name: Rust

on:
  push:
    # Run jobs when commits are pushed to
    # main:
    branches:
      - main
  pull_request:
    # Run jobs for any external PR that wants
    # to merge to main, too:
    branches:
      - main

env:
  CARGO_TERM_COLOR: always

jobs:
  build:
    name: Cargo check
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2

      - name: Install Rust stable toolchain
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true

      - name: Rust Cache
        uses: Swatinem/rust-cache@v1.3.0

      - name: Check all features
        uses: actions-rs/cargo@v1.0.3
        with:
          command: check
          args: --all-targets --all-features --workspace

      - name: Check no features
        uses: actions-rs/cargo@v1.0.3
        with:
          command: check
          args: --all-targets --no-default-features --workspace
        
      - name: Check legacy + error-tracing + no-std
        uses: actions-rs/cargo@v1.0.3
        with:
          command: check
          args: --all-targets --no-default-features --features legacy,error-tracing --workspace

  wasm:
    name: Check WASM compatibility
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2

      - name: Install Rust stable toolchain
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          target: wasm32-unknown-unknown
          override: true

      - name: Rust Cache
        uses: Swatinem/rust-cache@v1.3.0

      - name: Check all features
        uses: actions-rs/cargo@v1.0.3
        with:
          command: check
          args: --all-targets --no-default-features --features legacy,error-tracing --target wasm32-unknown-unknown

  fmt:
    name: Cargo fmt
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2

      - name: Install Rust stable toolchain
        uses: actions-rs/toolchain@v1
        with:
            profile: minimal
            toolchain: stable
            override: true
            components: rustfmt

      - name: Rust Cache
        uses: Swatinem/rust-cache@v1.3.0

      - name: Cargo fmt
        uses: actions-rs/cargo@v1.0.3
        with:
          command: fmt
          args: --all -- --check

  docs:
    name: Check documentation
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2

      - name: Install Rust stable toolchain
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true

      - name: Rust Cache
        uses: Swatinem/rust-cache@v1.3.0

      - name: Check internal documentation links
        run: RUSTDOCFLAGS="--deny rustdoc::broken_intra_doc_links" cargo doc -vv --workspace --no-deps --document-private-items

  tests:
    name: Cargo test
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2

      - name: Install Rust stable toolchain
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true

      - name: Rust Cache
        uses: Swatinem/rust-cache@v1.3.0

      - name: Cargo test
        uses: actions-rs/cargo@v1.0.3
        with:
          command: test
          args: --all-targets --workspace

      - name: Cargo test docs
        uses: actions-rs/cargo@v1.0.3
        with:
          command: test
          args: --doc --workspace

      - name: Cargo test examples
        uses: actions-rs/cargo@v1.0.3
        with:
          command: test
          args: --examples --workspace

  clippy:
    name: Cargo clippy
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2

      - name: Install Rust stable toolchain
        uses: actions-rs/toolchain@v1
        with:
            profile: minimal
            toolchain: stable
            components: clippy
            override: true

      - name: Rust Cache
        uses: Swatinem/rust-cache@v1.3.0

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

  no_std:
    name: Check no_std build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2

      - name: Install Rust stable toolchain
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          target: aarch64-unknown-none
          override: true

      - name: Rust Cache
        uses: Swatinem/rust-cache@v1.3.0

      - name: Check no_std build
        uses: actions-rs/cargo@v1.0.3
        with:
          command: check
          # The aarch64-unknown-none doesn't support `std`, so this
          # will fail if the crate is not fully no_std compatible.
          args: --target aarch64-unknown-none --no-default-features --features legacy,error-tracing