Public bug reported:
I wrote a script which uses `gsettings` to change the desktop background
in Gnome Shell/Unity. The command that my script executes looks like
this:
gsettings set org.gnome.desktop.background picture-uri
file:///path/to/background.jpg
Manually running this command immediately updates the desktop
background. I use cron to schedule execution of my script. My crontab
rule looks like this:
0,30 * * * * DISPLAY=:0.0 nextwall
/home/serrano/Pictures/backgrounds/
Cron successfully runs the script every 30 minutes and the new wallpaper
URI is successfully set in `gsettings`. I test this by running:
gsettings get org.gnome.desktop.background picture-uri
However, the desktop background is not updated when cron runs the script
(this used to work until about a month ago). Interestingly, when I right
click on my desktop and select "Change Desktop Background", the desktop
background is suddenly updated to the correct image.
So for some reason changing the desktop background from cron no longer
triggers nautilus to update the desktop background.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: nautilus 1:3.4.2-0ubuntu4
ProcVersionSignature: Ubuntu 3.2.0-29.46-generic-pae 3.2.24
Uname: Linux 3.2.0-29-generic-pae i686
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu12
Architecture: i386
Date: Sat Aug 4 13:09:50 2012
GsettingsChanges:
org.gnome.nautilus.window-state geometry '887x481+231+101'
org.gnome.nautilus.window-state maximized true
org.gnome.nautilus.window-state sidebar-width 158
org.gnome.nautilus.window-state start-with-status-bar true
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
SourcePackage: nautilus
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: nautilus (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 precise
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https://bugs.launchpad.net/bugs/1033034
Title:
Setting the desktop background from cron no longer updates the desktop
background
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