tests/test-hup

changegroupsubset: readdelta() can be used if the previous rev is a parent

#!/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/*