pkgs/os-specific: stdenv.lib -> lib

pkgs/os-specific/linux/zfs/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, fetchpatch
+{ lib, stdenv, fetchFromGitHub, fetchpatch
 , autoreconfHook269, util-linux, nukeReferences, coreutils
 , perl, buildPackages
 , configFile ? "all"
@@ -16,7 +16,7 @@
 , enablePython ? true
 }:
 
-with stdenv.lib;
+with lib;
 let
   buildKernel = any (n: n == configFile) [ "kernel" "all" ];
   buildUser = any (n: n == configFile) [ "user" "all" ];
@@ -32,7 +32,7 @@ let
         versionAtLeast kernel.version incompatibleKernelVersion then
        throw ''
          Linux v${kernel.version} is not yet supported by zfsonlinux v${version}.
-         ${stdenv.lib.optionalString (!isUnstable) "Try zfsUnstable or set the NixOS option boot.zfs.enableUnstable."}
+         ${lib.optionalString (!isUnstable) "Try zfsUnstable or set the NixOS option boot.zfs.enableUnstable."}
        ''
     else stdenv.mkDerivation {
       name = "zfs-${configFile}-${version}${optionalString buildKernel "-${kernel.version}"}";