ci_with_rust_nightly.yml

# We should abstract yml code in this file and the normal Rust CI,
#   - see https://docs.github.com/en/actions/using-workflows/reusing-workflows
on:
  workflow_dispatch:
  schedule:
    - cron: "22 22 * * *" # run daily at 22:22 UTC

name: Nightly Rust CI

permissions:
  actions: write
  # Used by clippy action to report lint errors.
  checks: write
  contents: read

env:
  # See https://matklad.github.io/2021/09/04/fast-rust-builds.html#CI-Workflow.
  # Speeds up CI builds, which won't have previous results anyway.
  CARGO_INCREMENTAL: 0

jobs:
  rust_check:
    name: Nightly Rust Check
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3

      # TODO: Cache the toolchain?
      - name: Nightly Install nightly toolchain
        id: toolchain
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: nightly
          default: true
          override: true
          components: clippy

      - uses: awalsh128/cache-apt-pkgs-action@latest
        with:
          packages: protobuf-compiler lld
          version: 1.0

      # For caching, we use a special `rust-cache` action, which ensures we
      # cache based on the architecture, and also deletes stuff that shouldn't
      # be put in the cache (such as the toolchain).
      #
      # See
      # https://matklad.github.io/2021/09/04/fast-rust-builds.html#CI-Caching.
      #
      # This currently saves the cache on each branch. This may exceed GitHub's
      # cache size limit. If we start hitting that, we could choose to only
      # cache the `main` branch, which would provide caching for cases where the
      # dependencies of crates haven't changed. See
      # https://github.com/Swatinem/rust-cache/issues/95.
      - name: Nightly Cache Rust Dependencies
        uses: Swatinem/rust-cache@v2
        with:
          # Cache the rocksdb crate. https://github.com/MystenLabs/sui/pull/1164
          cache-directories: "~/.cargo/registry/src/**/librocksdb-sys-*"

      - name: Nightly Run cargo check
        uses: actions-rs/cargo@v1
        with:
          command: check

      - name: Nightly Cargo Test (Compile)
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --no-run --locked

      - name: Nightly Cargo Test (Run)
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: -- --nocapture --quiet

      - name: Nightly Cargo Build
        uses: actions-rs/cargo@v1
        with:
          command: build

      - name: Nightly Cargo Clippy
        uses: actions-rs/clippy-check@v1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          # The `lib.rs` or `bin.rs` files for each create *should* specify the same
          # flags to ensure vscode, etc. reports warnings. But, specifying them in the
          # CI protects against cases where we forgot to do that.
          args: >
            -- -Dwarnings -Drust-2018-idioms -Dnonstandard-style -Dfuture-incompatible
            -Dclippy::mod_module_files
            -Dclippy::print-stdout
            -Dclippy::print-stderr
            -Dclippy::undocumented-unsafe-blocks

  rust_format:
    name: Nightly Rust Format
    runs-on: ubuntu-latest
    steps:
      - name: Nightly Checkout sources
        uses: actions/checkout@v3

      - name: Nightly Install stable toolchain
        id: toolchain
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: nightly
          override: true
          default: true
          components: rustfmt

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