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SGLang Release Lookup Tool

docs/release_lookup/README.md

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SGLang Release Lookup Tool

This tool allows users to find the earliest release that contains a specific PR or commit. It runs entirely in the browser using a static JSON index generated from the git history.

Usage

  1. Generate the Index: Run the Python script to generate the release_index.json file from your local git repository.

    bash
    python3 generate_index.py --output release_index.json

    This script:

    • Finds all tags matching v* and gateway-v*.
    • Sorts them by creation date.
    • Traverses the history to find which release first introduced each commit and PR.
    • Extracts PR numbers from commit messages.

  2. Open the Tool: Open index.html in your browser.

    bash
    # You can open it directly if your browser supports local file fetch (Firefox usually does),
# or serve it locally:
python3 -m http.server
# Then go to http://localhost:8000/index.html

Files

  • index.html: The UI for the lookup tool.
  • generate_index.py: Script to build the index.
  • release_index.json: The index file used by the UI.

Logic

The tool determines the "earliest release" based on the tag creation date. It traverses tags from oldest to newest. Any commit reachable from a tag (that wasn't reachable from a previous tag) is assigned to that release.