Change std_output_to and opened_file to use Path.t

src/action.ml

@@ -612,7 +612,10 @@ open Fiber.O
 
 let get_std_output : _ -> Process.std_output_to = function
   | None          -> Terminal
-  | Some (fn, oc) -> Opened_file { filename = fn; tail = false; desc = Channel oc }
+  | Some (fn, oc) ->
+    Opened_file { filename = (Path.of_string fn)
+                ; tail = false
+                ; desc = Channel oc }
 
 module Promotion = struct
   module File = struct
@@ -766,7 +769,7 @@ let rec exec t ~ectx ~dir ~env ~stdout_to ~stderr_to =
     Io.write_file fn s;
     Fiber.return ()
   | Redirect (outputs, fn, Run (Ok prog, args)) ->
-    let out = Process.File (Path.to_string fn) in
+    let out = Process.File fn in
     let stdout_to, stderr_to =
       match outputs with
       | Stdout -> (out, get_std_output stderr_to)

src/process.ml

@@ -31,11 +31,11 @@ let map_result
 
 type std_output_to =
   | Terminal
-  | File        of string
+  | File        of Path.t
   | Opened_file of opened_file
 
 and opened_file =
-  { filename : string
+  { filename : Path.t
   ; desc     : opened_file_desc
   ; tail     : bool
   }
@@ -126,16 +126,18 @@ module Fancy = struct
     match stdout_to, stderr_to with
     | (File fn1 | Opened_file { filename = fn1; _ }),
       (File fn2 | Opened_file { filename = fn2; _ }) when fn1 = fn2 ->
-      sprintf "%s &> %s" s fn1
+      sprintf "%s &> %s" s (Path.to_string fn1)
     | _ ->
       let s =
         match stdout_to with
         | Terminal -> s
-        | File fn | Opened_file { filename = fn; _ } -> sprintf "%s > %s" s fn
+        | File fn | Opened_file { filename = fn; _ } ->
+          sprintf "%s > %s" s (Path.to_string fn)
       in
       match stderr_to with
       | Terminal -> s
-      | File fn | Opened_file { filename = fn; _ } -> sprintf "%s 2> %s" s fn
+      | File fn | Opened_file { filename = fn; _ } ->
+        sprintf "%s 2> %s" s (Path.to_string fn)
 
   let pp_purpose ppf = function
     | Internal_job ->
@@ -190,7 +192,8 @@ end
 let get_std_output ~default = function
   | Terminal -> (default, None)
   | File fn ->
-    let fd = Unix.openfile fn [O_WRONLY; O_CREAT; O_TRUNC; O_SHARE_DELETE] 0o666 in
+    let fd = Unix.openfile (Path.to_string fn)
+               [O_WRONLY; O_CREAT; O_TRUNC; O_SHARE_DELETE] 0o666 in
     (fd, Some (Fd fd))
   | Opened_file { desc; tail; _ } ->
     let fd =
@@ -328,7 +331,7 @@ let run ?dir ?stdout_to ?stderr_to ~env ?(purpose=Internal_job) fail_mode
 let run_capture_gen ?dir ~env ?(purpose=Internal_job) fail_mode prog args ~f =
   let fn = Temp.create "jbuild" ".output" in
   map_result fail_mode
-    (run_internal ?dir ~stdout_to:(File (Path.to_string fn))
+    (run_internal ?dir ~stdout_to:(File fn)
        ~env ~purpose fail_mode prog args)
     ~f:(fun () ->
       let x = f fn in

src/process.mli

@@ -17,11 +17,11 @@ type ('a, 'b) failure_mode =
 (** Where to redirect standard output *)
 type std_output_to =
   | Terminal
-  | File        of string
+  | File        of Path.t
   | Opened_file of opened_file
 
 and opened_file =
-  { filename : string
+  { filename : Path.t
   ; desc     : opened_file_desc
   ; tail     : bool
   (** If [true], the descriptor is closed after starting the command *)