image: python:3.8-buster

before_script:
  - apt-get update -y
  - apt-get install -y rsync
  - pip install -r requirements.txt

  ## Install ssh-agent if not already installed, it is required by Docker.
  - 'command -v ssh-agent >/dev/null || ( apt-get update -y && apt-get install openssh-client -y )'

  ## Run ssh-agent (inside the build environment)
  - eval $(ssh-agent -s)

  ## Add the SSH key stored in SSH_PRIVATE_KEY variable to the agent store
  ## We're using tr to fix line endings which makes ed25519 keys work
  ## without extra base64 encoding.
  ## https://gitlab.com/gitlab-examples/ssh-private-key/issues/1#note_48526556
  - echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add -

  ## Create the SSH directory and give it the right permissions
  - mkdir -p ~/.ssh
  - chmod 700 ~/.ssh

  - echo "$SSH_KNOWN_HOSTS" >> ~/.ssh/known_hosts
  - chmod 644 ~/.ssh/known_hosts

test:
  stage: test
  script:
  - mkdocs build --strict --verbose --site-dir test
  except:
  - master

pages:
  stage: deploy
  script:
  - mkdocs build --strict --verbose
  - rsync -e 'ssh -v -p 2222' -aglpPrtvz --delete site/ "drive@herbert.ugent.be:/home/drive/public/"
  only:
  - master
  - mkdocs