merge: copy fixes and tests Fix up "already seen" logic Fix merge action in remote copy case Add status message Add lots of merge+copy/move test cases

#!/bin/sh

hg init
mkfifo p

hg serve --stdio < p &
P=$!
(echo lock; echo addchangegroup; sleep 5) > p &
Q=$!
sleep 3
kill -HUP $P
wait
ls .hg