extensions/git/src/askpass.ts/Askpass/constructor
class Askpass:	constructor(private ipc?: IIPCServer) {
		if (ipc) {
			this.disposable = ipc.registerHandler('askpass', this);
		}

		this.env = {
			GIT_ASKPASS: path.join(__dirname, this.ipc ? 'askpass.sh' : 'askpass-empty.sh'),
			VSCODE_GIT_ASKPASS_NODE: process.execPath,
			VSCODE_GIT_ASKPASS_EXTRA_ARGS: (process.versions['electron'] && process.versions['microsoft-build']) ? '--ms-enable-electron-run-as-node' : '',
			VSCODE_GIT_ASKPASS_MAIN: path.join(__dirname, 'askpass-main.js'),
		};
	}