Disable unwanted backgrounds in gnome-background-properties

debian/kali-themes.postinst

@@ -103,6 +103,23 @@ if [ "$1" = "configure" ]; then
 	# Install remaining new files
 	install_all
     fi
+    # Disable some backgrounds in gnome desktop
+    mkdir -p /usr/share/gnome-background-properties/disabled/
+    while read file; do
+        dpkg-divert --rename --package kali-themes \
+                             --divert "$(dirname $file)/disabled/$(basename $file)" \
+                             --add "$file"
+    done << EOF
+/usr/share/gnome-background-properties/debian-futureprototype.xml
+/usr/share/gnome-background-properties/debian-homeworld.xml
+/usr/share/gnome-background-properties/debian-joy-inksplat.xml
+/usr/share/gnome-background-properties/debian-joy.xml
+/usr/share/gnome-background-properties/debian-lines.xml
+/usr/share/gnome-background-properties/debian-moonlight.xml
+/usr/share/gnome-background-properties/debian-softwaves.xml
+/usr/share/gnome-background-properties/debian-spacefun.xml
+/usr/share/gnome-background-properties/gnome-backgrounds.xml
+EOF
     # Configure /root/.face to have a red-background avatar
     if [ ! -e /root/.face ]; then
         cp /usr/share/kali-themes/.face-root.svg /root/.face

debian/kali-themes.postrm

@@ -38,6 +38,13 @@ case "$1" in
 	            --divert "$file.original" \
 		    --remove "$file"
 	done
+	# Recover disabled gnome backgrounds
+	for file in /usr/share/gnome-background-properties/disabled/*; do
+	    dpkg-divert --rename --package kali-themes \
+	                --divert "$file" \
+	                --remove "$(echo $file | sed 's|/disabled||')"
+	done
+	rmdir /usr/share/gnome-background-properties/disabled/
     ;;
 esac