Settings: Add EmuFolders::IsRunningInPortableMode()

src/core/settings.cpp

@@ -2335,3 +2335,8 @@ std::string EmuFolders::GetOverridableResourcePath(std::string_view name)
 
   return upath;
 }
+
+bool EmuFolders::IsRunningInPortableMode()
+{
+  return (AppRoot == DataRoot);
+}

src/core/settings.h

@@ -593,4 +593,7 @@ void Update();
 
 /// Returns the path to a resource file, allowing the user to override it.
 std::string GetOverridableResourcePath(std::string_view name);
+
+/// Returns true if the application is running in portable mode.
+bool IsRunningInPortableMode();
 } // namespace EmuFolders