typeSeparator + 1) : '';
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const prefix = typeSeparator >= 0 ? beforeClient.slice(0, typeSeparator) : beforeClient;
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if (!CHANGE_TYPES.has(actualType)) {
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errors.push(ruleError(
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'E_CHANGE_TYPE',
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changelogPath,
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`变更类型为 ${actualType || '(缺失)'}`,
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'新增接口 / 修改接口 / 删除接口',
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));
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}
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const prefixMatch = /^(\d{2})_([^_]*)_(.*)$/.exec(prefix);
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if (!prefixMatch) {
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const dayMatch = /^(\d{2})_/.exec(prefix);
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if (dayMatch && dayMatch[1] !== expectedDate.day) {
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errors.push(ruleError('E_DAY', changelogPath, `日前缀为 ${dayMatch[1]}`, expectedDate.day));
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}
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errors.push(ruleError(
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'E_ISSUE',
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changelogPath,
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'文件名缺少可识别的正整数 Issue 号',
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'DD_[1-9][0-9]*_标题',
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));
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return errors;
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}
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const [, day, issue, title] = prefixMatch;
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if (day !== expectedDate.day) {
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errors.push(ruleError('E_DAY', changelogPath, `日前缀为 ${day}`, expectedDate.day));
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}
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if (!/^[1-9]\d*$/.test(issue)) {
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errors.push(ruleError('E_ISSUE', changelogPath, `Issue 号为 ${issue || '(缺失)'}`, '不带 # 的十进制正整数'));
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}
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if (title.trim() === '') {
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errors.push(ruleError('E_TITLE', changelogPath, '业务标题为空', '非空业务标题'));
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}
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return errors;
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}
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export function runValidation(records, now = new Date()) {
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const targetPaths = collectNewTargetPaths(records);
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const controlledPaths = targetPaths.filter((targetPath) => controlledRootForPath(targetPath));
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const errors = controlledPaths.flatMap((targetPath) => validateChangelogPath(targetPath, now));
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return {
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targetCount: targetPaths.length,
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checkedCount: controlledPaths.length,
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errors,
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expectedDate: getShanghaiDate(now),
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};
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}
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function parseArguments(argv) {
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const options = {};
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for (let index = 0; index < argv.length; index += 2) {
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const flag = argv[index];
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const value = argv[index + 1];
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if (!['--event', '--base', '--head'].includes(flag) || value === undefined) {
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throw new Error(`Unsupported or incomplete argument: ${flag ?? '(missing)'}`);
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}
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options[flag.slice(2)] = value;
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}
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if (options.event && (options.base || options.head)) {
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throw new Error('--event cannot be combined with --base/--head.');
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}
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if (!options.event && (!options.base || !options.head)) {
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throw new Error('Use --event <path> or both --base <ref> --head <ref>.');
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}
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return options;
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}
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function runGit(args, options = {}) {
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return execFileSync('git', args, {
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...options,
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stdio: ['pipe', 'pipe', 'pipe'],
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});
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}
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function resolveCommitRef(ref, label) {
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if (typeof ref !== 'string' || ref.length === 0 || /[\0\r\n]/.test(ref)) {
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throw new Error(`${label} must be a non-empty Git ref without control characters.`);
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}
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let resolved;
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try {
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resolved = runGit(['rev-parse', '--verify', '--end-of-options', `${ref}^{commit}`], { encoding: 'utf8' }).trim();
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} catch {
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throw new Error(`${label} does not resolve to an existing commit.`);
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}
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if (!/^(?:[0-9a-f]{40}|[0-9a-f]{64})$/.test(resolved)) {
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throw new Error(`${label} resolved to an unexpected object ID.`);
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}
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return resolved;
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}
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function resolveEventCommitSha(sha, label) {
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if (typeof sha !== 'string' || !/^(?:[0-9a-fA-F]{40}|[0-9a-fA-F]{64})$/.test(sha)) {
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throw new Error(`${label} must be a full 40- or 64-character hexadecimal commit SHA.`);
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}
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return resolveCommitRef(sha.toLowerCase(), label);
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}
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function emptyTreeObjectId() {
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const objectId = runGit(['hash-object', '-t', 'tree', '--stdin'], {
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input: Buffer.alloc(0),
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encoding: 'utf8',
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}).trim();
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if (!/^(?:[0-9a-f]{40}|[0-9a-f]{64})$/.test(objectId)) {
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throw new Error('Git returned an unexpected empty-tree object ID.');
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}
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return objectId;
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}
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function gitDiff(revisions) {
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return runGit(['diff', '--name-status', '-z', '--find-renames', ...revisions, '--'], {
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encoding: 'buffer',
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maxBuffer: 64 * 1024 * 1024,
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});
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}
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function diffFromOptions(options) {
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if (!options.event) {
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const base = resolveCommitRef(options.base, 'base ref');
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const head = resolveCommitRef(options.head, 'head ref');
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return gitDiff([`${base}...${head}`]);
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}
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const event = JSON.parse(readFileSync(options.event, 'utf8'));
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if (event.pull_request) {
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const base = event.pull_request.base?.sha;
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const head = event.pull_request.head?.sha;
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if (!base || !head) {
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throw new Error('The pull_request event is missing base/head SHA values.');
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}
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const resolvedBase = resolveEventCommitSha(base, 'pull_request base SHA');
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const resolvedHead = resolveEventCommitSha(head, 'pull_request head SHA');
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return gitDiff([`${resolvedBase}...${resolvedHead}`]);
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}
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if (event.before && event.after) {
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if (typeof event.before !== 'string' || !/^(?:[0-9a-fA-F]{40}|[0-9a-fA-F]{64})$/.test(event.before)) {
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throw new Error('push before SHA must be a full 40- or 64-character hexadecimal value.');
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}
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const before = /^0+$/.test(event.before)
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? emptyTreeObjectId()
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: resolveEventCommitSha(event.before, 'push before SHA');
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const after = resolveEventCommitSha(event.after, 'push after SHA');
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return gitDiff([before, after]);
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}
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throw new Error('Unsupported event payload: expected pull_request or push before/after SHA values.');
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}
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export function main(argv = process.argv.slice(2)) {
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try {
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const options = parseArguments(argv);
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const records = parseNameStatusZ(diffFromOptions(options));
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const result = runValidation(records, new Date());
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if (result.errors.length > 0) {
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for (const error of result.errors) {
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console.error(`[${error.code}] ${error.path}: ${error.message}; expected ${error.expected}`);
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}
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console.error(`FAIL: found ${new Set(result.errors.map(({ path }) => path)).size} invalid changelog path(s) among ${result.checkedCount} controlled changelog path(s).`);
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return 1;
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}
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console.log(`PASS: validated ${result.checkedCount} controlled changelog path(s) from ${result.targetCount} new target path(s); expected Shanghai date ${result.expectedDate.isoDate}.`);
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return 0;
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} catch (error) {
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console.error(`ERROR: ${error instanceof Error ? error.message : String(error)}`);
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return 2;
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}
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}
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const isCli = process.argv[1] && pathToFileURL(process.argv[1]).href === import.meta.url;
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if (isCli) {
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process.exitCode = main();
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}
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