#GIT REVERT COMMIT HOW TO#

Git records the state of the files when you stage them with git add or when you make a commit. Be sure to always double check that the output of git status is empty (clean) before you begin using it.

Luckily there is an easy solution to follow to correct this.įirst of all git reset - hard is a very dangerous command because it eliminates all of your noncommitted changes.

#GIT REVERT COMMIT HOW TO#

It should therefore receive the same level of caution once you have pushed a commit into a shared branch, amending that commit and pushing the amended change can result in side effects for all of those working off of that commit.A question that comes up with developers is how to use git reset– hard HEAD to revert to previous commit. Under the hood, Git amend creates a brand new commit and replaces your last commit with the new one. Git amend is a single-commit undo tool which only affects the last commit in the branch’s history.Īs with Git reset and Git rebase, amending is a history-rewriting process, or a reverse change, rather than a forward change. Similarly, if there is a mistake in your previous commit’s code, you can fix the mistake and even add more changes before you amend it. For example, you can amend the previous commit by changing the Git commit message or description, or you can even stage a file you forgot to include. If you want to modify the last commit in your history, you have the ability to amend the Git commit with changes. Perhaps you forgot to stage a file in the last commit, or had a typo in the commit message, or even made mistakes in the code, but you have not yet committed anything else on top of it. In many cases, you catch your mistake right after you complete a commit. However, because of the freedom you have with targeting any commit, you can more easily introduce a conflict when attempting a Git revert. The most common scenario for reverting a Git commit is that you’ve accidentally committed something and it was merged into a shared branch or repo that your teammates work from Git revert can be particularly useful when you publish to and work off shared branches.Īnother advantage is that the commit you target can be arbitrary you can target any commit at any point in history. Importantly, this means that the existing commit history prior to the newly added “undo” commit, including the original error commit, is preserved. The git revert command follows this principle: it introduces a new commit to the commit history whose sole purpose is to undo the changes of a targeted commit. In other words, rather than going back in time, we can introduce an “equal but opposite” action to neutralize the effect of our original action. The philosophy behind Git revert is that we can undo past mistakes with “forward change”.

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Git revert commit