magit/magit — pull request #694 by pessi (2013-06-19 17:10:41+00:00)
Title: Yet another (ma)git grep

magit-grep with two interfaces, magit-grep is like M-x grep and magit-grep-string like find-tag (M-.). An that is not all, prefix arg can be used to search from whole git tree.

Best thing since sliced bread!