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/*---------------------------------------------------------------------------------------------

* Copyright (c) Microsoft Corporation. All rights reserved.

* Licensed under the MIT License. See License.txt in the project root for license information.

*--------------------------------------------------------------------------------------------*/

import es from 'event-stream';

import { gulp, gunzip } from './lib/gulp/facade.ts';

import * as path from 'path';

import fancyLog from 'fancy-log';

import ansiColors from 'ansi-colors';

import * as cp from 'child_process';

import { tmpdir } from 'os';

import { existsSync, mkdirSync, rmSync } from 'fs';

import * as task from './lib/gulp/task.ts';

import watcher from './lib/watch/index.ts';

import { debounce, untar } from './lib/util.ts';

import { createReporter } from './lib/reporter.ts';

const root = 'cli';

const rootAbs = path.resolve(import.meta.dirname, '..', root);

const src = `${root}/src`;

const platformOpensslDirName =

process.platform === 'win32' ? (

process.arch === 'arm64'

? 'arm64-windows-static-md'

: 'x64-windows-static-md')

: process.platform === 'darwin' ? (

process.arch === 'arm64'

? 'arm64-osx'

: 'x64-osx')

: (process.arch === 'arm64'

? 'arm64-linux'

: process.arch === 'arm'

? 'arm-linux'

: 'x64-linux');

const platformOpensslDir = path.join(rootAbs, 'openssl', 'package', 'out', platformOpensslDirName);

const hasLocalRust = (() => {

let result: boolean | undefined = undefined;

return () => {

if (result !== undefined) {

return result;

}

try {

const r = cp.spawnSync('cargo', ['--version']);

result = r.status === 0;

} catch (e) {

result = false;

}

return result;

};

})();

const compileFromSources = (callback: (err?: string) => void) => {

const proc = cp.spawn('cargo', ['--color', 'always', 'build'], {

cwd: root,

stdio: ['ignore', 'pipe', 'pipe'],

env: existsSync(platformOpensslDir) ? { OPENSSL_DIR: platformOpensslDir, ...process.env } : process.env

});

const stdoutErr: Buffer[] = [];

proc.stdout.on('data', d => stdoutErr.push(d));

proc.stderr.on('data', d => stdoutErr.push(d));

proc.on('error', callback);

proc.on('exit', code => {

if (code !== 0) {

callback(Buffer.concat(stdoutErr).toString());

} else {

callback();

}

});

};

const acquireBuiltOpenSSL = (callback: (err?: unknown) => void) => {

const dir = path.join(tmpdir(), 'vscode-openssl-download');

mkdirSync(dir, { recursive: true });

cp.spawnSync(

process.platform === 'win32' ? 'npm.cmd' : 'npm',

['pack', '@vscode/openssl-prebuilt'],

{ stdio: ['ignore', 'ignore', 'inherit'], cwd: dir }

);

gulp.src('*.tgz', { cwd: dir })

.pipe(gunzip())

.pipe(untar())

.pipe(gulp.dest(`${root}/openssl`))

.on('error', callback)

.on('end', () => {

rmSync(dir, { recursive: true, force: true });

callback();

});

};

const compileWithOpenSSLCheck = (reporter: import('./lib/reporter.ts').IReporter) => es.map((_, callback) => {

compileFromSources(err => {

if (!err) {

// no-op

} else if (err.toString().includes('Could not find directory of OpenSSL installation') && !existsSync(platformOpensslDir)) {

fancyLog(ansiColors.yellow(`[cli]`), 'OpenSSL libraries not found, acquiring prebuilt bits...');

acquireBuiltOpenSSL(err => {

if (err) {

callback(err as Error);

} else {

compileFromSources(err => {

if (err) {

reporter(err.toString());

}

callback(undefined, '');

});

}

});

} else {

reporter(err.toString());

}

callback(undefined, '');

});

});

const warnIfRustNotInstalled = () => {

if (!hasLocalRust()) {

fancyLog(ansiColors.yellow(`[cli]`), 'No local Rust install detected, compilation may fail.');

fancyLog(ansiColors.yellow(`[cli]`), 'Get rust from: https://rustup.rs/');

}

};

const compileCliTask = task.define('compile-cli', () => {

warnIfRustNotInstalled();

const reporter = createReporter('cli');

return gulp.src(`${root}/Cargo.toml`)

.pipe(compileWithOpenSSLCheck(reporter))

.pipe(reporter.end(true));

});

const watchCliTask = task.define('watch-cli', () => {

warnIfRustNotInstalled();

return watcher(`${src}/**`, { read: false })

.pipe(debounce(compileCliTask as task.StreamTask));

});

task.task(compileCliTask);

task.task(watchCliTask);