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Joseph Trettevik
Joseph Trettevik

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Git and GitHub: Git Revert

Song of the Week


Last week we covered how to do a hard reset of your repository. Though they're sometimes necessary, hard resets are a pretty destructive method of rewinding your repository because they alter the commit history.

Today's post will cover the nondestructive rewind, aka git revert.
We'll go over:

  • What git revert does and how it is different from git reset.
  • How to revert a single commit.
  • How to revert a range of commits.

Git Revert vs Git Reset

The git revert <commit-hash> command will reverse the changes made by the commit hash given, and then create a new commit. This is the preferred method for undoing the changes of a specific commit if that commit has already been push to a shared remote repository because it preserves the commit history.

This is different from a git reset, because a reset will move the HEAD ref to the commit hash given, and drop all the commits after that one. A git revert only reverses the commit that was given and keeps all the following commits and the changes that were made in them. This makes git revert great for removing a bug that was introduced by a single commit without having to redo all the work in the following commits.

How to Revert a Single Commit

To revert a single commit, enter the following git command in the terminal:

git revert <commit-hash>

You can also pass git revert a reference to the commit that is relative the HEAD ref. So, if you entered git revert HEAD~2, the changes from the third most recent commit would be reversed.

Let's look at an example. I created a local repository with some files whose names match the commit in which they were created, which looks like this:
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All these files just have the text "added content" in them and each was added with their own commit. The git log looks like this:
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Now let's say there was some bug in commit A that we wanted to undo but keep commits B-D. We would enter the following git command:
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You can see in the git log that the git revert command automatically created a commit. Also, I used HEAD~3 to reference commit A. Remember that most recent commit is equal to HEAD, which can be written as HEAD~0. So, the fourth most recent commit is HEAD~3.

Now if we look at the working directory you'll see that the "commit-A" has been removed, but the rest remain.
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How to Revert a Range of Commits

To revert a range of commits, simply enter the following git command in the terminal:

git revert -n <commit-hash>^..<commit-hash>

Notice the ^ before the two periods. That caret symbol tells git to include that first commit hash given in the range. And the -n option tells git to not create a commit, but to instead stage the changes in the Staging Index and the Working Directory. This way you can do one commit manually to maintain a neat commit history.

In the same example we used above, lets say we want to rewind to commit A and maintain the commit history. You could do that like this:
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By running git status, we can see that all files added in the commits B-D have been deleted.

Now we just need to commit those changes.
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In the git log we see that commits B-D are still in the commit history even though their changes have been reversed.

If we open the Working Directory, we'll see that it has indeed rewound back to commit A.
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  • git revert <commit-hash> will reverse the changes made by the commit hash given, and then create a new commit.
  • Unlike git reset, git revert <commit-hash> will not remove the commits after the commit given, thereby preserving the commit history.
  • git revert will also accept a commit reference based on HEAD, like git reset HEAD~3, for example.
  • git revert -n <commit-hash>^..<commit-hash> will reverse the changes by the range of commits given(inclusively), and will stash the changes in the Staging Index. The -n option prevents the auto commits, so you will need to do a manual commit.


Cover Image - Mt St Helens
Git Revert -
Git Revert - Git Docs
How to revert multiple git commits? -

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