release.yml

---
name: Release

on:
  push:
    tags:
      - '*'
  workflow_dispatch:

jobs:
  release:
    name: Release
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-go@v3
        with:
          go-version: "1.19.4"
      - name: Install mustache processor
        run: go install github.com/cbroglie/mustache/cmd/mustache@latest
      - name: Install pandoc
        uses: r-lib/actions/setup-pandoc@v2
        with:
          pandoc-version: "2.19.2"
      - name: Add meterials link to settings
        run: echo "${{ format('release{0}', ':') }} ${{ github.ref_name }}" >> settings.yml
      - name: Build materials
        run: make
      - name: Build Welcome email
        run: mustache settings.yml WELCOME.md > welcome.md
      - name: Create draft release
        uses: softprops/action-gh-release@v1
        with:
          tag_name: ${{ github.ref_name }}
          name: ${{ github.ref_name }}
          prerelease: false
          draft: true
          body_path: welcome.md
          files: |
            materials.zip
      - name: Save materials
        uses: actions/upload-artifact@v3
        with:
          name: materials
          path: materials.zip

  create_release_branch:
    name: Release branch
    runs-on: ubuntu-latest
    needs: release
    steps:
      - name: Download materials
        uses: actions/download-artifact@v3
        with:
          name: materials
      - shell: bash
        run: |
          unzip materials.zip
          rm materials.zip
          find ./ -type f -name '*.ipynb' -exec sed -i -e 's/attachment\://g' {} \;
      - name: Publish
        uses: peaceiris/actions-gh-pages@v3
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_branch: ${{ github.ref_name }}
          publish_dir: .
          force_orphan: true

...