How to grep the git diff?

Question

Is there a way to show the git-diff filtered by a given pattern.

Something like

git grepdiff pattern

changed file
+++ some sentence with pattern
change         


        

Answer 1

On Windows, a simple solution is:

git diff -U0 | findstr string

If you want grouping by filename, use this

FOR /F "usebackq delims==" %i IN (`git diff --name-only`) do git diff -U0 %~fi | findstr string