Cmd (b0.B0_std.Os.Cmd)

val find_tool : 
  ?win_exe:bool ->
  ?search:Fpath.t list ->
  Cmd.tool ->
  (Fpath.t option, string) result

val get_tool : 
  ?win_exe:bool ->
  ?search:Fpath.t list ->
  Cmd.tool ->
  (Fpath.t, string) result

val get_first_tool : 
  ?win_exe:bool ->
  ?search:Fpath.t list ->
  Cmd.tool list ->
  (Fpath.t, string) result

val find : 
  ?win_exe:bool ->
  ?search:Fpath.t list ->
  Cmd.t ->
  (Cmd.t option, string) result

val get : 
  ?win_exe:bool ->
  ?search:Fpath.t list ->
  Cmd.t ->
  (Cmd.t, string) result

type status = [

| `Exited of int
| `Signaled of int

]

val pp_status : status Fmt.t

val pp_cmd_status : (Cmd.t * status) Fmt.t

type stdi

val in_string : string -> stdi

val in_file : Fpath.t -> stdi

val in_fd : close:bool -> Unix.file_descr -> stdi

val in_stdin : stdi

val in_null : stdi

type stdo

val out_file : ?mode:int -> force:bool -> make_path:bool -> Fpath.t -> stdo

val out_fd : close:bool -> Unix.file_descr -> stdo

val out_stdout : stdo

val out_stderr : stdo

val out_null : stdo

val run_status : 
  ?env:Env.assignments ->
  ?cwd:Fpath.t ->
  ?stdin:stdi ->
  ?stdout:stdo ->
  ?stderr:stdo ->
  Cmd.t ->
  (status, string) result

val run_status_out : 
  ?env:Env.assignments ->
  ?cwd:Fpath.t ->
  ?stdin:stdi ->
  ?stderr:[ `Out | `Stdo of stdo ] ->
  trim:bool ->
  Cmd.t ->
  (status * string, string) result

val run : 
  ?env:Env.assignments ->
  ?cwd:Fpath.t ->
  ?stdin:stdi ->
  ?stdout:stdo ->
  ?stderr:stdo ->
  Cmd.t ->
  (unit, string) result

val run_out : 
  ?env:Env.assignments ->
  ?cwd:Fpath.t ->
  ?stdin:stdi ->
  ?stderr:[ `Out | `Stdo of stdo ] ->
  trim:bool ->
  Cmd.t ->
  (string, string) result

type pid

val pid_to_int : pid -> int

val spawn : 
  ?env:Env.assignments ->
  ?cwd:Fpath.t ->
  ?stdin:stdi ->
  ?stdout:stdo ->
  ?stderr:stdo ->
  Cmd.t ->
  (pid, string) result

val spawn_poll_status : pid -> (status option, string) result

val spawn_wait_status : pid -> (status, string) result

val kill : pid -> int -> (unit, string) result

type spawn_tracer =
  pid option ->
  Env.assignments option ->
  cwd:Fpath.t option ->
  Cmd.t ->
  unit

val spawn_tracer_nop : spawn_tracer

val spawn_tracer : unit -> spawn_tracer

val set_spawn_tracer : spawn_tracer -> unit

val execv : 
  ?env:Env.assignments ->
  ?cwd:Fpath.t ->
  Fpath.t ->
  Cmd.t ->
  ('a, string) result

type t = Cmd.t