git-deploy

git-deploy

https://github.com/mislav/git-deploy
gem install git-deploy

1. Create a git remote for where you'll push the code on your server. 
git remote add production "[email protected]:/home/webapps/www/git-deploy"

2. This will initialize the remote git repository in the deploy directory
git deploy setup -r "production"

3.This generates default deploy callback scripts
git deploy init

4.Push the code.
git push production master

Login to your server and manually perform necessary one-time administrative operations