Golang Version Manager

Overview

g

GitHub release (latest by date) Build Status GoDoc codecov codebeat badge Go Report Card

注意:master分支可能处于开发之中并非稳定版本,请通过tag下载稳定版本的源代码,或通过release下载已编译的二进制可执行文件。

g是一个Linux、macOS、Windows下的命令行工具,可以提供一个便捷的多版本go环境的管理和切换。

asciicast

特性

  • 支持列出可供安装的go版本号
  • 支持列出已安装的go版本号
  • 支持在本地安装多个go版本
  • 支持卸载已安装的go版本
  • 支持在已安装的go版本之间自由切换

安装

自动化安装

  • Linux/macOS(适用于bash、zsh)

    # 建议安装前清空`GOROOT`、`GOBIN`等环境变量
    $ curl -sSL https://raw.githubusercontent.com/voidint/g/master/install.sh | bash
    $ echo "unalias g" >> ~/.bashrc # 可选。若其他程序(如'git')使用了'g'作为别名。
    $ source ~/.bashrc # 或者 source ~/.zshrc

手动安装

  • 下载release的二进制压缩包

  • 将压缩包解压至PATH环境变量目录下(如/usr/local/bin

  • 编辑shell环境配置文件(如~/.bashrc~/.zshrc...)

    $ cat>>~/.bashrc<<'EOF'
    export GOROOT="${HOME}/.g/go"
    export PATH="${HOME}/.g/go/bin:$PATH"
    export G_MIRROR=https://golang.google.cn/dl/
    EOF
  • 启用环境变量

    $ source ~/.bashrc # 或source ~/.zshrc

使用

查询当前可供安装的stable状态的go版本

$ g ls-remote stable
  1.13.15
  1.14.7

安装目标go版本1.14.7

$ g install 1.14.7
Downloading 100% |███████████████| (119/119 MB, 9.939 MB/s) [12s:0s]
Computing checksum with SHA256
Checksums matched
Now using go1.14.7

查询已安装的go版本

$ g ls
  1.7.6
  1.11.13
  1.12.17
  1.13.15
  1.14.6
* 1.14.7

查询可供安装的所有go版本

$ g ls-remote
  1
  1.2.2
  1.3
  1.3.1
  ...    // 省略若干版本
  1.14.5
  1.14.6
* 1.14.7
  1.15rc1

切换到另一个已安装的go版本

$ g use 1.14.6
go version go1.14.6 darwin/amd64

卸载一个已安装的go版本

$ g uninstall 1.14.7
Uninstalled go1.14.7

FAQ

  • 环境变量G_MIRROR有什么作用?

    由于中国大陆无法自由访问Golang官网,导致查询及下载go版本都变得困难,因此可以通过该环境变量指定一个镜像站点(如https://golang.google.cn/dl/),g将从该站点查询、下载可用的go版本。

  • 是否支持网络代理?

    支持。可在HTTP_PROXYHTTPS_PROXYhttp_proxyhttps_proxy等环境变量中设置网络代理地址。

  • 支持哪些Windows版本?

    因为g的实现上依赖于符号链接,因此操作系统必须是Windows Vista及以上版本。

  • Windows 版本安装以后不生效?

    这有可能是因为没有把下载安装的加入到 $Path 的缘故,需要手动将 $Path 纳入到用户的环境变量中。为了方便起见,可以使用项目中的 path.ps1 的 PowerShell 脚本运行然后重新启动计算机即可。

  • 支持源代码编译安装吗?

    不支持

鸣谢

感谢nvmnrvm等工具提供的宝贵思路。

Comments
  • 不支持ARM架构

    不支持ARM架构

    尝试了下在树莓派上用这个工具,遇到的一个问题,install的时候,下载的不是ARM版本的,执行go的时候报错

    [email protected]:~ $ go version
    -bash: /home/pi/.g/go/bin/go: cannot execute binary file: Exec format error
    

    我是在Windows上交叉编译了g的源码,然后上传到树莓派上

    opened by HaoKunT 8
  • go: cannot find GOROOT directory: D:\Program Files\g\go

    go: cannot find GOROOT directory: D:\Program Files\g\go

    Describe the bug/缺陷描述 成功安装g和配置好环境变量后使用任何go命令都说找不到GOROOT目录

    To Reproduce/缺陷复现步骤 Steps to reproduce the behavior:

