defenestrate/default.nix

63 lines
2.2 KiB
Nix

let
pkgs = import <nixpkgs> {};
# copied from nixpkgs/nixos/release.nix. Unfortunately, this isn't exported.
makeNetboot = { modules, system, ... }:
let
configEvaled = import <nixpkgs/nixos/lib/eval-config.nix> {
inherit system modules;
};
build = configEvaled.config.system.build;
kernelTarget = configEvaled.pkgs.stdenv.hostPlatform.linux-kernel.target;
in
pkgs.symlinkJoin {
name = "netboot";
paths = [
build.netbootRamdisk
build.kernel
build.netbootIpxeScript
];
postBuild = ''
mkdir -p $out/nix-support
echo "file ${kernelTarget} ${build.kernel}/${kernelTarget}" >> $out/nix-support/hydra-build-products
echo "file initrd ${build.netbootRamdisk}/initrd" >> $out/nix-support/hydra-build-products
echo "file ipxe ${build.netbootIpxeScript}/netboot.ipxe" >> $out/nix-support/hydra-build-products
'';
preferLocalBuild = true;
};
autoInstall = pkgs.writeShellScriptBin "auto-install"
''
set -e
parted /dev/nvme0n1 -- mklabel gpt
parted /dev/nvme0n1 -- mkpart primary 512MiB 100%
parted /dev/nvme0n1 -- mkpart ESP fat32 1MiB 512MiB
parted /dev/nvme0n1 -- set 2 esp on
mkfs.ext4 -L nixos /dev/nvme0n1p1
mkfs.fat -F 32 -n boot /dev/nvme0n1p2
mount /dev/disk/by-label/nixos /mnt
mkdir -p /mnt/boot
mount /dev/disk/by-label/boot /mnt/boot
nixos-generate-config --root /mnt
cp ${./final}/* /mnt/etc/nixos
nixos-install --no-root-password --flake /mnt/etc/nixos#artiq
'';
customModule = prioNixbld: {
environment.systemPackages = [ autoInstall pkgs.git ];
documentation.info.enable = false; # https://github.com/NixOS/nixpkgs/issues/124215
documentation.man.enable = false;
nix.settings.trusted-public-keys = ["nixbld.m-labs.hk-1:5aSRVA5b320xbNvu30tqxVPXpld73bhtOeH6uAjRyHc="];
nix.settings.substituters = [("https://nixbld.m-labs.hk" + (if prioNixbld then "?priority=10" else ""))];
system.stateVersion = pkgs.lib.trivial.release;
};
in
{ prioNixbld ? false }: makeNetboot {
modules = [
<nixpkgs/nixos/modules/installer/netboot/netboot-minimal.nix>
(customModule prioNixbld)
];
system = "x86_64-linux";
}