name: performance evidence

on:
  push:
    paths:
      - "benchmarks/**"
      - "tools/performance/**"
      - "crates/libremetaverse/src/inventory.rs"
      - "crates/libremetaverse/src/targa.rs"
      - ".gitea/workflows/performance.yml"
      - "Cargo.toml"
      - "Cargo.lock"
  pull_request:
    paths:
      - "benchmarks/**"
      - "tools/performance/**"
      - "crates/libremetaverse/src/inventory.rs"
      - "crates/libremetaverse/src/targa.rs"
      - ".gitea/workflows/performance.yml"
      - "Cargo.toml"
      - "Cargo.lock"

jobs:
  audit:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: 1.97.1
          components: rustfmt, clippy
      - uses: actions/setup-dotnet@v4
        with:
          dotnet-version: |
            8.0.x
            10.0.x
      - name: Check out pinned C# reference
        run: |
          git clone --filter=blob:none https://github.com/cinderblocks/libremetaverse.git "$RUNNER_TEMP/libremetaverse"
          git -C "$RUNNER_TEMP/libremetaverse" checkout 2aa70bb68513b39795da5d13c88f31b86e85a3ba
      - name: Compile separate C# reference runner
        run: >-
          dotnet build benchmarks/csharp-reference/MetaCrate.ReferenceBenchmarks.csproj
          -c Release -p:ReferenceRoot="$RUNNER_TEMP/libremetaverse"
      - name: Verify harness
        run: cargo test -p metacrate-performance --profile benchmark --locked -j1
      - name: Audit committed evidence
        run: >-
          cargo run -p metacrate-performance --profile benchmark --locked -j1 --
          audit --fixture-root benchmarks/fixtures
          --rust benchmarks/results/rust-linux-x86_64.json
          --reference benchmarks/results/csharp-linux-x86_64.json
          --comparison benchmarks/results/comparison.json