如何使用 go get 导入特定版本的包? [英] How do I import a specific version of a package using go get?

问题描述

来自 Node 环境我曾经通过告诉 npm 将特定版本的供应商库安装到项目文件夹 (node_modules) 中从 package.json 甚至直接从控制台安装该版本的 lib，如下所示:

coming from a Node environment I used to install a specific version of a vendor lib into the project folder (node_modules) by telling npm to install that version of that lib from the package.json or even directly from the console, like so:

$ npm install express@4.0.0

然后我曾经在我的项目中导入那个版本的包:

Then I used to import that version of that package in my project just with:

var express = require('express');

现在，我想用 go 做同样的事情.我怎样才能做到这一点?是否可以安装特定版本的软件包?如果是这样，使用集中的 $GOPATH，如何导入一个版本而不是另一个版本?

Now, I want to do the same thing with go. How can I do that? Is it possible to install a specific version of a package? If so, using a centralized $GOPATH, how can I import one version instead of another?

我会做这样的事情:

$ go get github.com/wilk/uuid@0.0.1
$ go get github.com/wilk/uuid@0.0.2

但是，我如何在导入过程中有所作为?

But then, how can I make a difference during the import?

推荐答案

Go 1.11 将有一个称为 go modules 的功能，您可以简单地添加一个版本的依赖项.请按照以下步骤操作:

Go 1.11 will have a feature called go modules and you can simply add a dependency with a version. Follow these steps:

go mod init .
go mod edit -require github.com/wilk/uuid@0.0.1
go get -v -t ./...   
go build
go install 

这里有关于该主题的更多信息 - https://github.com/golang/go/wiki/模块

Here's more info on that topic - https://github.com/golang/go/wiki/Modules

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