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Every Git repository starts with a single command. If you’ve ever wondered what does git init do, the short answer is: it creates a new, empty repository in your current directory. But there’s more going on under the hood than most developers realize.
That one command builds a hidden .git folder containing the entire tracking infrastructure for your project. Objects, refs, hooks, configuration. All of it.
This article breaks down exactly what happens when you run git init, what the .git directory actually contains, how it compares to git clone, when to use the --bare flag, how to undo it if you made a mistake, and where this command fits into real software development workflows.
What Is git init
git init is the command that creates a new Git repository inside a directory on your local machine. That’s it. One command, one result.
When you run it, Git generates a hidden .git folder in your current working directory. This folder contains everything Git needs to start tracking changes to your files, including commit history, branch references, and configuration data.
The Stack Overflow 2024 Developer Survey, with over 65,000 responses, confirms that Git remains the standard version control tool across virtually every area of software development.
Your existing files stay untouched. Nothing gets deleted, moved, or modified. Git just sets up its internal tracking system alongside whatever you already have in that folder.
And here’s something most tutorials skip: git init doesn’t automatically track anything. You still need to stage files with git add and create your first snapshot with git commit. The init command only builds the infrastructure.
According to 6sense data, over 102,000 companies worldwide use Git as their primary version control tool. Every single one of those projects started the same way. Someone typed git init or cloned from a repo that once had git init run on it.
What Happens When You Run git init
The moment you execute git init, Git creates a .git subdirectory. This hidden folder is the actual repository. Without it, your project is just a regular folder.
The .git Directory Structure
Look, the .git folder isn’t some black box. It has a clear structure, and understanding it makes debugging way easier down the line.
| Directory/File | Purpose |
|---|---|
| objects/ | Stores all content as compressed blobs, trees, and commits |
| refs/ | Holds pointers to branch tips and tags |
| HEAD | Points to the current branch you’re working on |
| config | Repository-specific Git configuration |
| hooks/ | Sample scripts for automating tasks at certain Git events |
The objects directory is the core of Git’s storage. Every file, every commit, every directory snapshot gets hashed with SHA-1 and stored here. Git uses the first two characters of each hash to create subdirectories, which keeps things organized at scale.
The refs folder is where branch references live. Inside refs/heads/, you’ll find files named after your branches. Each file contains a single commit hash pointing to that branch’s latest commit.
The HEAD File and Initial Branch State
Right after initialization, the HEAD file contains a reference like ref: refs/heads/main (or master, depending on your setup). But here’s the tricky part: that branch doesn’t actually exist yet.
No commits have been made, so there’s nothing for the branch to point to. The reference is essentially a placeholder. Your first git commit creates the branch for real.
Hutte research found that 85% of developers say Git has improved collaboration within their teams. That collaboration starts here, with this directory structure silently tracking every change from the first commit forward.
git init in a New Directory vs. an Existing Project
Two scenarios. Both use the same command. The results are nearly identical, but the workflow that follows is different.
Starting Fresh
Empty directory setup:
- Create a new folder for your project
- Run
git initinside it - Start adding files, then stage and commit
This is the standard path when you’re building something from scratch. You get a clean slate with zero history.
Adding Git to an Existing Project
Running git init inside a folder that already has files in it is completely safe. Your files don’t change. Git just drops the .git directory alongside them.
The difference is in what comes next. With an existing project, you’ll typically run git add . to stage everything, then make your initial commit. That first commit captures the current state of the entire project as a snapshot.
I’ve seen teams sit on a project for months before realizing they should have been using version control from the start. Running git init on an existing codebase is how they catch up. You lose the earlier history, obviously, but going forward everything gets tracked.
According to RhodeCode, Git’s usage among developers has climbed from 87.1% in 2016 to 93.87% in 2025. Practically every project eventually ends up in a Git repository, whether it starts there or gets initialized later.
git init –bare and When to Use It
A bare repository has no working directory. No files you can open and edit. Just the raw Git data.
That sounds useless at first. But bare repos solve a specific problem: they act as central hubs that multiple developers push to and pull from.
How Bare Repositories Differ
Standard git init: Creates a .git folder inside your project directory. You edit files, stage them, commit. Normal workflow.
git init --bare: Creates a directory that is the repository. No working tree, no checkout. The contents you’d normally find inside .git sit directly in the folder itself.
Pushing to a non-bare repository can cause problems because the working directory and the repository data can get out of sync. Bare repos avoid this entirely.
Where Bare Repos Show Up
Platforms like GitHub, GitLab, and Bitbucket all use bare repositories behind the scenes. When you create a remote repository on any of these platforms, it’s a bare repo.
GitHub alone reached 150 million developers by 2025 and recorded over 5 billion contributions in 2024, according to platform statistics. All of that activity flows through bare repositories on their servers.
