rust.yml

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:
  check:
    name: Cargo check
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3

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

      - name: Rust Cache
        uses: Swatinem/rust-cache@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3

      - 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

  machete:
    name: Check unused dependencies
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v4

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

      - name: Rust Cache
        uses: Swatinem/rust-cache@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3

      - name: Install cargo-machete
        run: cargo install cargo-machete

      - name: Check unused dependencies
        uses: actions-rs/cargo@v1.0.3
        with:
          command: machete

  wasm:
    name: Check WASM compatibility
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3

      - 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@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3

      - name: Check all features
        uses: actions-rs/cargo@v1.0.3
        with:
          command: check
          # Test targets don't compile to WASM successfully because
          # we run tests using BitVec<u64,_> which doesn't.
          args: --all-features --target wasm32-unknown-unknown

  no_std:
    name: Check no_std build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3

      - 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@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3

      - 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 no_std compatible.
          args: --no-default-features --target aarch64-unknown-none --features primitive-types,derive

  fmt:
    name: Cargo fmt
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3

      - 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@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3

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

  diff-readme-files:
    name: Check that READMEs are identical
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3

      - name: Diff READMEs
        run: diff -q README.md scale-decode/README.md

  docs:
    name: Check documentation
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3

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

      - name: Rust Cache
        uses: Swatinem/rust-cache@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3

      - 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@v3

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

      - name: Rust Cache
        uses: Swatinem/rust-cache@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3

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

      - name: Cargo test no_std
        uses: actions-rs/cargo@v1.0.3
        with:
          command: test
          args: --all-targets --workspace --no-default-features --features derive,primitive-types

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

  clippy:
    name: Cargo clippy
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3

      - 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@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3

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