The default was not to change the window or depth at all. As suggested
by Jon Smirl, Linus Torvalds and others, default to
--window=250 --depth=250
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Acked-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>