Self-hosted Git servers work the same way. If you’re setting up your own source control management system, you’d SSH into your server and run git init --bare my-project.git to create the central repo.
git init vs. git clone
This is where beginners get confused most often. Both commands result in a Git repository on your machine, but they start from completely different places.
| Feature | git init | git clone |
|---|---|---|
| Creates from | Scratch (empty repo) | Existing remote repository |
| History | None, starts fresh | Full commit history included |
| Remote connection | Not configured | Automatically set to origin |
| Files | Only what’s already in the directory | All tracked files downloaded |
| Typical use | New projects | Joining existing projects |
git clone is basically doing several things in one command. It runs git init internally, adds the remote URL as origin, fetches all the data, and checks out the default branch. Four steps bundled into one.
If you’re joining a team that already has a repo on GitHub or GitLab, you clone the repository. If you’re starting a brand new project that doesn’t exist anywhere yet, you run git init.
The Stack Overflow blog reports that 93% of developers use Git. Most of them are cloning existing repos daily. But every repo they’re cloning? Someone ran git init to create it originally.
The Typical New Project Flow
In practice, most developers initialize locally and then connect to a remote. The sequence looks like this:
- Run
git init - Add and commit your files
- Create an empty repo on GitHub or GitLab
- Run
git remote add origin <url>to set the origin - Push your code with
git push -u origin main
That -u flag sets up tracking between your local branch and the remote, so future pushes only need git push.
How to Undo git init
Ran git init in the wrong folder? It happens more often than people admit.
The fix is simple. Delete the .git directory and the repository disappears.
Removing Git Tracking
On Linux or macOS:
“ rm -rf .git `
On Windows (PowerShell):
` Remove-Item -Recurse -Force .git `
Your project files stay exactly where they are. Nothing gets deleted except the Git tracking data.
But here’s what you actually lose: all commit history, all branches, all configuration specific to that repo, and every tag you’ve created. If you’ve been working on a project for weeks with dozens of commits, that rm -rf .git wipes all of it out in one shot.
Avoiding the Wrong-Folder Problem
GitHub’s own git-init guide recommends using git status to check if you’re accidentally inside a tracked directory before initializing. If git status returns results when you didn't expect it to, there's a .git folder somewhere above you in the directory tree.
Took me a while to develop the habit, but I always run pwd before git init now. One quick check saves you from initializing your home directory by accident. And trust me, having your entire home folder tracked by Git is not a fun thing to clean up.
The gitignore file is another thing to think about early. Setting one up right after running git init prevents sensitive files or build artifacts from ever entering your commit history.
git init and the Default Branch Name
When you run git init, Git creates a reference to an initial branch. The name of that branch depends on your Git version and your local configuration.
For years, the default was master. That changed.
The Shift from Master to Main
Git version 2.28, released in July 2020, introduced the init.defaultBranch configuration option. This let developers pick any name they wanted for the initial branch created by git init.
GitHub followed by switching its default for new repositories to main in October 2020. GitLab made the same change in 2021.
The Git project’s own documentation now states that the default will officially change from master to main when Git 3.0 ships.
Setting Your Default
One command, permanent fix:
` git config --global init.defaultBranch main `
Every repository you create with git init from that point forward will use main as the initial branch. No need to rename anything after the fact.
If you’re on Git below 2.28, you’ll need to install a newer version first. Check yours with git –version.
| Platform | Default Branch | When Changed |
|---|---|---|
| Git (local) | master (main in 3.0) | Configurable since v2.28 |
| GitHub | main | October 2020 |
| GitLab | main | June 2021 (v14.0) |
| Bitbucket | main | 2021 |
Mismatched branch names between your local repo and the remote cause headaches on your first push. Setting init.defaultBranch to match your platform's default avoids that entirely.
Common Mistakes After Running git init
The command itself is simple. The mistakes people make right afterward? Those can snowball.
Initializing in the Wrong Directory
This is the most common one, and I still see experienced developers do it. You’re in your home folder or some parent directory and type git init without checking where you are.
Suddenly your entire home directory is a Git repository. Git add starts picking up config files, downloads, everything.
Prevention: Always run pwd before git init. Make it a reflex.
Creating Nested Repositories
Running git init inside a subdirectory of an existing repo creates a nested repository. The outer repo tries to track the inner one, and things get confusing fast.
Git’s own documentation warns that nested repositories can interfere with each other. Use git rev-parse –show-toplevel to check if you're already inside a tracked directory before initializing.
If you actually need a repo within a repo, Git submodules are the proper way to handle it.
Forgetting the .gitignore
Your first commit captures everything you’ve staged. Without a .gitignore file in place, that might include build artifacts, environment variables, API keys, or node_modules folders.
Once a file enters your commit history, removing it completely is painful (you’d need git rebase or filter-branch to scrub it).
