dispatch-conf 
dispatch-conf: Error copying /etc/portage/package.unmask/unmask to /etc/config-archive/etc/portage/package.unmask/unmask: [Errno 20] Not a directory: '/etc/config-archive/etc/portage/package.unmask/unmask'; fatal
dispatch-conf: Error copying /etc/portage/package.unmask/._cfg0000_unmask to /etc/config-archive/etc/portage/package.unmask/unmask.dist.new: [Errno 20] Not a directory: '/etc/config-archive/etc/portage/package.unmask/unmask.dist.new'; fatal
dispatch-conf: Error copying /etc/portage/package.use/use to /etc/config-archive/etc/portage/package.use/use: [Errno 20] Not a directory: '/etc/config-archive/etc/portage/package.use/use'; fatal
dispatch-conf: Error copying /etc/portage/package.use/._cfg0000_use to /etc/config-archive/etc/portage/package.use/use.dist.new: [Errno 20] Not a directory: '/etc/config-archive/etc/portage/package.use/use.dist.new'; fatal

--- /etc/portage/package.unmask/unmask  2014-06-05 16:06:54.431408233 +0200
+++ /etc/portage/package.unmask/._cfg0000_unmask        2014-06-08 01:03:46.658605030 +0200
@@ -1016,3 +1016,25 @@
 =net-libs/libtirpc-0.2.4-r2
 
 =gnome-base/gnome-desktop-3.12.2
+# required by app-emulation/emul-linux-x86-medialibs-20140508-r3[abi_x86_32]
+# required by app-emulation/emul-linux-x86-soundlibs-20140508
+# required by app-emulation/wine-1.7.19-r1[abi_x86_32,mp3,-gsm,pulseaudio]
+# required by app-emulation/winetricks-20140302
+# required by @selected
+# required by @world (argument)
+# /usr/portage/profiles/package.mask:
+# Michał Górny <mgorny@gentoo.org> (29 May 2014)
+# New multilib conversions. Unmask along with corresponding
+# emul-linux-x86 packages, and make sure they're committed first :).
+=media-libs/libofa-0.9.3-r1
+# required by app-emulation/emul-linux-x86-medialibs-20140508-r3[abi_x86_32]
+# required by app-emulation/emul-linux-x86-soundlibs-20140508
+# required by app-emulation/wine-1.7.19-r1[abi_x86_32,mp3,-gsm,pulseaudio]
+# required by app-emulation/winetricks-20140302
+# required by @selected
+# required by @world (argument)
+# /usr/portage/profiles/package.mask:
+# Michał Górny <mgorny@gentoo.org> (29 May 2014)
+# New multilib conversions. Unmask along with corresponding
+# emul-linux-x86 packages, and make sure they're committed first :).
+=media-libs/taglib-1.9.1-r1

>> (1 of 2) -- /etc/portage/package.unmask/unmask
>> q quit, h help, n next, e edit-new, z zap-new, u use-new
   m merge, t toggle-merge, l look-merge:  
Traceback (most recent call last):
  File "/usr/sbin/dispatch-conf", line 492, in <module>
    portage.settings.get('CONFIG_PROTECT', '')))
  File "/usr/sbin/dispatch-conf", line 338, in grind
    self.post_process(conf['current'])
  File "/usr/sbin/dispatch-conf", line 371, in post_process
    portage.dispatch_conf.file_archive_post_process(archive)
  File "/usr/lib64/portage/pym/portage/dispatch_conf.py", line 210, in file_archive_post_process
    os.rename(archive + '.dist.new', archive + '.dist')
NotADirectoryError: [Errno 20] Not a directory: '/etc/config-archive/etc/portage/package.unmask/unmask.dist'