demandimport: blacklist gtk
Demandimport breaks gtk. You get a meaningless error about
'failed loading gobject\_gobject.pyd'. Mercurial does not use gtk,
but this trips up many extension writers.
#!/bin/sh
"$TESTDIR/hghave" fifo || exit 80
hg init
mkfifo p
hg serve --stdio < p &
P=$!
(echo lock; echo addchangegroup; sleep 5) > p &
Q=$!
sleep 3
kill -HUP $P
wait
echo .hg/* .hg/store/*