392 lines
14 KiB
TypeScript
392 lines
14 KiB
TypeScript
import { Binary } from "@coder/nbin";
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import * as cp from "child_process";
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// import * as crypto from "crypto";
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import * as fs from "fs-extra";
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import * as os from "os";
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import * as path from "path";
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import * as util from "util";
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enum Task {
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/**
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* Use before running anything that only works inside VS Code.
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*/
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EnsureInVscode = "ensure-in-vscode",
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Binary = "binary",
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Package = "package",
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Build = "build",
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}
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class Builder {
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private readonly rootPath = path.resolve(__dirname, "..");
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private readonly outPath = process.env.OUT || this.rootPath;
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private _target?: "darwin" | "alpine" | "linux";
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private currentTask?: Task;
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public run(task: Task | undefined, args: string[]): void {
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this.currentTask = task;
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this.doRun(task, args).catch((error) => {
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console.error(error.message);
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process.exit(1);
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});
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}
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private async task<T>(message: string, fn: () => Promise<T>): Promise<T> {
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const time = Date.now();
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this.log(`${message}...`, true);
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try {
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const t = await fn();
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process.stdout.write(`took ${Date.now() - time}ms\n`);
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return t;
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} catch (error) {
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process.stdout.write("failed\n");
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throw error;
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}
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}
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/**
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* Writes to stdout with an optional newline.
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*/
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private log(message: string, skipNewline: boolean = false): void {
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process.stdout.write(`[${this.currentTask || "default"}] ${message}`);
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if (!skipNewline) {
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process.stdout.write("\n");
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}
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}
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private async doRun(task: Task | undefined, args: string[]): Promise<void> {
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if (!task) {
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throw new Error("No task provided");
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}
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if (task === Task.EnsureInVscode) {
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return process.exit(this.isInVscode(this.rootPath) ? 0 : 1);
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}
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// If we're inside VS Code assume we want to develop. In that case we should
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// set an OUT directory and not build in this directory, otherwise when you
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// build/watch VS Code the build directory will be included.
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if (this.isInVscode(this.outPath)) {
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throw new Error("Should not build inside VS Code; set the OUT environment variable");
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}
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this.ensureArgument("rootPath", this.rootPath);
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this.ensureArgument("outPath", this.outPath);
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const arch = this.ensureArgument("arch", os.arch().replace(/^x/, "x86_"));
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const target = this.ensureArgument("target", await this.target());
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const vscodeVersion = this.ensureArgument("vscodeVersion", args[0]);
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const codeServerVersion = this.ensureArgument("codeServerVersion", args[1]);
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const vscodeSourcePath = path.join(this.outPath, "source", `vscode-${vscodeVersion}-source`);
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const binariesPath = path.join(this.outPath, "binaries");
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const binaryName = `code-server${codeServerVersion}-vsc${vscodeVersion}-${target}-${arch}`;
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const finalBuildPath = path.join(this.outPath, "build", `${binaryName}-built`);
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switch (task) {
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case Task.Binary:
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return this.binary(finalBuildPath, binariesPath, binaryName);
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case Task.Package:
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return this.package(vscodeSourcePath, binariesPath, binaryName);
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case Task.Build:
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return this.build(vscodeSourcePath, vscodeVersion, codeServerVersion, finalBuildPath);
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default:
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throw new Error(`No task matching "${task}"`);
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}
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}
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/**
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* Get the target of the system.
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*/
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private async target(): Promise<"darwin" | "alpine" | "linux"> {
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if (!this._target) {
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if (os.platform() === "darwin" || (process.env.OSTYPE && /^darwin/.test(process.env.OSTYPE))) {
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this._target = "darwin";
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} else {
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// Alpine's ldd doesn't have a version flag but if you use an invalid flag
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// (like --version) it outputs the version to stderr and exits with 1.
