gitrgrep(1) on Linux
The text 2c51551bfbb9, as Debian 1.2 (Rex), Debian 1.1 (Buzz) shipped it.
GNU Interactive Tools version 4.3.6 - recursive grep
The text 2c51551bfbb9, as Debian 1.2 (Rex), Debian 1.1 (Buzz) shipped it.
GNU Interactive Tools version 4.3.6 - recursive grep