image: nixpkgs/nix-flakes

workflow:
  rules:
    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
    - if: $CI_MERGE_REQUEST_ID

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

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

stages:
  - review
  - deploy

pages:
  stage: deploy
  script:
    - nix develop -c gup public
  artifacts:
    paths:
      - public
  rules:
    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH

review:start:
  stage: review
  script:
    - rm -fv static/_redirects
    - nix develop -c gup public
  artifacts:
    paths:
      - public
  rules:
    - if: $CI_MERGE_REQUEST_ID
  environment:
    name: preview/${CI_PROJECT_NAME}/${CI_COMMIT_REF_NAME}
    url: https://${CI_PROJECT_NAMESPACE}.pages.uniworx.de/-/${CI_PROJECT_NAME}/-/jobs/${CI_JOB_ID}/artifacts/public/index.html
    auto_stop_in: 2 weeks
    on_stop: review:stop

review:stop:
  stage: review
  rules:
    - if: $CI_MERGE_REQUEST_ID
      when: manual
  allow_failure: true
  environment:
    name: preview/${CI_PROJECT_NAME}/${CI_COMMIT_REF_NAME}
    action: stop
  script:
    - echo 'Terminating review app'