{ host, rpi4, experimental-users ? false }: { config, pkgs, ... }: let m-labs = import (fetchTarball https://nixbld.m-labs.hk/channel/custom/artiq/full/artiq-full/nixexprs.tar.xz) { inherit pkgs; }; in { deployment.targetHost = host; nix.nixPath = [ "nixpkgs=${pkgs.path}" ]; nixpkgs.system = "aarch64-linux"; boot.loader.grub.enable = false; boot.loader.generic-extlinux-compatible.enable = !rpi4; boot.loader.raspberryPi = pkgs.lib.mkIf rpi4 { enable = true; version = 4; }; boot.kernelPackages = if rpi4 then pkgs.linuxPackages_rpi4 else pkgs.linuxPackages_rpi3; hardware.deviceTree.enable = true; hardware.deviceTree.base = pkgs.device-tree_rpi; hardware.deviceTree.overlays = [ "${pkgs.device-tree_rpi.overlays}/rpi-poe.dtbo" ]; fileSystems = if rpi4 then { "/boot" = { device = "/dev/disk/by-label/FIRMWARE"; fsType = "vfat"; }; "/" = { device = "/dev/disk/by-label/NIXOS_SD"; fsType = "ext4"; }; } else { "/" = { device = "/dev/disk/by-label/NIXOS_SD"; fsType = "ext4"; }; }; services.openssh.enable = true; services.openssh.passwordAuthentication = false; services.openssh.gatewayPorts = "clientspecified"; services.openssh.extraConfig = '' StreamLocalBindUnlink yes ''; programs.mosh.enable = true; networking.hostName = host; networking.firewall.allowedTCPPorts = if host == "rpi-2" then [ 6000 ] else []; time.timeZone = "Asia/Hong_Kong"; users.extraGroups.plugdev = { }; users.mutableUsers = false; users.defaultUserShell = pkgs.fish; users.extraUsers = (import ./common-users.nix { inherit pkgs; }) // (pkgs.lib.optionalAttrs experimental-users (import ./experimental-users.nix { inherit pkgs; })) // { nix = { isNormalUser = true; }; }; security.sudo.wheelNeedsPassword = false; services.udev.packages = [ m-labs.openocd ]; services.udev.extraRules = (import ./extra-udev.nix); documentation.enable = false; environment.systemPackages = with pkgs; [ psmisc wget vim git sshfs usbutils uhubctl lm_sensors file telnet mosh tmux xc3sprog m-labs.openocd screen gdb minicom picocom ]; programs.fish.enable = true; programs.wireshark.enable = true; nix.binaryCachePublicKeys = ["nixbld.m-labs.hk-1:5aSRVA5b320xbNvu30tqxVPXpld73bhtOeH6uAjRyHc="]; nix.binaryCaches = ["https://cache.nixos.org" "https://nixbld.m-labs.hk"]; nix.trustedUsers = ["root" "nix"]; }