# from https://docs.gitlab.com/ee/ci/pipelines/multi_project_pipelines.html

# only a deploy stage
stages:
  - build
  - deploy

.scripts_base: &scripts_base
  - nix --extra-experimental-features 'nix-command flakes' profile install nixpkgs#bash

.scripts_cache: &scripts_cache
  - nix --extra-experimental-features 'nix-command flakes' profile install nixpkgs#attic-client
  - attic login skynet https://nix-cache.skynet.ie/ $CACHE_KEY
  - attic use skynet-cache

build:
  tags:
    - nix
  before_script:
    - *scripts_base
    - *scripts_cache
  stage: build

  # when it runs
  rules:
    - if: '$CI_PROJECT_NAMESPACE == "compsoc1/compsoc/presentations" && $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH'
      changes:
        - src/**/*

  # what it runs
  script:
    # cache any dependencies
    - attic watch-store skynet-cache &
    - nix --extra-experimental-features 'nix-command flakes' build


nixos:
  stage: deploy
  variables:
    PACKAGE_NAME: "compsoc_public"
    UPDATE_FLAKE: "yes"
  trigger: compsoc1/skynet/nixos
  only:
    refs:
      - main