This file is indexed.

/usr/share/nemo/actions/set-as-background.nemo_action is in nemo-data 2.8.6-2.

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
11
12
13
[Nemo Action]

Name=Set as Wallpaper...

Comment=Set the selected image as your Cinnamon desktop wallpaper

Exec=gsettings set org.cinnamon.desktop.background picture-uri "%U"

Selection=s

Mimetypes=image/*;

Conditions=dbus org.Cinnamon;