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const result = await util.promisify(cp.exec)("ldd --version")
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.catch((error) => ({ stderr: error.message, stdout: "" }));
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if (/musl/.test(result.stderr) || /musl/.test(result.stdout)) {
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this._target = "alpine";
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} else {
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this._target = "linux";
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}
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}
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}
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return this._target;
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}
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/**
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* Make sure the argument is set. Display the value if it is.
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*/
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private ensureArgument(name: string, arg?: string): string {
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if (!arg) {
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this.log(`${name} is missing`);
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throw new Error("Usage: <vscodeVersion> <codeServerVersion>");
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}
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this.log(`${name} is "${arg}"`);
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return arg;
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}
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/**
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* Return true if it looks like we're inside VS Code. This is used to prevent
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* accidentally building inside VS Code while developing which causes issues
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* because the watcher will try compiling those built files.
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*/
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private isInVscode(pathToCheck: string): boolean {
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let inside = false;
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const maybeVsCode = path.join(pathToCheck, "../../../");
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try {
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// If it has a package.json with the right name it's probably VS Code.
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inside = require(path.join(maybeVsCode, "package.json")).name === "code-oss-dev";
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} catch (error) {}
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this.log(
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inside
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? `Running inside VS Code ([${maybeVsCode}]${path.relative(maybeVsCode, pathToCheck)})`
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: "Not running inside VS Code"
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);
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return inside;
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}
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/**
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* Build code-server within VS Code.
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*/
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private async build(vscodeSourcePath: string, vscodeVersion: string, codeServerVersion: string, finalBuildPath: string): Promise<void> {
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// Install dependencies (should be cached by CI).
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await this.task("Installing code-server dependencies", async () => {
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await util.promisify(cp.exec)("yarn", { cwd: this.rootPath });
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});
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// Download and prepare VS Code if necessary (should be cached by CI).
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if (fs.existsSync(vscodeSourcePath)) {
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this.log("Using existing VS Code clone");
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} else {
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await this.task("Cloning VS Code", () => {
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return util.promisify(cp.exec)(
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"git clone https://github.com/microsoft/vscode"
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+ ` --quiet --branch "${vscodeVersion}"`
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+ ` --single-branch --depth=1 "${vscodeSourcePath}"`);
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});
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}
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await this.task("Installing VS Code dependencies", () => {
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return util.promisify(cp.exec)("yarn", { cwd: vscodeSourcePath });
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});
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if (fs.existsSync(path.join(vscodeSourcePath, ".build/extensions"))) {
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this.log("Using existing built-in-extensions");
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} else {
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await this.task("Building default extensions", () => {
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return util.promisify(cp.exec)(
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"yarn gulp compile-extensions-build --max-old-space-size=32384",
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{ cwd: vscodeSourcePath },
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);
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});
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}
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// Clean before patching or it could fail if already patched.
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await this.task("Patching VS Code", async () => {
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await util.promisify(cp.exec)("git reset --hard", { cwd: vscodeSourcePath });
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await util.promisify(cp.exec)("git clean -fd", { cwd: vscodeSourcePath });
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await util.promisify(cp.exec)(`git apply ${this.rootPath}/scripts/vscode.patch`, { cwd: vscodeSourcePath });
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});
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const serverPath = path.join(vscodeSourcePath, "src/vs/server");
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await this.task("Copying code-server into VS Code", async () => {
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await fs.remove(serverPath);
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await fs.mkdirp(serverPath);
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await Promise.all(["main.js", "node_modules", "src", "typings"].map((fileName) => {
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return fs.copy(path.join(this.rootPath, fileName), path.join(serverPath, fileName));
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}));
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});
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await this.task("Building VS Code", () => {
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return util.promisify(cp.exec)("yarn gulp compile-build --max-old-space-size=32384", { cwd: vscodeSourcePath });
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});
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await this.task("Optimizing VS Code", async () => {
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await fs.copyFile(path.join(this.rootPath, "scripts/optimize.js"), path.join(vscodeSourcePath, "coder.js"));
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await util.promisify(cp.exec)(`yarn gulp optimize --max-old-space-size=32384 --gulpfile ./coder.js`, { cwd: vscodeSourcePath });
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});
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const { productJson, packageJson } = await this.task("Generating final package.json and product.json", async () => {
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const merge = async (name: string, extraJson: { [key: string]: string } = {}): Promise<{ [key: string]: string }> => {
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const [aJson, bJson] = (await Promise.all([
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fs.readFile(path.join(vscodeSourcePath, `${name}.json`), "utf8"),
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fs.readFile(path.join(this.rootPath, `scripts/${name}.json`), "utf8"),
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])).map((raw) => {
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const json = JSON.parse(raw);
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delete json.scripts;
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delete json.dependencies;
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delete json.devDependencies;
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delete json.optionalDependencies;
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return json;
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});
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return { ...aJson, ...bJson, ...extraJson };
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};
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const date = new Date().toISOString();
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const commit = require(path.join(vscodeSourcePath, "build/lib/util")).getVersion(this.rootPath);
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const [productJson, packageJson] = await Promise.all([
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merge("product", { commit, date }),
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merge("package", { codeServerVersion: `${codeServerVersion}-vsc${vscodeVersion}` }),
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]);
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// We could do this before the optimization but then it'd be copied into
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// three files and unused in two which seems like a waste of bytes.
