feat(game): 从其他启动器只读登记已有版本(ull instances scan|adopt)+ 登记可一并定隔离档(M221)
盘上已经铺好的版本(多半是 PCL/HMCL 装的)今天在 ULL 里看不见,用户只能重装一遍。这个 commit 把它们登记成实例,**只读外部、只写自己的配置**:不搬文件、不补清单、不改任何外部 文件的 mtime(versions/ libraries/ assets/ 一个字节都不写)。 core(`game::adopt`,新模块): - `scan` / `inspect`:只读扫描 + 逐项检查,坏 JSON(带行列号)/ 缺 id / id 与目录名不一致 / 缺父 / 成环 / 读不出来 / 越界 / 同名冲突一律**结构化**报错(稳定 `code`),不吞成空列表; `versions/` 不存在才是空结果,读不了就是错误; - 越界判据用 canonicalize 后的前缀比较,同时覆盖**符号链接、Windows 目录联接(junction)与 祖先链接**(junction 不需要管理员权限,是最常见的「把别人版本目录挂进来」);越界条目在 边界检查就停手,一个字节都不去读; - `plan`(零写盘,喂 dry-run 与后续 GUI 预检)/ `adopt`(plan + 只写自己的配置): **缺省运行目录落 ULL 数据区 `<data>/instances/<实例目录名>`(custom 档),绝不沿用全局 `isolated`**——那条缺省的运行目录正是 `versions/<versionId>/`,会在他人的版本目录里长出 mods/saves/config;`shared` / `isolated` 必须显式选,且 `target_notes()` 给出后果话术; - 缺省运行目录已存在且非空 ⇒ 拒绝(不覆盖、不猜「合并进已有实例」);数据区里已有的祖先 若解析到数据根之外(符号链接/联接)⇒ 拒绝,不沿它写盘; - 登记与隔离档一次写清:`install/instance` 拆出 `register` 子模块,新增 `register_with(InstanceSettings)`;写盘顺序改成「先实例设置、后 profiles」(中断只留孤立 设置文件,不会留下按全局档启动的实例),profiles 写失败会撤掉刚写的设置。`register` 签名与行为不变(`register` = `register_with(inherit)`;同版本同名的幂等复用照旧)。 CLI: - `ull instances scan`(只读列出候选与原因)、`ull instances adopt <version-id> [--name N] [--isolation shared|isolated|custom] [--game-dir DIR] [--dry-run]`;`--game-dir` 单独给即 custom,相对路径在解析期就报用法错误; - 人读/`--json`/help 三条出口齐备(`error.detail.problems` 逐条可分流),已有命令未改。 测试(真磁盘夹具,`cargo test -p unlucky-core --test adopt` 22 passed / `cargo test -p unlucky-cli --test adopt_test` 10 passed): - 一份「别的启动器铺好的」`.minecraft`(versions/libraries/assets/mods/saves/config + launcher_profiles.json),扫描与登记前后做「路径集合 + 字节数 + 内容哈希 + mtime」全等断言; - 正常 / 缺清单 / 坏 JSON / 缺父 / 成环 / id 不匹配 / 非法 id / 符号链接越界 / 根内符号链接 放行 / **junction 越界** / 数据区 junction 写盘边界 / 缺省非 isolated / shared 与 isolated 的话术 / 重名 / 重复 / 非空目录 / 空目录复用 / dry-run 零写盘; - CLI 侧验 `launch --dry-run` 的 `--gameDir` 指向选定运行目录(argv 已脱敏,比尾段; `data.game_dir` 全等); - 变异核对(只改实现、跑完即回滚):缺省档改 `VersionDir` ⇒ 红;边界判据摘掉 ⇒ 符号链接与 junction 两条红;写盘边界摘掉 ⇒ 数据区 junction 那条红;缺父当链终点 ⇒ 两条红。 界限:没有启动真实 Minecraft;GUI(presenter/app-iced)接线另派;D20 单游戏根模型未改 (不扫第二个 `.minecraft`)。
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//! 命令面:help 文案、用法错误、错误码——不碰数据或者只碰「拒绝」那条路。
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//!
