1. run gnome-shell-build-setup.sh (see http://live.gnome.org/GnomeShell/#Building)
2. replace ~/.jhbuildrc-custom with http://ueno.fedorapeople.org/gnome-shell/jhbuildrc-custom
3. jhbuild build
4. install IBus immodule

 cd ~/gnome-shell-ibus/install
 ./bin/gtk-query-immodules-3.0 > lib64/gtk-3.0/3.0.0/immodules.cache

5. run gnome-shell

 disable IBus running on the system, and start it manually:

 cd ~/gnome-shell-ibus/install/bin
 ./ibus-daemon -r --xim &
 PYTHONPATH=../lib/python2.6/site-packages ./ibus-setup
 click on the "Input Method" tab, "Select an input method", "Other",
 "Rawcode", "Add", then "Close"

 then run gnome-shell:

 GTK_IM_MODULE=ibus ./gnome-shell --replace

6. Alt+F2 and type some letters.  You won't have no letters in the entry.

7. rebuild gnome-shell with the patch

 cd ~/gnome-shell-ibus/source/gnome-shell
 patch -p1 < 0001-Make-keyboard-usable-again-with-IBus.patch
 jhbuild buildone -n gnome-shell

8. run gnome-shell as 5

9. Alt+F2 and type some letters.  Now you will have the letters
   properly shown in the entry.

10. Type Ctrl+Space and "0041", you will see "A" (= U+0041) is
   inserted with ibus-rawcode.