recompile_nginx.sh

#!/bin/bash
#Recompile Nginx w/ pagespeed & ngx_cache_purge
#CONFIGURATION
echo "Please enter NGX Pagespeed version number which you can get from "
echo "https://github.com/pagespeed/ngx_pagespeed/releases "
echo "Example: 1.9.32.3 "
echo "NGX Version: "
read NPS_VERSION
echo "Is the above information correct? Yes to install, no to exit."
select yn in "Yes" "No"; do
    case $yn in
        Yes ) break;;
        No ) exit;;
    esac
done
#update everything
sudo add-apt-repository -s -y ppa:nginx/stable
apt-get update

#install tools
sudo apt-get install build-essential zlib1g-dev libpcre3 libpcre3-dev unzip git-core curl wget dpkg-dev -y

#download nginx source
sudo apt-get -y build-dep nginx
sudo mkdir -p /opt/nginx
cd /opt/nginx
sudo apt-get source nginx

PSOL_VER=$(echo $NPS_VERSION | cut -d \- -f 1)
NGINX_VER=$(find ./nginx* -maxdepth 0 -type d | sed "s|^\./||")
NGINX_VER_NUM=$(echo $NGINX_VER | cut -d \- -f 2)
NGINX_BUILD_DIR=/opt/nginx/$NGINX_VER

#install pagespeed module
cd $NGINX_BUILD_DIR/debian/modules
wget https://github.com/pagespeed/ngx_pagespeed/archive/release-${NPS_VERSION}-beta.zip
unzip release-${NPS_VERSION}-beta.zip
cd ngx_pagespeed-release-${NPS_VERSION}-beta/
wget https://dl.google.com/dl/page-speed/psol/${NPS_VERSION}.tar.gz
tar -xzvf ${NPS_VERSION}.tar.gz  # extracts to psol/

#get nginx purge
cd $NGINX_BUILD_DIR/debian/modules
wget http://labs.frickle.com/files/ngx_cache_purge-2.3.tar.gz
tar -xzvf ngx_cache_purge-2.3.tar.gz

sed -i '/--add-module=\$(MODULESDIR)\/nginx-cache-purge \\/d' $NGINX_BUILD_DIR/debian/rules
sed -i 's/^\(\s*\)\(--add-module=.*[^\]\)$/\1\2 \\\
\1--add-module=\$(MODULESDIR)\/ngx_cache_purge-2.3 \\\
\1--add-module=\$(MODULESDIR\)\/ngx_pagespeed-release-'${NPS_VERSION}'-beta/g' $NGINX_BUILD_DIR/debian/rules

#build nginx
apt-get -y remove nginx
cd $NGINX_BUILD_DIR
dpkg-buildpackage -b
cd /opt/nginx/
sudo dpkg -i nginx_*_all.deb nginx-common_*_all.deb nginx-doc_*_all.deb nginx-full_*_amd64.deb