How to create a git patch from the uncommitted changes in the current working directory without creating a commit?
How can you generate a Git patch from uncommitted changes without making a commit? This method is useful when you want to share or back up your modifications as a patch file while keeping your working directory uncommitted.
In Git, you don’t always have to commit your changes before creating a patch. Sometimes you may want to save your uncommitted changes as a patch file to share with a teammate, apply them later, or back them up without affecting the repository history. Luckily, Git makes this possible with a few simple commands.
Here’s how you can do it:
Using git diff
The git diff command captures differences between your working directory and the last commit. You can redirect this output to a file:
git diff > changes.patch
This creates a patch file (changes.patch) containing all your uncommitted changes.
Including staged changes
If you’ve already staged some files with git add, you can include them with:
git diff --cached > staged_changes.patch
Combining both staged and unstaged changes
To save all changes (both staged and unstaged) in one patch:
git diff HEAD > all_changes.patch
Applying the patch later
To apply the patch in the same or another repository, you can use:
git apply changes.patch
In short, creating a Git patch without committing is as simple as redirecting git diff output into a file. It’s very handy for collaboration, code reviews, or temporary backups without cluttering your commit history.