Ah yeah sorry about that, there's been a change to artiq-extrapkg. Try adding the following lines to your flake:
inputs.daxpkgs = {
url = git+https://gitlab.com/duke-artiq/dax.git;
inputs = {
artiqpkgs.follows = "artiq";
nixpkgs.follows = "artiq/nixpkgs";
sipyco.follows = "artiq/sipyco";
};
};
inputs.extrapkg.inputs.daxpkgs.follows = "daxpkgs";
You'll also need to add daxpkgs to the output arguments:
outputs = { self, artiq, extrapkg, daxpkgs }:
Sorry about the verbosity -- less verbose approaches aren't working for me