Install ncurses-base to get terminfo files.

It's an essential package designed for exactly this.
It's pretty small, so not a huge cost to putting it back in.

The problem is pervasive enough, and it's unlikely that
users will know how to fix it, that it's worth us solving
it in the base image.

test

@@ -12,7 +12,13 @@ function desc() {
 }
 
 function test() {
-    docker run --rm -e DEBIAN_FRONTEND=noninteractive "$IMAGE_ID" "$@"
+    test_extra_args '' "$@"
+}
+
+function test_extra_args() {
+    local extra_args=$1
+    shift
+    docker run --rm $extra_args -e DEBIAN_FRONTEND=noninteractive "$IMAGE_ID" "$@"
     echo ""
     echo TEST: OK
     echo ""
@@ -40,3 +46,7 @@ desc "Check that install_packages doesn't loop forever on failures"
 # We check that we didn't install the package afterwards, just in case a package gets added with that name.
 # We wrap the whole thing in a timeout so that it doesn't loop forever. It's not ideal to have a timeout as there may be spurious failures if the network is slow.
 test bash -c 'timeout 60 bash -c "(install_packages thispackagebetternotexist || true) && ! dpkg -l thispackagebetternotexist"'
+
+# See https://github.com/bitnami/minideb/issues/17
+desc "Checking that the terminfo is valid when running with -t (#17)"
+echo "" | test_extra_args '-t' bash -c 'install_packages procps && top -d1 -n1 -b'