auto-release.yml

name: Auto Release on Version Change

on:
  push:
    branches:
      - main
    paths:
      - "pyproject.toml"

jobs:
  check-and-release:
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: "3.11"

      - name: Extract version from pyproject.toml
        id: get_version
        run: |
          VERSION=$(grep '^version = ' pyproject.toml | sed 's/version = "\(.*\)"/\1/')
          echo "version=$VERSION" >> $GITHUB_OUTPUT

      - name: Check if release exists
        id: check_release
        run: |
          TAG_EXISTS=$(git tag -l "v${{ steps.get_version.outputs.version }}")
          if [ -z "$TAG_EXISTS" ]; then
            echo "exists=false" >> $GITHUB_OUTPUT
          else
            echo "exists=true" >> $GITHUB_OUTPUT
          fi

      - name: Create Release
        if: steps.check_release.outputs.exists == 'false'
        uses: softprops/action-gh-release@v1
        with:
          tag_name: v${{ steps.get_version.outputs.version }}
          name: Release v${{ steps.get_version.outputs.version }}
          generate_release_notes: true
          draft: false
          prerelease: false
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}