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flutter/src/installer.ts
2020-04-13 14:41:49 -07:00

212 lines
5.2 KiB
TypeScript

import * as core from '@actions/core';
import * as io from '@actions/io';
import * as tc from '@actions/tool-cache';
import * as fs from 'fs';
import * as path from 'path';
import * as httpm from '@actions/http-client';
import * as semver from 'semver';
const IS_WINDOWS = process.platform === 'win32';
const IS_DARWIN = process.platform === 'darwin';
const IS_LINUX = process.platform === 'linux';
const storageUrl = 'https://storage.googleapis.com/flutter_infra/releases';
let tempDirectory = process.env['RUNNER_TEMP'] || '';
if (!tempDirectory) {
let baseLocation;
if (IS_WINDOWS) {
baseLocation = process.env['USERPROFILE'] || 'C:\\';
} else {
if (process.platform === 'darwin') {
baseLocation = '/Users';
} else {
baseLocation = '/home';
}
}
tempDirectory = path.join(baseLocation, 'actions', 'temp');
}
export async function getFlutter(
version: string,
channel: string
): Promise<void> {
const versionPart = version.split('.');
if (versionPart[1] == null || versionPart[2] == null) {
version = version.concat('.x');
}
version = await determineVersion(version, channel);
let cleanver = `${version.replace('+', '-')}-${channel}`;
let toolPath = tc.find('flutter', cleanver);
if (toolPath) {
core.debug(`Tool found in cache ${toolPath}`);
} else {
core.debug('Downloading Flutter from Google storage');
const downloadInfo = getDownloadInfo(version, channel);
const sdkFile = await tc.downloadTool(downloadInfo.url);
let tempDir: string = generateTempDir();
const sdkDir = await extractDownload(sdkFile, tempDir);
core.debug(`Flutter sdk extracted to ${sdkDir}`);
toolPath = await tc.cacheDir(sdkDir, 'flutter', cleanver);
}
core.exportVariable('FLUTTER_HOME', toolPath);
core.addPath(path.join(toolPath, 'bin'));
core.addPath(path.join(toolPath, 'bin', 'cache', 'dart-sdk', 'bin'));
}
function osName(): string {
if (IS_DARWIN) return 'macos';
if (IS_WINDOWS) return 'windows';
return process.platform;
}
function extName(): string {
if (IS_LINUX) return 'tar.xz';
return 'zip';
}
function getDownloadInfo(
version: string,
channel: string
): {version: string; url: string} {
const os = osName();
const ext = extName();
const url = `${storageUrl}/${channel}/${os}/flutter_${os}_v${version}-${channel}.${ext}`;
return {
version,
url
};
}
function generateTempDir(): string {
return path.join(
tempDirectory,
'temp_' + Math.floor(Math.random() * 2000000000)
);
}
async function extractDownload(
sdkFile: string,
destDir: string
): Promise<string> {
await io.mkdirP(destDir);
const sdkPath = path.normalize(sdkFile);
const stats = fs.statSync(sdkPath);
if (stats.isFile()) {
await extractFile(sdkFile, destDir);
const sdkDir = path.join(destDir, fs.readdirSync(destDir)[0]);
return sdkDir;
} else {
throw new Error(`Flutter sdk argument ${sdkFile} is not a file`);
}
}
async function extractFile(file: string, destDir: string): Promise<void> {
const stats = fs.statSync(file);
if (!stats) {
throw new Error(`Failed to extract ${file} - it doesn't exist`);
} else if (stats.isDirectory()) {
throw new Error(`Failed to extract ${file} - it is a directory`);
}
if ('tar.xz' === extName()) {
await tc.extractTar(file, destDir, 'x');
} else {
await tc.extractZip(file, destDir);
}
}
async function determineVersion(
version: string,
channel: string
): Promise<string> {
if (version.endsWith('.x') || version === '') {
return await getLatestVersion(version, channel);
}
return version;
}
interface IFlutterChannel {
[key: string]: string;
beta: string;
dev: string;
stable: string;
}
interface IFlutterRelease {
hash: string;
channel: string;
version: string;
}
interface IFlutterStorage {
current_release: IFlutterChannel;
releases: IFlutterRelease[];
}
async function getLatestVersion(
version: string,
channel: string
): Promise<string> {
const releasesUrl: string = `${storageUrl}/releases_${osName()}.json`;
const http: httpm.HttpClient = new httpm.HttpClient('flutter-action');
const storage: IFlutterStorage | null = (
await http.getJson<IFlutterStorage | null>(releasesUrl)
).result;
if (!storage) {
throw new Error('unable to get latest version');
}
if (version.endsWith('.x')) {
const sver = version.slice(0, version.length - 2);
const releases = storage.releases.filter(
release =>
release.version.startsWith(`v${sver}`) && release.channel === channel
);
const versions = releases.map(release =>
release.version.slice(1, release.version.length)
);
const sortedVersions = versions.sort(semver.rcompare);
core.debug(
`latest version of ${version} from channel ${channel} is ${sortedVersions[0]}`
);
return sortedVersions[0];
}
const channelVersion = storage.releases.find(
release => release.hash === storage.current_release[channel]
);
if (!channelVersion) {
throw new Error(`unable to get latest version from channel ${channel}`);
}
let cver = channelVersion.version;
cver = cver.slice(1, cver.length);
core.debug(`latest version from channel ${channel} is ${cver}`);
return cver;
}