timing sbt-heroku vs git push

For this case, git push is faster than sbt-heroku.

https://github.com/heroku/sbt-heroku

Using sbt-heroku...
--
[success] Total time: 160 s, completed 29-Oct-2014 21:51:31

real	2m49.819s
user	0m41.940s
sys	0m6.029s

Using git push...
--
To git@heroku.com:prout-bot.git
   173dfb5..25d784a  master -> master

real	1m51.430s
user	0m0.017s
sys	0m0.017s