name: CI (bors)

on:
  push:
    branches:
      - auto-libc
      - try

permissions: {}
jobs:
  docker_linux_tier1:
    permissions:
      actions: write # to cancel workflows (rust-lang/simpleinfra/github-actions/cancel-outdated-builds)
      contents: read # to fetch code (actions/checkout)

    name: Docker Linux Tier1
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: true
      matrix:
        target: [
          i686-unknown-linux-gnu,
          x86_64-unknown-linux-gnu,
        ]
    steps:
      - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
        with:
          github_token: "${{ secrets.GITHUB_TOKEN }}"
      - uses: actions/checkout@v3
      - name: Setup Rust toolchain
        run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
      - name: Execute run-docker.sh
        run: LIBC_CI=1 sh ./ci/run-docker.sh ${{ matrix.target }}

  macos:
    permissions:
      actions: write # to cancel workflows (rust-lang/simpleinfra/github-actions/cancel-outdated-builds)
      contents: read # to fetch code (actions/checkout)

    name: macOS
    runs-on: macos-12
    strategy:
      fail-fast: true
      matrix:
        target: [
          x86_64-apple-darwin,
        ]
    steps:
      - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
        with:
          github_token: "${{ secrets.GITHUB_TOKEN }}"
      - uses: actions/checkout@v3
      - name: Setup Rust toolchain
        run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
      - name: Execute run.sh
        run: LIBC_CI=1 sh ./ci/run.sh ${{ matrix.target }}

  windows:
    permissions:
      actions: write # to cancel workflows (rust-lang/simpleinfra/github-actions/cancel-outdated-builds)
      contents: read # to fetch code (actions/checkout)

    name: Windows
    runs-on: windows-2022
    env:
      OS: windows
    strategy:
      fail-fast: true
      matrix:
        include:
          - target: x86_64-pc-windows-gnu
            env:
              ARCH_BITS: 64
              ARCH: x86_64
          - target: x86_64-pc-windows-msvc
          # Disabled because broken:
          #  https://github.com/rust-lang/libc/issues/1592
          #- target: i686-pc-windows-gnu
          #  env:
          #    ARCH_BITS: 32
          #    ARCH: i686
          - target: i686-pc-windows-msvc
    steps:
      - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
        with:
          github_token: "${{ secrets.GITHUB_TOKEN }}"
      - uses: actions/checkout@v3
      - name: Self-update rustup
        run: rustup self update
        shell: bash
      - name: Setup Rust toolchain
        run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
        shell: bash
      - name: Execute run.sh
        run: LIBC_CI=1 sh ./ci/run.sh ${{ matrix.target }}
        shell: bash

  style_check:
    permissions:
      actions: write # to cancel workflows (rust-lang/simpleinfra/github-actions/cancel-outdated-builds)
      contents: read # to fetch code (actions/checkout)

    name: Style check
    runs-on: ubuntu-22.04
    steps:
      - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
        with:
          github_token: "${{ secrets.GITHUB_TOKEN }}"
      - uses: actions/checkout@v3
      - name: Setup Rust toolchain
        run: sh ./ci/install-rust.sh
      - name: Check style
        run: sh ci/style.sh

  docker_linux_tier2:
    permissions:
      actions: write # to cancel workflows (rust-lang/simpleinfra/github-actions/cancel-outdated-builds)
      contents: read # to fetch code (actions/checkout)

