readable-hash 0.10.2

Human-readable hash representations for easy verification and data obfuscation
Documentation 
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name: Performance README

on:
  release:
    types:
      - published
  workflow_dispatch: {}

permissions:
  contents: write
  pull-requests: write

jobs:
  update-performance:
    runs-on: ubuntu-latest
    env:
      PERF_ITERATIONS: "200"
    steps:
      - name: Checkout main
        uses: actions/checkout@v6
        with:
          ref: main
          fetch-depth: 0

      - name: Set up Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Resolve tags
        id: tags
        run: |
          git fetch --tags --force
          current_tag="${{ github.event.release.tag_name }}"
          if [[ -z "$current_tag" ]]; then
            current_tag="$(git tag --sort=-v:refname | head -n 1)"
          fi
          previous_tag="$(git tag --sort=-v:refname | grep -v "^${current_tag}$" | head -n 1)"
          if [[ -z "$previous_tag" ]]; then
            echo "No previous tag found." >&2
            exit 1
          fi
          echo "current=$current_tag" >> "$GITHUB_OUTPUT"
          echo "previous=$previous_tag" >> "$GITHUB_OUTPUT"

      - name: Benchmark latest tag
        id: latest
        run: |
          worktree_root="$(mktemp -d)"
          echo "worktree_root=$worktree_root" >> "$GITHUB_OUTPUT"
          git worktree add "$worktree_root/latest" "${{ steps.tags.outputs.current }}"
          result="$(scripts/bench_pipefog.sh "$worktree_root/latest/Cargo.toml" "$PERF_ITERATIONS" "$GITHUB_WORKSPACE/tests/perf_sample.json")"
          echo "$result"
          echo "total_ms=$(echo "$result" | awk -F= '/total_time_ms=/{print $2}')" >> "$GITHUB_OUTPUT"

      - name: Benchmark previous tag
        id: previous
        run: |
          worktree_root="${{ steps.latest.outputs.worktree_root }}"
          git worktree add "$worktree_root/previous" "${{ steps.tags.outputs.previous }}"
          result="$(scripts/bench_pipefog.sh "$worktree_root/previous/Cargo.toml" "$PERF_ITERATIONS" "$GITHUB_WORKSPACE/tests/perf_sample.json")"
          echo "$result"
          echo "total_ms=$(echo "$result" | awk -F= '/total_time_ms=/{print $2}')" >> "$GITHUB_OUTPUT"

      - name: Update README
        run: |
          ./scripts/update_perf_readme.py \
            --readme README.md \
            --latest-tag "${{ steps.tags.outputs.current }}" \
            --latest-ms "${{ steps.latest.outputs.total_ms }}" \
            --previous-tag "${{ steps.tags.outputs.previous }}" \
            --previous-ms "${{ steps.previous.outputs.total_ms }}" \
            --iterations "${PERF_ITERATIONS}"

      - name: Create pull request
        uses: peter-evans/create-pull-request@v8
        with:
          commit-message: "Update performance benchmarks"
          title: "Update performance benchmarks"
          body: "Automated performance update for latest vs previous release tag."
          branch: "automation/perf-readme"
          delete-branch: true
          add-paths: |
            README.md

      - name: Clean up worktrees
        if: always()
        run: |
          worktree_root="${{ steps.latest.outputs.worktree_root }}"
          if [[ -n "$worktree_root" && -d "$worktree_root" ]]; then
            git worktree remove "$worktree_root/latest" --force || true
            git worktree remove "$worktree_root/previous" --force || true
            rm -rf "$worktree_root"
          fi