Top 20 Git Interview Questions for QA Engineers (With Answers)

Introduction

Git is one of the most frequently asked topics in QA Automation interviews. Whether you're working with Selenium, API automation, Playwright, Cypress, or CI/CD pipelines, Git is an essential tool for version control and collaboration.

Interviewers often assess not only your knowledge of Git commands but also your understanding of real-world workflows, branching strategies, conflict resolution, and collaboration.

In this blog, we'll cover the Top 20 Git interview questions with clear explanations and practical examples to help you prepare confidently.

1. What is Git?

Answer:

Git is a Distributed Version Control System (DVCS) that tracks changes to files and source code over time. It enables multiple team members to work on the same project simultaneously without overwriting each other's changes.

Key Features

  • Version control

  • Branching and merging

  • Collaboration

  • History tracking

  • Rollback capability

2. What is the Difference Between Git and GitHub?

GitGitHub
Version Control SystemCloud hosting platform
Installed locallyWeb-based
Tracks code changesHosts Git repositories
Works offlineRequires internet for remote operations

Interview Tip: Git manages your code history, while GitHub provides a platform to store and collaborate on Git repositories.

3. Why Should QA Engineers Learn Git?

Answer:

QA Engineers use Git to:

  • Manage automation scripts

  • Collaborate with developers

  • Track test framework changes

  • Review Pull Requests

  • Integrate with CI/CD pipelines

  • Maintain version history of test assets

4. Explain the Git Workflow.

The basic Git workflow is:

Working Directory
        ↓
git add
        ↓
Staging Area
        ↓
git commit
        ↓
Local Repository
        ↓
git push
        ↓
Remote Repository

This is one of the most common interview questions for beginners.

5. What is a Repository?

A repository (repo) is a storage location that contains:

  • Source code

  • Automation scripts

  • Configuration files

  • Commit history

  • Branches

  • Tags

Repositories can be:

  • Local

  • Remote

6. What is the Difference Between git fetch and git pull?

git fetch

Downloads changes from the remote repository but does not merge them into your current branch.

git fetch

git pull

Downloads changes and automatically merges them into your current branch.

git pull

Interview Tip: Use git fetch when you want to review incoming changes before merging.

7. What is the Difference Between git add and git commit?

git add

Moves changes to the staging area.

git add .

git commit

Saves staged changes to the local repository.

git commit -m "Added login test cases"

8. What is a Branch?

A branch is an independent line of development that allows you to work on new features or bug fixes without affecting the main codebase.

Common branch names include:

  • main

  • develop

  • feature/login-tests

  • bugfix/api-timeout

9. How Do You Create a Branch?

git switch -c feature/payment-tests

Or:

git checkout -b feature/payment-tests

10. What is a Merge?

Merging combines changes from one branch into another.

git merge feature/payment-tests

After testing is complete, feature branches are typically merged into the main or develop branch.

11. What is a Merge Conflict?

A merge conflict occurs when Git cannot automatically combine changes because the same part of a file has been modified in different branches.

Steps to Resolve

  1. Identify conflicted files.

  2. Edit the files to resolve conflicts.

  3. Stage the resolved files.

  4. Commit the merge.

12. What is Git Stash?

Git Stash temporarily saves uncommitted changes so you can switch branches without committing unfinished work.

git stash

Restore changes:

git stash pop

13. What is HEAD in Git?

HEAD is a pointer that refers to the current commit your working directory is based on.

Think of it as your current position in the project's commit history.

14. What is the Difference Between git reset and git revert?

git reset

Moves the current branch pointer to a previous commit. Depending on the option used (--soft, --mixed, or --hard), it can also modify the staging area and working directory.

git reset --soft HEAD~1

git revert

Creates a new commit that undoes the changes introduced by an earlier commit.

git revert <commit-id>

Interview Tip: git revert is generally safer for shared branches because it preserves project history.

15. What is a Pull Request (PR)?

A Pull Request is a request to merge changes from one branch into another.

It allows reviewers to:

  • Review code

  • Suggest improvements

  • Run automated checks

  • Approve changes before merging

16. What is the Difference Between git clone and git fork?

git clone

Creates a local copy of an existing repository.

git clone https://github.com/company/project.git

Fork

Creates your own copy of another repository on a hosting platform (such as GitHub), often used when contributing to open-source projects.

17. How Do You Check the Commit History?

Compact history:

git log --oneline

Detailed history:

git log

Graph view:

git log --graph --oneline --decorate --all

18. How Do You Undo the Last Commit?

Keep the changes:

git reset --soft HEAD~1

Discard the changes:

git reset --hard HEAD~1

Use the hard reset option with caution because it permanently removes uncommitted changes.

19. What Are the Most Common Git Commands Used Daily?

CommandPurpose
git statusCheck repository status
git add .Stage changes
git commit -mSave changes
git pullGet latest updates
git pushUpload commits
git branchView branches
git switchChange branch
git mergeMerge branches
git stashTemporarily save changes
git logView commit history

20. Explain a Real-Time Git Workflow Used by a QA Engineer.

Scenario

You need to automate a new Login feature.

Typical Workflow

  1. Pull the latest code from the remote repository.

  2. Create a feature branch.

  3. Develop and test the automation scripts.

  4. Run the automation suite locally.

  5. Stage the changes.

  6. Commit with a meaningful message.

  7. Push the feature branch to the remote repository.

  8. Create a Pull Request.

  9. Address review comments if necessary.

  10. Merge after approval.

  11. Pull the latest changes to keep your local repository up to date.

This demonstrates a practical understanding of Git collaboration, which interviewers often look for.

Bonus Rapid-Fire Questions

  • What is the purpose of .gitignore?

  • What is the staging area?

  • What is the difference between git switch and git checkout?

  • What is a remote repository?

  • How do you rename a branch?

  • How do you delete a branch?

  • What is Git tagging?

  • What is a detached HEAD?

  • What is Git rebase?

  • When would you use git cherry-pick?

Tips to Crack Git Interview Questions

  • Understand the Git workflow rather than memorizing commands.

  • Practice branching, merging, and resolving merge conflicts.

  • Learn the difference between similar commands like fetch vs. pull and reset vs. revert.

  • Be able to explain a real project workflow involving feature branches, Pull Requests, and code reviews.

  • Know how Git fits into CI/CD pipelines and automation frameworks.

Final Thoughts

Git is one of the foundational skills for modern QA Engineers. Whether you're working on manual testing projects, automation frameworks, or DevOps pipelines, understanding Git improves collaboration, traceability, and code quality.

For interviews, focus on mastering the Git workflow, branching strategies, merge conflict resolution, and the commands you use daily. Pair your theoretical knowledge with hands-on practice by creating repositories, making commits, working with branches, and collaborating through Pull Requests.

The more you use Git in real projects, the more confident you'll become in both your daily work and technical interviews.