@@ -39,6 +39,24 @@ Inside that is bin/nixos-test-driver which gives you a kind of REPL for interact
The kind of `Perl in this testScript <https://github.com/PrivateStorageio/PrivateStorageio/blob/78881a3/nixos/modules/tests/private-storage.nix#L180>`_ is what you can enter into this REPL.
Consult the `official documentation on NixOS Tests <https://nixos.org/manual/nixos/stable/index.html#sec-nixos-tests>`_ for more information.
Updatings Pins
--------------
Nixpkgs
```````
To update the version of NixOS we deploy with, run:
.. code: shell
nix-shell --command 'tools/update-nixpkgs'
That will update ``nixpkgs-2015.json`` to the latest release on the nixos-21.05 channel.
To update the channel, the script will need to be updated,
along with the filenames that have the channel in them.