name: Publish
on:
  push:
    tags:
      - '*'
jobs:
  build:
    runs-on: ubuntu-latest
    outputs:
      hash: ${{ steps.hash.outputs.hash }}
    steps:
      - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
      - uses: actions/setup-python@bd6b4b6205c4dbad673328db7b31b7fab9e241c0
        with:
          python-version: '3.x'
          cache: 'pip'
          cache-dependency-path: 'requirements/*.txt'
      - run: pip install -r requirements/build.txt
      # Use the commit date instead of the current date during the build.
      - run: echo "SOURCE_DATE_EPOCH=$(git log -1 --pretty=%ct)" >> $GITHUB_ENV
      - run: python -m build
      # Generate hashes used for provenance.
      - name: generate hash
        id: hash
        run: cd dist && echo "hash=$(sha256sum * | base64 -w0)" >> $GITHUB_OUTPUT
      - uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce
        with:
          path: ./dist
  provenance:
    needs: ['build']
    permissions:
      actions: read
      id-token: write
      contents: write
    # Can't pin with hash due to how this workflow works.
    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@v1.7.0
    with:
      base64-subjects: ${{ needs.build.outputs.hash }}
  create-release:
    # Upload the sdist, wheels, and provenance to a GitHub release. They remain
    # available as build artifacts for a while as well.
    needs: ['provenance']
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/download-artifact@9bc31d5ccc31df68ecc42ccf4149144866c47d8a
      - name: create release
        run: >
          gh release create --draft --repo ${{ github.repository }}
          ${{ github.ref_name }}
          *.intoto.jsonl/* artifact/*
        env:
          GH_TOKEN: ${{ github.token }}
  publish-pypi:
    needs: ['provenance']
    # Wait for approval before attempting to upload to PyPI. This allows reviewing the
    # files in the draft release.
    environment: 'publish'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/download-artifact@9bc31d5ccc31df68ecc42ccf4149144866c47d8a
      # Try uploading to Test PyPI first, in case something fails.
      - uses: pypa/gh-action-pypi-publish@f5622bde02b04381239da3573277701ceca8f6a0
        with:
          password: ${{ secrets.TEST_PYPI_TOKEN }}
          repository_url: https://test.pypi.org/legacy/
          packages_dir: artifact/
      - uses: pypa/gh-action-pypi-publish@f5622bde02b04381239da3573277701ceca8f6a0
        with:
          password: ${{ secrets.PYPI_TOKEN }}
          packages_dir: artifact/
