image: ruby:2.5

stages:
  - build
  - package
  - deploy

cache:
  paths:
  - vendor/

build:
  stage: build
  before_script:
  - bundle install
  script:
  - echo "Build with Jekyll"
  - bundle exec jekyll build --destination public
  artifacts:
    paths:
    - public
    expire_in: 10 minutes

package:
  stage: package
  script:
  - echo "Package downloadable wiki"
  - tar -zcvf wiki.tar.gz public
  artifacts:
    paths:
    - wiki.tar.gz

upload:
  stage: deploy
  before_script:
  - apt-get update
  - apt install -y lftp
  script:
  - echo "Upload to $FTP_HOST"
  # ftp and sftp are both supported in GitLab CI
  - lftp ftp://$FTP_USERNAME:$FTP_PASSWORD@$FTP_HOST -e "set sftp:auto-confirm true; set ftp:use-utf8 false; mirror --reverse --verbose --delete public/ $FTP_DIR; bye"
  only:
    refs: 
    - master
    variables:
    - $FTP_PASSWORD
    - $FTP_USERNAME
    - $FTP_HOST
    - $FTP_DIR

pages: # Job name cannot be changed; see https://docs.gitlab.com/ee/user/project/pages/getting_started_part_four.html#job
  stage: deploy
  script:
  - echo "Deploy to pages"
  artifacts:
    paths:
    - public
  only:
  - master