import execa from 'execa' import { existsSync } from 'fs' import { resolve } from 'path' import { bin_name } from '../..' import { BASH_PATH, ENGINE_DIR, MELON_TMP_DIR } from '../../constants' import { log } from '../../log' import { commandExistsSync } from '../../utils/commandExists' import { downloadFileToLocation } from '../../utils/download' import { ensureDir, windowsPathToUnix } from '../../utils/fs' import { init } from '../init' export function shouldSetupFirefoxSource() { return !( existsSync(ENGINE_DIR) && existsSync(resolve(ENGINE_DIR, 'toolkit', 'moz.build')) ) } export async function setupFirefoxSource(version: string) { const firefoxSourceTar = await downloadFirefoxSource(version) await unpackFirefoxSource(firefoxSourceTar) if (!process.env.CI_SKIP_INIT) { log.info('Init firefox') await init(ENGINE_DIR) } } async function unpackFirefoxSource(name: string): Promise { log.info(`Unpacking Firefox...`) ensureDir(ENGINE_DIR) let tarExec = 'tar' // On MacOS, we need to use gnu tar, otherwise tar doesn't behave how we // would expect it to behave, so this section is responsible for handling // that // // If BSD tar adds --transform support in the future, we can use that // instead if (process.platform == 'darwin') { // GNU Tar doesn't come preinstalled on any MacOS machines, so we need to // check for it and ask for the user to install it if necessary if (!commandExistsSync('gtar')) { throw new Error( `GNU Tar is required to extract Firefox's source on MacOS. Please install it using the command |brew install gnu-tar| and try again` ) } tarExec = 'gtar' } await execa( tarExec, [ '--strip-components=1', process.platform == 'win32' ? '--force-local' : null, '-xf', windowsPathToUnix(resolve(MELON_TMP_DIR, name)), '-C', windowsPathToUnix(ENGINE_DIR), ].filter((x) => x) as string[], { // HACK: Use bash shell on windows to get a sane version of tar that works shell: BASH_PATH || false, } ) } async function downloadFirefoxSource(version: string) { const base = `https://archive.mozilla.org/pub/firefox/releases/${version}/source/` const filename = `firefox-${version}.source.tar.xz` const url = base + filename const fsParent = MELON_TMP_DIR const fsSaveLocation = resolve(fsParent, filename) log.info(`Locating Firefox release ${version}...`) await ensureDir(fsParent) if (existsSync(fsSaveLocation)) { log.info('Using cached download') return filename } // Do not re-download if there is already an existing workspace present if (existsSync(ENGINE_DIR)) log.error( `Workspace already exists.\nRemove that workspace and run |${bin_name} download ${version}| again.` ) log.info(`Downloading Firefox release ${version}...`) await downloadFileToLocation(url, resolve(MELON_TMP_DIR, filename)) return filename }