name: build_dummy
on:
  pull_request:
    branches:
      - 'master'
      - 'release-[0-9]+.[0-9]+'
    # This needs to be an exact complement of `paths` in the build.yml workflow.
    # This is required to bypass required checks since a required job is always
    # needed to run.
    paths-ignore:
      - '**.cmake'
      - '**/CMakeLists.txt'
      - '**/CMakePresets.json'
      - 'cmake.*/**'
      - '.github/**'

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

jobs:
  old-cmake:
    name: Test oldest supported cmake
    runs-on: ubuntu-latest
    timeout-minutes: 15
    steps:
      - run: echo "success"

  use-existing-src:
    name: Test USE_EXISTING_SRC_DIR=ON builds with no network access
    runs-on: ubuntu-latest
    steps:
      - run: echo "success"