GitHub data shows that their Security Advisory Database now exceeds 25,000 advisories, many of which relate to exposed credentials. Setting up a .gitignore immediately after git init is one of the easiest ways to avoid being part of that statistic.
git init in Typical Developer Workflows
git init rarely lives in isolation. It's the first step in a sequence that connects your local work to a team, a build pipeline, and eventually a production environment.
The Local-to-Remote Sequence
Most new projects follow the same Git workflow:
- git init
- Create a .gitignore
- git add .
andgit commit -m “initial commit”
- Add a remote with git remote add origin
- Push with git push -u origin main
That -u flag connects your local branch to the remote, so future pushes only need git push with no extra arguments.
GitHub Blog’s 2025 Octoverse data reports that developers pushed 986 million commits last year and created more than 230 repositories per minute. Every one of those repos started with initialization, whether through git init directly or through a platform's GUI.
How IDEs Handle Initialization
VS Code: Open a folder without a .git directory and the Source Control panel shows an "Initialize Repository" button. One click, and VS Code runs git init behind the scenes.
JetBrains IDEs: IntelliJ, PyCharm, and WebStorm offer VCS integration through VCS > Create Git Repository. The IDE runs git init and immediately starts tracking file changes in the project view.
According to Second Talent’s 2025 IDE statistics, Visual Studio Code holds 75.9% developer usage, with IntelliJ IDEA at 27.1%. Both have Git so deeply built in that many newer developers have never typed git init manually.
That’s fine for getting started. But understanding what the IDE does for you matters when something breaks, or when you need to resolve merge conflicts or debug a corrupted repository from the command line.
When You Won’t Run git init
On most team projects, you skip git init completely. The repo already exists. You clone it, create a branch, do your work, and push.
The only people who regularly run git init are those starting new projects, setting up continuous integration pipelines from scratch, or configuring bare repos on self-hosted servers.
GitHub Actions alone processed 11.5 billion minutes of CI/CD workflows in 2025, a 35% increase year-over-year, according to the GitHub Blog. All of that automation connects back to repositories that someone initialized at some point, even if it was years ago.
FAQ on What Does Git Init Do
What does git init actually create?
It creates a hidden .git directory inside your current folder. This directory contains subdirectories for objects, refs, hooks, and a HEAD file. These components form the complete tracking infrastructure for a local Git repository.
Is git init the same as git clone?
No. git init creates an empty repository from scratch. Git clone copies an existing remote repository, including its full commit history, branches, and configured remote connection. They solve different problems.
Does git init affect my existing files?
Not at all. Running git init in a directory with existing files leaves them completely untouched. Git only adds the .git folder. Your files won't be tracked until you explicitly stage them with git add.
Can I undo git init?
Yes. Delete the .git directory with rm -rf .git on Linux or macOS. This removes all Git tracking data, commit history, and branch information. Your project files remain intact.
What is git init –bare used for?
The –bare flag creates a repository without a working directory. Bare repositories act as central hubs for pushing and pulling code. Platforms like GitHub and GitLab use them on their servers.
Does git init create a branch?
It creates a reference to an initial branch (typically main or master), but that branch doesn’t fully exist until your first commit. The branch name depends on your Git version and configuration.
How do I change the default branch name after git init?
Run git config –global init.defaultBranch main to set it globally. This requires Git 2.28 or newer. For an existing repo, use git branch -m master main to rename the branch directly.
Can I run git init twice in the same directory?
Yes, and it’s safe. Running git init again in an existing repository won't overwrite your commit history or branch data. It only reinitializes the configuration templates without destroying anything.
What is the .git/HEAD file?
The HEAD file is a pointer to your currently active branch. After git init, it typically contains ref: refs/heads/main. When you switch branches, this file updates automatically.
Should I run git init or git clone for a team project?
If the repository already exists on a remote server, use git clone. Only run git init when starting a brand new project that doesn't exist anywhere yet. Most team workflows begin with cloning.
Conclusion
Understanding what does git init do gives you a clear picture of how every Git project begins. It’s a single command that builds the entire version control foundation your project depends on.
The .git directory it creates holds your commit history, branch references, and repository configuration. Without it, Git has nothing to work with.
Whether you’re initializing a fresh project on your local machine, setting up a bare repository on a self-hosted server, or just trying to understand what your IDE does when you click “Initialize Repository,” this command is the starting point.
Get comfortable with it. Know what the –bare flag does. Set your init.defaultBranch config. Create your .gitignore` before that first commit.
These small habits prevent real problems later in your development process, especially once continuous deployment and team collaboration enter the picture.
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Over the years, he's worked with a range of clients and contributed to design publications like Design Your Way, Designmodo, WebDesignerDepot, WPDean, and Speckyboy, and Slider Revolution among others.
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