require_release_branch.yml

name: Require release branch

on:
  pull_request:

jobs:
  check_branch:
    runs-on: ubuntu-latest
    steps:
      - name: Check branch
        if: github.base_ref == 'master' && github.head_ref != 'dev'
        run: |
          echo "ERROR: You can only merge to master from dev. Contributors should point their PRs to the dev branch."
          exit 1
          
      - uses: actions/checkout@v3
        if: github.base_ref == 'master'
        with:
          fetch-depth: 0
          
      - name: Check version.py
        if: github.base_ref == 'master'
        run: |
          git diff --name-only origin/master | grep -q version.py || (echo "Need to change version for pushes to master!" && exit 1)