local Volume = { name: 'site', path: '/site' };
local NetlifyStep(env, prod) = {
  name: 'netlify deploy ' + env,
  image: 'internetmat/drone-netlify',
  volumes: [Volume],
  settings: {
    token: { from_secret: 'netlify_token' },
    site: { from_secret: 'netlify_site_id' },
    path: '/site',
    prod: prod,
  },
  when: if prod then {
    event: ['promote'],
    target: ['prod'],
  } else {
    target: { exclude: ['prod'] },
  },
};
{
  kind: 'pipeline',
  type: 'docker',
  name: 'default',

  environment: {
    NIX: 'nix --extra-experimental-features nix-command --extra-experimental-features flakes',
  },

  volumes: [{ name: 'site', temp: {} }],

  steps: [
    {
      name: 'nix build',
      image: 'nixos/nix',
      volumes: [Volume],
      commands: [
        '$NIX build',
        'cp -r result/* /site/',
      ],
    },
    NetlifyStep('staging', false),
    NetlifyStep('prod', true),
  ],
}