formatting.yml

name: Formatting

on:
  pull_request:
  merge_group:
  push:
    branches:
      - master

# This will cancel previous runs when a branch or PR is updated
concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.ref || github.run_id }}
  cancel-in-progress: true

jobs:
  clippy:
    name: cargo clippy
    runs-on: ubuntu-22.04
    timeout-minutes: 30
    env:
      RUSTFLAGS: -Dwarnings

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup toolchain
        uses: dtolnay/rust-toolchain@1.75.0
        with:
          targets: x86_64-unknown-linux-gnu
          components: clippy, rustfmt

      - uses: Swatinem/rust-cache@v2
        with:
          key: x86_64-unknown-linux-gnu
          cache-on-failure: true
          save-if: ${{ github.event_name != 'merge_group' }}

      - name: Run `cargo clippy`
        run: cargo clippy --all-targets --workspace --locked --release

  rustfmt:
    name: cargo fmt
    runs-on: ubuntu-22.04
    timeout-minutes: 30
    env:
      RUSTFLAGS: -Dwarnings

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup toolchain
        uses: dtolnay/rust-toolchain@1.75.0
        with:
          targets: x86_64-unknown-linux-gnu
          components: clippy, rustfmt

      - uses: Swatinem/rust-cache@v2
        with:
          key: x86_64-unknown-linux-gnu
          cache-on-failure: true
          save-if: ${{ github.event_name != 'merge_group' }}

      - name: Run `cargo fmt`
        run: cargo fmt --all --check

  eslint:
    name: eslint
    runs-on: ubuntu-22.04
    timeout-minutes: 30

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install Yarn dependencies
        uses: ./.github/actions/setup

      - name: Run `yarn lint`
        run: yarn lint

  build-nargo:
    runs-on: ubuntu-22.04
    timeout-minutes: 30

    steps:
      - name: Checkout Noir repo
        uses: actions/checkout@v4

      - name: Setup toolchain
        uses: dtolnay/rust-toolchain@1.75.0

      - uses: Swatinem/rust-cache@v2
        with:
          key: x86_64-unknown-linux-gnu
          cache-on-failure: true
          save-if: ${{ github.event_name != 'merge_group' }}

      - name: Build Nargo
        run: cargo build --package nargo_cli --release

      - name: Package artifacts
        run: |
          mkdir dist
          cp ./target/release/nargo ./dist/nargo

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: nargo
          path: ./dist/*
          retention-days: 3

  nargo_fmt:
    needs: [build-nargo]
    name: Nargo fmt
    runs-on: ubuntu-22.04
    timeout-minutes: 30

    steps:
      - name: Checkout
        uses: actions/checkout@v4
      
      - name: Download nargo binary
        uses: actions/download-artifact@v4
        with:
          name: nargo
          path: ./nargo
            
      - name: Set nargo on PATH
        run: |
          nargo_binary="${{ github.workspace }}/nargo/nargo"
          chmod +x $nargo_binary
          echo "$(dirname $nargo_binary)" >> $GITHUB_PATH
          export PATH="$PATH:$(dirname $nargo_binary)"
          nargo -V

      - name: Format stdlib
        working-directory: ./noir_stdlib
        run: nargo fmt --check

      - name: Format test suite
        working-directory: ./test_programs
        run: ./format.sh check

  # This is a job which depends on all test jobs and reports the overall status.
  # This allows us to add/remove test jobs without having to update the required workflows.
  formatting-end:
    name: Formatting End
    runs-on: ubuntu-22.04
    # We want this job to always run (even if the dependant jobs fail) as we want this job to fail rather than skipping.
    if: ${{ always() }}
    needs:
      - clippy
      - rustfmt
      - eslint
      - nargo_fmt

    steps:
        - name: Report overall success
          run: |
            if [[ $FAIL == true ]]; then
                exit 1
            else
                exit 0
            fi
          env:
            # We treat any skipped or failing jobs as a failure for the workflow as a whole.
            FAIL: ${{ contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled') || contains(needs.*.result, 'skipped') }}