What is HEAD in git?
HEAD in Git
Sometme you will see the Git documentation saying something about HEAD. For example:
But what exactly is Git HEAD?
HEAD is a reference to the last commit in the currently check-out branch.
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:
For example, in my current branch it shows:
$ 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.
References & Resources
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