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//! 从 `tests/adopt_test.rs` 拆出来只为守 400 行硬线;搬动是纯搬,断言未变。
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use crate::support::{parse_json, run_cli, TempDir};
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use crate::fixture::foreign_data_root;
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/// 运行目录选项的用法错误:一律退出码 1 + `code=usage`(不是内部错误)。
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///
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/// 抓得住:`--isolation custom` 少 `--game-dir` 被默默当成缺省、`shared` 同时给 `--game-dir`
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/// 被静默忽略、未知词被当缺省。
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/// 抓不住:提示文案的措辞(只断言 code 与关键字)。
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#[test]
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fn isolation_option_misuse_is_a_usage_error() {
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let dir = TempDir::new("adopt-usage");
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foreign_data_root(dir.path());
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let cases: Vec<Vec<&str>> = vec![
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vec!["--isolation", "custom"],
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vec!["--isolation", "shared", "--game-dir", "C:/tmp/x"],
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vec!["--isolation", "nope"],
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vec!["--game-dir", "relative/dir"],
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];
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for extra in cases {
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let mut args = vec!["instances", "adopt", "1.20.1", "--json", "--data-dir"];
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let dir_arg = dir.arg();
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args.push(&dir_arg);
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args.extend(extra.iter().copied());
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let (code, stdout, stderr) = run_cli(&args);
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assert_eq!(code, 1, "args={args:?}\nstdout={stdout}\nstderr={stderr}");
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let value = parse_json(&stdout);
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assert_eq!(
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value["error"]["code"], "usage",
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"args={args:?} 应是用法错误:{stdout}"
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);
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}
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}
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/// 不存在的版本 ⇒ `adopt_version_not_found`(不联网、不偷偷装一个)。
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///
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/// 抓得住:不存在的 id 被登记成功。
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/// 抓不住:`versions/` 整个不存在时 `scan` 的空结果(core 侧用例覆盖)。
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#[test]
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fn unknown_version_reports_not_found() {
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let dir = TempDir::new("adopt-unknown");
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foreign_data_root(dir.path());
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let (code, stdout, _) = run_cli(&[
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"instances",
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"adopt",
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"9.9.9",
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"--json",
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"--data-dir",
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&dir.arg(),
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]);
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assert_eq!(code, 1, "{stdout}");
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assert_eq!(
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parse_json(&stdout)["error"]["code"],
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"adopt_version_not_found"
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);
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}
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/// help 里必须有这两条命令(新命令不留「有实现没文档」的状态),且旧命令仍在。
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///
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/// 抓得住:help 漏列 `instances scan` / `instances adopt`(子串断言),或把旧的
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/// `instances launch-args` / `pack import` 弄丢。
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/// 抓不住:帮助文案与真实行为是否一致(那要靠上面的行为用例 + 人读)。
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#[test]
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fn help_lists_the_new_subcommands_next_to_the_old_ones() {
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let general = unlucky_cli::cli::help::general();
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for needle in [
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"instances scan",
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"instances adopt",
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"instances list",
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"install <version>",
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] {
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assert!(general.contains(needle), "总帮助缺 `{needle}`:\n{general}");
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}
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let topic = unlucky_cli::cli::help::topic("instances").expect("help instances 存在");
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for needle in [
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"instances scan",
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"instances adopt",
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"缺省不沿用全局 isolated",
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"一个字节都不写",
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] {
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assert!(topic.contains(needle), "help instances 缺 `{needle}`");
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}
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// 旧的 `per_version` 字面量只在 core 的 `Isolation::parse` 里被兼容,CLI 词表不接受它。
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let bogus = std::env::temp_dir().join("ull-adopt-help-nonexistent");
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let bogus = bogus.display().to_string();
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let args = [
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"instances",
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"adopt",
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"1.20.1",
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"--isolation",
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"per_version",
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"--json",
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"--data-dir",
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bogus.as_str(),
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];
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let (code, stdout, _) = run_cli(&args);
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assert_eq!(code, 1, "`per_version` 不是 CLI 词表:{stdout}");
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}
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@@ -0,0 +1,140 @@
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//! CLI 侧夹具:一个「别的启动器铺好了 `.minecraft`」的数据根 + 全量快照工具。
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use std::collections::hash_map::DefaultHasher;
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use std::collections::BTreeMap;
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use std::hash::{Hash, Hasher};
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use std::path::Path;
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use std::time::UNIX_EPOCH;
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/// 造一份「别的启动器已经铺好的」数据根(`<root>/.minecraft` + `<root>/.ULL`):
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///
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/// | 路径 | 用意 |
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/// | --- | --- |
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/// | `versions/1.20.1/` | 正常版本(清单 + jar),可登记、可 `launch --dry-run` |
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/// | `versions/1.20.1-orphan/` | 缺父版本 ⇒ 不可登记 |
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/// | `libraries/` `assets/` | 恒共享层(登记不该碰) |
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/// | `mods/` `saves/` | 玩家数据(登记不该碰) |
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/// | `launcher_profiles.json` | 别的启动器的元数据(连读都不该读,更不该写) |
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pub fn foreign_data_root(root: &Path) {
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let minecraft = root.join(".minecraft");
