on:
  pull_request:
  merge_group:

env:
  RUSTFLAGS: -D warnings
  CARGO_TERM_COLOR: always

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

name: bench
jobs:
  iai:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout main sources
        uses: actions/checkout@v3
        with:
          ref: main
          path: main

      - name: Checkout PR sources
        uses: actions/checkout@v3
        with:
          clean: false
          path: pr

      - name: Install Valgrind
        run: |
          sudo apt install valgrind

      - name: Install toolchain
        uses: dtolnay/rust-toolchain@stable

      - uses: Swatinem/rust-cache@v2
        with:
          workspaces: |
            main -> target
            pr -> target
          cache-on-failure: true

      - name: Generate test vectors
        run: |
          cargo run --bin reth --manifest-path main/Cargo.toml -- test-vectors tables
          cp -r testdata main
          mv testdata pr

      - name: Set main baseline
        run: cargo bench --package reth-db --bench iai --manifest-path main/Cargo.toml

      - name: Compare PR benchmark
        shell: 'script -q -e -c "bash {0}"' # required to workaround /dev/tty not being available
        run: |
          ./pr/.github/scripts/compare_iai.sh

  # Checks that benchmarks not run in CI compile
  bench-check:
    name: check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Install toolchain
        uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
      - name: Check if benchmarks build
        run: cargo bench --all --all-features --all-targets --no-run


  bench-success:
    if: always()
    name: bench success
    needs: bench-check
    runs-on: ubuntu-latest
    steps:
      - name: Decide whether the needed jobs succeeded or failed
        uses: re-actors/alls-green@release/v1
        with:
          jobs: ${{ toJSON(needs) }}