    1. 环境变量截图 1663596070872 path: 1663596251752
    2. g和go正常 image
    3. See error 但是go加上任何参数都会找不到GOROOT目录 1663596509396

    Expected behavior/期望行为 能够正常使用go

    question 
    opened by 9aceh 4
  • 无法下载golang1.15版本

    无法下载golang1.15版本

    【问题】: $ g install 1.15 [g] Installation package not found

    查看了 #41 和 #33,推荐更新voidint/g版本

    请问如何更新该软件呢?有脚本可以一键更新吗;还是需要卸载软件后重新安装新版本;(之前已经按照的golang version会收到影响吗)

    感谢您提供的软件

    opened by xavier-hou 4
  • [g] Installation package(/dl/go1.14.4.darwin-amd64.tar.gz) download failed ==> Get

    [g] Installation package(/dl/go1.14.4.darwin-amd64.tar.gz) download failed ==> Get "/dl/go1.14.4.darwin-amd64.tar.gz": unsupported protocol scheme ""

    g version 1.1.2 build: 2020-05-05T15:23:28+08:00 branch: master commit: c243baa758cf114bfff33cf703ef424887001abf

    $ echo $G_MIRROR;
    https://golang.google.cn/dl/
     $ g install 1.14.4 
    [g] Installation package(/dl/go1.14.4.darwin-amd64.tar.gz) download failed ==> Get "/dl/go1.14.4.darwin-amd64.tar.gz": unsupported protocol scheme ""
    

    Hi
    一直 install 都报这个错误,但是可以通过 g ls-remote 看到这个版本,报错信息如上 unsupported protocol scheme

    opened by yoloyi 4
  • macbook 无法安装 go1.15

    macbook 无法安装 go1.15

    g install 1.15 报错:[g] Installation package not found g 版本:1.4.0 g version 1.4.0 build: 2022-06-08T21:28:54+08:00 branch: master commit: e1fdf711f3175765997863f71ab5632ea5cf4261

    question 
    opened by lwwgo 3
  • G_MIRROR的问题

    G_MIRROR的问题

    设置了G_MIRROR https://golang.google.cn/dl/ 后,是可以正常查询,但是下载还是从官方地址下载,造成无法正常install。 出错信息: [g] Installation package(https://dl.google.com/go/go1.14.1.linux-amd64.tar.gz) download failed ==> local error: tls: bad record MAC

    opened by latltt 3
  • [g] Installation package not found

    [g] Installation package not found

    Describe the bug/缺陷描述 A clear and concise description of what the bug is.

    使用mac m1安装1.14 1.15 报错 [g] Installation package not found

    安装1.16正常

    To Reproduce/缺陷复现步骤 Steps to reproduce the behavior:

    1. Go to '...'
    2. Click on '....'
    3. Scroll down to '....'
    4. See error

    Expected behavior/期望行为 A clear and concise description of what you expected to happen.

    Screenshots/实际运行结果截图 If applicable, add screenshots to help explain your problem. shell $ g install 1.14 [g] Installation package not found Environments (please complete the following information)/运行环境:

    • OS[e.g. uname -a]

    • g --version

    g --version g version 1.4.0 build: 2022-06-08T21:28:54+08:00 branch: master commit: e1fdf711f3175765997863f71ab5632ea5cf4261 ```

    • go env

      
      
    # ===== set g environment variables =====
    export GOROOT="${HOME}/.g/go"
    export PATH="${HOME}/bin:${HOME}/.g/go/bin:$PATH"
    export G_MIRROR=https://mirrors.aliyun.com/golang/
    

    Additional context/额外信息 Add any other context about the problem here.

    question 
    opened by chkinglee 2
  •  Access is denied.

    Access is denied.

    1. 安装go的时候出现重命名的Access is denied 错误。
    2. 错误信息如下: [g] Rename C:\Users\username\.g\versions\go C:\Users\username\.g\versions\1.12: Access is denied. 请问是什么原因造成的,试过用管理员方式打开powershell @voidint
    opened by windyear 2
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