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

[--:--:--][][] START   Loading pipeline
[00:00:00][][] SUCCESS Loading pipeline
[--:--:--][][] START   Resolving pipeline
[00:00:00][][] SUCCESS Resolving pipeline
[--:--:--][][] START   Resolving cached state
[00:00:00][][] SUCCESS Resolving cached state
[--:--:--][][] START   Staging dependencies
[00:00:00][][] SUCCESS Staging dependencies
[--:--:--][][] START   Integrating sandbox
[--:--:--][f3a052f5][ main:base/alpine.bst               ] STATUS  Running integration command

    ldconfig "/usr/lib"

[00:00:00][][] SUCCESS Integrating sandbox
[--:--:--][18c81214][ main:hello.bst                     ] STATUS  Running command

    hello pony

Hello pony