Git Mastery: From Beginner Basics to Advanced Techniques

Introduction

This cheatsheet provides a concise reference to the most common Git commands. Whether you're just starting out or need a quick reminder, these commands will help you navigate your Git workflow with ease.

Basic Commands

Use these commands for everyday Git operations:

Initialize a Repository

git init

Starts a new Git repository in the current directory.

Check Status

git status

Displays the current state of your working directory and staging area.

Add Files

git add [filename]

Adds changes from the specified file to the staging area. Use git add . to stage all changes.

Introduction

Git diff is a helpful command that lets you see exactly what has changed in your project. Whether you're checking your current work, reviewing staged changes, or comparing different commits, git diff shows you the differences line by line.

What is Git Diff?

Git diff compares various states of your repository and highlights changes. It can show differences between:

• Your working directory and the last commit.
• Your staged changes and the last commit.
• Two different commits or branches.

How to Use Git Diff

Comparing Working Directory with Last …

Introduction

Sometimes your project depends on code from another project. Git submodules allow you to embed one repository inside another, keeping external code separate yet connected. This article explains what submodules are, why they're useful, and how to work with them.

What are Git Submodules?

A Git submodule is a reference to another repository within your main repository. Instead of copying external code, you include it as a submodule, which tracks a specific commit from that repository.

Why Use Git Submodules?

Submodules are useful when:

• You want to …

Introduction

Sometimes, you only need one specific change from another branch without merging everything. Git cherry-pick lets you pick a single commit from one branch and apply it to your current branch, helping you keep your history clean and focused.

What is Git Cherry-Pick?

Git cherry-pick is a command that takes the changes introduced by a particular commit and applies them on top of your current branch. It’s like picking one puzzle piece from a different box to complete your picture.

Why Use Cherry-Pick?

Use cherry-pick when you want to: …

Introduction

Git Hooks allow you to run custom scripts at key points in your Git workflow. They help automate tasks, improve code quality, and enforce team policies without manual intervention.

What are Git Hooks?

Git Hooks are small scripts that Git executes before or after events such as committing or merging code. These hooks are stored in the .git/hooks directory of your repository.

Why Use Git Hooks?

Using Git Hooks can help you:

• Automatically run tests before commits to catch errors early.
• Enforce coding standards by checking code …