benchmark.yml

name: Benchmark

on:
  push:
    branches: [main]
  workflow_call:

permissions:
  contents: write
  pull-requests: write

jobs:
  benchmark:
    name: Run Benchmarks
    runs-on: ubuntu-latest
    outputs:
      has_benchmarks: ${{ steps.check_results.outputs.has_benchmarks }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: "1.24"

      - name: Run benchmarks
        run: |
          go test -bench=. -benchmem -benchtime=100ms -timeout=5m -run=^$ \
            ./pkg/catalog/... \
            ./pkg/ui/profiles/... \
            ./pkg/workspace/... \
            ./internal/preferences/... | tee benchmark.txt || true

      - name: Check if benchmark results exist
        id: check_results
        run: |
          if grep -q "Benchmark" benchmark.txt; then
            echo "has_benchmarks=true" >> $GITHUB_OUTPUT
            SIZE=$(ls -lh benchmark.txt | awk '{print $5}')
            echo "📊 Benchmark results found (Size: $SIZE)."
          else
            echo "has_benchmarks=false" >> $GITHUB_OUTPUT
            echo "No benchmarks found in the codebase."
          fi

      - name: Create gh-pages branch if it does not exist
        if: steps.check_results.outputs.has_benchmarks == 'true'
        run: |
          if ! git ls-remote --exit-code --heads origin gh-pages; then
            CURRENT_SHA=$(git rev-parse HEAD)
            git checkout --orphan gh-pages
            git rm -rf .
            git commit --allow-empty -m "Initial gh-pages commit"
            git push origin gh-pages
            git checkout $CURRENT_SHA
          fi

      - name: Store benchmark result
        uses: benchmark-action/github-action-benchmark@v1.20.3
        if: steps.check_results.outputs.has_benchmarks == 'true' && ((github.event_name == 'push' && github.ref == 'refs/heads/main') || github.event_name == 'workflow_call')
        with:
          name: Go Benchmark
          tool: "go"
          output-file-path: benchmark.txt
          github-token: ${{ secrets.GITHUB_TOKEN }}
          auto-push: true
          fail-on-alert: false

      - name: Compare benchmark results (PR)
        uses: benchmark-action/github-action-benchmark@v1.20.3
        if: steps.check_results.outputs.has_benchmarks == 'true' && github.event_name == 'pull_request'
        continue-on-error: true
        with:
          name: Go Benchmark
          tool: "go"
          output-file-path: benchmark.txt
          github-token: ${{ secrets.GITHUB_TOKEN }}
          auto-push: false
          comment-always: true
          fail-on-alert: false