./sec-policy/selinux-base-policy/files/patchbundle-selinux-base-policy-2.20101213-r16.tar.bz2 ./sec-policy/selinux-base-policy/files/patchbundle-selinux-base-policy-2.20101213-r12.tar.bz2 ./sec-policy/selinux-base-policy/files/patchbundle-selinux-base-policy-2.20101213-r11.tar.bz2 Binary files like bz2s should be distributed via distfiles. CVS (and in the future, git) don't handle binary files well.
The patchbundles have been moved out of ${FILESDIR} and are currently located at http://dev.gentoo.org/~blueness/patchbundle-selinux-base-policy/