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const apiPath = path.join(vscodeSourcePath, "out-vscode/vs/workbench/workbench.web.api.js");
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await fs.writeFile(apiPath, (await fs.readFile(apiPath, "utf8")).replace('{ /*BUILD->INSERT_PRODUCT_CONFIGURATION*/}', JSON.stringify({
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version: packageJson.version,
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codeServerVersion: packageJson.codeServerVersion,
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...productJson,
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})));
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return { productJson, packageJson };
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});
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if (process.env.MINIFY) {
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await this.task("Minifying VS Code", () => {
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return util.promisify(cp.exec)("yarn gulp minify --max-old-space-size=32384 --gulpfile ./coder.js", { cwd: vscodeSourcePath });
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});
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}
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const finalServerPath = path.join(finalBuildPath, "out/vs/server");
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await this.task("Copying into final build directory", async () => {
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await fs.remove(finalBuildPath);
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await fs.mkdirp(finalBuildPath);
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await Promise.all([
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fs.copy(path.join(vscodeSourcePath, "remote/node_modules"), path.join(finalBuildPath, "node_modules")),
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fs.copy(path.join(vscodeSourcePath, ".build/extensions"), path.join(finalBuildPath, "extensions")),
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fs.copy(path.join(vscodeSourcePath, `out-vscode${process.env.MINIFY ? "-min" : ""}`), path.join(finalBuildPath, "out")).then(() => {
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return Promise.all([
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fs.remove(path.join(finalServerPath, "node_modules")).then(() => {
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return fs.copy(path.join(serverPath, "node_modules"), path.join(finalServerPath, "node_modules"));
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}),
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fs.copy(path.join(finalServerPath, "src/browser/workbench-build.html"), path.join(finalServerPath, "src/browser/workbench.html")),
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]);
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}),
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]);
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});
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if (process.env.MINIFY) {
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await this.task("Restricting to production dependencies", async () => {
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await Promise.all(["package.json", "yarn.lock"].map((fileName) => {
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Promise.all([
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fs.copy(path.join(this.rootPath, fileName), path.join(finalServerPath, fileName)),
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fs.copy(path.join(path.join(vscodeSourcePath, "remote"), fileName), path.join(finalBuildPath, fileName)),
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]);
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}));
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await Promise.all([finalServerPath, finalBuildPath].map((cwd) => {
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return util.promisify(cp.exec)("yarn --production", { cwd });
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}));
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await Promise.all(["package.json", "yarn.lock"].map((fileName) => {
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return Promise.all([
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fs.remove(path.join(finalServerPath, fileName)),
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fs.remove(path.join(finalBuildPath, fileName)),
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]);
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}));
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});
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}
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await this.task("Writing final package.json and product.json", () => {
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return Promise.all([
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fs.writeFile(path.join(finalBuildPath, "package.json"), JSON.stringify(packageJson, null, 2)),
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fs.writeFile(path.join(finalBuildPath, "product.json"), JSON.stringify(productJson, null, 2)),
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]);
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});
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// Prevent needless cache changes.
