check_target_on_pr.yml

name: check_target
on: 
  pull_request:
    types: [opened, reopened, edited]
jobs:
  check_target:
    runs-on: ubuntu-latest
    steps:
      - if: ${{ (github.event.pull_request.head.ref == 'dev' && github.event.pull_request.base.ref == 'master') || github.event.pull_request.base.ref == 'dev' }}
        run: exit 0
      - if: ${{ github.event.pull_request.base.ref != 'dev' }}
        run: exit 1