(CommandList
  children: [
    (SimpleCommand
      words: [
        {(echo)}
        {
          (DQ ("fatal: git was built without support for ") 
            (CommandSubPart
              command_list: (CommandList children:[(C {(basename)} {($ VSub_Number "$0")})])
              left_token: <Left_CommandSub "$(">
              spids: [11 15]
            ) (" (@@REASON@@).")
          )
        }
      ]
      redirects: [(Redir op_id:Redir_GreatAnd fd:-1 arg_word:{(2)} spids:[6])]
    )
    (C {(exit)} {(128)})
  ]
)