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

    [--:--:--][][] 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
    [--:--:--][8e37238e][ main:hello.bst                     ] START   Staging dependencies
    [00:00:00][8e37238e][ main:hello.bst                     ] SUCCESS Staging dependencies
    [--:--:--][8e37238e][ main:hello.bst                     ] START   Integrating sandbox
    [--:--:--][8175172a][ main:base/alpine.bst               ] STATUS  Running integration command

        ldconfig "/usr/lib"

    [00:00:00][8e37238e][ main:hello.bst                     ] SUCCESS Integrating sandbox
    [--:--:--][8e37238e][ main:hello.bst                     ] STATUS  Running command

        hello pony

    Hello pony