name: Run tests

on: [push, pull_request]

jobs:
  run-tests:
    strategy:
      matrix:
        os: [ 'windows', 'ubuntu', 'macos' ]
      fail-fast: false
    runs-on: ${{ matrix.os }}-latest
    steps:
    - uses: actions/checkout@v2
    - name: Setup python
      uses: actions/setup-python@v2
      with:
        python-version: 3.x
    - name: test
      shell: bash
      run: |
        # setup-python puts `python` into the `PATH`, not `python3`, yet
        # `git-filter-repo` expects `python3` in the `PATH`. Let's add
        # a shim.
        printf '#!/bin/sh\n\nexec python "$@"\n' >python3 &&

        export PATH=$PWD:$PATH &&

        if ! t/run_tests -q -v -x
        then
          mkdir failed &&
          tar czf failed/failed.tar.gz t
          exit 1
        fi
    - name: upload failed tests' directories
      if: failure()
      uses: actions/upload-artifact@v1
      with:
        name: failed-${{ matrix.os }}
        path: failed