#!/bin/sh

mkdir t

cd t

hg init

echo import > port

hg add port

hg commit -m 0 -u spam -d '0 0'

echo export >> port

hg commit -m 1 -u eggs -d '1 0'

echo export > port

echo vaportight >> port

echo 'import/export' >> port

hg commit -m 2 -u spam -d '2 0'

echo 'import/export' >> port

hg commit -m 3 -u eggs -d '3 0'

head -n 3 port > port1

mv port1 port

hg commit -m 4 -u spam -d '4 0'

hg grep port port

hg grep --all -nu port port

hg grep import port

hg cp port port2

hg commit -m 4 -u spam -d '5 0'

echo '% follow'

hg grep -f 'import$' port2

echo deport >> port2

hg commit -m 5 -u eggs -d '6 0'

hg grep -f --all -nu port port2