update-caret-version.yaml

name: Update Version and Create PR

on:
  push:
    tags:
      - v*

jobs:
  update-version-and-create-pr:
    permissions:
      actions: write
      checks: write
      contents: write
      deployments: write
      issues: write
      packages: write
      pull-requests: write
      repository-projects: write
      security-events: write
      statuses: write

    runs-on: ubuntu-latest
    steps:
      - name: Set up Git
        run: |
          git config --global user.name github-actions
          git config --global user.email github-actions@github.com

      - name: Get New Branch and Tag
        id: tag
        run: |
          latest_tag=$(curl -s https://api.github.com/repos/${GITHUB_REPOSITORY}/tags | jq -r .[0].name)
          current_tag=${{ github.ref_name }}
          branch=rc/$current_tag
          echo "LATEST_TAG_NAME=$latest_tag" >> "$GITHUB_OUTPUT"
          echo "TAG_NAME=$current_tag" >> "$GITHUB_OUTPUT"
          echo "BRANCH_NAME=$branch" >> "$GITHUB_OUTPUT"

      - name: Checkout repository2
        uses: actions/checkout@v4
        with:
          ref: ${{ steps.tag.outputs.BRANCH_NAME }}

      - name: Commit and push changes
        run: |
          sed -i "s/__version__ =.*/__version__ = '${{ steps.tag.outputs.TAG_NAME }}'/" ros2caret/__version__.py
          git add ros2caret/__version__.py
          git commit -m "chore: update version to ${{ steps.tag.outputs.TAG_NAME }}" -s
          git push origin ${{ steps.tag.outputs.BRANCH_NAME }}

      - name: Re-create tag
        run: |
          git push -d origin ${{ steps.tag.outputs.TAG_NAME }}
          git tag ${{ steps.tag.outputs.TAG_NAME }}
          git push origin ${{ steps.tag.outputs.TAG_NAME }}

      - name: Create PR to main branch if the created tag is the latest
        run: |
          if [ ${{ steps.tag.outputs.LATEST_TAG_NAME }} == ${{ steps.tag.outputs.TAG_NAME }} ]; then
            gh pr create --title "chore: update version to ${{ steps.tag.outputs.TAG_NAME }}" \
                         --body "This pull request updates the version in __version__.py to ${{ steps.tag.outputs.TAG_NAME }}" \
                         --base main \
                         --head ${{ steps.tag.outputs.BRANCH_NAME }}
          fi
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}