post_install() {
  # directory exists, but it isn't a symlink ... and that's not good
  [ -d /usr/share/icewm/icons ] && [ ! -L /usr/share/icewm/icons ] && mv -f /usr/share/icewm/icons /usr/share/icewm/icons.icewm-upgrade-backup

  # create symlink to pixmaps
  [ ! -L /usr/share/icewm/icons ] && ln -s /usr/share/pixmaps /usr/share/icewm/icons
}

post_upgrade() {
  post_install $1
}

post_remove() {
  [ -L /usr/share/icewm/icons ] && rm -f /usr/share/icewm/icons
}

op=$1
shift
$op $*