Golang官方依赖管理工具：dep

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Golang官方依赖管理工具：dep 一些常用的用法

介绍

dep是一个原型依赖管理工具，需要在Go 1.7及更高的版本中使用 dep是官方版本，godep是第三方工具，但是他们的作者是同一个人

#安装dep

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    go get -u github.com/golang/dep/cmd/dep

#验证安装

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    $ dep
    Dep is a tool for managing dependencies for Go projects
    
    Usage: "dep [command]"
    
    Commands:
    
    init     Set up a new Go project, or migrate an existing one
    status   Report the status of the project's dependencies
    ensure   Ensure a dependency is safely vendored in the project
    prune    Pruning is now performed automatically by dep ensure.
    version  Show the dep version information
    
    Examples:
    dep init                               set up a new project
    dep ensure                             install the project's dependencies
    dep ensure -update                     update the locked versions of all dependencies
    dep ensure -add github.com/pkg/errors  add a dependency to the project
    
    Use "dep help [command]" for more information about a command.

常用命令

  1. 初始化 
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     $ dep init

    如果出现Gopkg.toml and Gopkg.lock are out of sync.时候最好执行一下dep ensure

  2. 安装已有的依赖 
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     $ dep ensure

    执行dep ensure 为了更好地看到过程，加上参数-v

  3. 添加依赖 
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     $ dep ensure -add github.com/pkg/foo
  4. 添加依赖指定依赖版本 
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     $ dep ensure -add github.com/pkg/foo/subpkg@1.0.0
  5. 更新配置 
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     $ dep ensure -update
 Gopkg.toml and Gopkg.lock are out of sync. Run a plain dep ensure to resync them before attempting to -update
 $ dep  ensure 
 $ dep  ensure -update -v
  6. 更多例子参考 
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     $ dep ensure -examples

参考

https://studygolang.com/articles/10589