# arg 1:  the new package version
post_install() {
  echo "Updating TeX tree..."
  mktexlsr
}

# arg 1:  the new package version
# arg 2:  the old package version
post_upgrade() {
  post_install $1
}

# arg 1:  the old package version
post_remove() {
  post_install $1
}

op=$1
shift
$op $*