code-server-2/scripts/build.ts

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TypeScript
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import { Binary } from "@coder/nbin";
import * as cp from "child_process";
// import * as crypto from "crypto";
import * as fs from "fs-extra";
import * as os from "os";
import * as path from "path";
import * as util from "util";
enum Task {
/**
* Use before running anything that only works inside VS Code.
*/
EnsureInVscode = "ensure-in-vscode",
Binary = "binary",
Package = "package",
Build = "build",
}
class Builder {
private readonly rootPath = path.resolve(__dirname, "..");
private readonly outPath = process.env.OUT || this.rootPath;
private _target?: "darwin" | "alpine" | "linux";
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private currentTask?: Task;
public run(task: Task | undefined, args: string[]): void {
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this.currentTask = task;
this.doRun(task, args).catch((error) => {
console.error(error.message);
process.exit(1);
});
}
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private async task<T>(message: string, fn: () => Promise<T>): Promise<T> {
const time = Date.now();
this.log(`${message}...`, true);
try {
const t = await fn();
process.stdout.write(`took ${Date.now() - time}ms\n`);
return t;
} catch (error) {
process.stdout.write("failed\n");
throw error;
}
}
/**
* Writes to stdout with an optional newline.
*/
private log(message: string, skipNewline: boolean = false): void {
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process.stdout.write(`[${this.currentTask || "default"}] ${message}`);
if (!skipNewline) {
process.stdout.write("\n");
}
}
private async doRun(task: Task | undefined, args: string[]): Promise<void> {
if (!task) {
throw new Error("No task provided");
}
if (task === Task.EnsureInVscode) {
return process.exit(this.isInVscode(this.rootPath) ? 0 : 1);
}
// If we're inside VS Code assume we want to develop. In that case we should
// set an OUT directory and not build in this directory, otherwise when you
// build/watch VS Code the build directory will be included.
if (this.isInVscode(this.outPath)) {
throw new Error("Should not build inside VS Code; set the OUT environment variable");
}
this.ensureArgument("rootPath", this.rootPath);
this.ensureArgument("outPath", this.outPath);
const arch = this.ensureArgument("arch", os.arch().replace(/^x/, "x86_"));
const target = this.ensureArgument("target", await this.target());
const vscodeVersion = this.ensureArgument("vscodeVersion", args[0]);
const codeServerVersion = this.ensureArgument("codeServerVersion", args[1]);
const vscodeSourcePath = path.join(this.outPath, "source", `vscode-${vscodeVersion}-source`);
const binariesPath = path.join(this.outPath, "binaries");
const binaryName = `code-server${codeServerVersion}-vsc${vscodeVersion}-${target}-${arch}`;
const finalBuildPath = path.join(this.outPath, "build", `${binaryName}-built`);
switch (task) {
case Task.Binary:
return this.binary(finalBuildPath, binariesPath, binaryName);
case Task.Package:
return this.package(vscodeSourcePath, binariesPath, binaryName);
case Task.Build:
return this.build(vscodeSourcePath, vscodeVersion, codeServerVersion, finalBuildPath);
default:
throw new Error(`No task matching "${task}"`);
}
}
/**
* Get the target of the system.
*/
private async target(): Promise<"darwin" | "alpine" | "linux"> {
if (!this._target) {
if (process.env.OSTYPE && /^darwin/.test(process.env.OSTYPE)) {
this._target = "darwin";
} else {
// Alpine's ldd doesn't have a version flag but if you use an invalid flag
// (like --version) it outputs the version to stderr and exits with 1.
const result = await util.promisify(cp.exec)("ldd --version")
.catch((error) => ({ stderr: error.message, stdout: "" }));
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if (/musl/.test(result.stderr) || /musl/.test(result.stdout)) {
this._target = "alpine";
} else {
this._target = "linux";
}
}
}
return this._target;
}
/**
* Make sure the argument is set. Display the value if it is.
*/
private ensureArgument(name: string, arg?: string): string {
if (!arg) {
this.log(`${name} is missing`);
throw new Error("Usage: <vscodeVersion> <codeServerVersion>");
}
this.log(`${name} is "${arg}"`);
return arg;
}
/**
* Return true if it looks like we're inside VS Code. This is used to prevent
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* accidentally building inside VS Code while developing which causes issues
* because the watcher will try compiling those built files.
*/
private isInVscode(pathToCheck: string): boolean {
let inside = false;
const maybeVsCode = path.join(pathToCheck, "../../../");
try {
// If it has a package.json with the right name it's probably VS Code.
inside = require(path.join(maybeVsCode, "package.json")).name === "code-oss-dev";
} catch (error) {}
this.log(
inside
? `Running inside VS Code ([${maybeVsCode}]${path.relative(maybeVsCode, pathToCheck)})`
: "Not running inside VS Code"
);
return inside;
}
/**
* Build code-server within VS Code.
*/
private async build(vscodeSourcePath: string, vscodeVersion: string, codeServerVersion: string, finalBuildPath: string): Promise<void> {
// Install dependencies (should be cached by CI).
