depot/ops/nixos/default.nix

{ depot, lib, pkgs, ... }@args:
let
  inherit (builtins) foldl' mapAttrs;
  baseModule = name: { ... }: {
    _module.args = args // {
      rebuilder = rebuilder name;
    };
  };
  systemFor = systemName: config:
    (depot.third_party.nixeval {
      system = builtins.currentSystem;
      modules = [ (baseModule systemName) (args: { imports = [ lib/common.nix config ]; }) ];
    }).config.system.build.toplevel;
  systems = [ "porcorosso" "ixvm-fra01" "marukuru" "clouvider-fra01" ];
  rebuilder = system:
    pkgs.writeShellScriptBin "rebuilder" ''
      set -ue
      if [[ $EUID -ne 0 ]]; then
        exec sudo "$0" "$@"
      fi

      system="$(nix-build -E '(import <depot> {}).ops.nixos.${system}' --no-out-link)"
      nix-env -p /nix/var/nix/profiles/system --set "$system"
      "$system/bin/switch-to-configuration" switch
    '';
  systemCfgs = lib.genAttrs systems
    (name: import (./. + "/${name}"));
  systemDrvs = mapAttrs systemFor systemCfgs;
in systemDrvs