still use old variable names when running hooks. dropped by accident. we set HG_FOO (new name) and FOO (old name). plan is to drop old names after 0.9.

#!/bin/sh

hg init
mkfifo p

hg serve --stdio < p &
P=$!
(echo lock; echo addchangegroup; sleep 5) > p &
Q=$!
sleep 1
kill -HUP $P
sleep 1
ls .hg