stages:
  - deploy

default:
  image: debian:stable-slim

variables:
  # The runner will be able to pull your Zola theme when the strategy is
  # set to "recursive".
  GIT_SUBMODULE_STRATEGY: "recursive"

  # If you don't set a version here, your site will be built with the latest
  # version of Zola available in GitHub releases.
  # Use the semver (x.y.z) format to specify a version. For example: "0.17.2" or "0.18.0".
  ZOLA_VERSION:
    description: "The version of Zola used to build the site."
    value: ""

pages:
  stage: deploy
  script:
    - |
      apt-get update --assume-yes && apt-get install --assume-yes --no-install-recommends wget ca-certificates
      if [ $ZOLA_VERSION ]; then
        zola_url="https://github.com/getzola/zola/releases/download/v$ZOLA_VERSION/zola-v$ZOLA_VERSION-x86_64-unknown-linux-gnu.tar.gz"
        if ! wget --quiet --spider $zola_url; then
          echo "A Zola release with the specified version could not be found.";
          exit 1;
        fi
      else
        github_api_url="https://api.github.com/repos/getzola/zola/releases/latest"
        zola_url=$(
          wget --output-document - $github_api_url |
          grep "browser_download_url.*linux-gnu.tar.gz" |
          cut --delimiter : --fields 2,3 |
          tr --delete "\" "
        )
      fi
      wget $zola_url
      tar -xzf *.tar.gz
      ./zola build

  artifacts:
    paths:
      # This is the directory whose contents will be deployed to the GitLab Pages
      # server.
      # GitLab Pages expects a directory with this name by default.
      - public

  rules:
    # This rule makes it so that your website is published and updated only when
    # you push to the default branch of your repository (e.g. "master" or "main").
    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH