Kde: load patches automatically

roles/kde/default.nix

@@ -3,5 +3,6 @@
     ./plasma.nix
     ./sddm.nix
     ./programs
+    ./patches
   ];
 }

roles/kde/patches/default.nix

@@ -0,0 +1,30 @@
+{lib, ...}: let
+  rootDirs = builtins.readDir ./.;
+  removeFiles = lib.attrsets.filterAttrs (n: v: v == "directory") rootDirs;
+
+  getPatches = name:
+    builtins.map (value: ./${name}/${value}) (builtins.attrNames (
+      lib.attrsets.filterAttrs (
+        n: v:
+          v == "regular" && lib.strings.hasSuffix ".patch" n
+      ) (builtins.readDir ./${name})
+    ));
+
+  bigOverlay = final: prev:
+    builtins.mapAttrs (
+      name: _value:
+        prev."${name}".overrideAttrs {
+          version = prev."${name}".version + "-patched";
+          patches = prev."${name}".patches ++ getPatches name;
+        }
+    )
+    removeFiles;
+in {
+  nixpkgs.overlays = [
+    (
+      final: prev: {
+        kdePackages = prev.kdePackages.overrideScope bigOverlay;
+      }
+    )
+  ];
+}

roles/kde/programs/konsole.nix

@@ -16,17 +16,4 @@ in {
       };
     };
   };
-  nixpkgs.overlays = [
-    (
-      final: prev: {
-        kdePackages = prev.kdePackages.overrideScope (
-          kFinal: kPrev: {
-            konsole = kPrev.konsole.overrideAttrs {
-              patches = [];
-            };
-          }
-        );
-      }
-    )
-  ];
 }