Port v1.6.1-rc1~319 (provide more errors for the "merge into empty head" case, 2008-08-21) to the example merge script. Noticed by comparison with builtin merge. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
These are original scripted implementations, kept primarily for their reference value to any aspiring plumbing users who want to learn how pieces can be fit together.