on:
  push:
    branches:
      - master
      - staging
      - trying
  pull_request:

name: CI

jobs:
  tests:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        rust:
          - stable
          - beta
    steps:
      - uses: actions/checkout@v2

      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: ${{ matrix.rust }}
          override: true
          components: rustfmt, clippy

      - uses: actions-rs/cargo@v1
        with:
          command: build
          # --all-targets ensures that we also build tests
          args: --all-features --all-targets

      - uses: actions-rs/cargo@v1
        with:
          command: test

      - uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check

      - uses: actions-rs/cargo@v1
        with:
          command: clippy
          args: --all-targets -- -D warnings

  # Reduced build for the Minimum Supported Rust Version. It does not include the lints as some of
  # them are out-of-date and result in false positives on the codebase, e.g. mutex_atomic.
  msrv:
    name: MSRV
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2

      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: "1.51"
          override: true

      - uses: actions-rs/cargo@v1
        with:
          command: test

  miri:
    name: Miri
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2

      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: nightly
          override: true
          components: miri, rust-src

      - uses: actions-rs/cargo@v1
        with:
          command: miri
          args: test