Cmd (topkg.Topkg

val exists : Topkg_cmd.t -> bool Topkg_result.result

val must_exist : Topkg_cmd.t -> Topkg_cmd.t Topkg_result.result

val run : ?err:Topkg_fpath.t -> Topkg_cmd.t -> unit Topkg_result.result

val run_status : 
  ?err:Topkg_fpath.t ->
  Topkg_cmd.t ->
  [ `Exited of int ] Topkg_result.result

type run_status = Topkg_cmd.t * [ `Exited of int ]

val success : ('a * run_status) Topkg_result.result -> 'a Topkg_result.result

type run_out

val out_string : 
  ?trim:bool ->
  run_out ->
  (string * run_status) Topkg_result.result

val out_lines : 
  ?trim:bool ->
  run_out ->
  (string list * run_status) Topkg_result.result

val out_file : 
  Topkg_fpath.t ->
  run_out ->
  (unit * run_status) Topkg_result.result

val out_stdout : run_out -> (unit * run_status) Topkg_result.result

val to_string : ?trim:bool -> run_out -> string Topkg_result.result

val to_lines : ?trim:bool -> run_out -> string list Topkg_result.result

val to_file : Topkg_fpath.t -> run_out -> unit Topkg_result.result

val run_out : ?err:Topkg_fpath.t -> Topkg_cmd.t -> run_out