anchor.diff:            --replace /sbin/fsck ${utillinux}/sbin/fsck \
             --replace /bin/echo ${coreutils}/bin/echo \
             --replace /bin/cat ${coreutils}/bin/cat \
  -          --replace /sbin/sulogin ${sysvtools}/sbin/sulogin
  +          --replace /sbin/sulogin ${sysvtools}/sbin/sulogin \
  +          --replace /sbin/kexec ${kexectools}/sbin/kexec
         done
   
         substituteInPlace src/journal/catalog.c \
  
positive.code:     ''
        # FIXME: patch this in systemd properly (and send upstream).
        # FIXME: use sulogin from util-linux once updated.
        for i in src/remount-fs/remount-fs.c src/core/mount.c src/core/swap.c src/fsck/fsck.c units/emergency.service.in units/rescue.service.m4.in src/journal/cat.c; do
          test -e $i
          substituteInPlace $i \
            --replace /bin/mount ${utillinux}/bin/mount \
  
negative.code: { stdenv, fetchurl, pkgconfig, intltool, gperf, libcap, dbus, kmod
  , xz, pam, acl, cryptsetup, libuuid, m4, utillinux
  , glib, kbd, libxslt, coreutils, libgcrypt, sysvtools, docbook_xsl
  , kexectools
  }:
  
  assert stdenv.isLinux;
  