Arch tags are full commits (without any changed files) as well. Trust Arch
to have put an unchanged tree in place (which seems to do reliably), and
just add a tag & new branch. Speeds up Arch imports significantly, and leaves
history in a much saner state.
Signed-off-by: Martin Langhoff <martin@catalyst.net.nz> Signed-off-by: Junio C Hamano <junkio@cox.net>