# We patch in support for squashfs labels because
# https://github.com/NixOS/nixpkgs/pull/236656 requires filesystems to have labels and
# https://github.com/plougher/squashfs-tools/issues/59 squashfs doesn't support labels
final: prev:
let
  idempontenlyAddPatch =
    pkg: patch:
    if builtins.elem patch (pkg.drvAttrs.patches or [ ]) then
      pkg
    else
      pkg.overrideAttrs (old: {
        patches = (old.patches or [ ]) ++ [ patch ];
      });
in
{
  squashfsTools = idempontenlyAddPatch prev.squashfsTools ./squashfs-tools-label.patch;
  util-linux = idempontenlyAddPatch prev.util-linux ./util-linux-squashfs-label.patch;
}