add --config global option. allows to set hgrc option on command line. syntax: --config section.name=value also add new test-globalopts to test all global options in one place.

#!/bin/sh

hg init
mkfifo p

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