#!/usr/bin/env bash
#######################################################################################
#                                                                                     #
#      A script to install a mainline version of NGINX with custombuild2              #
#      A version number of NGINX mainline is taken from versions.txt                  #
#                                                                                     #
#######################################################################################
#                                                                                     #
#         Version: 2.0 (Tue Oct  4 17:06:49 +07 2016)                                 #
#         Written by: Alex S Grebenschikov (zEitEr)                                   #
#         Site: www.poralix.com  E-mail: support@poralix.com                          #
#                                                                                     #
#                                                                                     #
#######################################################################################
#######################################################################################
##                                                                                    #
##   MIT License                                                                      #
##                                                                                    #
##   Copyright (c) 2016 Alex S Grebenschikov (www.poralix.com)                        #
##                                                                                    #
##   Permission is hereby granted, free of charge, to any person obtaining a copy     #
##   of this software and associated documentation files (the "Software"), to deal    #
##   in the Software without restriction, including without limitation the rights     #
##   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell        #
##   copies of the Software, and to permit persons to whom the Software is            #
##   furnished to do so, subject to the following conditions:                         #
##                                                                                    #
##   The above copyright notice and this permission notice shall be included in all   #
##   copies or substantial portions of the Software.                                  #
##                                                                                    #
##   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR       #
##   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,         #
##   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE      #
##   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER           #
##   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,    #
##   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE    #
##   SOFTWARE.                                                                        #
##                                                                                    #
#######################################################################################


function read_yes_no()
{
    if [ "$1" = "-y" -o "$1" = "y" ]; then
    {
        yesno="y";
        echo "y";
        echo "Skipping...as -y was given";
    }
    elif [ "$1" = "-n" -o "$1" = "n" ]; then
    {
        yesno="n";
        echo "n";
        echo "Terminating...as -n was given";
        exit 1;
    }
    fi;

    if [ "$yesno" = "" ]; then
    {
        while read yesno;
        do
        {
            if [ "$yesno" = "y" ]; then break;
            elif [ "$yesno" = "n" ]; then echo "Terminating..."; exit 1;
            else echo -n "${ask_text}"; fi;
        }
        done;
    }
    fi;
}

echo "#######################################################################";
echo "#                                                                     #";
echo "#  A script to install a mainline version of NGINX with custombuild2  #";
echo "#  A version number of NGINX mainline is taken from versions.txt      #";
echo "#            Version: 2.0 (Tue Oct  4 17:06:49 +07 2016)              #";
echo "#            Written by: Alex S Grebenschikov (zEitEr)                #";
echo "#                                                                     #";
echo "#######################################################################";
echo "";

cd /usr/local/directadmin/custombuild || exit 1;
NGINX_VER=`grep ^nginx_mainline: versions.txt | cut -d\: -f2`;
NGINX_MD5=`grep ^nginx_mainline: versions.txt | cut -d\: -f3`;
NGINX_VER_INSTALLED=`nginx -v 2>&1 | grep 'nginx version' | cut -d\/ -f2`;

ask_text="Do you want to build NGINX? (y/n): ";

echo "Latest version of NGINX mainline: ${NGINX_VER}";
echo "Installed version of NGINX: ${NGINX_VER_INSTALLED}";
echo "";
echo -n "${ask_text}";

[ -e "custom_versions.txt" ] || touch custom_versions.txt;
cat custom_versions.txt | grep -Ev "^nginx:|^$" > custom_versions.txt.new;
mv -f custom_versions.txt.new custom_versions.txt;
echo "nginx:${NGINX_VER}:${NGINX_MD5}" >> custom_versions.txt;

read_yes_no ${1};

[ -e "nginx-${NGINX_VER}.tar.gz" ] || wget https://nginx.org/download/nginx-${NGINX_VER}.tar.gz -O nginx-${NGINX_VER}.tar.gz;
./build update > /dev/null 2>&1;
./build nginx;

exit 0;