_pack=general
_prefix=/usr/share/octave/packages
_libdir=/usr/lib/octave/packages

## arg 1:  the new package version
post_install() {
  octave -q -f --eval "pkg prefix $prefix $libdir; pkg install -verbose -global /usr/share/octave/$_pack.tar.gz"
}

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

## arg 1:  the old package version
post_remove() {
  octave -q -f --eval "pkg prefix $prefix $libdir; pkg uninstall $_pack; pkg rebuild -global"
}