dep指定版本 go_Go依赖管理工具 - dep

叁歲伎倆 2022-12-31 08:27 160阅读 0赞

Go依赖管理工具

Go dependency management tool

环境要求

Golang >= 1.9

Dep

目前版本：

dep:

version : devel

build date :

git hash :

go version : go1.10

go compiler : gc

platform : linux/amd64

Latest release为v0.4.1

安装

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

若$GOPATH/bin不在PATH下，则需要将生成的dep文件从$GOPATH/bin移动至$GOBIAN下

验证

$ 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.

初始化

在项目根目录执行初始化命令，dep在初始化时会分析应用程序所需要的所有依赖包，得出依赖包清单

并生成vendor目录，Gopkg.toml、Gopkg.lock文件

默认初始化

$ dep init -v

直接从对应网络资源处下载

优先从$GOPATH初始化

$ dep init -gopath -v

该命令会先从$GOPATH查找既有的依赖包，若不存在则从对应网络资源处下载

Gopkg.toml

该文件由dep init生成，包含管理dep行为的规则声明

required = \["github.com/user/thing/cmd/thing"\]

ignored = \[

"github.com/user/project/pkgX","bitbucket.org/user/project/pkgA/pkgY"

\[metadata\]

key1 = "value that convey data to other systems"

system1-data = "value that is used by a system"

system2-data = "value that is used by another system"

\[\[constraint\]\]

\# Required: the root import path of the project being constrained.

name = "github.com/user/project"

\# Recommended: the version constraint to enforce for the project.

\# Note that only one of "branch","version" or "revision" can be specified.

version = "1.0.0"

branch = "master"

revision = "abc123"

\# Optional: an alternate location (URL or import path) for the project's source.

source = "https://github.com/myfork/package.git"

\# Optional: metadata about the constraint or override that could be used by other independent systems

\[metadata\]

key1 = "value that convey data to other systems"

system1-data = "value that is used by a system"

system2-data = "value that is used by another system"

Gopkg.lock

该文件由dep ensure和dep init生成，包含一个项目依赖关系图的传递完整快照，表示为一系列\[\[project\]\]节

\# This file is autogenerated,do not edit; changes may be undone by the next 'dep ensure'.

\[\[projects\]\]

branch = "master"

name = "github.com/golang/protobuf"

packages = \[

"jsonpb","proto","protoc-gen-go/descriptor","ptypes","ptypes/any","ptypes/duration","ptypes/struct","ptypes/timestamp"

revision = "bbd03ef6da3a115852eaf24c8a1c46aeb39aa175"

常用命令

dep ensure

从项目中的Gopkg.toml和Gopkg.lock中分析关系图，并获取所需的依赖包

用于确保本地的关系图、锁、依赖包清单完全一致

dep ensure -add

\# 引入该依赖包的最新版本

dep ensure -add github.com/pkg/foo

\# 引入具有特定约束(指定版本)的依赖包

dep ensure -add github.com/pkg/foo@^1.0.1

dep ensure -update

将Gopkg.lock中的约定依赖项更新为Gopkg.toml允许的最新版本

最后

目前dep还在官方试验阶段，但已表示生产可安全使用

如果出现什么问题，大家可以一起留个言讨论讨论

dep指定版本 go_Go依赖管理工具 - dep

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