language: ruby
cache: bundler
rvm:
- 2.5.3

before_script: bundle install
script: bundle exec jekyll build
exclude: [vendor]
sudo: false

before_deploy:
- sudo apt-get update
- sudo apt install -y lftp
deploy:
  # Deploy on a Github pages
  - provider: pages
    skip_cleanup: true
    github_token: $GITHUB_TOKEN # Set in travis-ci.org dashboard
    local_dir: _site
    repo: jek4wik/jek4wik.github.io
    target_branch: master
    on:
      branch: master
      condition: -n "${GITHUB_TOKEN}"
  # Upload with FTP
  - provider: script
    skip_cleanup: true
    ## sftp is mandatory, ftp is not supported on Travis CI
    ## see https://docs.travis-ci.com/user/common-build-problems/#ftpsmtpother-protocol-does-not-work
    script: lftp sftp://$FTP_USERNAME:$FTP_PASSWORD@$FTP_HOST -e "mirror --reverse --verbose --delete _site/ $FTP_DIR; bye"
    on:
      branch: master
      condition: -n "${FTP_PASSWORD}"