POSTIN

/bin/sh

 if [ -x /usr/bin/gtk-update-icon-cache ]; then 
/usr/bin/gtk-update-icon-cache --force --quiet /usr/share/icons/Adwaita || true; fi

POSTUN

/bin/sh

 if [ -x /usr/bin/gtk-update-icon-cache -a -r /usr/share/icons/Adwaita/index.theme ]; then 
/usr/bin/gtk-update-icon-cache --force --quiet /usr/share/icons/Adwaita || true ; fi