    name: Docker Linux Tier2
    needs: [docker_linux_tier1, style_check]
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: true
      max-parallel: 12
      matrix:
        target: [
          # FIXME: Mysterious failures in CI, see
          # https://github.com/rust-lang/libc/issues/2081
          # aarch64-linux-android,
          aarch64-unknown-linux-gnu,
          aarch64-unknown-linux-musl,
          arm-linux-androideabi,
          arm-unknown-linux-gnueabihf,
          arm-unknown-linux-musleabihf,
          asmjs-unknown-emscripten,
          i686-linux-android,
          i686-unknown-linux-musl,
          mips-unknown-linux-gnu,
          mips-unknown-linux-musl,
          # FIXME: Somehow failed on CI
          # https://github.com/rust-lang/libc/runs/1659882216
          # mips64-unknown-linux-gnuabi64,
          # mips64el-unknown-linux-gnuabi64,
          mipsel-unknown-linux-musl,
          powerpc-unknown-linux-gnu,
          powerpc64-unknown-linux-gnu,
          powerpc64le-unknown-linux-gnu,
          s390x-unknown-linux-gnu,
          riscv64gc-unknown-linux-gnu,
          # FIXME: A recent nightly causes a linker failure:
          # https://github.com/rust-lang/rust/issues/76679
          # See this comment for more details:
          # https://github.com/rust-lang/libc/pull/2225#issuecomment-880696737
          #wasm32-wasi,
          sparc64-unknown-linux-gnu,
          wasm32-unknown-emscripten,
          x86_64-linux-android,
          x86_64-unknown-linux-gnux32,
          x86_64-unknown-linux-musl,
          # FIXME: It seems some items in `src/unix/mod.rs`
          # aren't defined on redox actually.
          # x86_64-unknown-redox,
        ]
    steps:
      - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
        with:
          github_token: "${{ secrets.GITHUB_TOKEN }}"
      - uses: actions/checkout@v3
      - name: Setup Rust toolchain
        run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
      - name: Execute run-docker.sh
        run: LIBC_CI=1 sh ./ci/run-docker.sh ${{ matrix.target }}

  # These targets are tier 3 or otherwise need to have CI build std via -Zbuild-std.
  # Because of this, only the nightly compiler can be used on these targets.
  docker_linux_build_std:
    permissions:
      actions: write # to cancel workflows (rust-lang/simpleinfra/github-actions/cancel-outdated-builds)
      contents: read # to fetch code (actions/checkout)

    if: ${{ false }} # This is currently broken
    name: Docker Linux Build-Std Targets
    needs: [docker_linux_tier1, style_check]
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: true
      max-parallel: 12
      matrix:
        target: [
          armv7-unknown-linux-uclibceabihf
        ]
    steps:
      - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
        with:
          github_token: "${{ secrets.GITHUB_TOKEN }}"
      - uses: actions/checkout@v3
      - name: Setup Rust toolchain
        run: TOOLCHAIN=nightly INSTALL_RUST_SRC=1 sh ./ci/install-rust.sh
      - name: Execute run-docker.sh
        run: LIBC_CI=1 TOOLCHAIN=nightly LIBC_CI_ZBUILD_STD=1 sh ./ci/run-docker.sh ${{ matrix.target }}

  # devkitpro's pacman needs to be connected from Docker.
  docker_switch:
    permissions:
      actions: write # to cancel workflows (rust-lang/simpleinfra/github-actions/cancel-outdated-builds)
      contents: read # to fetch code (actions/checkout)

    name: Docker Switch
    needs: [docker_linux_tier1, style_check]
    runs-on: ubuntu-22.04
    steps:
      - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
        with:
          github_token: "${{ secrets.GITHUB_TOKEN }}"
      - uses: actions/checkout@v3
      - name: Setup Rust toolchain
        run: sh ./ci/install-rust.sh
      - name: Execute run-docker.sh
        run: LIBC_CI=1 sh ./ci/run-docker.sh switch

  build_channels_linux:
    permissions:
      actions: write # to cancel workflows (rust-lang/simpleinfra/github-actions/cancel-outdated-builds)
      contents: read # to fetch code (actions/checkout)

    name: Build Channels Linux
    needs: docker_linux_tier2
    runs-on: ubuntu-22.04
    env:
      OS: linux
    strategy:
      fail-fast: true
      max-parallel: 5
      matrix:
        toolchain: [
          stable,
          beta,
          nightly,
          1.13.0,
          1.19.0,
          1.24.0,
          1.25.0,
          1.30.0,
        ]
    steps:
      - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
        with:
          github_token: "${{ secrets.GITHUB_TOKEN }}"
      - uses: actions/checkout@v3
      - name: Setup Rust toolchain
        run: TOOLCHAIN=${{ matrix.toolchain }} sh ./ci/install-rust.sh
      - name: Execute build.sh
        run: LIBC_CI=1 TOOLCHAIN=${{ matrix.toolchain }} sh ./ci/build.sh

  build_channels_macos:
    permissions:
      contents: read # to fetch code (actions/checkout)

