release.yml

name: Deploy

on:
  push:
    branches:
      - main

jobs:
  deploy:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Set up Python
        uses: actions/setup-python@v2
        with:
          python-version: 3

      - name: Install dependencies
        run: |
          pip install hatch twine

      - name: Set DATE variable
        run: echo "DATE=$(date +%Y.%-m.%-d)" >> $GITHUB_ENV

      - name: Display date
        run: echo "date ${{ env.DATE }}"

      - name: Set initial TAG_NUMBER
        run: echo "TAG_NUMBER=1" >> $GITHUB_ENV

      - name: Get last tag
        id: get_last_tag
        run: echo "LAST_TAG=$(git describe --tags --abbrev=0)" >> $GITHUB_ENV

      - name: Display last tag
        run: echo "last tag ${{ env.LAST_TAG }}"

      - name: Determine new tag
        run: |
          if [[ "${{ env.LAST_TAG }}" == *"${{ env.DATE }}"* ]]; then
            echo "is today"
            echo "${{ env.LAST_TAG##*. }}"
            echo "TAG_NUMBER=$((${{ env.LAST_TAG##*. }} + 1))" >> $GITHUB_ENV
          fi
          echo "NEW_TAG=${{ env.DATE }}.${{ env.TAG_NUMBER }}" >> $GITHUB_ENV

      - name: Display new tag
        run: echo "Creating tag ${{ env.NEW_TAG }}"

      - name: Create and push tag
        run: |
          git tag "${{ env.NEW_TAG }}"
          git push origin "${{ env.NEW_TAG }}"

      - name: Update version with hatch
        run: hatch version ${{ env.NEW_TAG }}

      - name: Build with hatch
        run: hatch build

      - name: Upload to PyPI
        env:
          TWINE_USERNAME: ${{ secrets.TWINE_USERNAME }}
          TWINE_PASSWORD: ${{ secrets.TWINE_PASSWORD }}
        run: twine upload dist/*