root="$1"
question="$2"
value="$3"
+seen="$4"
+[ "$seen" ] || seen=true
-if ! (echo "SET $question $value"; echo "FSET $question seen true") | chroot "$1" debconf-communicate -fnoninteractive casper >/dev/null; then
+if ! (echo "SET $question $value"; echo "FSET $question seen $seen") | chroot "$1" debconf-communicate -fnoninteractive casper >/dev/null; then
chroot "$1" debconf-communicate -fnoninteractive casper >/dev/null <<EOF
REGISTER debian-installer/dummy $question
SET $question $value
-FSET $question seen true
+FSET $question seen $seen
EOF
fi