$ git show HEAD
commit 5d996babd607b35ffa77d151ea94acc9c15edd77
Author: Melissa Stone <melissa@puppetlabs.com>
Date:   Mon Jan 6 14:17:38 2014 -0800

    (packaging) Update PUPPETVERSION to 3.4.2
...

puppy@geras:~/puppet-3.4.2$ bundle show puppet
/home/puppy/puppet-3.4.2

puppy@geras:~/puppet-3.4.2$ bundle exec puppet apply -e 'notice $puppetversion'
Notice: Scope(Class[main]): 3.7.5