/usr/share/applications/screensavers/xspirograph.desktop is in xscreensaver-data-extra 5.30-1+deb8u2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 | [Desktop Entry]
Name=XSpirograph
Exec=/usr/lib/xscreensaver/xspirograph -root
TryExec=/usr/lib/xscreensaver/xspirograph
Comment=Simulates that pen-in-nested-plastic-gears toy from your childhood. http://en.wikipedia.org/wiki/Spirograph Written by Rohit Singh.
StartupNotify=false
Terminal=false
Type=Application
Categories=Screensaver;
OnlyShowIn=GNOME;
|