libguestfs-with-appliance: warn in case of version mismatch

{ libguestfs, libguestfs-appliance }:

{

  lib,

  libguestfs,

  libguestfs-appliance,

}:

libguestfs.override { appliance = libguestfs-appliance; }

# https://github.com/NixOS/nixpkgs/issues/280881

lib.warnIf (builtins.compareVersions libguestfs.version libguestfs-appliance.version > 0)

  "libguestfs has a higher version than libguestfs-appliance (${libguestfs.version} > ${libguestfs-appliance.version}), runtime errors may occur!"

  libguestfs.override

  { appliance = libguestfs-appliance; }