hms: make `defaultManualPath` into callPackage arg

flake.nix

@@ -39,6 +39,9 @@
           pkgs.callPackage ./searchers/home-manager-search.nix {
             inherit home-manager;
             inherit (self.packages.${system}) json2nix;
+            defaultManualPath =
+              let pkg = self.packages.${system}.home-manager-json;
+              in "${pkg}/share/doc/home-manager/options.json";
           };
         nix-option-search = pkgs.callPackage ./searchers/nix-option-search.nix {
           inherit nixpkgs;

searchers/home-manager-search.nix

@@ -1,4 +1,4 @@
-{ pkgs, lib, home-manager, system, json2nix, ... }:
+{ pkgs, lib, home-manager, defaultManualPath, system, json2nix, ... }:
 let
   usage = pkgs.writeText "home-manager-search-usage" ''
     Usage:
@@ -106,10 +106,6 @@ let
       echo $JSON_DATA | ${gomplate} --datasource opt=stdin:?type=application/json --file ${template}
     '';
 
-  defaultManualPath = "${
-      home-manager.packages.${system}.docs-json
-    }/share/doc/home-manager/options.json";
-
 in pkgs.writers.writeBash "search-home-manager-attrs" ''
   JSON_MANUAL_PATH="${defaultManualPath}"