# If a command is provided by cmd_map, use that. Else pass through to
# then call the local function in cmd_map.
os.environ['SILK_ROLE'] = app_container.get_role() or ''
os.environ['SILK_ROOT'] = app_container.get_site_root(os.getcwd()) or ''
# Use project-provided fabfile if present, else the one built into
# Silk. We'll have to trust that the project file imports ours.