refactor: pass workspace root to restore_cwd_and_execve

Signed-off-by: Stephen Sherratt <stephen@sherra.tt>

bin/coq/coqtop.ml

@@ -153,7 +153,7 @@ let term =
     in
     Fiber.return (coqtop, argv, env)
   in
-  restore_cwd_and_execve common coqtop argv env
+  restore_cwd_and_execve (Common.root common) coqtop argv env
 ;;
 
 let command = Cmd.v info term

bin/exec.ml

@@ -79,7 +79,9 @@ module Command_to_exec = struct
      environment, returning the new process' pid *)
   let spawn_process (common : Common.t) path ~args ~env =
     let pid =
-      let prog = string_path_relative_to_specified_root common (Path.to_string path) in
+      let prog =
+        string_path_relative_to_specified_root (Common.root common) (Path.to_string path)
+      in
       let env = Env.to_unix env |> Spawn.Env.of_list in
       let argv = prog :: args in
       let cwd = Spawn.Working_dir.Path Fpath.initial_cwd in
@@ -298,7 +300,7 @@ module Exec_context = struct
     in
     let prog = Path.to_string path in
     let argv = prog :: args in
-    restore_cwd_and_execve common prog argv env
+    restore_cwd_and_execve (Common.root common) prog argv env
   ;;
 
   let run_eager_watch t common config =

bin/import.ml

@@ -237,16 +237,12 @@ module Scheduler = struct
   ;;
 end
 
-let string_path_relative_to_specified_root (common : Common.t) path =
-  if Filename.is_relative path
-  then (
-    let root = Common.root common in
-    Filename.concat root.dir path)
-  else path
+let string_path_relative_to_specified_root (root : Workspace_root.t) path =
+  if Filename.is_relative path then Filename.concat root.dir path else path
 ;;
 
-let restore_cwd_and_execve common prog argv env =
-  let prog = string_path_relative_to_specified_root common prog in
+let restore_cwd_and_execve root prog argv env =
+  let prog = string_path_relative_to_specified_root root prog in
   Proc.restore_cwd_and_execve prog argv ~env
 ;;
 

bin/ocaml/utop.ml

@@ -56,7 +56,7 @@ let term =
          ~f:(fun dir env -> Env_path.cons ~var:Ocaml.Env.caml_ld_library_path env ~dir)
          ~init:env
   in
-  restore_cwd_and_execve common utop_path (utop_path :: args) env
+  restore_cwd_and_execve (Common.root common) utop_path (utop_path :: args) env
 ;;
 
 let command = Cmd.v info term

bin/tools/ocamllsp.ml

@@ -51,7 +51,7 @@ let term =
       let open Fiber.O in
       let* () = Lock_dev_tool.lock_ocamllsp () |> Memo.run in
       let+ () = build_ocamllsp common in
-      run_ocamllsp common ~args)
+      run_ocamllsp (Common.root common) ~args)
 ;;
 
 let info =