Merge from vscode a234f13c45b40a0929777cb440ee011b7549eed2 (#8911)

* Merge from vscode a234f13c45b40a0929777cb440ee011b7549eed2

* update distro

* fix layering

* update distro

* fix tests

src/vs/platform/environment/node/stdin.ts

@@ -0,0 +1,56 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+/**
+ * This code is also used by standalone cli's. Avoid adding dependencies to keep the size of the cli small.
+ */
+import * as paths from 'vs/base/common/path';
+import * as fs from 'fs';
+import * as os from 'os';
+import { resolveTerminalEncoding } from 'vs/base/node/terminalEncoding';
+
+export function hasStdinWithoutTty() {
+	try {
+		return !process.stdin.isTTY; // Via https://twitter.com/MylesBorins/status/782009479382626304
+	} catch (error) {
+		// Windows workaround for https://github.com/nodejs/node/issues/11656
+	}
+	return false;
+}
+
+export function stdinDataListener(durationinMs: number): Promise<boolean> {
+	return new Promise(c => {
+		const dataListener = () => c(true);
+
+		// wait for 1s maximum...
+		setTimeout(() => {
+			process.stdin.removeListener('data', dataListener);
+
+			c(false);
+		}, durationinMs);
+
+		// ...but finish early if we detect data
+		process.stdin.once('data', dataListener);
+	});
+}
+
+export function getStdinFilePath(): string {
+	return paths.join(os.tmpdir(), `code-stdin-${Math.random().toString(36).replace(/[^a-z]+/g, '').substr(0, 3)}.txt`);
+}
+
+export function readFromStdin(targetPath: string, verbose: boolean): Promise<any> {
+	// open tmp file for writing
+	const stdinFileStream = fs.createWriteStream(targetPath);
+	// Pipe into tmp file using terminals encoding
+	return resolveTerminalEncoding(verbose).then(async encoding => {
+
+		const iconv = await import('iconv-lite');
+		if (!iconv.encodingExists(encoding)) {
+			console.log(`Unsupported terminal encoding: ${encoding}, falling back to UTF-8.`);
+			encoding = 'utf8';
+		}
+		const converterStream = iconv.decodeStream(encoding);
+		process.stdin.pipe(converterStream).pipe(stdinFileStream);
+	});
+}