ericsagnes

require 'digest/sha1'
require 'csv'
require 'pp'

class ShaRand

  attr_reader :data

  def initialize
    @data = {}

ericsagnes

# nixos-rebuild build-vm -I nixpkgs=/home/eric/Projects/nixos/nixpkgs -I nixos-config=/tmp/wireguard-conf.nix

{ config, pkgs, ... }:

{
  imports =
    [
      <nixos/modules/installer/scan/not-detected.nix>
    ];
  nix.maxJobs = 4;

ericsagnes

This test the performance of Nix __functor function calls.

Normal function result:

$ perf stat -r 10 -d nix-instantiate --eval ./test.nix -A normal
 Performance counter stats for 'nix-instantiate --eval ./test.nix -A normal' (10 runs):

         91.359343      task-clock (msec)         #    1.002 CPUs utilized            ( +-  2.66% )
                30      context-switches          #    0.329 K/sec                    ( +-  7.95% )

ericsagnes

solr = callPackage ../servers/search/solr { java = jre; };

ericsagnes

$ nix-instantiate --eval test.nix --strict
  { noOrder = [ "lumina" "gnome3" "plasma5" ]; order = [ "gnome3" "plasma5" "lumina" ]; }