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| 1 | +# Rust 版本管理工具: multirust |
| 2 | + |
| 3 | +multirust 是一个简单的 Rust 版本管理工具. |
| 4 | + |
| 5 | +项目主页是: <https://github.com/brson/multirust> |
| 6 | + |
| 7 | +## Features |
| 8 | + |
| 9 | +* 管理安装多个官方版本的 Rust 二进制程序. |
| 10 | +* 配置基于目录的 Rust 工具链. |
| 11 | +* 安装和更新来自 Rust 的发布通道: nightly, beta 和 stable. |
| 12 | +* 接收来自发布通道更新的通知. |
| 13 | +* 从官方安装历史版本的 nightly 工具链. |
| 14 | +* 通过指定 stable 版本来安装. |
| 15 | +* 安装额外的 std 用于交叉编译. |
| 16 | +* 安装自定义的工具链. |
| 17 | +* 独立每个安装的 Cargo metadata. |
| 18 | +* 校验下载的 hash 值. |
| 19 | +* 校验签名 (如果 GPG 存在). |
| 20 | +* 断点续传. |
| 21 | +* 只依赖 bash, curl 和常见 unix 工具. |
| 22 | +* 支持 Linux, OS X, Windows(via MSYS2). |
| 23 | + |
| 24 | +## 安装 |
| 25 | + |
| 26 | +``` |
| 27 | +curl -sf https://raw.githubusercontent.com/brson/multirust/master/blastoff.sh | sh |
| 28 | +``` |
| 29 | + |
| 30 | +这个命令将会编译和安装 multirust, 安装过程中可能会提示你输入 sudo 的密码. 然后, 他会下载和安装 stable 版本的工具链, 当执行 rustc, rustdoc 和 cargo 时, 将会配置他为默认工具链. |
| 31 | + |
| 32 | +`*nix` 上安装后工具链会被安装到 `~/.multirust/toolchains`. |
| 33 | + |
| 34 | +## 卸载 |
| 35 | + |
| 36 | +``` |
| 37 | +curl -sf https://raw.githubusercontent.com/brson/multirust/master/blastoff.sh | sh -s -- --uninstall |
| 38 | +``` |
| 39 | + |
| 40 | +## 用法 |
| 41 | + |
| 42 | +安装后会得到一个 multirust 命令, 多使用命令自带的帮助提示, 可以快速定位你需要功能. |
| 43 | + |
| 44 | +### 帮助 |
| 45 | + |
| 46 | +运行 `multirust -h` 你将会得到如下提示: |
| 47 | + |
| 48 | +``` |
| 49 | +❯ multirust -h |
| 50 | +# Usage: multirust <command> [--verbose] [--version] |
| 51 | +# |
| 52 | +# Commands: |
| 53 | +# |
| 54 | +# default Set the default toolchain |
| 55 | +# override Set the toolchain override for the current directory tree |
| 56 | +# update Install or update a given toolchain (for example, "stable", "beta", "nightly") |
| 57 | +# show-override Show information about the current override |
| 58 | +# show-default Show information about the current default |
| 59 | +# list-overrides List all overrides |
| 60 | +# list-toolchains List all installed toolchains |
| 61 | +# remove-override Remove an override, for current directory unless specified |
| 62 | +# remove-toolchain Uninstall a toolchain |
| 63 | +# list-available-targets |
| 64 | +# List targets available to install |
| 65 | +# add-target Add additional compilation targets to an existing toolchain |
| 66 | +# run Run a command in an environment configured for a toolchain |
| 67 | +# delete-data Delete all user metadata, including installed toolchains |
| 68 | +# upgrade-data Upgrade the ~/.multirust directory from previous versions |
| 69 | +# doc Open the documentation for the currently active toolchain |
| 70 | +# which Report location of the currently active Rust tool. |
| 71 | +# help Show help for this command or subcommands |
| 72 | +# |
| 73 | +# Use `multirust help <command>` for detailed help. |
| 74 | +# |
| 75 | +``` |
| 76 | + |
| 77 | +根据提示, 使用 `multirust help <command>` 来查看子命令的帮助, 基本看这些帮助文档就足够了. |
| 78 | + |
| 79 | +下面着重介绍几个常用的命令. |
| 80 | + |
| 81 | +`multirust default beta|stable|nightly` 配置默认的工具链. |
| 82 | + |
| 83 | +`multirust override beta|stable|nightly` 配置一个目录以及其子目录的工具链. |
| 84 | + |
| 85 | +`multirust show-default` 显示当前默认的工具链信息. |
| 86 | + |
| 87 | +`multirust show-override` 显示当前目录的 override 的工具链信息. |
| 88 | + |
| 89 | +`multirust list-toolchains` 显示所有安装的工具链. |
| 90 | + |
| 91 | +`multirust list-overrides` 显示所有的 override 的工具链. |
| 92 | + |
| 93 | +`multirust update` 更新所有的发布通道的工具链. |
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