# arg 1:  the new package version
post_install() {
}

# arg 1:  the new package version
# arg 2:  the old package version
post_upgrade() {
  ln -s /home/mythtv/appletrailer.xml /usr/share/mythtv/appletrailer.xml
}

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

op=$1
shift
$op $*