Allow users to set path styles

marker.nix

@@ -100,6 +100,10 @@ in
         arrival = {
           location = "Prague";
         };
+
+        pathStyle = {
+          weight = 10;
+        };
       };
 
       ganondorf.departure =  {

path.nix

@@ -5,11 +5,35 @@ let
       locations = lib.mkOption {
         type = lib.types.listOf lib.types.str;
       };
+
+      style = lib.mkOption {
+        type = pathStyleType;
+        default = {};
+      };
+    };
+  };
+
+  pathStyleType = lib.types.submodule {
+    options = {
+      weight = lib.mkOption {
+        type = lib.types.ints.between 1 20;
+        default = 5;
+      };
     };
   };
 in
 {
   options = {
+    users = lib.mkOption {
+      type = lib.types.attrsOf (
+        lib.types.submodule {
+          options.pathStyle = lib.mkOption {
+            type = pathStyleType;
+            default = {};
+          };
+        });
+    };
+
     map.paths = lib.mkOption {
       type = lib.types.listOf pathType;
     };
@@ -22,6 +46,8 @@ in
           user.departure.location
           user.arrival.location
         ];
+
+        style = user.pathStyle;
       }) (lib.filter (
         user:
           user.departure.location != null
@@ -35,7 +61,11 @@ in
         paramForPath =
           path:
             let
-              attributes = builtins.map attrForLocation path.locations;
+              attributes =
+                [
+                  "weight:${toString path.style.weight}"
+                ]
+                ++ builtins.map attrForLocation path.locations;
             in
               ''path="${lib.concatStringsSep "|" attributes}"'';
       in