CatStation/.github/workflows/no-submodule-update.yml

name: No submodule update checker

on:
  pull_request:
    types: [ opened, reopened, synchronize, ready_for_review ]
    paths:
      - 'RobustToolbox'

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
  cancel-in-progress: true

jobs:
  this_aint_right:
    name: Submodule update in pr found
    if: github.actor != 'PJBot' && github.event.pull_request.draft == false
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7
        with:
          fetch-depth: 0

      - name: Check changed files
        shell: pwsh
        run: |
          $changedFiles = @(git diff --name-only "${{ github.event.pull_request.base.sha }}" "${{ github.event.pull_request.head.sha }}")

          if ($changedFiles.Count -eq 1 -and $changedFiles[0] -eq "RobustToolbox") {
            Write-Host "Only RobustToolbox was changed; allowing standalone submodule update."
            exit 0
          }

          Write-Host "RobustToolbox was updated alongside other files:"
          foreach ($file in $changedFiles) {
            Write-Host " - $file"
          }
          exit 1