513 lines
15 KiB
TypeScript
513 lines
15 KiB
TypeScript
import os = require('os');
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import * as assert from 'assert';
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import * as core from '@actions/core';
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import * as hc from '@actions/http-client';
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import * as io from '@actions/io';
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import * as tc from '@actions/tool-cache';
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import * as path from 'path';
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import * as semver from 'semver';
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import fs = require('fs');
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//
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// Node versions interface
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// see https://nodejs.org/dist/index.json
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//
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export interface INodeVersion {
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version: string;
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files: string[];
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}
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interface INodeVersionInfo {
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downloadUrl: string;
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resolvedVersion: string;
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arch: string;
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fileName: string;
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}
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interface INodeRelease extends tc.IToolRelease {
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lts?: string;
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}
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export async function getNode(
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versionSpec: string,
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stable: boolean,
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checkLatest: boolean,
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auth: string | undefined,
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arch: string = os.arch()
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) {
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// Store manifest data to avoid multiple calls
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let manifest: INodeRelease[] | undefined;
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let nodeVersions: INodeVersion[] | undefined;
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let osPlat: string = os.platform();
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let osArch: string = translateArchToDistUrl(arch);
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if (isLtsAlias(versionSpec)) {
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core.info('Attempt to resolve LTS alias from manifest...');
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// No try-catch since it's not possible to resolve LTS alias without manifest
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manifest = await getManifest(auth);
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versionSpec = resolveLtsAliasFromManifest(versionSpec, stable, manifest);
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}
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if (isLatestSyntax(versionSpec)) {
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nodeVersions = await getVersionsFromDist();
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versionSpec = await queryDistForMatch(versionSpec, arch, nodeVersions);
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core.info(`getting latest node version...`);
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}
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if (checkLatest) {
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core.info('Attempt to resolve the latest version from manifest...');
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const resolvedVersion = await resolveVersionFromManifest(
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versionSpec,
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stable,
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auth,
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osArch,
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manifest
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);
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if (resolvedVersion) {
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versionSpec = resolvedVersion;
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core.info(`Resolved as '${versionSpec}'`);
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} else {
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core.info(`Failed to resolve version ${versionSpec} from manifest`);
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}
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}
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// check cache
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let toolPath: string;
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toolPath = tc.find('node', versionSpec, osArch);
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// If not found in cache, download
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if (toolPath) {
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core.info(`Found in cache @ ${toolPath}`);
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} else {
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core.info(`Attempting to download ${versionSpec}...`);
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let downloadPath = '';
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let info: INodeVersionInfo | null = null;
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//
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// Try download from internal distribution (popular versions only)
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//
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try {
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info = await getInfoFromManifest(
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versionSpec,
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stable,
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auth,
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osArch,
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manifest
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);
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if (info) {
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core.info(
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`Acquiring ${info.resolvedVersion} - ${info.arch} from ${info.downloadUrl}`
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);
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downloadPath = await tc.downloadTool(info.downloadUrl, undefined, auth);
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} else {
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core.info(
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'Not found in manifest. Falling back to download directly from Node'
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);
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}
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} catch (err) {
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// Rate limit?
