ci.yml

name: CI

on:
  pull_request:
  push:
    branches: [master]

jobs:
  fmt:
    name: Tidy Code
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - uses: hecrj/setup-rust-action@v2
      with:
        rust-version: stable
        components: rustfmt
    - name: Check Formatting
      run: cargo +stable fmt --all -- --check
    - uses: taiki-e/install-action@v2 
      with:
        tool: typos-cli
    - name: Check Formatting
      run: cargo fmt --all -- --check
    - name: Run Typos
      run: typos

  tests:
    name: Tests
    needs: fmt
    strategy:
      fail-fast: false
      matrix:
        rust_version: ['1.70.0', stable, nightly]
        platform:
          - { target: x86_64-pc-windows-msvc,   os: windows-latest,  }
          - { target: i686-pc-windows-msvc,     os: windows-latest,  }
          # TODO: wait for https://github.com/microsoft/windows-rs/issues/2614#issuecomment-1684152597
          #       to be resolved before re-enabling these
          # - { target: x86_64-pc-windows-gnu,    os: windows-latest, host: -x86_64-pc-windows-gnu }
          # - { target: i686-pc-windows-gnu,      os: windows-latest, host: -i686-pc-windows-gnu }
          - { target: i686-unknown-linux-gnu,   os: ubuntu-latest,   }
          - { target: x86_64-unknown-linux-gnu, os: ubuntu-latest,   }
          - { target: x86_64-unknown-linux-gnu, os: ubuntu-latest, options: --no-default-features, features: "x11,x11-dlopen" }
          - { target: x86_64-unknown-linux-gnu, os: ubuntu-latest, options: --no-default-features, features: "wayland,wayland-dlopen" }
          - { target: x86_64-unknown-linux-gnu, os: ubuntu-latest, options: --no-default-features, features: "kms" }
          - { target: x86_64-unknown-redox,     os: ubuntu-latest,   }
          - { target: x86_64-unknown-freebsd,   os: ubuntu-latest,   }
          - { target: x86_64-unknown-netbsd,    os: ubuntu-latest, options: --no-default-features, features: "x11,x11-dlopen,wayland,wayland-dlopen"  }
          - { target: x86_64-apple-darwin,      os: macos-latest,    }
          - { target: wasm32-unknown-unknown,   os: ubuntu-latest,   }
        include:
          - rust_version: nightly
            platform: { target: wasm32-unknown-unknown, os: ubuntu-latest, options: "-Zbuild-std=panic_abort,std", rustflags: "-Ctarget-feature=+atomics,+bulk-memory" }

    env:
      RUST_BACKTRACE: 1
      CARGO_INCREMENTAL: 0
      RUSTFLAGS: "-C debuginfo=0 --deny warnings ${{ matrix.platform.rustflags }}"
      OPTIONS: ${{ matrix.platform.options }}
      FEATURES: ${{ format(',{0}', matrix.platform.features ) }}
      CMD: ${{ matrix.platform.cmd }}
      RUSTDOCFLAGS: -Dwarnings

    runs-on: ${{ matrix.platform.os }}
    steps:
    - uses: actions/checkout@v4

    - uses: taiki-e/install-action@v2
      if: matrix.platform.target == 'wasm32-unknown-unknown'
      with:
        tool: wasm-bindgen-cli

    - uses: hecrj/setup-rust-action@v2
      with:
        rust-version: ${{ matrix.rust_version }}${{ matrix.platform.host }}
        targets: ${{ matrix.platform.target }}
        components: clippy, rust-src

    - name: Install libwayland
      if: (matrix.platform.os == 'ubuntu-latest')
      run: sudo apt-get update && sudo apt-get install libwayland-dev

    - name: Install GCC Multilib
      if: (matrix.platform.os == 'ubuntu-latest') && contains(matrix.platform.target, 'i686')
      run: sudo apt-get install gcc-multilib

    - name: Pin deps that break MSRV
      if: matrix.rust_version == '1.70.0'
      run: |
        cargo update -p exr --precise 1.71.0
        cargo update -p ahash --precise 0.8.7
        cargo update -p bumpalo --precise 3.14.0
  
    - name: Build crate
      shell: bash
      run: cargo $CMD build --verbose --target ${{ matrix.platform.target }} $OPTIONS --features $FEATURES

    - name: Build tests
      shell: bash
      if: >
        !((matrix.platform.os == 'ubuntu-latest') && contains(matrix.platform.target, 'i686')) &&
        !contains(matrix.platform.target, 'redox') &&
        !contains(matrix.platform.target, 'freebsd') &&
        !contains(matrix.platform.target, 'netbsd')
      run: cargo $CMD test --no-run --verbose --target ${{ matrix.platform.target }} $OPTIONS --features $FEATURES

    - name: Run tests
      shell: bash
      if: >
        !((matrix.platform.os == 'ubuntu-latest') && contains(matrix.platform.target, 'i686')) &&
        !contains(matrix.platform.target, 'redox') &&
        !contains(matrix.platform.target, 'freebsd') &&
        !contains(matrix.platform.target, 'netbsd') &&
        !contains(matrix.platform.target, 'linux')
      run: cargo $CMD test --verbose --target ${{ matrix.platform.target }} $OPTIONS --features $FEATURES

    # TODO: We should also be using Wayland for testing here.
    - name: Run tests using Xvfb
      shell: bash
      if: >
        !((matrix.platform.os == 'ubuntu-latest') && contains(matrix.platform.target, 'i686')) &&
        !contains(matrix.platform.target, 'redox') &&
        !contains(matrix.platform.target, 'freebsd') &&
        !contains(matrix.platform.target, 'netbsd') &&
        contains(matrix.platform.target, 'linux') &&
        !contains(matrix.platform.options, '--no-default-features') &&
        !contains(matrix.platform.features, 'wayland')
      run: xvfb-run cargo $CMD test --verbose --target ${{ matrix.platform.target }} $OPTIONS --features $FEATURES

    - name: Lint with clippy
      shell: bash
      if: >
        (matrix.rust_version == 'stable') &&
        !contains(matrix.platform.options, '--no-default-features') &&
        !((matrix.platform.os == 'ubuntu-latest') && contains(matrix.platform.target, 'i686')) &&
        !contains(matrix.platform.target, 'redox') &&
        !contains(matrix.platform.target, 'freebsd') &&
        !contains(matrix.platform.target, 'netbsd')
      run: cargo clippy --all-targets --target ${{ matrix.platform.target }} $OPTIONS --features $FEATURES -- -Dwarnings

    - name: Lint with rustdoc
      shell: bash
      if: >
        (matrix.rust_version == 'stable') &&
        !contains(matrix.platform.options, '--no-default-features') &&
        !((matrix.platform.os == 'ubuntu-latest') && contains(matrix.platform.target, 'i686')) &&
        !contains(matrix.platform.target, 'redox') &&
        !contains(matrix.platform.target, 'freebsd') &&
        !contains(matrix.platform.target, 'netbsd')
      run: cargo doc --no-deps --target ${{ matrix.platform.target }} $OPTIONS --features $FEATURES --document-private-items