Create patch or diff file from git repository and apply it to another different git repository
There are different ways to apply a Git patch. Let’s learn more about various Git Diff commands and how to create/apply a patch with the help of Git diff and Git apply. We will assume that you have already cloned/obtained a copy of the project in your local repository and have pulled the latest changes so you’re not working on an older version of the project. Take a look at some Github best practices here.
git diff file > folder/my_patch.patch