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

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{ stdenv, fetchurl, ncurses ? null }:
stdenv.mkDerivation rec {
name = "util-linux-ng-2.18";
src = fetchurl {
url = "mirror://kernel/linux/utils/util-linux-ng/v2.18/${name}.tar.bz2";
sha256 = "1k1in1ba9kvh0kplri9765wh0yk68qrkk1a55dqsm21qfryc1idq";
};
configureFlags = ''
--disable-use-tty-group
--enable-write
${if ncurses == null then "--without-ncurses" else ""}
'';
buildInputs = stdenv.lib.optional (ncurses != null) ncurses;
# !!! 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...
preConfigure = ''
substituteInPlace mount/mount.c --replace /sbin/mount. /var/run/current-system/sw/sbin/mount.
substituteInPlace mount/umount.c --replace /sbin/umount. /var/run/current-system/sw/sbin/umount.
'';
}