(AndOr
  children: [
    (C {(cd)} {(build/system-image-) (DQ ($ VSub_Number "$1"))})
    (SimpleCommand
      words: [{(./dev-environment.sh)}]
      more_env: [
        (env_pair
          name: PATH
          val: 
            {
              (DQ (CommandSubPart command_list:(C {(pwd)}) spids:[2325]) ("/build/host:") 
                ($ VSub_Name "$PATH")
              )
            }
          spids: [21]
        )
      ]
    )
  ]
  op_id: Op_DAmp
)