run bundle and migration in Automatic deploy with Git

sudo nano hooks/post-receive

#!/bin/bash
while read oldrev newrev ref
do
    if [[ $ref =~ .*/master$ ]];
    then
        echo "Master ref received.  Deploying master branch to production..."
        git --work-tree=/home/ec2-user/ywrstaging/ywroom-staging --git-dir=/home/ec2-user/proj checkout -f
      # sudo  /etc/init.d/nginx restart
       cd /home/ec2-user/ywrstaging/ywroom-staging &&  source ~/.rvm/scripts/rvm && bundle install && rake db:migrate
       sudo  /etc/init.d/nginx restart


    else
        echo "Ref $ref successfully received.  Doing nothing: only the master branch may be deployed on this server."
    fi
done