#!/bin/sh

set -eu



if [ "$1" = configure ]; then
  update-alternatives \
    --install /bin/mt mt /bin/mt-st 20 \
    --slave \
    /usr/share/man/man1/mt.1.gz mt.1.gz /usr/share/man/man1/mt-st.1.gz

  # Potentially upgrading from an older version. Check to see if we
  # need to remove the (now obsolete) init script rc?.d symlinks, and
  # potentially parent directory of the other obsolete conffile
  # (needed due to bug in interaction between dpkg and
  # dpkg-maintscript-helper, see #815969).
  if  dpkg --compare-versions "$2" lt-nl "1.3-1"; then
    update-rc.d mt-st remove
    rmdir --ignore-fail-on-non-empty /etc/modprobe.d/
  fi

fi