This hook is what I have been using to manage topic branches in git.git,
but have not been updated to the Real Thing for a while.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This lets a hook to interfere a rebase and help prevent certain
branches from being rebased by mistake. A sample hook to show
how to prevent a topic branch that has already been merged into
publish branch.
Signed-off-by: Junio C Hamano <junkio@cox.net>