Keep user packages and overlays across updates.

Replace only the OmniNX-shipped package folders and overlays so those stay current without wiping anything the user added.

source/deletion_lists_update.h

@@ -125,10 +125,22 @@ static const char* config_dirs_to_delete[] = {
     NULL
 };
 
-// Switch directories to delete
+// Switch directories to delete.
+// User packages and overlays are kept. OmniNX-shipped package folders are
+// removed so the copy replaces them cleanly. .offload is the old hide tree.
 static const char* switch_dirs_to_delete[] = {
-    "sd:/switch/.packages",
-    "sd:/switch/.overlays",
+    "sd:/switch/.packages/.offload",
+    "sd:/switch/.packages/Alchemist",
+    "sd:/switch/.packages/Cool Curves",
+    "sd:/switch/.packages/HOC Toolkit",
+    "sd:/switch/.packages/Installer Configurator",
+    "sd:/switch/.packages/Memory Config",
+    "sd:/switch/.packages/Memory Kit",
+    "sd:/switch/.packages/Memory Switcher",
+    "sd:/switch/.packages/OmniNX Downloader",
+    "sd:/switch/.packages/Package Manager",
+    "sd:/switch/.packages/RebootNX",
+    "sd:/switch/.overlays/.offload",
     "sd:/switch/90DNS_tester",
     "sd:/switch/aio-switch-updater",
     "sd:/switch/amsPLUS-downloader",
@@ -248,6 +260,19 @@ static const char* switch_files_to_delete[] = {
     "sd:/switch/tinwoo.nro",
     "sd:/switch/tinwoo/tinwoo.nro",
     "sd:/switch/Ultrahand-Reload/Ultrahand-Reload.nro",
+    "sd:/switch/.packages/boot_package.ini",
+    "sd:/switch/.packages/package.ini",
+    "sd:/switch/.overlays/DNS-MITM_Manager.ovl",
+    "sd:/switch/.overlays/FPSLocker.ovl",
+    "sd:/switch/.overlays/MasterVolume.ovl",
+    "sd:/switch/.overlays/QuickNTP.ovl",
+    "sd:/switch/.overlays/ReverseNX-RT-ovl.ovl",
+    "sd:/switch/.overlays/Status-Monitor-Overlay.ovl",
+    "sd:/switch/.overlays/horizon-oc-overlay.ovl",
+    "sd:/switch/.overlays/ovlEdiZon.ovl",
+    "sd:/switch/.overlays/ovlSysmodules.ovl",
+    "sd:/switch/.overlays/ovlmenu.ovl",
+    "sd:/switch/.overlays/sys-patch-overlay.ovl",
     NULL
 };