name: integration
on:
  push:
    branches:
      - master
  pull_request:

jobs:
  integration-tests:
    runs-on: ubuntu-latest
    name: ${{ matrix.integration }}
    strategy:
      # https://help.github.com/en/actions/getting-started-with-github-actions/about-github-actions#usage-limits
      # There's a limit of 60 concurrent jobs across all repos in the rust-lang organization.
      # In order to prevent overusing too much of that 60 limit, we throttle the
      # number of rustfmt jobs that will run concurrently.
      max-parallel: 4
      fail-fast: false
      matrix:
        integration: [
          bitflags,
          error-chain,
          log,
          mdbook,
          packed_simd,
          rust-semverver,
          tempdir,
          futures-rs,
          rust-clippy,
          failure,
        ]
        include:
          # Allowed Failures
          # Actions doesn't yet support explicitly marking matrix legs as allowed failures
          # https://github.community/t5/GitHub-Actions/continue-on-error-allow-failure-UI-indication/td-p/37033
          # https://github.community/t5/GitHub-Actions/Why-a-matrix-step-will-be-canceled-if-another-one-failed/td-p/30920
          # Instead, leverage `continue-on-error`
          # https://help.github.com/en/actions/automating-your-workflow-with-github-actions/workflow-syntax-for-github-actions#jobsjob_idstepscontinue-on-error
          #
          # Failing due to breaking changes in rustfmt 2.0 where empty
          # match blocks have trailing commas removed
          # https://github.com/rust-lang/rustfmt/pull/4226
          - integration: chalk
            allow-failure: true
          - integration: crater
            allow-failure: true
          - integration: glob
            allow-failure: true
          - integration: stdsimd
            allow-failure: true
          # Using old rustfmt configuration option
          - integration: rand
            allow-failure: true
          # Keep this as an allowed failure as it's fragile to breaking changes of rustc.
          - integration: rust-clippy
            allow-failure: true
          # Using old rustfmt configuration option
          - integration: packed_simd
            allow-failure: true
          # calebcartwright (2019-12-24)
          # Keeping this as an allowed failure since it was flagged as such in the TravisCI config, even though
          # it appears to have been passing for quite some time.
          # Original comment was: temporal build failure due to breaking changes in the nightly compiler
          - integration: rust-semverver
            allow-failure: true
          # Can be moved back to include section after https://github.com/rust-lang-nursery/failure/pull/298 is merged
          - integration: failure
            allow-failure: true

    steps:
    - name: checkout
      uses: actions/checkout@v2

      # Run build
    - name: install rustup
      run: |
        curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs > rustup-init.sh
        sh rustup-init.sh -y --default-toolchain none

    - name: run integration tests
      env:
        INTEGRATION: ${{ matrix.integration }}
        TARGET: x86_64-unknown-linux-gnu
      run: ./ci/integration.sh
      continue-on-error: ${{ matrix.allow-failure == true }}