stages:
  - lint
  - build
  - deploy

# Set any required environment variables here
variables:
  RUST_BACKTRACE: FULL

.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
  - attic watch-store skynet-cache &

.build_template: &nix
  tags:
    - nix
  before_script:
    - *scripts_cache
      
.rules_template: &rules
  rules:
    - if: $CI_COMMIT_TAG
      when: never
    - changes:
        - src/**/*
        - Cargo.*
      when: always

# clippy and fmt are magic
# runs on all commits/branches
lint-clippy:
  stage: lint
  <<: *nix
  <<: *rules
  script:
    - nix --extra-experimental-features "nix-command flakes" build --verbose .#clippy

lint-fmt:
  stage: lint
  <<: *nix
  <<: *rules
  script:
    - nix --extra-experimental-features "nix-command flakes" build --verbose .#fmt


# has to actually compile
build:
  stage: build
  <<: *nix
  script:
    - nix --extra-experimental-features "nix-command flakes" build --verbose
  rules:
    - if: $CI_COMMIT_TAG
      when: never
    - changes:
        - src/**/*
        - Cargo.*
      when: on_success


# from https://docs.gitlab.com/ee/ci/pipelines/multi_project_pipelines.html
# so simple to deploy now
nixos:
  stage: deploy
  variables:
    PACKAGE_NAME: "skynet_discord_bot"
    UPDATE_FLAKE: "yes"
  trigger: compsoc1/skynet/nixos
  rules:
    - if: $CI_COMMIT_TAG
      when: never
    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
      when: on_success