Fix the directory and revlog collision problem This adds escaping for directory names so that directory foo.i doesn't collide with the revision data for file foo.

#!/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