name: Tests

on: [push, pull_request]

jobs:
  test:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 2

      - name: Get changed files
        id: changed-files
        uses: tj-actions/changed-files@v14.1
        with:
          files: |
            *.nix
            go.*
            **/*.go
            integration_test/
            config-example.yaml

      - uses: cachix/install-nix-action@v16
        if: steps.changed-files.outputs.any_changed == 'true'

      - name: Run tests
        if: steps.changed-files.outputs.any_changed == 'true'
        run: nix develop --check