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await this.task("Installing code-server dependencies", async () => {
await util.promisify(cp.exec)("yarn", { cwd: this.rootPath });
});
// Download and prepare VS Code if necessary (should be cached by CI).
const exists = fs.existsSync(vscodeSourcePath);
if (exists) {
this.log("Using existing VS Code directory");
} else {
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await this.task("Cloning VS Code", () => {
return util.promisify(cp.exec)(
"git clone https://github.com/microsoft/vscode"
+ ` --quiet --branch "${vscodeVersion}"`
+ ` --single-branch --depth=1 "${vscodeSourcePath}"`);
});
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await this.task("Installing VS Code dependencies", () => {
return util.promisify(cp.exec)("yarn", { cwd: vscodeSourcePath });
});
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await this.task("Building default extensions", () => {
return util.promisify(cp.exec)(
"yarn gulp compile-extensions-build --max-old-space-size=32384",
{ cwd: vscodeSourcePath },
);
});
}
// Clean before patching or it could fail if already patched.
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await this.task("Patching VS Code", async () => {
await util.promisify(cp.exec)("git reset --hard", { cwd: vscodeSourcePath });
await util.promisify(cp.exec)("git clean -fd", { cwd: vscodeSourcePath });
await util.promisify(cp.exec)(`git apply ${this.rootPath}/scripts/vscode.patch`, { cwd: vscodeSourcePath });
});
const serverPath = path.join(vscodeSourcePath, "src/vs/server");
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await this.task("Copying code-server into VS Code", async () => {
await fs.remove(serverPath);
await fs.mkdirp(serverPath);
await Promise.all(["main.js", "node_modules", "src", "typings"].map((fileName) => {
return fs.copy(path.join(this.rootPath, fileName), path.join(serverPath, fileName));
}));
});
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await this.task("Building VS Code", () => {
return util.promisify(cp.exec)("yarn gulp compile-build --max-old-space-size=32384", { cwd: vscodeSourcePath });
});
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await this.task("Optimizing VS Code", async () => {
await fs.copyFile(path.join(this.rootPath, "scripts/optimize.js"), path.join(vscodeSourcePath, "coder.js"));
await util.promisify(cp.exec)(`yarn gulp optimize --max-old-space-size=32384 --gulpfile ./coder.js`, { cwd: vscodeSourcePath });
});
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const { productJson, packageJson } = await this.task("Generating final package.json and product.json", async () => {
const merge = async (name: string, extraJson: { [key: string]: string } = {}): Promise<{ [key: string]: string }> => {
const [aJson, bJson] = (await Promise.all([
fs.readFile(path.join(vscodeSourcePath, `${name}.json`), "utf8"),
fs.readFile(path.join(this.rootPath, `scripts/${name}.json`), "utf8"),
])).map((raw) => {
const json = JSON.parse(raw);
delete json.scripts;
delete json.dependencies;
delete json.devDependencies;
delete json.optionalDependencies;
return json;
});
return { ...aJson, ...bJson, ...extraJson };
};
const date = new Date().toISOString();
const commit = require(path.join(vscodeSourcePath, "build/lib/util")).getVersion(this.rootPath);
const [productJson, packageJson] = await Promise.all([
merge("product", { commit, date }),
merge("package", { codeServerVersion: `${codeServerVersion}-vsc${vscodeVersion}` }),
]);
// We could do this before the optimization but then it'd be copied into
// three files and unused in two which seems like a waste of bytes.
const apiPath = path.join(vscodeSourcePath, "out-vscode/vs/workbench/workbench.web.api.js");
await fs.writeFile(apiPath, (await fs.readFile(apiPath, "utf8")).replace('{ /*BUILD->INSERT_PRODUCT_CONFIGURATION*/}', JSON.stringify({
version: packageJson.version,
codeServerVersion: packageJson.codeServerVersion,
...productJson,
})));
return { productJson, packageJson };
});
if (process.env.MINIFY) {
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await this.task("Minifying VS Code", () => {
return util.promisify(cp.exec)("yarn gulp minify --max-old-space-size=32384 --gulpfile ./coder.js", { cwd: vscodeSourcePath });
});
}
const finalServerPath = path.join(finalBuildPath, "out/vs/server");
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await this.task("Copying into final build directory", async () => {
await fs.remove(finalBuildPath);
await fs.mkdirp(finalBuildPath);
await Promise.all([
fs.copy(path.join(vscodeSourcePath, "remote/node_modules"), path.join(finalBuildPath, "node_modules")),
fs.copy(path.join(vscodeSourcePath, ".build/extensions"), path.join(finalBuildPath, "extensions")),
fs.copy(path.join(vscodeSourcePath, `out-vscode${process.env.MINIFY ? "-min" : ""}`), path.join(finalBuildPath, "out")).then(() => {
return Promise.all([
fs.remove(path.join(finalServerPath, "node_modules")).then(() => {
return fs.copy(path.join(serverPath, "node_modules"), path.join(finalServerPath, "node_modules"));
}),
fs.copy(path.join(finalServerPath, "src/browser/workbench-build.html"), path.join(finalServerPath, "src/browser/workbench.html")),
]);
}),
]);
});
if (process.env.MINIFY) {
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await this.task("Restricting to production dependencies", async () => {
await Promise.all(["package.json", "yarn.lock"].map((fileName) => {
Promise.all([
fs.copy(path.join(this.rootPath, fileName), path.join(finalServerPath, fileName)),
fs.copy(path.join(path.join(vscodeSourcePath, "remote"), fileName), path.join(finalBuildPath, fileName)),
]);
}));
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await Promise.all([finalServerPath, finalBuildPath].map((cwd) => {
return util.promisify(cp.exec)("yarn --production", { cwd });
}));
await Promise.all(["package.json", "yarn.lock"].map((fileName) => {
return Promise.all([
fs.remove(path.join(finalServerPath, fileName)),
fs.remove(path.join(finalBuildPath, fileName)),
]);
}));
});
}
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await this.task("Writing final package.json and product.json", () => {
return Promise.all([
fs.writeFile(path.join(finalBuildPath, "package.json"), JSON.stringify(packageJson, null, 2)),
fs.writeFile(path.join(finalBuildPath, "product.json"), JSON.stringify(productJson, null, 2)),
]);
});
// This is so it doesn't get cached along with VS Code (no point).
