.travis.yml

language: node_js
node_js:
  - "10"

branches:
  only:
    - master

env:
  global:
    - Remote_Repository: github.com/experdot/general-engine.git
    - Deployment_Folder: repository_ghpages

cache:
  directories:
    - $HOME/.npm

# Start: Build LifeCycle
install:
  # install npm packages
  - npm install

script:
  # gulp
  - gulp default --env production

  # check if gh-pages branch exists (token is required if origin is private)
  - export BRANCH_EXISTS=$(git ls-remote --heads https://${GitHubToken}@${Remote_Repository} gh-pages)
  - echo $BRANCH_EXISTS

  # create or clone repository
  - if [ -n $BRANCH_EXISTS ]; then
      git init ${Deployment_Folder};
      cd ${Deployment_Folder};
      git checkout -b gh-pages;
      cd ../;
    else
      git clone --depth=1 --branch=gh-pages https://${GitHubToken}@${Remote_Repository} ${Deployment_Folder};
      cd ${Deployment_Folder};
      git checkout gh-pages;
      rm -rf *;
      cd ../;
    fi

  # move distributing files
  - mv ./dist/* ${Deployment_Folder}

after_success:
  - if [ "$TRAVIS_EVENT_TYPE" = "push" ]; then
      cd ${Deployment_Folder};
      git add --force .;
      git commit -m "Deploy from $TRAVIS_BRANCH $TRAVIS_COMMIT. Travis-CI Build No.$TRAVIS_BUILD_NUMBER";
      git push --force "https://${GitHubToken}@${Remote_Repository}" gh-pages:gh-pages;
    fi
# End: Build LifeCycle