gnome2_pkg_postinst should be executed to update icon cache, for instance.
+ 27 Jan 2010; Gilles Dartiguelongue <eva@gentoo.org> + -file-roller-2.24.3.ebuild, -file-roller-2.28.1.ebuild, + file-roller-2.28.2.ebuild: + Add gnome2_pkg_postinst, bug #302385. Added, thanks for reporting.