post_install() {
  post_remove
  echo "The aasjournal.bst file was installed in:"
  kpsewhich aasjournal.bst
  echo "The aastex631.cls file was installed in:"
  kpsewhich aastex631.cls
}

post_upgrade() {
  post_install
}

post_remove() {
  echo "Upgrading package database..."
  mktexlsr
}