name: Automatic Desktop Release

on:
  push:
    tags:
    - 'v*'

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout code
      uses: actions/checkout@v2

    - name: Set up JDK 1.8
      uses: actions/setup-java@v1
      with:
        java-version: 1.8

    - name: Grant execute permission for gradlew
      run: chmod +x gradlew

    - name: Build with Gradle
      run: ./gradlew desktop:dist

    - name: Define env vars
      id: vars
      run: |
        echo ::set-output name=jar_file::\
        $(echo ./desktop/build/libs/*.jar)
        echo ::set-output name=version::\
        $(echo ./desktop/build/libs/*.jar | sed 's/.*-\([0-9.]\+\)\.jar/\1/')

    - name: Create release
      id: create_release
      uses: actions/create-release@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        tag_name: ${{ github.ref }}
        release_name: ${{ github.ref }}
        draft: false
        prerelease: false

    - name: Upload release asset
      uses: actions/upload-release-asset@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        upload_url: ${{ steps.create_release.outputs.upload_url }}
        asset_path: ${{ steps.vars.outputs.jar_file }}
        asset_name: Klooni-${{ steps.vars.outputs.version }}.jar
        asset_content_type: application/java-archive