name: Create release on tag

on:
  workflow_dispatch:
  push:
    # Sequence of patterns matched against refs/tags
    tags:
      - '[0-9]+*'

jobs:
  release:
    name: Create Release
    runs-on: ubuntu-latest
    outputs:
      upload_url: ${{ steps.create_release.outputs.upload_url }}
    steps:
      - uses: actions/checkout@v2
      - name: Release changelog
        run: .github/workflows/gen_release.pl body_file.tmp

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