StarRocks Upgrade Skill

Compares two local branches of a StarRocks repository to identify upgrade risks. Four-phase analysis: data collection, per-commit diff analysis, deep impact investigation, and report synthesis. Runs 11 scanners + per-commit diff tier classification for comprehensive compatibility checking with unified impact assessment.

Requires local StarRocks source code. This tool operates entirely on local git history — no network calls needed (except optional --fetch-prs).

Prerequisites

• Python 3 (standard library only)
• git (for branch diff)
• gh (GitHub CLI, authenticated — only needed for --fetch-prs)
• PyYAML (optional — only needed for --cluster-profile)
• StarRocks 官方文档（本地仓库内）：docs/zh/ 目录，生成升级报告时必须参考以下文档：
  • docs/zh/deployment/upgrade.md — 升级流程（升级顺序、兼容性配置、注意事项）
  • docs/zh/deployment/deployment_prerequisites.md — 部署先决条件（JDK 版本等）
  • docs/zh/release_notes/ — 各版本 Release Notes