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await this.task("Cleaning for smaller cache", () => {
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return Promise.all([
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fs.remove(serverPath),
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fs.remove(path.join(vscodeSourcePath, "out-vscode")),
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fs.remove(path.join(vscodeSourcePath, "out-vscode-min")),
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fs.remove(path.join(vscodeSourcePath, "out-build")),
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util.promisify(cp.exec)("git reset --hard", { cwd: vscodeSourcePath }).then(() => {
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return util.promisify(cp.exec)("git clean -fd", { cwd: vscodeSourcePath });
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}),
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]);
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});
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// Prepend code to the target which enables finding files within the binary.
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const prependLoader = async (relativeFilePath: string): Promise<void> => {
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const filePath = path.join(finalBuildPath, relativeFilePath);
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const shim = `
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if (!global.NBIN_LOADED) {
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try {
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const nbin = require("nbin");
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nbin.shimNativeFs("${finalBuildPath}");
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global.NBIN_LOADED = true;
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const path = require("path");
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const rg = require("vscode-ripgrep");
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rg.binaryRgPath = rg.rgPath;
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rg.rgPath = path.join(require("os").tmpdir(), "code-server", path.basename(rg.binaryRgPath));
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} catch (error) { /* Not in the binary. */ }
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}
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`;
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await fs.writeFile(filePath, shim + (await fs.readFile(filePath, "utf8")));
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};
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await this.task("Prepending nbin loader", () => {
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return Promise.all([
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prependLoader("out/vs/server/main.js"),
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prependLoader("out/bootstrap-fork.js"),
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prependLoader("extensions/node_modules/typescript/lib/tsserver.js"),
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]);
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});
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this.log(`Final build: ${finalBuildPath}`);
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}
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/**
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* Bundles the built code into a binary.
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*/
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private async binary(targetPath: string, binariesPath: string, binaryName: string): Promise<void> {
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const bin = new Binary({
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mainFile: path.join(targetPath, "out/vs/server/main.js"),
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target: await this.target(),
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});
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bin.writeFiles(path.join(targetPath, "**"));
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await fs.mkdirp(binariesPath);
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const binaryPath = path.join(binariesPath, binaryName);
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await fs.writeFile(binaryPath, await bin.build());
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await fs.chmod(binaryPath, "755");
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this.log(`Binary: ${binaryPath}`);
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}
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/**
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* Package the binary into a release archive.
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*/
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private async package(vscodeSourcePath: string, binariesPath: string, binaryName: string): Promise<void> {
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const releasePath = path.join(this.outPath, "release");
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const archivePath = path.join(releasePath, binaryName);
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await fs.remove(archivePath);
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await fs.mkdirp(archivePath);
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await fs.copyFile(path.join(binariesPath, binaryName), path.join(archivePath, "code-server"));
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await fs.copyFile(path.join(this.rootPath, "README.md"), path.join(archivePath, "README.md"));
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await fs.copyFile(path.join(vscodeSourcePath, "LICENSE.txt"), path.join(archivePath, "LICENSE.txt"));
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await fs.copyFile(path.join(vscodeSourcePath, "ThirdPartyNotices.txt"), path.join(archivePath, "ThirdPartyNotices.txt"));
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if ((await this.target()) === "darwin") {
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await util.promisify(cp.exec)(`zip -r "${binaryName}.zip" "${binaryName}"`, { cwd: releasePath });
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this.log(`Archive: ${archivePath}.zip`);
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} else {
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await util.promisify(cp.exec)(`tar -czf "${binaryName}.tar.gz" "${binaryName}"`, { cwd: releasePath });
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this.log(`Archive: ${archivePath}.tar.gz`);
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}
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}
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}
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const builder = new Builder();
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builder.run(process.argv[2] as Task, process.argv.slice(3));
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