(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:16777215 arg_word:{(2)} spids:[6])]
    )
    (C {(exit)} {(128)})
  ]
)