Comment # 18 on bug 1029961 from Ludwig Nussel

(In reply to Stanislav Brabec from comment #17)
> Ludwig Nussel, comment 16:
> 
> 3) - do not package compat symlinks. Run something post install of
>      each package that installs such links if /bin is a directory and
>      the package /bin/$something in it's provides tags.
>    - Make the initrd move away /bin and install the /bin -> /usr/bin
>      symlink (same for sbin and lib).
> 
> If would work only if /bin will not be a symlink.

It's a transition plan, so yes, it's meant to work with /bin being
a directory :-) Once initrd has converted the directory to a
symlink, the compat code to generate symlinks in /bin mustn't run
anymore.