version-check-release.yml

name: Version Check and Release

on:
  push:
    branches:
      - main
    paths:
      - 'setup.py'

jobs:
  check-version-and-release:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
      
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.x'
      
      - name: Extract version from setup.py
        id: extract_version
        run: |
          VERSION=$(grep -oP "version=[\"']\K[^\"']+" setup.py)
          echo "Current version: $VERSION"
          echo "VERSION=$VERSION" >> $GITHUB_ENV
      
      - name: Get latest release
        id: latest_release
        uses: pozetroninc/github-action-get-latest-release@master
        with:
          repository: ${{ github.repository }}
          excludes: prerelease, draft
        continue-on-error: true
      
      - name: Compare versions
        id: compare_versions
        run: |
          LATEST_VERSION="${{ steps.latest_release.outputs.release }}"
          LATEST_VERSION=${LATEST_VERSION#v}
          
          echo "Latest released version: $LATEST_VERSION"
          echo "Current setup.py version: $VERSION"
          
          if [ -z "$LATEST_VERSION" ] || [ "$LATEST_VERSION" != "$VERSION" ]; then
            echo "NEW_RELEASE=true" >> $GITHUB_ENV
          else
            echo "NEW_RELEASE=false" >> $GITHUB_ENV
          fi
      
      - name: Generate release notes
        if: env.NEW_RELEASE == 'true'
        id: generate_notes
        uses: actions/github-script@v6
        with:
          script: |
            const { data: commits } = await github.rest.repos.listCommits({
              owner: context.repo.owner,
              repo: context.repo.repo,
              per_page: 10
            });
            
            let releaseNotes = "## What's Changed\n\n";
            commits.forEach(commit => {
              releaseNotes += `* ${commit.commit.message} by @${commit.author ? commit.author.login : 'unknown'}\n`;
            });
            
            return releaseNotes;
            
      - name: Configure Git
        if: env.NEW_RELEASE == 'true'
        run: |
          git config user.name "GitHub Actions Bot"
          git config user.email "actions@github.com"
          
      - name: Create and push tag
        if: env.NEW_RELEASE == 'true'
        run: |
          TAG_NAME="v${{ env.VERSION }}"
          echo "Creating new tag: $TAG_NAME"
          git tag $TAG_NAME
          git push https://${{ secrets.PAT_GITHUB }}@github.com/${{ github.repository }} $TAG_NAME
      
      - name: Create Release
        if: env.NEW_RELEASE == 'true'
        uses: ncipollo/release-action@v1
        with:
          tag: v${{ env.VERSION }}
          name: Release v${{ env.VERSION }}
          body: ${{ steps.generate_notes.outputs.result }}
          draft: false
          prerelease: false
          token: ${{ secrets.GITHUB_TOKEN }}