git-grep

Find strings inside files anywhere in a repository's history. Accepts a lot of the same flags as regular grep. More information: https://git-scm.com/docs/git-grep.

• Search for a string in tracked files:

git grep search_string

• Search for a string in files matching a pattern in tracked files:

git grep search_string -- file_glob_pattern

• Search for a string in tracked files, including submodules:

git grep --recurse-submodules search_string

• Search for a string at a specific point in history:

git grep search_string HEAD~2

• Search for a string across all branches:

git grep search_string $(git rev-list --all)