name: Automatic merge from upstream

on:
  schedule:
    # * is a special character in YAML so you have to quote this string
    - cron: '0 0 * * *'

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v1
    - name: Sync upstream changes every day
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        GITHUB_ACTOR: ${{ github.actor }}
        GITHUB_REPO: ${{ github.repository }}
      run: |
        REMOTE_REPO="rakr/vim-one"
        git config user.email "actions@github.com"
        git config user.name "GitHub Merge Action"
        git checkout master
        git remote set-url origin "https://$GITHUB_ACTOR:$GITHUB_TOKEN@github.com/$GITHUB_REPO"
        git remote add upstream "https://github.com/$REMOTE_REPO"
        git fetch upstream
        git merge upstream/master
        git remote rm upstream
        git push origin HEAD:master