lint.yaml

name: Formatting and lints

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

# Cancel already running jobs
concurrency:
  group: lints_${{ github.head_ref }}
  cancel-in-progress: true

env:
  CARGO_TERM_COLOR: always
  RUST_BACKTRACE: 1

jobs:
  job:
    name: Formatting and lints
    runs-on: ubuntu-20.04
    steps:
    - uses: actions/checkout@v4
    - uses: Swatinem/rust-cache@v2
      with:
        # this line means that only the main branch writes to the cache
        # benefits:
        # * prevents main branch caches from being evicted in favor of a PR cache
        # * saves about 1min per workflow by skipping the actual cache write
        # downsides:
        # * PRs that update rust version or changes deps will be slow to iterate on due to changes not being cached.
        save-if: ${{ github.ref == 'refs/heads/main' }}
    - name: cache custom ubuntu packages
      uses: actions/cache@v4
      with:
        path: shotover-proxy/build/packages
        key: ubuntu-20.04-packages
    - name: Install ubuntu packages
      run: shotover-proxy/build/install_ubuntu_packages.sh
    - name: Install cargo-hack
      uses: taiki-e/install-action@v2
      with:
        tool: cargo-hack@0.6.16
    - name: Ensure `cargo fmt --all` was run
      run: cargo fmt --all -- --check
    - name: Ensure that all crates compile and have no warnings under every possible combination of features
      # some things to explicitly point out:
      # * clippy also reports rustc warnings and errors
      # * clippy --all-targets causes clippy to run against tests and examples which it doesnt do by default.
      run: cargo hack --feature-powerset --at-least-one-of valkey,cassandra,kafka,opensearch clippy --all-targets --locked -- -D warnings
    - name: Report disk usage
      run: |
        df -h

        echo -e "\ntarget dir usage:"
        du -h $PWD/target

        echo -e "\n.cargo dir usage:"
        du -h ~/.cargo
    - name: Ensure that tests did not create or modify any files that arent .gitignore'd
      run: |
        if [ -n "$(git status --porcelain)" ]; then
          git status
          exit 1
        fi