    user@host:~/running-commands$ bst shell hello.bst -- hello

    [--:--:--][][] START   Loading elements
    [00:00:00][][] SUCCESS Loading elements
    [--:--:--][][] START   Resolving elements
    [00:00:00][][] SUCCESS Resolving elements
    [--:--:--][][] START   Resolving cached state
    [00:00:00][][] SUCCESS Resolving cached state
    [--:--:--][2bee306e][ main:hello.bst                     ] START   Staging dependencies
    [00:00:00][2bee306e][ main:hello.bst                     ] SUCCESS Staging dependencies
    [--:--:--][2bee306e][ main:hello.bst                     ] START   Integrating sandbox
    [00:00:00][2bee306e][ main:hello.bst                     ] SUCCESS Integrating sandbox
    [--:--:--][2bee306e][ main:hello.bst                     ] STATUS  Running command

        hello

    Hello World