* Execute these steps to build:
<pre>
$ rm -rf /var/cache/mock/epel-6-x86_64/ccache
$ mock --rebuild -r puppetagain-centos6-64 mozilla-python27-2.7.3-0.el6.src.rpm
$ rm -rf /var/cache/mock/epel-6-x86_64/ccache
</pre>
The script will tell you where the results are available.