tests/test-hup

Use httpconnection even with proxies.

This should give us HTTP keepalive when we talk to proxies and
should allow us to stream a file in unbundle (instead of
reading everything into a string).

This should fix issue376.

#!/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