How does git internal work?
Git internally stores a branch in the heads folder (inside . git\refs folder), initially as the hash of the latest commit. After each commit, Git updates the branch reference with the hash of the new commit. Git internally stores the current branch name in the HEAD file (inside .
How does git checkout work internally?
With the git checkout command, we can move the HEAD to any commit in the repository we want. When the HEAD moves to a different commit, both the index and the working directory is updated to reflect the state of the files up to that commit. This command will move the head to the previous commit.
How does git diff work internally?
The git diff command displays the differences between files in two commits or between a commit and your current repository. You can see what text has been added to, removed from, and changed in a file. By default, the git diff command displays any uncommitted changes to your repository.
How does git work under the hood?
In other words, Git copies all the project files to your hard drive, then allows you to work on the project autonomously. All operations run locally on your machine. You don’t even need a network connection, except to synchronize with the source code by “pushing” or “pulling.” That’s what makes Git so quick.
What’s the difference between git fetch and git pull?
git fetch is the command that tells your local git to retrieve the latest meta-data info from the original (yet doesn’t do any file transferring. It’s more like just checking to see if there are any changes available). git pull on the other hand does that AND brings (copy) those changes from the remote repository.
What is git checkout command do?
The git checkout command lets you navigate between the branches created by git branch . Checking out a branch updates the files in the working directory to match the version stored in that branch, and it tells Git to record all new commits on that branch.
What does git checkout actually do?
How does internal diff work?
In fact, it runs it twice, or more precisely, it runs two different internal variations on git diff : one to compare HEAD to the index/staging-area, and one to compare the staging-area to the work-tree. It runs each diff with a request to search for renames, i.e., sets the -M flag (see below).
Does git pull fetch all branches?
git fetch -all fetches all branches of all remotes. git fetch origin fetches all branches of the remote origin .
How to work with Git?
git init — initializes a repository
What is the difference between GIT push and git pull?
Well, basically git commit puts your changes into your local repo, while git push sends your changes to the remote location. Since git is a distributed version control system, the difference is that commit will commit changes to your local repository, whereas push will push changes up to a remote repo.
What is the purpose of Git?
The purpose of Git is to manage a project, or a set of files, as they change over time. Git stores this information in a data structure called a repository. A git repository contains, among other things, the following: A set of commit objects. A set of references to commit objects, called heads.
What do Git checkouts really mean?
Checking out branches. The git checkout command lets you navigate between the branches created by git branch.