带注释和不带注释的标签有什么区别？ [英] What is the difference between an annotated and unannotated tag?

问题描述

如果我想标记当前提交。我知道以下两个命令行都适用：

  git tag< tagname> 
  

和

  git标记-a<标记名称> -m'< message>'
  

这些命令之间有什么区别？

解决方案

TL; DR

命令之间的区别在于，标记消息，而另一个则没有。一个带注释的标签有一条消息可以用git-show（1）显示，而一个没有注释的标签只是一个指向提交的指向指针。

更多关于轻量级标记

默认情况下，除非您为签名标记选择-s标记，否则该标记将是一个轻量级的未签名标记。使用 git tag<标记名>> $ c>，Git会在当前版本中创建一个标签，但不会提示您注释。当你使用 git tag -a<标签名称> 时，Git会提示你输入注释，除非您还使用了-m标志来提供消息。


当您使用 git tag -a -m< msg>时， < tagname> ，Git将标记提交并使用提供的消息对其进行注释。 ; MSG> < tagname> ，Git的行为就如同您传递注解的-a标志并使用提供的消息一样。

基本上，这相当于您是否希望轻量级代码具有与其关联的注释。

If I want to tag the current commit. I know both of the following command lines work:

git tag <tagname>

and

git tag -a <tagname> -m '<message>'

What is the difference between these commands?

解决方案

TL;DR

The difference between the commands is that one provides you with a tag message while the other doesn't. An annotated tag has a message that can be displayed with git-show(1), while a tag without annotations is just a named pointer to a commit.

More About Lightweight Tags

Unless you select the -s flag for a signed tag, the tag will be a lightweight, unsigned tag by default. There are also some differences with lightweight tags:

• When you use git tag <tagname>, Git will create a tag at the current revision but will not prompt you for an annotation. It will be tagged without a message.
• When you use git tag -a <tagname>, Git will prompt you for an annotation unless you have also used the -m flag to provide a message.
• When you use git tag -a -m <msg> <tagname>, Git will tag the commit and annotate it with the provided message.
• When you use git tag -m <msg> <tagname>, Git will behave as if you passed the -a flag for annotation and use the provided message.

Basically, it just amounts to whether you want the lightweight tag to have an annotation associated with it or not.

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