post_install() {echo''echo'==> To enable Persian Calendar extension:'echo'==> Reload Gnome Shell with Alt-F2 r (on Xorg), logout -> login (wayland)'echo'==> Enable it with the extensions tool'echo'==> or run "gnome-extensions enable PersianCalendar@oxygenws.com"'echo''}
post_upgrade() {
post_install
}