release.yml

# Whenever a commit is pushed with a non-snapshot version (no "-SNAPSHOT" suffix), this job will create a new
# GitHub release. Additionally, it will increment the version by one patch level, append a "-SNAPSHOT" suffix, and
# commit + push it (e.g., "2.3.4" -> "2.3.5-SNAPSHOT").
name: Release and Update
on:
  push:
    branches:
      - 'master'
jobs:
  release:
    name: Create Release
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Code
        uses: actions/checkout@v2
      - name: Read Version
        id: read-version
        run: |
          version=`cat gradle.properties | sed -n "s/^.*version\s*=\s*\(\S*\).*$/\1/p"`
          echo "::set-output name=version::$version"
      - name: Create Release
        if: ${{ !endsWith(steps.read-version.outputs.version, 'SNAPSHOT') }}
        id: create_release
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: v${{ steps.read-version.outputs.version }}
          release_name: Release ${{ steps.read-version.outputs.version }}
          body: |
            Version ${{ steps.read-version.outputs.version }}
          draft: true
          prerelease: false
      - name: Update Version
        if: ${{ !endsWith(steps.read-version.outputs.version, 'SNAPSHOT') }}
        run: |
          ./gradlew test incrementVersion
          git config --global user.name 'github-actions[bot]'
          git config --global user.email '41898282+github-actions[bot]@users.noreply.github.com'
          git add gradle.properties
          git commit -am "Increment patch version and append -SNAPSHOT suffix"
          git push