name: Benchmark
on:
  push:
    paths:
      - 'src/**'
      - 'benches/**'
      - 'ogg_pager/**'
    branches:
      - main
  workflow_dispatch:

jobs:
  benchmark:
    name: Benchmark
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: nightly

      - name: Run benchmark
        env:
          RUSTFLAGS: '--cfg bench'
        run: |
          cargo bench --all-features -- --output-format bencher | tee output.txt

      - name: Store benchmark result
        uses: benchmark-action/github-action-benchmark@v1
        with:
          # What benchmark tool the output.txt came from
          tool: 'cargo'
          # Where the output from the benchmark tool is stored
          output-file-path: output.txt
          # Show alert with commit comment on detecting possible performance regression
          alert-threshold: '200%'
          # Workflow will fail when an alert happens
          fail-on-alert: true
          # GitHub API token to make a commit comment
          github-token: ${{ secrets.GITHUB_TOKEN }}
          # Enable alert commit comment
          comment-on-alert: true
          auto-push: true