release.yml

name: 'Release'

on:
  workflow_dispatch:

jobs:
  release:
    runs-on: ubuntu-latest 
    if: github.ref == 'refs/heads/master'

    steps:
      
      - name: ⬇️ Download artifacts from latest workflow
        uses: dawidd6/action-download-artifact@v2
        with:
          workflow: build.yml
          workflow_conclusion: success

      - name: 🔍 view artifacts to be used
        run: ls -R
        working-directory: .

      - name: 🔢 prep environment
        run: |
          echo "VERSION=$(cat bin/version.txt)" >> "$GITHUB_ENV"
          grep -m 2 -B 1000 '^## ' bin/release-history.md | tail -n +3 | head -n -2 > release-notes.md
          cat release-notes.md

      - name: Do It!
        run: dotnet nuget push bin/*.nupkg --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate

      # https://github.com/softprops/action-gh-release
      - name: 📦 create release
        uses: softprops/action-gh-release@v1
        if: github.ref == 'refs/heads/master'
        with:
          tag_name: ${{ env.VERSION }}
          name: ${{ env.VERSION }}
          files: |
            bin/*.nupkg
          body_path: release-notes.md
          discussion_category_name: announcements