Disclaimer: this bug has been filed in a semi-automated manner.
When emerging the package media-gfx/grub-splashes-20091109, the following elog messages are displayed:
* Please note that this ebuild makes the assumption that you're
* using /boot/grub/ for your grub configuration.
* To use your new grub splashes edit your /boot/grub/grub.conf
* You can see available splash screens by running
Such messages should only be displayed when the package is a new install.
These situations can be checked in the ebuild as follows:
if ! has_version 'media-gfx/grub-splashes'; then
See the tracker bug 440214 for more details.