name: Architecture and changed-file quality

on:
  pull_request:
  # Required by the merge queue; see ci.yml.
  merge_group:
  push:
    branches: [main]

permissions:
  contents: read

jobs:
  architecture:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v7
        with:
          fetch-depth: 0

      - name: Set up .NET
        uses: actions/setup-dotnet@v6
        with:
          dotnet-version: "8.0.x"

      # CI and local run the same complete repository gate.
      - name: Repository quality gate
        shell: bash
        env:
          # A merge group carries its own base and head; github.event.before is
          # empty on that event.
          BASE_REF: ${{ github.event.pull_request.base.sha || github.event.merge_group.base_sha || github.event.before }}
          HEAD_REF: ${{ github.event.pull_request.head.sha || github.event.merge_group.head_sha || github.sha }}
        run: bash scripts/governance-check.sh