bugfix-reproducer.yml

name: "Reproducing Test-Case Detector (experimental)"

on:
  pull_request:
    paths:
    - '**_test.exs'

jobs:
  test:
    runs-on: ubuntu-18.04
    name: "Test for lib/ changes"
    strategy:
      matrix:
        otp: [22.2]
        elixir: [1.10.4]
    steps:
      - uses: actions/checkout@v2.3.1

      - uses: erlef/setup-beam@v1
        with:
          otp-version: ${{matrix.otp}}
          elixir-version: ${{matrix.elixir}}

      - run: git fetch origin master:master

      - name: Check changes to lib/
        id: check_changes
        run: echo "::set-output name=changes_to_lib::$(git diff --name-only master | grep "^lib")"

      - name: There are changes to lib/
        if: "contains(steps.check_changes.outputs.changes_to_lib, 'lib')"
        run: |
          mix deps.get
          sh test/test_if_tests_fail_after_resetting_lib.sh

      - name: There are no changes to lib/
        if: "!contains(steps.check_changes.outputs.changes_to_lib, 'lib')"
        run: echo "${{ toJSON(steps.check_changes.outputs.changes_to_lib) }}"