patch_manager: Do not apply LayeredFS mods when dumping

We should not apply any mods when dumping a game's RomFS.

src/core/file_sys/patch_manager.cpp

@@ -407,7 +407,7 @@ static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType t
 }
 
 VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset, ContentRecordType type,
-                                     VirtualFile update_raw) const {
+                                     VirtualFile update_raw, bool apply_layeredfs) const {
     const auto log_string = fmt::format("Patching RomFS for title_id={:016X}, type={:02X}",
                                         title_id, static_cast<u8>(type));
 
@@ -447,7 +447,9 @@ VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset, Content
     }
 
     // LayeredFS
-    ApplyLayeredFS(romfs, title_id, type, fs_controller);
+    if (apply_layeredfs) {
+        ApplyLayeredFS(romfs, title_id, type, fs_controller);
+    }
 
     return romfs;
 }

src/core/file_sys/patch_manager.h

@@ -64,7 +64,8 @@ public:
     // - LayeredFS
     [[nodiscard]] VirtualFile PatchRomFS(VirtualFile base, u64 ivfc_offset,
                                          ContentRecordType type = ContentRecordType::Program,
-                                         VirtualFile update_raw = nullptr) const;
+                                         VirtualFile update_raw = nullptr,
+                                         bool apply_layeredfs = true) const;
 
     // Returns a vector of pairs between patch names and patch versions.
     // i.e. Update 3.2.2 will return {"Update", "3.2.2"}

src/yuzu/main.cpp

@@ -1922,7 +1922,8 @@ void GMainWindow::OnGameListDumpRomFS(u64 program_id, const std::string& game_pa
     if (*romfs_title_id == program_id) {
         const u64 ivfc_offset = loader->ReadRomFSIVFCOffset();
         const FileSys::PatchManager pm{program_id, system.GetFileSystemController(), installed};
-        romfs = pm.PatchRomFS(file, ivfc_offset, FileSys::ContentRecordType::Program);
+        romfs =
+            pm.PatchRomFS(file, ivfc_offset, FileSys::ContentRecordType::Program, nullptr, false);
     } else {
         romfs = installed.GetEntry(*romfs_title_id, FileSys::ContentRecordType::Data)->GetRomFS();
     }