portage preffer to use live ebuild than masked one so package.umask.gnome3 need to have some package in it . you can take a look at http://ftp.gnome.org/pub/GNOME/teams/releng/3.6.0/versions the packages i found was 1.at-spi2-core-2.6.0 2.gobject-introspection:1.34.0 3.glib:2.34.0 4.gjs:1.34.0 5.gtk+:3.6.0 6.dconf:0.13.90 and maybe more Reproducible: Always
# Alexandre Rostovtsev <tetromino@gentoo.org> (25 Sep 2012) # GNOME 3.6 mask # Core libraries to be unmasked first: =app-accessibility/at-spi2-atk-2.6*:2 =app-accessibility/at-spi2-core-2.6*:2 =dev-libs/atk-2.6* =dev-libs/gjs-1.34* =dev-libs/glib-2.34*:2 =dev-libs/gobject-introspection-1.34* =dev-libs/gobject-introspection-common-1.34* =dev-python/pyatspi-2.6* =dev-python/pygobject-3.4*:3 =dev-util/gdbus-codegen-2.34* =gnome-base/dconf-0.14* =gnome-base/gvfs-1.14* =net-libs/glib-networking-2.34* =x11-libs/gtk+-3.6*:3 =x11-themes/gnome-themes-standard-3.6* should be added to package.umask
You are right - but all these changes were already added 7 days ago... http://git.overlays.gentoo.org/gitweb/?p=proj/gnome.git;a=history;f=status/portage-configs/package.unmask.gnome3