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if (
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err instanceof tc.HTTPError &&
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(err.httpStatusCode === 403 || err.httpStatusCode === 429)
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) {
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core.info(
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`Received HTTP status code ${err.httpStatusCode}. This usually indicates the rate limit has been exceeded`
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);
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} else {
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core.info(err.message);
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}
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core.debug(err.stack);
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core.info('Falling back to download directly from Node');
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}
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//
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// Download from nodejs.org
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//
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if (!downloadPath) {
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info = await getInfoFromDist(versionSpec, arch, nodeVersions);
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if (!info) {
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throw new Error(
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`Unable to find Node version '${versionSpec}' for platform ${osPlat} and architecture ${osArch}.`
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);
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}
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core.info(
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`Acquiring ${info.resolvedVersion} - ${info.arch} from ${info.downloadUrl}`
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);
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try {
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downloadPath = await tc.downloadTool(info.downloadUrl);
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} catch (err) {
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if (err instanceof tc.HTTPError && err.httpStatusCode == 404) {
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return await acquireNodeFromFallbackLocation(
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info.resolvedVersion,
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info.arch
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);
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}
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throw err;
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}
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}
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//
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// Extract
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//
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core.info('Extracting ...');
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let extPath: string;
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info = info || ({} as INodeVersionInfo); // satisfy compiler, never null when reaches here
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if (osPlat == 'win32') {
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let _7zPath = path.join(__dirname, '../..', 'externals', '7zr.exe');
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extPath = await tc.extract7z(downloadPath, undefined, _7zPath);
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// 7z extracts to folder matching file name
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let nestedPath = path.join(extPath, path.basename(info.fileName, '.7z'));
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if (fs.existsSync(nestedPath)) {
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extPath = nestedPath;
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}
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} else {
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extPath = await tc.extractTar(downloadPath, undefined, [
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'xz',
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'--strip',
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'1'
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]);
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}
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//
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// Install into the local tool cache - node extracts with a root folder that matches the fileName downloaded
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//
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core.info('Adding to the cache ...');
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toolPath = await tc.cacheDir(
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extPath,
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'node',
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info.resolvedVersion,
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info.arch
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);
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core.info('Done');
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}
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//
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// a tool installer initimately knows details about the layout of that tool
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// for example, node binary is in the bin folder after the extract on Mac/Linux.
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// layouts could change by version, by platform etc... but that's the tool installers job
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//
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if (osPlat != 'win32') {
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toolPath = path.join(toolPath, 'bin');
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}
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//
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// prepend the tools path. instructs the agent to prepend for future tasks
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core.addPath(toolPath);
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}
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function isLtsAlias(versionSpec: string): boolean {
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return versionSpec.startsWith('lts/');
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}
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function getManifest(auth: string | undefined): Promise<tc.IToolRelease[]> {
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core.debug('Getting manifest from actions/node-versions@main');
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return tc.getManifestFromRepo('actions', 'node-versions', auth, 'main');
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}
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function resolveLtsAliasFromManifest(
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versionSpec: string,
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stable: boolean,
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manifest: INodeRelease[]
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): string {
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const alias = versionSpec.split('lts/')[1]?.toLowerCase();
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if (!alias) {
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throw new Error(
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`Unable to parse LTS alias for Node version '${versionSpec}'`
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);
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}
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core.debug(`LTS alias '${alias}' for Node version '${versionSpec}'`);
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// Supported formats are `lts/<alias>`, `lts/*`, and `lts/-n`. Where asterisk means highest possible LTS and -n means the nth-highest.
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const n = Number(alias);
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const aliases = Object.fromEntries(
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manifest
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.filter(x => x.lts && x.stable === stable)
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.map(x => [x.lts!.toLowerCase(), x])
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.reverse()
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);
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const numbered = Object.values(aliases);
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const release =
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alias === '*'
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? numbered[numbered.length - 1]
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: n < 0
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? numbered[numbered.length - 1 + n]
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: aliases[alias];
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if (!release) {
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throw new Error(
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`Unable to find LTS release '${alias}' for Node version '${versionSpec}'.`
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);
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}
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core.debug(
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`Found LTS release '${release.version}' for Node version '${versionSpec}'`
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);
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return release.version.split('.')[0];
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}
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async function getInfoFromManifest(
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versionSpec: string,
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stable: boolean,
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auth: string | undefined,
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osArch: string = translateArchToDistUrl(os.arch()),
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manifest: tc.IToolRelease[] | undefined
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): Promise<INodeVersionInfo | null> {
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let info: INodeVersionInfo | null = null;
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if (!manifest) {
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core.debug('No manifest cached');
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manifest = await getManifest(auth);
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}
