create-tag.yml

name: Create Release Tag

on:
  pull_request:
    types: [closed]
    branches: [develop]

jobs:
  create-tag:
    if: github.event.pull_request.merged == true && startsWith(github.event.pull_request.head.ref, 'chore/release-')
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          ref: develop
          fetch-depth: 0

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

      - name: Check if tag already exists
        id: check-tag
        run: |
          if git tag -l "${{ steps.version.outputs.tag }}" | grep -q "${{ steps.version.outputs.tag }}"; then
            echo "exists=true" >> $GITHUB_OUTPUT
            echo "Tag ${{ steps.version.outputs.tag }} already exists"
          else
            echo "exists=false" >> $GITHUB_OUTPUT
            echo "Tag ${{ steps.version.outputs.tag }} does not exist"
          fi

      - name: Create and push tag
        if: steps.check-tag.outputs.exists == 'false'
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git tag -a ${{ steps.version.outputs.tag }} -m "Release ${{ steps.version.outputs.tag }}"
          git push origin ${{ steps.version.outputs.tag }}

      - name: Tag already exists
        if: steps.check-tag.outputs.exists == 'true'
        run: |
          echo "::warning::Tag ${{ steps.version.outputs.tag }} already exists, skipping tag creation"