(CommandList children: [ (Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (LhsName name:KUBE_ROOT) op: Equal rhs: { (CommandSubPart command_list: (CommandList children: [(C {(dirname)} {(DQ (${ VSub_Name BASH_SOURCE))})] ) left_token: <Left_CommandSub '$('> spids: [48 56] ) (/../..) } spids: [47] ) ] spids: [47] ) (C {(source)} {(DQ (${ VSub_Name KUBE_ROOT) (/cluster/openstack-heat/config-default.sh))}) ] )