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const rel = await tc.findFromManifest(versionSpec, stable, manifest, osArch);
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if (rel && rel.files.length > 0) {
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info = <INodeVersionInfo>{};
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info.resolvedVersion = rel.version;
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info.arch = rel.files[0].arch;
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info.downloadUrl = rel.files[0].download_url;
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info.fileName = rel.files[0].filename;
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}
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return info;
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}
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async function getInfoFromDist(
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versionSpec: string,
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arch: string = os.arch(),
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nodeVersions?: INodeVersion[]
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): Promise<INodeVersionInfo | null> {
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let osPlat: string = os.platform();
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let osArch: string = translateArchToDistUrl(arch);
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let version: string = await queryDistForMatch(
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versionSpec,
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arch,
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nodeVersions
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);
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if (!version) {
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return null;
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}
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//
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// Download - a tool installer intimately knows how to get the tool (and construct urls)
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//
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version = semver.clean(version) || '';
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let fileName: string =
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osPlat == 'win32'
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? `node-v${version}-win-${osArch}`
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: `node-v${version}-${osPlat}-${osArch}`;
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let urlFileName: string =
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osPlat == 'win32' ? `${fileName}.7z` : `${fileName}.tar.gz`;
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let url = `https://nodejs.org/dist/v${version}/${urlFileName}`;
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return <INodeVersionInfo>{
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downloadUrl: url,
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resolvedVersion: version,
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arch: arch,
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fileName: fileName
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};
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}
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async function resolveVersionFromManifest(
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versionSpec: string,
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stable: boolean,
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auth: string | undefined,
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osArch: string = translateArchToDistUrl(os.arch()),
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manifest: tc.IToolRelease[] | undefined
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): Promise<string | undefined> {
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try {
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const info = await getInfoFromManifest(
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versionSpec,
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stable,
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auth,
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osArch,
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manifest
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);
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return info?.resolvedVersion;
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} catch (err) {
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core.info('Unable to resolve version from manifest...');
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core.debug(err.message);
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}
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}
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// TODO - should we just export this from @actions/tool-cache? Lifted directly from there
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function evaluateVersions(versions: string[], versionSpec: string): string {
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let version = '';
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core.debug(`evaluating ${versions.length} versions`);
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versions = versions.sort((a, b) => {
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if (semver.gt(a, b)) {
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return 1;
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}
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return -1;
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});
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for (let i = versions.length - 1; i >= 0; i--) {
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const potential: string = versions[i];
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const satisfied: boolean = semver.satisfies(potential, versionSpec);
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if (satisfied) {
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version = potential;
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break;
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}
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}
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if (version) {
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core.debug(`matched: ${version}`);
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} else {
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core.debug('match not found');
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}
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return version;
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}
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async function queryDistForMatch(
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versionSpec: string,
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arch: string = os.arch(),
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nodeVersions?: INodeVersion[]
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): Promise<string> {
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let osPlat: string = os.platform();
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let osArch: string = translateArchToDistUrl(arch);
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// node offers a json list of versions
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let dataFileName: string;
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switch (osPlat) {
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case 'linux':
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dataFileName = `linux-${osArch}`;
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break;
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case 'darwin':
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dataFileName = `osx-${osArch}-tar`;
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break;
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case 'win32':
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dataFileName = `win-${osArch}-exe`;
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break;
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default:
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throw new Error(`Unexpected OS '${osPlat}'`);
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}
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if (!nodeVersions) {
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core.debug('No dist manifest cached');
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nodeVersions = await getVersionsFromDist();
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}
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let versions: string[] = [];
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if (isLatestSyntax(versionSpec)) {
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core.info(`getting latest node version...`);
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return nodeVersions[0].version;
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}
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nodeVersions.forEach((nodeVersion: INodeVersion) => {
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// ensure this version supports your os and platform
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if (nodeVersion.files.indexOf(dataFileName) >= 0) {
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versions.push(nodeVersion.version);
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}
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});
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// get the latest version that matches the version spec
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let version: string = evaluateVersions(versions, versionSpec);
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return version;
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}
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export async function getVersionsFromDist(): Promise<INodeVersion[]> {
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let dataUrl = 'https://nodejs.org/dist/index.json';
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let httpClient = new hc.HttpClient('setup-node', [], {
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allowRetries: true,
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maxRetries: 3
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});
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let response = await httpClient.getJson<INodeVersion[]>(dataUrl);
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return response.result || [];
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}
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// For non LTS versions of Node, the files we need (for Windows) are sometimes located
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// in a different folder than they normally are for other versions.
