halfway there. now i just need to build the package lists.

lib/03-release_me.func.sh

@@ -0,0 +1,50 @@
+function release_me () {
+  ## check for mountpoints from a manual chroot and umount them if they're still mounted.
+  ## NOTE: you can use findmnt(8) to view a tree of mountpoints, including bindmounts etc.
+  # Is there an active chroot?
+  set +e
+  if [[ "${1}" == "64" ]];
+  then
+   local CHROOTDIR="${CHROOTDIR}root.x86_64"
+   local BUILDDIR="${BUILDDIR}64"
+  elif [[ "${1}" == "32" ]];
+  then
+   local CHROOTDIR="${CHROOTDIR}root.i686"
+   local BUILDDIR="${BUILDDIR}32"
+  else
+   echo "WHOOPS. We hit an error that makes no logical sense."
+   echo 'Dying.'
+   exit 1
+  fi
+
+  echo "Checking for and cleaning up mountpoints from the chroot environment..."
+  for i in tmp run dev/shm dev/pts dev
+  do
+      umount -l ${CHROOTDIR}/${i}
+  done
+  # and is it using efivars?
+  if [ -d ${CHROOTDIR}/sys/firmware/efi/efivars ];
+  then
+    umount -l ${CHROOTDIR}/sys/firmware/efi/efivars
+  fi
+  # and finish cleaning up normal chroots
+  for i in sys proc
+  do
+      umount -l ${CHROOTDIR}/${i}
+  done 
+  # and is it mounted via two mountpoints a la arch-chroot?
+  mount | awk '{print $3}' | grep -q ${MOUNTPT}
+  if [[ ${?} == "0" ]];
+  then
+    umount ${MOUNTPT}
+  fi
+  if [ -d ${SRCDIR}/efiboot ];
+  then
+    umount -l ${SRCDIR}/efiboot
+  fi
+  rm -rf ${SRCDIR}/efiboot
+  #rm -rf ${TEMPDIR}/*
+  set -e # and go back to failing on non-0 exit status.
+  CHROOTDIR="${CHROOTDIR_GLOB}"
+  BUILDDIR="${BUILDDIR_GLOB}"
+}