    user@host:~/flatpak-autotools$ 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
    [--:--:--][8c609e7d][ main:hello.bst                     ] START   Staging dependencies
    [00:00:01][8c609e7d][ main:hello.bst                     ] SUCCESS Staging dependencies
    [--:--:--][8c609e7d][ main:hello.bst                     ] START   Integrating sandbox
    [00:00:00][8c609e7d][ main:hello.bst                     ] SUCCESS Integrating sandbox
    [--:--:--][8c609e7d][ main:hello.bst                     ] STATUS  Running command

        hello

    Hello World!
    This is amhello 1.0.