release.yml

name: Release on Version Change

on:
  push:
    branches:
      - main
  workflow_dispatch: # Allows manual triggering of the workflow

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: Check out the repository
        uses: actions/checkout@v4
        with:
          fetch-tags: true

      - name: Install Hatch
        uses: pypa/hatch@install

      - name: Extract current version
        run: |
          version=$(hatch version)
          echo "version=$version" >> $GITHUB_ENV

      - name: Get latest tag
        run: |
          latest_tag=$(git describe --tags --abbrev=0 || echo "0.0.0")
          echo "latest_tag=$latest_tag" >> $GITHUB_ENV

      - name: Compare versions
        run: |
          if [ "${{ env.version }}" != "${{ env.latest_tag }}" ]; then
            echo "new_version=true" >> $GITHUB_ENV
          else
            echo "new_version=false" >> $GITHUB_ENV
          fi

      - name: Create a new tag and release
        if: env.new_version == 'true'
        env:
          VERSION: ${{ env.version }}
          GH_TOKEN: ${{ secrets.GH_TOKEN }}
        run: |
          git config --global user.name "github-actions[bot]"
          git config --global user.email "github-actions[bot]@users.noreply.github.com"

          git tag -a "$VERSION" -m "Release $VERSION"
          git push origin "$VERSION"
          gh release create "$VERSION" --title "Release $VERSION" --notes "Automated release for version $VERSION"