image: nixpkgs/nix-flakes

workflow:
  rules:
    - if: $CI_COMMIT_BRANCH

variables:
  STACK_ROOT: "${CI_PROJECT_DIR}/.stack-root"

cache:
  paths:
    - .stack-work
    - .stack-root
    - _cache

pages:
  stage: deploy
  script: &build-script
    - nix develop -c stack run site -- build
  artifacts:
    paths:
      - public
  rules:
    - if: $CI_COMMIT_BRANCH == "main"

test:
  stage: test
  script: *build-script
  artifacts:
    paths:
      - public
  rules:
    - if: $CI_COMMIT_BRANCH != "main"