onebutton.r: init

krebs/1systems/onebutton/config.nix

@@ -0,0 +1,32 @@
+{ config, pkgs, lib, ... }:
+{
+  imports = [
+    <stockholm/krebs>
+  ];
+  # NixOS wants to enable GRUB by default
+  boot.loader.grub.enable = false;
+  # Enables the generation of /boot/extlinux/extlinux.conf
+  boot.loader.generic-extlinux-compatible.enable = true;
+
+  # !!! If your board is a Raspberry Pi 1, select this:
+  boot.kernelPackages = pkgs.linuxPackages_rpi;
+
+  nix.binaryCaches = [ "http://nixos-arm.dezgeg.me/channel" ];
+  nix.binaryCachePublicKeys = [ "nixos-arm.dezgeg.me-1:xBaUKS3n17BZPKeyxL4JfbTqECsT+ysbDJz29kLFRW0=%" ];
+
+  # !!! Needed for the virtual console to work on the RPi 3, as the default of 16M doesn't seem to be enough.
+  # boot.kernelParams = ["cma=32M"];
+
+  fileSystems = {
+    "/boot" = {
+      device = "/dev/disk/by-label/NIXOS_BOOT";
+      fsType = "vfat";
+    };
+    "/" = {
+      device = "/dev/disk/by-label/NIXOS_SD";
+      fsType = "ext4";
+    };
+  };
+
+  swapDevices = [ { device = "/swapfile"; size = 1024; } ];
+}

krebs/1systems/onebutton/source.nix

@@ -0,0 +1,11 @@
+let
+  pkgs = import <nixpkgs> {};
+in import <stockholm/krebs/source.nix> {
+  name = "onebutton";
+  nixpkgs.file = pkgs.fetchFromGitHub {
+    owner = "nixos";
+    repo = "nixpkgs-channels";
+    rev = "6c064e6b"; # only binary cache for unstable arm6
+    sha256 = "0ssaaaaaaaaaaaawkgjk8c75mvhgn5z7g1dkb78r8vrih9428bb8";
+  };
+}