name: Create distribution files for a new release

on:
  release:
    types: [released]

jobs:
  run:
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - uses: actions/checkout@v3
        # Needed for hatch-vcs to extract LinkChecker version from tag
        # https://github.com/actions/checkout/issues/249
        with:
          fetch-depth: 0

      - name: Install Ubuntu packages
        run: sudo apt install git

      - name: Setup Python
        uses: actions/setup-python@v4

      - name: Install Python packages
        run: >
            pip3 install -U hatchling hatch-vcs polib twine

      - name: Set SOURCE_DATE_EPOCH
        run: >
            echo "SOURCE_DATE_EPOCH=$(git log -n 1 ${{ github.sha }} --format=%ct)" >> $GITHUB_ENV

      - name: Create distribution files
        run: >
            python3 -m hatchling build

      - name: Check distribution files
        run: >
            twine check dist/*

      - name: Calculate checksums for distribution files
        run: >
            sha256sum dist/*

      - name: Add distribution files to release
        run: >
            gh release upload ${{ github.ref_name }} dist/*
        env:
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}