    name: Build Channels macOS
    needs: macos
    env:
      OS: macos
    strategy:
      fail-fast: true
      max-parallel: 4
      matrix:
        target:
          - { toolchain: stable, os: macos-12 }
          - { toolchain: beta, os: macos-12 }
          - { toolchain: nightly, os: macos-12 }
          # Use macOS 11 for older toolchains as newer Xcode donesn't work well.
          - { toolchain: 1.13.0, os: macos-11 }
          - { toolchain: 1.19.0, os: macos-11 }
          - { toolchain: 1.24.0, os: macos-11 }
          - { toolchain: 1.25.0, os: macos-11 }
          - { toolchain: 1.30.0, os: macos-11 }
    runs-on: ${{ matrix.target.os }}
    steps:
      - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
        with:
          github_token: "${{ secrets.GITHUB_TOKEN }}"
      - uses: actions/checkout@v3
      - name: Setup Rust toolchain
        run: TOOLCHAIN=${{ matrix.target.toolchain }} sh ./ci/install-rust.sh
      - name: Execute build.sh
        run: LIBC_CI=1 TOOLCHAIN=${{ matrix.target.toolchain }} sh ./ci/build.sh

  build_channels_windows:
    permissions:
      contents: read # to fetch code (actions/checkout)

    name: Build Channels Windows
    runs-on: windows-2022
    env:
      OS: windows
    strategy:
      fail-fast: true
      matrix:
        toolchain: [
          1.19.0,
          1.24.0,
          1.25.0,
          1.30.0,
          stable,
        ]
    steps:
      - uses: actions/checkout@v3
      - name: Self-update rustup
        run: rustup self update
        shell: bash
      - name: Execute build.sh
        run: LIBC_CI=1 TOOLCHAIN=${{ matrix.toolchain }} sh ./ci/build.sh
        shell: bash

  check_cfg:
    permissions:
      actions: write # to cancel workflows (rust-lang/simpleinfra/github-actions/cancel-outdated-builds)
      contents: read # to fetch code (actions/checkout)

    name: "Check #[cfg]s"
    runs-on: ubuntu-22.04
    steps:
      - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
        with:
          github_token: "${{ secrets.GITHUB_TOKEN }}"
      - uses: actions/checkout@v3
      - name: Setup Rust toolchain
        run: TOOLCHAIN=nightly sh ./ci/install-rust.sh
      - name: Build with check-cfg
        run: LIBC_CI=1 LIBC_CHECK_CFG=1 cargo build -Z unstable-options -Z check-cfg=features,names,values,output

  docs:
    permissions:
      actions: write # to cancel workflows (rust-lang/simpleinfra/github-actions/cancel-outdated-builds)
      contents: read # to fetch code (actions/checkout)

    name: Generate documentation
    runs-on: ubuntu-22.04
    needs: docker_linux_tier2
    steps:
      - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
        with:
          github_token: "${{ secrets.GITHUB_TOKEN }}"
      - uses: actions/checkout@v3
      - name: Setup Rust toolchain
        run: sh ./ci/install-rust.sh
      - name: Generate documentation
        run: LIBC_CI=1 sh ci/dox.sh

  # These jobs doesn't actually test anything, but they're only used to tell
  # bors the build completed, as there is no practical way to detect when a
  # workflow is successful listening to webhooks only.
  #
  # ALL THE PREVIOUS JOBS NEED TO BE ADDED TO THE `needs` SECTION OF THIS JOB!

  end_success:
    name: bors build finished
    if: github.event.pusher.name == 'bors' && success()
    runs-on: ubuntu-22.04
    needs: [
      docker_linux_tier1,
      docker_linux_tier2,
      #docker_linux_build_std,
      macos,
      windows,
      style_check,
      docker_switch,
      build_channels_linux,
      build_channels_macos,
      build_channels_windows,
      docs,
    ]

    steps:
      - name: Mark the job as successful
        run: exit 0

  end_failure:
    name: bors build finished
    if: github.event.pusher.name == 'bors' && (failure() || cancelled())
    runs-on: ubuntu-22.04
    needs: [
      docker_linux_tier1,
      docker_linux_tier2,
      #docker_linux_build_std,
      macos,
      windows,
      style_check,
      docker_switch,
      build_channels_linux,
      build_channels_macos,
      build_channels_windows,
      docs,
    ]

    steps:
      - name: Mark the job as a failure
        run: exit 1