git-diff-helper - Generates patch format output for git-diff-*
git-diff-helper [-z] [-S<string>] [-O<orderfile>]
Reads output from "git-diff-cache", "git-diff-tree" and "git-diff-files" and generates patch format output.
\0 line termination on input
Look for differences that contains the change in <string>.
When -S finds a change, show all the changes in that changeset, not just the files that contains the change in <string>.
Output the patch in the order specified in the <orderfile>, which has one shell glob pattern per line.
The section on generating patches in git-diff-cache(1)
Written by Junio C Hamano <junkio@cox.net>
Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel.org>.
Part of the git(7) suite