Cook
Match a pattern only in UNSTAGED hunks
git diff -U1 | grepdiff 'TODO' --output-matching=hunk
Match a pattern only in STAGED hunks
git diff -U1 --staged | grepdiff 'TODO' --output-matching=hunk
List the files that match a pattern in a given git range
Here, look for the pattern TODO
in all commits from main..HEAD
git grep TODO -- $(git diff --name-only main..HEAD)