.github/workflows/release.yml

name: Release turbine

on:
  workflow_dispatch:
    inputs:
      version:
        description: "version number for this release."
        required: true

jobs:
  build-maven-jars:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:         
      - name: Checkout
        uses: actions/checkout@v2.4.0

      - name: Set up JDK
        uses: actions/setup-java@v2.5.0
        with:
          java-version: 11
          distribution: 'zulu'
          cache: 'maven'
          server-id: sonatype-nexus-staging
          server-username: CI_DEPLOY_USERNAME
          server-password: CI_DEPLOY_PASSWORD
          gpg-private-key: ${{ secrets.GPG_SIGNING_KEY }}
          gpg-passphrase: MAVEN_GPG_PASSPHRASE
     
      - name: Bump Version Number
        run: |
          mvn --no-transfer-progress versions:set versions:commit -DnewVersion="${{ github.event.inputs.version }}"
          git ls-files | grep 'pom.xml$' | xargs git add
          git config --global user.email "${{ github.actor }}@users.noreply.github.com"
          git config --global user.name "${{ github.actor }}"
          git commit -m "Release turbine ${{ github.event.inputs.version }}"
          git tag "v${{ github.event.inputs.version }}"
          echo "TARGET_COMMITISH=$(git rev-parse HEAD)" >> $GITHUB_ENV
          git remote set-url origin https://${{ github.actor }}:${{ secrets.GITHUB_TOKEN }}@github.com/google/turbine.git
          
      - name: Deploy to Sonatype staging
        env:
          CI_DEPLOY_USERNAME: ${{ secrets.CI_DEPLOY_USERNAME }}
          CI_DEPLOY_PASSWORD: ${{ secrets.CI_DEPLOY_PASSWORD }}
          GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
        run:
          mvn --no-transfer-progress -P sonatype-oss-release clean deploy -Dgpg.passphrase="${{ secrets.GPG_PASSPHRASE }}"

      - name: Push tag
        run: |
          git push origin "v${{ github.event.inputs.version }}"
          
      - name: Add Jars to Release Entry
        uses: softprops/action-gh-release@v0.1.14
        with:
          draft: true
          name: ${{ github.event.input.version }} 
          tag_name: "v${{ github.event.inputs.version }}"
          target_commitish: ${{ env.TARGET_COMMITISH }}
          files: |
            target/turbine-*.jar