release.yml

name: Auto-release on version bump

permissions:
  contents: write

on:
  push:
    branches: [main]
    paths:
      - 'anton/__init__.py'
  workflow_dispatch:

concurrency:
  group: auto-release-${{ github.ref }}
  cancel-in-progress: false

jobs:
  auto-release:
    runs-on: ubuntu-latest
    outputs:
      tag: ${{ steps.version.outputs.tag }}
      created: ${{ steps.tag_check.outputs.exists == 'false' }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Read __version__ from anton/__init__.py
        id: version
        run: |
          PKG_VERSION=$(grep -oE '__version__\s*=\s*"[^"]+"' anton/__init__.py | grep -oE '"[^"]+"' | tr -d '"')
          if [ -z "${PKG_VERSION}" ]; then
            echo "::error::Could not parse __version__ from anton/__init__.py"
            exit 1
          fi
          echo "version=${PKG_VERSION}" >> "$GITHUB_OUTPUT"
          echo "tag=v${PKG_VERSION}" >> "$GITHUB_OUTPUT"

      - name: Check if tag already exists
        id: tag_check
        run: |
          TAG="${{ steps.version.outputs.tag }}"
          if git rev-parse "refs/tags/${TAG}" >/dev/null 2>&1; then
            echo "Tag ${TAG} already exists; nothing to do."
            echo "exists=true" >> "$GITHUB_OUTPUT"
          else
            echo "Tag ${TAG} does not exist; will create release."
            echo "exists=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Create tag and GitHub release
        if: steps.tag_check.outputs.exists == 'false'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          TAG: ${{ steps.version.outputs.tag }}
        run: |
          gh release create "${TAG}" \
            --target "${GITHUB_SHA}" \
            --title "${TAG}" \
            --generate-notes

  e2e:
    needs: auto-release
    if: needs.auto-release.outputs.created == 'true'
    uses: ./.github/workflows/tests_e2e_release.yml
    with:
      tag: ${{ needs.auto-release.outputs.tag }}
    secrets: inherit