Unlucky Launcher v0.0.1-alpha
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Rust 原生单文件 Minecraft 启动器:CLI 完整可用(install/launch/accounts/java/diagnose/agent),
MCP server 接入外部 Agent 工具,GUI 开发中。
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AskaEth committed 2026-10-31 21:54:10 +08:00
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//! 元命令:`--version` / 无子命令 / `help`。
use serde_json::json;
use crate::cli::help;
use crate::os;
use crate::output::Report;
/// 启动器名(`${launcher_name}` 与 `--version` 输出共用)。
pub const LAUNCHER_NAME: &str = "UnluckyLauncher";
/// 版本 + 系统摘要(`ull --version`,D19 §5-2 要求附带 os 摘要)。
///
/// 探测走 `core::platform::os_info::current()`(进程内缓存),未达基线时附带升级指引。
#[must_use]
pub fn version() -> Report {
let info = os::detect();
let data = json!({
"name": "ull",
"package": env!("CARGO_PKG_NAME"),
"version": env!("CARGO_PKG_VERSION"),
"os": os::to_json(&info),
});
let mut human = vec![
format!(
"ull {}({})",
env!("CARGO_PKG_VERSION"),
env!("CARGO_PKG_NAME")
),
format!("os: {}", os::summary_line(&info)),
];
human.extend(os::notes(&info));
Report::new(data, human)
}
/// 无子命令:版本摘要 + 帮助(用户原话「无子命令时 --version + --help」)。
#[must_use]
pub fn welcome() -> Report {
let version_report = version();
let mut human = version_report.human;
human.push(String::new());
human.extend(help::general().lines().map(str::to_string));
let mut data = version_report.data;
data["help"] = json!(help::general());
Report::new(data, human)
}
/// 帮助(`ull help <命令>` 给该命令,未知主题退回总帮助)。
#[must_use]
pub fn help(topic: Option<&str>) -> Report {
let text = topic.and_then(help::topic).unwrap_or_else(help::general);
let data = json!({
"topic": topic,
"text": text,
});
Report::new(data, text.lines().map(str::to_string).collect())
}