grub-lakitu/grub-core/commands/search_uuid.c

#define DO_SEARCH_FS_UUID 1
#define FUNC_NAME grub_search_fs_uuid
#define COMMAND_NAME "search.fs_uuid"
#define HELP_MESSAGE N_("Search devices by UUID. If VARIABLE is specified, the first device found is set to a variable.")
#include "search.c"