Recover Lost Git Commits Using Git Reflog & Git Branch | Complete Hands-On Tutorial
🚀 Recover Lost Git Commits Using Git Reflog and Git Branch | Complete Hands-On Tutorial
Have you accidentally removed commits using git reset --hard and wondered whether they were gone forever?
In this lesson, you'll learn one of Git's most powerful recovery techniques—using Git Reflog together with the git branch command to recover lost commits without modifying your current branch.
Starting with a repository containing five commits, we intentionally remove Commit-4 and Commit-5 using:
git reset --hard HEAD~2
We then use git reflog to locate the previous HEAD position and recover the lost commits safely by creating a new branch:
git branch Recovery HEAD@{1}
This approach allows you to recover your work while keeping your existing branch intact, making it one of the safest recovery techniques available in Git.
📚 In this lesson, you'll learn:
✅ What actually happens when git reset --hard removes commits from branch history
✅ Why deleted commits often still exist inside Git's object database
✅ The difference between reachable and unreachable commits
✅ How git reflog records previous HEAD positions
✅ How to interpret reflog entries after a reset
✅ How to inspect deleted commits using git show
✅ Why HEAD@{1} points to the HEAD position before the reset
✅ How git branch Recovery HEAD@{1} restores deleted commits
✅ Why recovering commits using a new branch is often safer than moving an existing branch
✅ How to verify recovered history using git log --all --graph --decorate
✅ How switching to the Recovery branch restores the Working Directory and Staging Area
🎯 What makes this lesson different?
Unlike many Git tutorials that simply demonstrate commands, this lesson is designed to help you build a strong mental model of how Git works internally.
📌 PowerPoint-based block diagrams are included at every logical step of the lesson, allowing you to visualize:
How HEAD moves
How branch pointers change
Which commits are reachable and unreachable
How Git Reflog records HEAD movements
Why creating a Recovery branch makes lost commits reachable again
These visual diagrams make complex Git concepts much easier to understand and remember.
📝 Self-Assessment Included
To help reinforce your understanding, the lesson concludes with 18 carefully designed multiple-choice questions (MCQs) with answers.
These MCQs are based directly on the concepts demonstrated throughout the lesson and provide a complete self-assessment, allowing you to measure how well you've understood topics such as:
Git Reflog
HEAD movement
Reachable vs. unreachable commits
Branch pointers
git reset --hard
git branch Recovery HEAD@{1}
Commit recovery techniques
By the end of the lesson, you'll not only know how to recover lost commits—you'll also be able to verify your understanding through the MCQs.
🧪 Hands-On Commands Covered
git reset --hard
git reflog
git show
git branch
git switch
git log --all --graph --decorate
👨🎓 Perfect for
College and university students
Beginners learning Git
Software developers
QA Engineers and SDETs
DevOps engineers
Computer Science students
Anyone preparing for technical interviews or Git certification exams
If you've ever thought, "I lost my commits!", this lesson will show you why Git is designed to protect your work and how Git Reflog can help you recover it safely and confidently.
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