nixpkgs/pkgs/os-specific/linux/util-linux/default.nix

{ lib, stdenv, fetchurl, pkgconfig, zlib, fetchpatch, shadow
, ncurses ? null, perl ? null, pam, systemd, minimal ? false }:

let
  version = lib.concatStringsSep "." ([ majorVersion ]
    ++ lib.optional (patchVersion != "") patchVersion);
  majorVersion = "2.29";
  patchVersion = "2";

  fstrimPatch = fetchpatch {
    url = "https://git.kernel.org/pub/scm/utils/util-linux/util-linux.git/patch/?id=155d48f590a50bb5dc265162ff2f9a971daed543";
    sha256 = "1wj0fj3iwaimr6p8wxg6l2i1hjyrfgcwcxziyxqz8acxba7k6zxh";
  };
in stdenv.mkDerivation rec {
  name = "util-linux-${version}";

  src = fetchurl {
    url = "mirror://kernel/linux/utils/util-linux/v${majorVersion}/${name}.tar.xz";
    sha256 = "1qz81w8vzrmy8xn9yx7ls4amkbgwx6vr62pl6kv9g7r0g3ba9kmc";
  };

  patches = [
    ./rtcwake-search-PATH-for-shutdown.patch
    fstrimPatch
  ];

  outputs = [ "bin" "dev" "out" "man" ];

  postPatch = ''
    substituteInPlace include/pathnames.h \
      --replace "/bin/login" "${shadow}/bin/login"
    substituteInPlace sys-utils/eject.c \
      --replace "/bin/umount" "$out/bin/umount"
  '';

  crossAttrs = {
    # Work around use of `AC_RUN_IFELSE'.
    preConfigure = "export scanf_cv_type_modifier=ms";
  };

  preConfigure = lib.optionalString (systemd != null) ''
    configureFlags+=" --with-systemd --with-systemdsystemunitdir=$bin/lib/systemd/system/"
  '';

  # !!! It would be better to obtain the path to the mount helpers
  # (/sbin/mount.*) through an environment variable, but that's
  # somewhat risky because we have to consider that mount can setuid
  # root...
  configureFlags = [
    "--enable-write"
    "--enable-last"
    "--enable-mesg"
    "--disable-use-tty-group"
    "--enable-fs-paths-default=/run/wrappers/bin:/var/run/current-system/sw/bin:/sbin"
    "--disable-makeinstall-setuid" "--disable-makeinstall-chown"
  ]
    ++ lib.optional (ncurses == null) "--without-ncurses";

  makeFlags = "usrbin_execdir=$(bin)/bin usrsbin_execdir=$(bin)/sbin";

  nativeBuildInputs = [ pkgconfig ];
  buildInputs =
    [ zlib pam ]
    ++ lib.filter (p: p != null) [ ncurses systemd perl ];

  postInstall = ''
    rm "$bin/bin/su" # su should be supplied by the su package (shadow)
  '' + lib.optionalString minimal ''
    rm -rf $out/share/{locale,doc,bash-completion}
  '';

  enableParallelBuilding = true;

  meta = with lib; {
    homepage = https://www.kernel.org/pub/linux/utils/util-linux/;
    description = "A set of system utilities for Linux";
    license = licenses.gpl2; # also contains parts under more permissive licenses
    platforms = platforms.linux;
    priority = 6; # lower priority than coreutils ("kill") and shadow ("login" etc.) packages
  };
}