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await this.task("Removing copied server", () => fs.remove(serverPath));
// Prepend code to the target which enables finding files within the binary.
const prependLoader = async (relativeFilePath: string): Promise<void> => {
const filePath = path.join(finalBuildPath, relativeFilePath);
const shim = `
if (!global.NBIN_LOADED) {
try {
const nbin = require("nbin");
nbin.shimNativeFs("${finalBuildPath}");
global.NBIN_LOADED = true;
const path = require("path");
const rg = require("vscode-ripgrep");
rg.binaryRgPath = rg.rgPath;
rg.rgPath = path.join(require("os").tmpdir(), "code-server", path.basename(rg.binaryRgPath));
} catch (error) { /* Not in the binary. */ }
}
`;
await fs.writeFile(filePath, shim + (await fs.readFile(filePath, "utf8")));
};
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await this.task("Prepending nbin loader", () => {
return Promise.all([
prependLoader("out/vs/server/main.js"),
prependLoader("out/bootstrap-fork.js"),
prependLoader("extensions/node_modules/typescript/lib/tsserver.js"),
]);
});
// TODO: fix onigasm dep
// # onigasm 2.2.2 has a bug that makes it broken for PHP files so use 2.2.1.
// # https://github.com/NeekSandhu/onigasm/issues/17
// function fix-onigasm() {
// local onigasmPath="${buildPath}/node_modules/onigasm-umd"
// rm -rf "${onigasmPath}"
// git clone "https://github.com/alexandrudima/onigasm-umd" "${onigasmPath}"
// cd "${onigasmPath}" && yarn && yarn add --dev onigasm@2.2.1 && yarn package
// mkdir "${onigasmPath}-temp"
// mv "${onigasmPath}/"{release,LICENSE} "${onigasmPath}-temp"
// rm -rf "${onigasmPath}"
// mv "${onigasmPath}-temp" "${onigasmPath}"
// }
this.log(`Final build: ${finalBuildPath}`);
}
/**
* Bundles the built code into a binary.
*/
private async binary(targetPath: string, binariesPath: string, binaryName: string): Promise<void> {
const bin = new Binary({
mainFile: path.join(targetPath, "out/vs/server/main.js"),
target: await this.target(),
});
bin.writeFiles(path.join(targetPath, "**"));
await fs.mkdirp(binariesPath);
const binaryPath = path.join(binariesPath, binaryName);
await fs.writeFile(binaryPath, await bin.build());
await fs.chmod(binaryPath, "755");
this.log(`Binary: ${binaryPath}`);
}
/**
* Package the binary into a release archive.
*/
private async package(vscodeSourcePath: string, binariesPath: string, binaryName: string): Promise<void> {
const releasePath = path.join(this.outPath, "release");
const archivePath = path.join(releasePath, binaryName);
await fs.remove(archivePath);
await fs.mkdirp(archivePath);
await fs.copyFile(path.join(binariesPath, binaryName), path.join(archivePath, "code-server"));
await fs.copyFile(path.join(this.rootPath, "README.md"), path.join(archivePath, "README.md"));
await fs.copyFile(path.join(vscodeSourcePath, "LICENSE.txt"), path.join(archivePath, "LICENSE.txt"));
await fs.copyFile(path.join(vscodeSourcePath, "ThirdPartyNotices.txt"), path.join(archivePath, "ThirdPartyNotices.txt"));
if ((await this.target()) === "darwin") {
await util.promisify(cp.exec)(`zip -r "${binaryName}.zip" "${binaryName}"`, { cwd: releasePath });
this.log(`Archive: ${archivePath}.zip`);
} else {
await util.promisify(cp.exec)(`tar -czf "${binaryName}.tar.gz" "${binaryName}"`, { cwd: releasePath });
this.log(`Archive: ${archivePath}.tar.gz`);
}
}
}
const builder = new Builder();
builder.run(process.argv[2] as Task, process.argv.slice(3));