libblockdev: add updateScript

pkgs/by-name/li/libblockdev/package.nix

@@ -28,6 +28,7 @@
 , e2fsprogs
 , libnvme
 , keyutils
+, nix-update-script
 }:
 stdenv.mkDerivation (finalAttrs: {
   pname = "libblockdev";
@@ -89,6 +90,8 @@ stdenv.mkDerivation (finalAttrs: {
       ${lib.makeBinPath [ thin-provisioning-tools ]}
   '';
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     changelog = "https://github.com/storaged-project/libblockdev/raw/${finalAttrs.src.rev}/NEWS.rst";
     description = "Library for manipulating block devices";