convert: svn: defer get_log parsing until after get_log completes. According to the documentation, it is not safe to perform any other operation on the ra object until get_log completes.

#!/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
echo .hg/* .hg/store/*