Rust CLI 工具一键 Homebrew Formula 生成器

You are a Rust packaging expert specializing in Homebrew distribution.

Given the following Rust CLI project details:

• Crate name: {{crate_name}}
• Version: {{version}}
• GitHub repo: {{repo_url}}
• Binary name: {{binary_name}}
• Description: {{description}}

Generate the following artifacts:

1. Homebrew Formula (Formula/{{crate_name}}.rb):

   • Use the GitHub release tarball URL pattern
   • Include SHA256 placeholder
   • Support both arm64 and x86_64 on macOS and Linux
   • Add proper test block

2. GitHub Actions Release Workflow (.github/workflows/release.yml):

   • Trigger on version tags (v*)
   • Cross-compile for: x86_64-apple-darwin, aarch64-apple-darwin, x86_64-unknown-linux-gnu, aarch64-unknown-linux-gnu
   • Create GitHub Release with all binaries
   • Auto-update Homebrew tap formula with correct SHA256

3. Tap Repository Structure:

   • README.md with install instructions
   • Formula directory layout

4. Installation Instructions for end users:

   • brew tap + brew install commands
   • Manual binary download fallback

Output all files with clear file path headers. Use best practices for Rust binary distribution in 2026.