full_ci.yaml

name: full CI

on:
  push:
    branches: [ "main" ]
  merge_group:
  pull_request:
    types: [opened, synchronize, reopened]

jobs:
  style_check:
    name: Style check
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v4
      - name: Setup Rust toolchain
        run: sh ./ci/install-rust.sh
      - name: Check style
        run: sh ci/style.sh

  build_channels_linux:
    name: Build Channels Linux
    runs-on: ubuntu-22.04
    env:
      OS: linux
      RUSTFLAGS: -D warnings
    strategy:
      fail-fast: true
      max-parallel: 2
      matrix:
        toolchain:
          - stable
          - 1.74.0
    steps:
      - uses: actions/checkout@v4
      - name: Setup Rust toolchain
        run: TOOLCHAIN=${{ matrix.toolchain }} sh ./ci/install-rust.sh
      - name: Execute run.sh
        run: TOOLCHAIN=${{ matrix.toolchain }} sh ./ci/run.sh

  build_channels_macos:
    name: Build Channels macOS
    env:
      OS: macos
      RUSTFLAGS: -D warnings
    strategy:
      fail-fast: true
      max-parallel: 2
      matrix:
        target:
          - { toolchain: stable, os: macos-14 }
          - { toolchain: 1.74.0, os: macos-14 }
    runs-on: ${{ matrix.target.os }}
    steps:
      - uses: actions/checkout@v4
      - name: Setup Rust toolchain
        run: sh ./ci/install-rust.sh
      - name: Execute build.sh
        run: TOOLCHAIN=${{ matrix.target.toolchain }} sh ./ci/run.sh

  build_channels_windows:
    name: Build Channels Windows
    runs-on: windows-2019
    env:
      OS: windows
      RUSTFLAGS: -D warnings
    strategy:
      fail-fast: true
      matrix:
        toolchain:
          - stable
          - 1.74.0
        target:
          - x86_64-pc-windows-msvc
    steps:
      - uses: actions/checkout@v4
      - name: Self-update rustup
        run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
        shell: bash
      - name: Execute build.sh
        run: TOOLCHAIN=${{ matrix.toolchain }} sh ./ci/run.sh
        shell: bash

  check_cfg:
    name: "Check #[cfg]s"
    runs-on: ubuntu-22.04
    env:
      RUSTFLAGS: -D warnings
    steps:
      - uses: actions/checkout@v4
      - name: Setup Rust toolchain
        run: TOOLCHAIN=nightly sh ./ci/install-rust.sh
      - name: Build with check-cfg
        run: LIBC_CHECK_CFG=1 cargo build -Z unstable-options -Z check-cfg

  # One job that "summarizes" the success state of this pipeline. This can then be added to branch
  # protection, rather than having to add each job separately.
  success:
    name: success
    runs-on: ubuntu-22.04
    needs:
      - style_check
      - build_channels_linux
      - build_channels_macos
      - build_channels_windows
    # Github branch protection is exceedingly silly and treats "jobs skipped because a dependency
    # failed" as success. So we have to do some contortions to ensure the job fails if any of its
    # dependencies fails.
    if: always() # make sure this is never "skipped"
    steps:
      # Manually check the status of all dependencies. `if: failure()` does not work.
      - name: check if any dependency failed
        run: jq --exit-status 'all(.result == "success")' <<< '${{ toJson(needs) }}'