rust/.github/workflows/clippy_mq.yml

name: Clippy Test (merge queue)

on:
  merge_group:

env:
  RUST_BACKTRACE: 1
  CARGO_TARGET_DIR: '${{ github.workspace }}/target'
  NO_FMT_TEST: 1
  CARGO_INCREMENTAL: 0
  RUSTFLAGS: -D warnings

defaults:
  run:
    shell: bash

jobs:
  base:
    strategy:
      matrix:
        include:
        - os: ubuntu-latest
          host: x86_64-unknown-linux-gnu
        - os: ubuntu-latest
          host: i686-unknown-linux-gnu
        - os: windows-latest
          host: x86_64-pc-windows-msvc
        - os: macos-13
          host: x86_64-apple-darwin

    runs-on: ${{ matrix.os }}

    # NOTE: If you modify this job, make sure you copy the changes to clippy.yml
    steps:
    # Setup
    - name: Checkout
      uses: actions/checkout@v4
      with:
        persist-credentials: false

    - name: Install i686 dependencies
      if: matrix.host == 'i686-unknown-linux-gnu'
      run: |
        sudo dpkg --add-architecture i386
        sudo apt-get update
        sudo apt-get install gcc-multilib zlib1g-dev:i386

    - name: Install toolchain
      run: |
        rustup set default-host ${{ matrix.host }}
        # Use a way compatible with Rustup pre-1.28.0 and Rustup 1.28.0
        rustup show active-toolchain || rustup toolchain install

    # Run
    - name: Build
      run: cargo build --tests --features internal

    - name: Test
      if: matrix.host == 'x86_64-unknown-linux-gnu'
      run: cargo test --features internal

    - name: Test
      if: matrix.host != 'x86_64-unknown-linux-gnu'
      run: cargo test --features internal -- --skip dogfood

    - name: Test clippy_lints
      run: cargo test --features internal
      working-directory: clippy_lints

    - name: Test clippy_utils
      run: cargo test
      working-directory: clippy_utils

    - name: Test clippy_config
      run: cargo test
      working-directory: clippy_config

    - name: Test rustc_tools_util
      run: cargo test
      working-directory: rustc_tools_util

    - name: Test clippy_dev
      run: cargo test
      working-directory: clippy_dev

    - name: Test clippy-driver
      run: .github/driver.sh
      env:
        OS: ${{ runner.os }}

  metadata_collection:
    runs-on: ubuntu-latest

    steps:
     # Setup
    - name: Checkout
      uses: actions/checkout@v4
      with:
        persist-credentials: false

    - name: Install toolchain
      run: |
        # Use a way compatible with Rustup pre-1.28.0 and Rustup 1.28.0
        rustup show active-toolchain || rustup toolchain install

    - name: Test metadata collection
      run: cargo collect-metadata

  integration_build:
    runs-on: ubuntu-latest

    steps:
    # Setup
    - name: Checkout
      uses: actions/checkout@v4
      with:
        persist-credentials: false

    - name: Install toolchain
      run: |
        # Use a way compatible with Rustup pre-1.28.0 and Rustup 1.28.0
        rustup show active-toolchain || rustup toolchain install

    # Run
    - name: Build Integration Test
      env:
        CARGO_PROFILE_DEV_SPLIT_DEBUGINFO: off
      run: cargo test --test integration --features integration --no-run

    # Upload
    - name: Extract Binaries
      run: |
        DIR=$CARGO_TARGET_DIR/debug
        find $DIR/deps/integration-* -executable ! -type d | xargs -I {} mv {} $DIR/integration
        find $DIR ! -executable -o -type d ! -path $DIR | xargs rm -rf

    - name: Upload Binaries
      uses: actions/upload-artifact@v4
      with:
        name: binaries
        path: target/debug

  integration:
    needs: integration_build
    strategy:
      fail-fast: false
      max-parallel: 6
      matrix:
        integration:
        - 'matthiaskrgr/clippy_ci_panic_test'
        - 'rust-lang/cargo'
        - 'rust-lang/chalk'
        - 'rust-lang/rustfmt'
        - 'Marwes/combine'
        - 'Geal/nom'
        - 'rust-lang/stdarch'
        - 'serde-rs/serde'
        - 'chronotope/chrono'
        - 'hyperium/hyper'
        - 'rust-random/rand'
        - 'rust-lang/futures-rs'
        - 'rust-itertools/itertools'
        - 'rust-lang-nursery/failure'
        - 'rust-lang/log'

    runs-on: ubuntu-latest

    steps:
    # Setup
    - name: Checkout
      uses: actions/checkout@v4
      with:
        persist-credentials: false

    - name: Install toolchain
      run: |
        # Use a way compatible with Rustup pre-1.28.0 and Rustup 1.28.0
        rustup show active-toolchain || rustup toolchain install

    # Download
    - name: Download target dir
      uses: actions/download-artifact@v4
      with:
        name: binaries
        path: target/debug

    - name: Make Binaries Executable
      run: chmod +x $CARGO_TARGET_DIR/debug/*

    # Run
    - name: Test ${{ matrix.integration }}
      run: |
          TOOLCHAIN=$(rustup show active-toolchain | head -n 1 | cut -f1 -d' ')
          rustup run $TOOLCHAIN $CARGO_TARGET_DIR/debug/integration --show-output
      env:
        INTEGRATION: ${{ matrix.integration }}

  conclusion:
    needs: [ base, metadata_collection, integration_build, integration ]
    # We need to ensure this job does *not* get skipped if its dependencies fail,
    # because a skipped job is considered a success by GitHub. So we have to
    # overwrite `if:`. We use `!cancelled()` to ensure the job does still not get run
    # when the workflow is canceled manually.
    #
    # ALL THE PREVIOUS JOBS NEED TO BE ADDED TO THE `needs` SECTION OF THIS JOB!
    if: ${{ !cancelled() }}
    runs-on: ubuntu-latest
    steps:
      # Manually check the status of all dependencies. `if: failure()` does not work.
      - name: Conclusion
        run: |
          # Print the dependent jobs to see them in the CI log
          jq -C <<< '${{ toJson(needs) }}'
          # Check if all jobs that we depend on (in the needs array) were successful.
          jq --exit-status 'all(.result == "success")' <<< '${{ toJson(needs) }}'