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let versions = minecraft.join("versions");
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write_version(&versions, "1.20.1", MANIFEST_OK, true);
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write_version(&versions, "1.20.1-orphan", MANIFEST_ORPHAN, true);
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write_file(
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&minecraft.join("libraries/com/mojang/brigadier/1.0.18/brigadier-1.0.18.jar"),
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b"library-bytes",
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);
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write_file(
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&minecraft.join("assets/indexes/5.json"),
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b"{\"objects\":{}}",
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);
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write_file(&minecraft.join("mods/jei.jar"), b"mod-bytes");
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write_file(&minecraft.join("saves/World/level.dat"), b"save-bytes");
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write_file(
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&minecraft.join("launcher_profiles.json"),
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br#"{"profiles":{"1.20.1":{"name":"1.20.1","lastVersionId":"1.20.1"}}}"#,
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);
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}
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/// 全量快照:相对路径 → (字节数, mtime 纳秒, 内容哈希)。
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pub fn snapshot(dir: &Path) -> BTreeMap<String, (u64, u128, u64)> {
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let mut out = BTreeMap::new();
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walk(dir, dir, &mut out);
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out
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}
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fn walk(root: &Path, dir: &Path, out: &mut BTreeMap<String, (u64, u128, u64)>) {
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let Ok(entries) = std::fs::read_dir(dir) else {
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return;
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};
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for entry in entries.flatten() {
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let path = entry.path();
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let Ok(meta) = std::fs::symlink_metadata(&path) else {
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continue;
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};
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if meta.is_dir() {
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walk(root, &path, out);
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continue;
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}
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let relative = path
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.strip_prefix(root)
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.unwrap_or(&path)
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.to_string_lossy()
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.into_owned();
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let bytes = std::fs::read(&path).expect("文件应可读");
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let mtime = meta
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.modified()
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.ok()
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.and_then(|time| time.duration_since(UNIX_EPOCH).ok())
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.map_or(0, |duration| duration.as_nanos());
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out.insert(relative, (bytes.len() as u64, mtime, hash(&bytes)));
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}
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}
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fn hash(bytes: &[u8]) -> u64 {
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let mut hasher = DefaultHasher::new();
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bytes.hash(&mut hasher);
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hasher.finish()
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}
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/// 断言两次快照完全一致(路径集合 / 字节数 / 内容哈希 / mtime)。
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///
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/// 抓得住:命令写了、删了、改了任何外部文件(含「内容相同但重写一遍」——mtime 会变)。
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/// 抓不住:只读打开(没有可观测痕迹)。
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pub fn assert_unchanged(
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before: &BTreeMap<String, (u64, u128, u64)>,
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after: &BTreeMap<String, (u64, u128, u64)>,
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what: &str,
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) {
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assert_eq!(
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before.keys().collect::<Vec<_>>(),
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after.keys().collect::<Vec<_>>(),
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"{what}:路径集合变了"
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);
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for (path, before) in before {
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assert_eq!(
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before,
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after.get(path).expect("同一路径"),
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"{what}:文件被改动 -> {path}"
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);
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}
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}
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fn write_version(versions: &Path, id: &str, manifest: &str, jar: bool) {
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let dir = versions.join(id);
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std::fs::create_dir_all(&dir).expect("建版本目录");
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std::fs::write(dir.join(format!("{id}.json")), manifest.as_bytes()).expect("写清单");
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if jar {
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std::fs::write(dir.join(format!("{id}.jar")), b"junk").expect("写 jar");
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}
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}
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fn write_file(path: &Path, bytes: &[u8]) {
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if let Some(parent) = path.parent() {
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std::fs::create_dir_all(parent).expect("建父目录");
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}
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std::fs::write(path, bytes).expect("写文件");
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}
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const MANIFEST_OK: &str = r#"{
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"id": "1.20.1",
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"type": "release",
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"mainClass": "net.minecraft.client.main.Main",
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"assets": "5",
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"assetIndex": { "id": "5" },
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"arguments": {
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"game": ["--username", "${auth_player_name}", "--version", "${version_name}",
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"--gameDir", "${game_directory}"],
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"jvm": ["-Djava.library.path=${natives_directory}", "-cp", "${classpath}"]
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},
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"libraries": [],
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"downloads": { "client": { "size": 4, "url": "http://example.invalid/client.jar" } }
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}"#;
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const MANIFEST_ORPHAN: &str = r#"{
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"id": "1.20.1-orphan",
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"type": "release",
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"inheritsFrom": "1.20.1-not-on-disk",
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"mainClass": "net.minecraft.client.main.Main",
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"libraries": []
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}"#;
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Reference in new issue
Block a user