"git commit -a" ignores untracked files and follows all tracked
files, regardless of whether they are listed in .gitignore. So
don't use it to motivate gitignore.
Signed-off-by: Jonathan Nieder <jrnieder@uchicago.edu> Acked-by: J. Bruce Fields <bfields@fieldses.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>