Compoonents of git¶

Overview¶

git components

Components¶

HEAD¶

HEAD is a reference to the current commit in your local repository.

In Git, HEAD is a pointer that points to the most recent commit in your current branch.

The HEAD is a symbolic reference to the branch you are currently on, and it is used to determine which branch you are currently on and what the most recent commit is on that branch.

HEAD can be moved to different commits by using commands such as git reset, git checkout, or git branch.

HEAD can also refer to the most recent commit in a specific branch, rather than the current branch.

For example, if you are currently on the master branch and you run git checkout feature/new-feature, then HEAD will refer to the most recent commit on the feature/new-feature branch.

Working Tree¶

The working tree, also known as the working directory, is the directory that contains the files that are tracked by Git.

The working tree is where you make changes to your files, and it is the source of truth for your repository.

The working tree is updated when you run commands such as git add, git commit, or git reset.

Index¶

The index, also known as the staging area, is a data structure that stores information about the files in your working tree.

The index is used to determine which files have been modified, deleted, or added, and it is used to construct new commits.

The index is updated when you run commands such as git add, git rm, or git reset.