check-branch-name.yml

name: Check pull request head branch name

on:
  pull_request_target:
    types:
      - opened

jobs:
  check_branch_name:
    runs-on: ubuntu-latest
    if: github.head_ref == 'master' && github.repository == 'CleverRaven/Cataclysm-DDA'
    steps:
      - name: Post warning
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            await github.rest.issues.createComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              body: "You are creating a pull request with the master branch as the head branch. This is likely a mistake unless you really know what you are doing. You may read https://docs.github.com/en/get-started/quickstart/contributing-to-projects#creating-a-branch-to-work-on for a typical workflow of contributing to a project on GitHub."
            });