refactor: restrict container host access

enter.sh

@@ -23,6 +23,7 @@ run_args() {
   # container.
   [ -e "/run/user/$UID/bus" ] && arg "-v /run/user/$UID/bus:/tmp/bus" # Use host dbus.
   arg "-e HOST_HOME=$HOME"                                            # Used to translate container path to host.
+  arg "-e CONTAINER_NAME=$name"
 
   # Use host networking.
   arg "--net=host"
@@ -82,4 +83,4 @@ if [ "$pull" = true ] || [ "$(podman container inspect "$name" -f {{.State.Runni
 fi
 
 podman start "$name" 1>/dev/null
-podman exec -e CONTAINER_NAME="$name" -e ENTER_DIR="${PWD/#$HOME/\~}" --detach-keys "ctrl-@" -it "$name" bash -l
+podman exec -e ENTER_DIR="${PWD/#$HOME/\~}" --detach-keys "ctrl-@" -it "$name" bash -l