add back node --experimental-repl-await to mongosh bin file

packages/cli-repl/.eslintignore

@@ -1,2 +1,3 @@
 node_modules
+bin
 lib

packages/cli-repl/bin/mongosh.js

@@ -1,4 +1,5 @@
-#!/usr/bin/env node
+#!/bin/sh
+':' //; node --experimental-repl-await "$0" "$@"
 
 /* eslint no-console: 0, no-new: 0*/
 const { CliRepl, parseCliArgs, mapCliToDriver, generateUri, USAGE } = require('../lib');

packages/cli-repl/test/e2e.spec.ts

@@ -72,6 +72,14 @@ describe('e2e', function() {
       });
     });
 
+    it('does not throw for a repl await function', async() => {
+      shell.stdio.stdin.write('await Promise.resolve(\'Nori-cat\');');
+
+      await eventually(() => {
+        expect(shell.stdio.stderr).to.be.equal('');
+      });
+    });
+
     it('runs an unterminated function', async() => {
       shell.stdio.stdin.write('function x () {\nconsole.log(\'y\')\n }\n');