backport.yml

# this is based on https://github.com/NixOS/nixpkgs/blob/c81ecdf95b3a0f73ded448f14416cd66beeb5e1a/.github/workflows/backport.yml
name: Backport
on:
  pull_request_target:
    types: [closed, labeled]

# WARNING:
# When extending this action, be aware that $GITHUB_TOKEN allows write access to
# the GitHub repository. This means that it should not evaluate user input in a
# way that allows code injection.

jobs:
  backport:
    name: Backport Pull Request
    if: github.repository_owner == 'catppuccin' && github.event.pull_request.merged == true && (github.event_name != 'labeled' || startsWith('backport', github.event.label.name))

    runs-on: ubuntu-latest

    permissions:
      contents: write
      pull-requests: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.pull_request.head.sha }}

      - name: Create backport PRs
        uses: korthout/backport-action@v3
        with:
          pull_description: |-
            Bot-based backport to `${target_branch}`, triggered by a label in #${pull_number}.