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Merge remote-tracking branch 'pull2/master' 

Signed-off-by: 王邈 <shankerwangmiao@gmail.com>
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王邈 2019-02-15 20:06:19 +08:00
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---
category: help
layout: help
mirrorid: rustup
---
# Rustup 镜像安装帮助
[Rustup](https://rustup.rs/) 是 Rust 官方的跨平台 Rust 安装工具。
使用 rustup 安装 rust 时，若要启用 TUNA 源，执行：
```bash
$ # for bash
$ RUSTUP_DIST_SERVER=https://mirrors.tuna.tsinghua.edu.cn/rustup rustup install stable # for stable
$ # for fish
$ env RUSTUP_DIST_SERVER=https://mirrors.tuna.tsinghua.edu.cn/rustup rustup install stable # for stable
$ # for bash
$ RUSTUP_DIST_SERVER=https://mirrors.tuna.tsinghua.edu.cn/rustup rustup install nightly # for nightly
$ # for fish
$ env RUSTUP_DIST_SERVER=https://mirrors.tuna.tsinghua.edu.cn/rustup rustup install nightly # for nightly
$ # for bash
$ RUSTUP_DIST_SERVER=https://mirrors.tuna.tsinghua.edu.cn/rustup rustup install nightly-2019-02-15 # for nightly since 2019.02.15
$ # for fish
$ env RUSTUP_DIST_SERVER=https://mirrors.tuna.tsinghua.edu.cn/rustup rustup install nightly-2019-02-15 # for nightly since 2019.02.15
```
若要长期启用 TUNA 源，执行：
```bash
$ # for bash
$ echo 'export RUSTUP_DIST_SERVER=https://mirrors.tuna.tsinghua.edu.cn/rustup' >> ~/.bash_profile
$ # for fish
$ echo 'set -x RUSTUP_DIST_SERVER https://mirrors.tuna.tsinghua.edu.cn/rustup' >> ~/.config/fish/config.fish
```
注：rustup 在判断是否需要更新时依赖于 toml 的 sha256 ，由于 toml 内容中相关链接被替换为 TUNA 源，第一次切换到 TUNA 源时各个 channel 会被认为需要更新。