ruby-tools 0.0.0

//! Gem 包管理器工具
//! 提供 Ruby 包的安装、卸载、列出等功能

use std::env;
use std::fs;
use std::path::PathBuf;

fn main() {
    let args: Vec<String> = env::args().collect();
    if args.len() < 2 {
        print_usage();
        return;
    }

    let command = &args[1];
    match command.as_str() {
        "install" => install_gem(&args[2..]),
        "uninstall" => uninstall_gem(&args[2..]),
        "list" => list_gems(),
        "update" => update_gem(&args[2..]),
        "help" => print_usage(),
        _ => {
            println!("Unknown command: {}", command);
            print_usage();
        }
    }
}

fn print_usage() {
    println!("gem - Ruby package manager");
    println!("Usage:");
    println!("  gem install <gem_name> - Install a gem");
    println!("  gem uninstall <gem_name> - Uninstall a gem");
    println!("  gem list - List installed gems");
    println!("  gem update <gem_name> - Update a gem");
    println!("  gem help - Show this help");
}

fn install_gem(args: &[String]) {
    if args.is_empty() {
        println!("Error: Missing gem name");
        return;
    }
    let gem_name = &args[0];
    println!("Installing gem: {}", gem_name);
    // 这里应该实现实际的安装逻辑
    println!("Gem {} installed successfully", gem_name);
}

fn uninstall_gem(args: &[String]) {
    if args.is_empty() {
        println!("Error: Missing gem name");
        return;
    }
    let gem_name = &args[0];
    println!("Uninstalling gem: {}", gem_name);
    // 这里应该实现实际的卸载逻辑
    println!("Gem {} uninstalled successfully", gem_name);
}

fn list_gems() {
    println!("Installed gems:");
    // 这里应该实现实际的列出逻辑
    println!("  rusty-ruby (0.1.0)");
    println!("  nyar-vm (0.1.0)");
}

fn update_gem(args: &[String]) {
    if args.is_empty() {
        println!("Error: Missing gem name");
        return;
    }
    let gem_name = &args[0];
    println!("Updating gem: {}", gem_name);
    // 这里应该实现实际的更新逻辑
    println!("Gem {} updated successfully", gem_name);
}