name: Tag Release

# Triggered when the chore/version-bump PR is merged to main.
# debian/changelog is already on main from the merged PR — just create the tag.
# release.yml triggers on the tag push and builds the release.

on:
  pull_request:
    types:
      - closed
    branches:
      - main

permissions:
  contents: write

jobs:
  tag:
    runs-on: ubuntu-latest
    if: |
      github.event.pull_request.merged == true &&
      github.event.pull_request.head.ref == 'chore/version-bump'

    steps:
      - uses: actions/checkout@v7
        with:
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Create and push tag
        run: |
          VERSION=$(grep -m1 '(' debian/changelog | sed 's/.*(\(.*\)).*/\1/')
          git config user.name  "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git tag "v${VERSION}"
          git push origin "v${VERSION}"