Git中的HEAD是什么？ [英] What is HEAD in Git?

问题描述

$ b

分支必须在HEAD中完全合并。

但是Git HEAD 究竟是什么？

解决方案

您可以将HEAD视为当前分支。当您使用 git checkout 切换分支时，HEAD版本会更改为指向新分支的提示。

你可以看看HEAD指出了什么：

  cat .git / HEAD 
  
 
 
 
在我的例子中，输出是： 
 
 
  $ cat .git / HEAD 
 ref：refs / heads / master 
  
 HEAD引用与分支名称不相关的特定修订。这种情况称为分离的HEAD 。
 
You see the Git documentation saying things like

  
The branch must be fully merged in HEAD.
But what is Git HEAD exactly?
解决方案
You can think of the HEAD as the "current branch". When you switch branches with git checkout, the HEAD revision changes to point to the tip of the new branch.

You can see what HEAD points to by doing:
cat .git/HEAD
In my case, the output is:
$ cat .git/HEAD
ref: refs/heads/master
It is possible for HEAD to refer to a specific revision that is not associated with a branch name. This situation is called a detached HEAD.

                        
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