Restart Unicorn Git Hook

post-update.sh

#!/bin/sh
#
# An example hook script to prepare a packed repository for use over
# dumb transports.
#
# To enable this hook, rename this file to "post-update".


APP_ROOT=/var/www/superheros
UNICORN_PID=$APP_ROOT/pids/unicorn.pid

cd $APP_ROOT || exit
unset GIT_DIR
git pull origin master


# Deploy the updated code
mkdir -p $APP_ROOT

if [ -f $UNICORN_PID ]
  then
    kill -USR2 `cat $UNICORN_PID`
  else
    unicorn -c $APP_ROOT/config/unicorn.rb -D -E production
fi

exec git update-server-info