publish_release.yml

name: Publish the latest release on PyPI

on:
  push:
    tags:
      - 'v*'
    branches:
      - release  # Restricts the workflow to only run on tags pushed to the release branch
  workflow_dispatch:  # allows manual control
    inputs:
      version:
        description: 'Override the version number'
        required: false
      rollback:
        description: 'Trigger a rollback to the previous stable version'
        required: false
        default: false

jobs:
  validate-tag:
    runs-on: ubuntu-latest
    if: startsWith(github.ref, 'refs/tags/')
    steps:
      - uses: actions/checkout@v3
      - name: Validate Tag Format
        run: |
          TAG_REGEX='^v[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9\-\.]+)?$'
          echo "Regex to match: $TAG_REGEX"
          TAG="${GITHUB_REF/refs\/tags\//}"
          echo "Tag extracted: $TAG"
          if [[ "$TAG" =~ $TAG_REGEX ]]; then
            echo "Tag format is valid."
          else
            echo "::error::Tag $TAG does not match the 'vMAJOR.MINOR.PATCH' or 'vMAJOR.MINOR.PATCH-pre-release' format."
            exit 1
          fi
        shell: bash

  build-and-package:
    needs: validate-tag
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: ['3.9', '3.10', '3.11', '3.12']
    steps:
      - uses: actions/checkout@v3
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python-version }}
      - name: Install Poetry and dependencies
        run: |
          python -m pip install --upgrade pip
          pip install poetry
          poetry env use python${{ matrix.python-version }}
          cd lightrag
          poetry install --no-dev
      - name: Build the distribution
        run: |
          cd lightrag
          poetry build
      - name: Upload distribution for publishing
        uses: actions/upload-artifact@v2
        with:
          name: dist
          path: lightrag/dist/**


  dry-run-publish:
    needs: build-and-package
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: ['3.9', '3.10', '3.11', '3.12']
    steps:
      - uses: actions/checkout@v3
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python-version }}
      - name: Download distribution
        uses: actions/download-artifact@v2
        with:
          name: dist
          path: dist
      - name: Install Poetry and perform dry run publish
        run: |
          python -m pip install --upgrade pip
          pip install poetry
          cd dist
          poetry publish --dry-run -v

  publish-to-pypi:
    needs: 
      - validate-tag
      - build-and-package
      - dry-run-publish
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: ['3.9', '3.10', '3.11', '3.12']
    steps:
      - uses: actions/checkout@v3
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python-version }}
      - name: Download distribution
        uses: actions/download-artifact@v2
        with:
          name: dist
          path: dist
      - name: Install Poetry and publish to PyPI
        run: |
          python -m pip install --upgrade pip
          pip install poetry
          cd dist
          poetry publish --username __token__ --password ${{ secrets.PYPI_KEY }} --verbose

  create-github-release:
    needs: publish-to-pypi
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Create Release on GitHub
        id: create_release
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: ${{ github.ref_name }}
          release_name: Release ${{ github.ref_name }}
          body: 'Automated release of version ${{ github.ref_name }}'
          draft: false
          prerelease: false

  rollback:
    needs: publish-to-pypi
    if: ${{ github.event.inputs.rollback == 'true' }}
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: ['3.9', '3.10', '3.11', '3.12']
    steps:
      - uses: actions/checkout@v3
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python-version }}
      - name: Rollback to previous stable version
        run: |
          echo "Rolling back to previous stable version..."
          # Add rollback logic here