Remove primed Lib_db.find_scope (#505)

Two versions aren't really necessary as mostly the primed version was used.

src/gen_rules.ml

@@ -959,7 +959,7 @@ module Gen(P : Params) = struct
         in
         let meta_contents =
           version >>^ fun version ->
-          let scope = Lib_db.find_scope (SC.libs sctx) ~dir:path in
+          let scope = (Lib_db.find_scope (SC.libs sctx) ~dir:path).data in
           Gen_meta.gen ~package:pkg.name
             ~scope
             ~version
@@ -1049,7 +1049,7 @@ module Gen(P : Params) = struct
           else
             pps
         in
-        let scope = Lib_db.find_scope' (SC.libs sctx) ~dir in
+        let scope = Lib_db.find_scope (SC.libs sctx) ~dir in
         let ppx_exe = SC.PP.get_ppx_driver sctx ~scope pps in
         [ppx_exe]
     in

src/lib_db.ml

@@ -163,7 +163,7 @@ module Scope = struct
     ; scope = internal_name_scope t ~dir
     }
 
-  let find_scope' t ~dir =
+  let find_scope t ~dir =
     let scope = find_scope t ~dir in
     required_in_jbuild scope ~jbuild_dir:dir
 
@@ -190,7 +190,7 @@ module Scope = struct
         let acc = f lib acc in
         match lib with
         | Internal (dir, lib) ->
-          let scope = find_scope' scope.With_required_by.data.lib_db ~dir in
+          let scope = find_scope scope.With_required_by.data.lib_db ~dir in
           List.fold_left lib.buildable.libraries ~init:acc ~f:(loop scope)
         | External pkg ->
           if deep_traverse_externals then
@@ -215,7 +215,7 @@ module Scope = struct
         let rt_deps =
           match lib with
           | Internal (dir, lib) ->
-            let scope = lazy (find_scope' scope.data.lib_db ~dir) in
+            let scope = lazy (find_scope scope.data.lib_db ~dir) in
             List.map lib.ppx_runtime_libraries ~f:(fun name ->
               Lib.best_name (find_exn (Lazy.force scope) name))
           | External pkg ->
@@ -225,7 +225,6 @@ module Scope = struct
 end
 
 let find_scope = Scope.find_scope
-let find_scope' = Scope.find_scope'
 
 let local_public_libs t = t.local_public_libs
 
@@ -234,7 +233,7 @@ module Local_closure = Top_closure.Make(String)(struct
     type t = Lib.Internal.t
     let key ((_, lib) : t) = lib.name
     let deps ((dir, lib) : Lib.Internal.t) graph =
-      let scope = find_scope' graph ~dir in
+      let scope = find_scope graph ~dir in
       List.concat_map lib.buildable.libraries ~f:(fun dep ->
         List.filter_map (Lib_dep.to_lib_names dep) ~f:(Scope.find_internal scope)) @
       List.filter_map lib.ppx_runtime_libraries ~f:(fun dep ->
@@ -252,7 +251,7 @@ let top_sort_internals t ~internal_libraries =
 let compute_instalable_internal_libs t ~internal_libraries =
   List.fold_left (top_sort_internals t ~internal_libraries) ~init:t
     ~f:(fun t (dir, lib) ->
-      let scope = find_scope' t ~dir in
+      let scope = find_scope t ~dir in
       if not lib.Library.optional ||
          (List.for_all (Library.all_lib_deps lib) ~f:(Scope.dep_is_available scope) &&
           List.for_all lib.ppx_runtime_libraries  ~f:(Scope.lib_is_available scope))

src/lib_db.mli

@@ -74,8 +74,7 @@ val local_public_libs : t -> Path.t String_map.t
 (** Unique name, even for internal libraries *)
 val unique_library_name : t -> Lib.t -> string
 
-val find_scope : t -> dir:Path.t -> Scope.t
-val find_scope' : t -> dir:Path.t -> Scope.t With_required_by.t
+val find_scope : t -> dir:Path.t -> Scope.t With_required_by.t
 
 (** Includes the private libraries not belonging to any named scope. Corresopnds
     to the context's build root path.*)

src/super_context.ml

@@ -94,7 +94,7 @@ let create
           src_dir = dir
         ; ctx_dir
         ; stanzas
-        ; scope = Lib_db.find_scope' libs ~dir:ctx_dir
+        ; scope = Lib_db.find_scope libs ~dir:ctx_dir
         })
   in
   let stanzas_to_consider_for_install =
@@ -120,7 +120,7 @@ let create
       (struct
         open Sexp.Of_sexp
         let t dir sexp =
-          let scope = Lib_db.find_scope' libs ~dir in
+          let scope = Lib_db.find_scope libs ~dir in
           List.map (list string sexp) ~f:(Lib_db.Scope.find_exn scope)
       end)
   in