on:
  push: # Run CI for all branches except GitHub merge queue tmp branches
    branches-ignore:
    - "gh-readonly-queue/**"
  pull_request: # Run CI for PRs on any branch
  merge_group: # Run CI for the GitHub merge queue

name: Code formatting check

jobs:
  fmt:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: nightly
          components: rustfmt
      - run: cargo fmt --check