Question
How to Create and Apply Patches in GIT using diff and apply Command
Solution
Create Patch:git diff PATH/TO/SOURCE.php > PATH/SAVE_patch.diff
Example: git diff web/modules/custom_module/ > patches/custom-module-1.patch
Apply patchgit apply PATH/SAVE_patch.diff
Example: git apply patches/custom-module-1.patch
git apply ../../patches/custom-module-1.patch
Reversing patches
To revert a patch just add the option -R
Example:git apply -R PATH/SAVE_patch.diff
Example: git apply -R patches/custom-module-1.patch