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// Normally the format is similar to: https://nodejs.org/dist/v5.10.1/node-v5.10.1-win-x64.7z
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// In this case, there will be two files located at:
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// /dist/v5.10.1/win-x64/node.exe
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// /dist/v5.10.1/win-x64/node.lib
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// If this is not the structure, there may also be two files located at:
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// /dist/v0.12.18/node.exe
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// /dist/v0.12.18/node.lib
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// This method attempts to download and cache the resources from these alternative locations.
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// Note also that the files are normally zipped but in this case they are just an exe
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// and lib file in a folder, not zipped.
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async function acquireNodeFromFallbackLocation(
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version: string,
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arch: string = os.arch()
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): Promise<string> {
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let osPlat: string = os.platform();
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let osArch: string = translateArchToDistUrl(arch);
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// Create temporary folder to download in to
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const tempDownloadFolder: string =
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'temp_' + Math.floor(Math.random() * 2000000000);
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const tempDirectory = process.env['RUNNER_TEMP'] || '';
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assert.ok(tempDirectory, 'Expected RUNNER_TEMP to be defined');
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const tempDir: string = path.join(tempDirectory, tempDownloadFolder);
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await io.mkdirP(tempDir);
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let exeUrl: string;
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let libUrl: string;
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try {
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exeUrl = `https://nodejs.org/dist/v${version}/win-${osArch}/node.exe`;
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libUrl = `https://nodejs.org/dist/v${version}/win-${osArch}/node.lib`;
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core.info(`Downloading only node binary from ${exeUrl}`);
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const exePath = await tc.downloadTool(exeUrl);
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await io.cp(exePath, path.join(tempDir, 'node.exe'));
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const libPath = await tc.downloadTool(libUrl);
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await io.cp(libPath, path.join(tempDir, 'node.lib'));
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} catch (err) {
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if (err instanceof tc.HTTPError && err.httpStatusCode == 404) {
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exeUrl = `https://nodejs.org/dist/v${version}/node.exe`;
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libUrl = `https://nodejs.org/dist/v${version}/node.lib`;
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const exePath = await tc.downloadTool(exeUrl);
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await io.cp(exePath, path.join(tempDir, 'node.exe'));
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const libPath = await tc.downloadTool(libUrl);
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await io.cp(libPath, path.join(tempDir, 'node.lib'));
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} else {
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throw err;
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}
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}
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let toolPath = await tc.cacheDir(tempDir, 'node', version, arch);
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core.addPath(toolPath);
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return toolPath;
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}
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// os.arch does not always match the relative download url, e.g.
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// os.arch == 'arm' != node-v12.13.1-linux-armv7l.tar.gz
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// All other currently supported architectures match, e.g.:
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// os.arch = arm64 => https://nodejs.org/dist/v{VERSION}/node-v{VERSION}-{OS}-arm64.tar.gz
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// os.arch = x64 => https://nodejs.org/dist/v{VERSION}/node-v{VERSION}-{OS}-x64.tar.gz
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function translateArchToDistUrl(arch: string): string {
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switch (arch) {
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case 'arm':
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return 'armv7l';
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default:
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return arch;
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}
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}
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export function parseNodeVersionFile(contents: string): string {
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const found = contents.match(/^(?:nodejs\s+)?v?(?<version>[^\s]+)$/m);
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const nodeVersion = found?.groups?.version;
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if (nodeVersion) {
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return nodeVersion;
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}
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// In the case of an unknown format,
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// return as is and evaluate the version separately.
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return contents.trim();
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}
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function isLatestSyntax(versionSpec): boolean {
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return ['current', 'latest', 'node'].includes(versionSpec);
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}
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