ci.yml

name: CI

permissions:
  contents: read

on:
  pull_request:
  push:
    branches:
      - staging
  schedule:
    - cron: '0 1 * * *'

env:
  CARGO_INCREMENTAL: 0
  CARGO_NET_GIT_FETCH_WITH_CLI: true
  CARGO_NET_RETRY: 10
  CARGO_TERM_COLOR: always
  RUST_BACKTRACE: 1
  RUSTDOCFLAGS: -D warnings
  RUSTFLAGS: -D warnings
  RUSTUP_MAX_RETRIES: 10

defaults:
  run:
    shell: bash

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
  cancel-in-progress: true

jobs:
  # Test crates on their minimum Rust versions and nightly Rust.
  test:
    env:
      RUST_VERSION: ${{ matrix.rust }}
      RUST_TARGET: ${{ matrix.target }}
    strategy:
      fail-fast: false
      matrix:
        # aarch64/x86_64 macOS and aarch64 Linux are tested on Cirrus CI
        include:
          - rust: '1.38'
            os: ubuntu-latest
          - rust: '1.38'
            os: windows-latest
          - rust: stable
            os: ubuntu-latest
          - rust: stable
            os: windows-latest
          - rust: nightly
            os: ubuntu-latest
          - rust: nightly
            os: windows-latest
          - rust: nightly
            os: ubuntu-latest
            target: i686-unknown-linux-gnu
          - rust: nightly
            os: ubuntu-latest
            target: armv7-unknown-linux-gnueabihf
          # Test 32-bit target that does not have AtomicU64/AtomicI64.
          - rust: nightly
            os: ubuntu-latest
            target: armv5te-unknown-linux-gnueabi
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v3
      - name: Install Rust
        # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
        run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
      - uses: taiki-e/setup-cross-toolchain-action@v1
        with:
          target: ${{ matrix.target }}
        if: matrix.target != ''
      - name: Test
        run: ./ci/test.sh

  # Check all feature combinations works properly.
  features:
    env:
      RUST_VERSION: ${{ matrix.rust }}
    strategy:
      fail-fast: false
      matrix:
        rust:
          - '1.38'
          - nightly
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Install Rust
        run: rustup update ${{ matrix.rust }} && rustup default ${{ matrix.rust }}
      - name: Install cargo-hack
        uses: taiki-e/install-action@cargo-hack
      - name: Check features
        run: ./ci/check-features.sh

  # Check for duplicate dependencies.
  dependencies:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Install Rust
        run: rustup update nightly && rustup default nightly
      - name: Install cargo-hack
        uses: taiki-e/install-action@cargo-hack
      - name: Install cargo-minimal-versions
        uses: taiki-e/install-action@cargo-minimal-versions
      - name: dependency tree check
        run: ./ci/dependencies.sh

  # When this job failed, run ci/no_atomic.sh and commit result changes.
  codegen:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    steps:
      - uses: actions/checkout@v3
      - name: Install Rust
        run: rustup update nightly && rustup default nightly
      - run: ci/no_atomic.sh
      - run: git add -N . && git diff --exit-code
        if: github.repository_owner != 'crossbeam-rs' || github.event_name != 'schedule'
      - id: diff
        run: |
          git config user.name "Taiki Endo"
          git config user.email "te316e89@gmail.com"
          git add -N .
          if ! git diff --exit-code; then
              git add .
              git commit -m "Update no_atomic.rs"
              echo "::set-output name=success::false"
          fi
        if: github.repository_owner == 'crossbeam-rs' && github.event_name == 'schedule'
      - uses: peter-evans/create-pull-request@v5
        with:
          title: Update no_atomic.rs
          body: |
            Auto-generated by [create-pull-request][1]
            [Please close and immediately reopen this pull request to run CI.][2]

            [1]: https://github.com/peter-evans/create-pull-request
            [2]: https://github.com/peter-evans/create-pull-request/blob/HEAD/docs/concepts-guidelines.md#workarounds-to-trigger-further-workflow-runs
          branch: update-no-atomic-rs
        if: github.repository_owner == 'crossbeam-rs' && github.event_name == 'schedule' && steps.diff.outputs.success == 'false'

  # Check formatting.
  rustfmt:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Install Rust
        run: rustup update stable
      - name: rustfmt
        run: ./ci/rustfmt.sh

  # Check clippy.
  clippy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Install Rust
        run: rustup update stable
      - name: clippy
        run: ./ci/clippy.sh

  # Run miri.
  miri:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Install Rust
        run: rustup toolchain install nightly --component miri && rustup default nightly
      - name: miri
        run: ./ci/miri.sh

  # Run cargo-careful.
  careful:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Install Rust
        run: rustup toolchain install nightly --component rust-src && rustup default nightly
      - uses: taiki-e/install-action@cargo-careful
      - name: Run cargo-careful
        run: ./ci/careful.sh

  # Run sanitizers.
  san:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Install Rust
        run: rustup update nightly && rustup default nightly
      - name: Run sanitizers
        run: ./ci/san.sh

  # Run loom tests.
  loom:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Install Rust
        run: rustup update stable
      - name: loom
        run: ./ci/crossbeam-epoch-loom.sh

  # Check if the document can be generated without warning.
  docs:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Install Rust
        run: rustup update nightly && rustup default nightly
      - name: docs
        run: ./ci/docs.sh

  shellcheck:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Install shellcheck
        uses: taiki-e/install-action@shellcheck
      - run: shellcheck $(git ls-files '*.sh')

  # This job doesn't actually test anything, but they're 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 NEEDS TO BE ADDED TO THE `needs` SECTION OF THIS JOB!

  ci-success:
    name: ci
    if: github.event_name == 'push' && success()
    needs:
      - test
      - features
      - dependencies
      - codegen
      - rustfmt
      - clippy
      - miri
      - careful
      - san
      - loom
      - docs
      - shellcheck
    runs-on: ubuntu-latest
    steps:
      - name: Mark the job as a success
        run: exit 0