SQL Operations Studio Public Preview 1 (0.23) release source code

src/vs/code/node/shellEnv.ts

@@ -0,0 +1,92 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+'use strict';
+
+import * as cp from 'child_process';
+import { assign } from 'vs/base/common/objects';
+import { generateUuid } from 'vs/base/common/uuid';
+import { TPromise } from 'vs/base/common/winjs.base';
+import { isWindows } from 'vs/base/common/platform';
+
+function getUnixShellEnvironment(): TPromise<typeof process.env> {
+	const promise = new TPromise((c, e) => {
+		const runAsNode = process.env['ELECTRON_RUN_AS_NODE'];
+		const noAttach = process.env['ELECTRON_NO_ATTACH_CONSOLE'];
+		const mark = generateUuid().replace(/-/g, '').substr(0, 12);
+		const regex = new RegExp(mark + '(.*)' + mark);
+
+		const env = assign({}, process.env, {
+			ELECTRON_RUN_AS_NODE: '1',
+			ELECTRON_NO_ATTACH_CONSOLE: '1'
+		});
+
+		const command = `'${process.execPath}' -p '"${mark}" + JSON.stringify(process.env) + "${mark}"'`;
+		const child = cp.spawn(process.env.SHELL, ['-ilc', command], {
+			detached: true,
+			stdio: ['ignore', 'pipe', process.stderr],
+			env
+		});
+
+		const buffers: Buffer[] = [];
+		child.on('error', () => c({}));
+		child.stdout.on('data', b => buffers.push(b as Buffer));
+
+		child.on('close', (code: number, signal: any) => {
+			if (code !== 0) {
+				return e(new Error('Failed to get environment'));
+			}
+
+			const raw = Buffer.concat(buffers).toString('utf8');
+			const match = regex.exec(raw);
+			const rawStripped = match ? match[1] : '{}';
+
+			try {
+				const env = JSON.parse(rawStripped);
+
+				if (runAsNode) {
+					env['ELECTRON_RUN_AS_NODE'] = runAsNode;
+				} else {
+					delete env['ELECTRON_RUN_AS_NODE'];
+				}
+
+				if (noAttach) {
+					env['ELECTRON_NO_ATTACH_CONSOLE'] = noAttach;
+				} else {
+					delete env['ELECTRON_NO_ATTACH_CONSOLE'];
+				}
+
+				c(env);
+			} catch (err) {
+				e(err);
+			}
+		});
+	});
+
+	// swallow errors
+	return promise.then(null, () => ({}));
+}
+
+
+let _shellEnv: TPromise<typeof process.env>;
+
+/**
+ * We need to get the environment from a user's shell.
+ * This should only be done when Code itself is not launched
+ * from within a shell.
+ */
+export function getShellEnvironment(): TPromise<typeof process.env> {
+	if (_shellEnv === undefined) {
+		if (isWindows) {
+			_shellEnv = TPromise.as({});
+		} else if (process.env['VSCODE_CLI'] === '1') {
+			_shellEnv = TPromise.as({});
+		} else {
+			_shellEnv = getUnixShellEnvironment();
+		}
+	}
+
+	return _shellEnv;
+}