environment - consistently handle VSCODE_CWD in all our node.js processes

src/bootstrap-node.js

@@ -6,6 +6,41 @@
 //@ts-check
 'use strict';
 
+// Setup current working directory in all our node & electron processes
+// - Windows: call `process.chdir()` to always set application folder as cwd
+// -   Posix: allow to change the current working dir via `VSCODE_CWD` if defined
+// -  all OS: store the `process.cwd()` inside `VSCODE_CWD` for consistent lookups
+function setupCurrentWorkingDirectory() {
+	const path = require('path');
+
+	try {
+		let cwd = process.env['VSCODE_CWD'];
+
+		// remember current working directory in environment
+		// unless it was given to us already from outside
+		if (typeof cwd !== 'string') {
+			cwd = process.cwd();
+			process.env['VSCODE_CWD'] = cwd;
+		}
+
+		// Windows: always set application folder as current working dir
+		if (process.platform === 'win32') {
+			process.chdir(path.dirname(process.execPath));
+		}
+
+		// Linux/macOS: allow to change current working dir based on env
+		else {
+			if (cwd !== process.cwd()) {
+				process.chdir(cwd);
+			}
+		}
+	} catch (err) {
+		console.error(err);
+	}
+}
+
+setupCurrentWorkingDirectory();
+
 /**
  * Add support for redirecting the loading of node modules
  *