Push GitHub changes to Apache Web Server

post-receive

#!/bin/bash
#
# This "post-receive" script receives from stdin three arguments in the form:
#   <oldrev> <newrev> <refname>
#
while read oldrev newrev ref
do
  branch=`echo $ref | cut -d/ -f3`
  if [ "master" == "$branch" ]; then
    git --work-tree=/var/www/default/public_html/ checkout -f $branch
    echo 'GitHub changes pushed to production.'
  fi
done