install: also install mongodb tools

install/install.js

@@ -167,6 +167,13 @@ To disable this feature, checkout our sourcecode.`);
             `nix-env -iA hydro.mongodb${avx2 ? 5 : 4}${CN ? '-cn' : ''}`,
         ],
     },
+    {
+        init: 'install.mongodb-tools',
+        skip: () => !exec('mongoexport --version').code,
+        operations: [
+            'nix-env -iA nixpkgs.mongodb-tools',
+        ],
+    },
     {
         init: 'install.mongo',
         skip: () => !exec('mongo --version').code,