Git WebHook (windows/linux)

webhook.php

<?php
/**
* 
* coded by:
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*▒██  ▀█▄  ▒█░ █ ░█ ▒███   ░ ▓██▄   ▒██░  ██▒▓██    ▓██░▒███   ▓███▄░ ▒██░  ██▒
*░██▄▄▄▄██ ░█░ █ ░█ ▒▓█  ▄   ▒   ██▒▒██   ██░▒██    ▒██ ▒▓█  ▄ ▓██ █▄ ▒██   ██░
* ▓█   ▓██▒░░██▒██▓ ░▒████▒▒██████▒▒░ ████▓▒░▒██▒   ░██▒░▒████▒▒██▒ █▄░ ████▓▒░
* ▒▒   ▓▒█░░ ▓░▒ ▒  ░░ ▒░ ░▒ ▒▓▒ ▒ ░░ ▒░▒░▒░ ░ ▒░   ░  ░░░ ▒░ ░▒ ▒▒ ▓▒░ ▒░▒░▒░ 
*
*
* PHP Webhook, Handling Linux and Windows
* NOTE:
* - If you are using this on windows with IIS, you will need to have your .ssh folder and keys in the base directory
* - of where you have git installed. You will also need to set correct permissions on this script for IUSR
*
* - This script needs execute/read/write permissions 
* 
**/ 


/* Find the User this is running under for permissions testing */
print_r(exec('whoami'));


/* relative location of log files  */
$GIT_LOG = "logs/gitlog.log";
$HUB_LOG = "logs/payloads.log";

/* set this to true if you are on windows and IIS */
$WINDOWS = false; 

/* add a timestamp to the log */
$prepend = "(".date("m.d.y @ G:i:s").") ";

if($payload = file_get_contents('php://input')) {
        try {
                /* json decode the payload */
                $payload = json_decode($payload);
        } catch(Exception $ex) {
                /* write the error to the log and exit */
                file_put_contents($HUB_LOG, $prepend."error:  "  . $ex . "\n", FILE_APPEND);
                exit(0);
        }

        /**
         * here you can do different things based on the branch.
         * I have left two different branches here so you can see whats going on.
         */

        if($payload->ref == "refs/heads/development"){ /* development branch */
                if($WINDOWS){
                        $result .= shell_exec('cmd /c "cd c:\inetpub\wwwroot\yoursite\ &git fetch origin &git pull origin development" ');
                }else{
                        $result = `cd /var/www/yoursite/development/public_html && git fetch origin && git merge origin/development`;
                }        
        
        }elseif($payload->ref == "refs/heads/production"){ /* production branch */
                if($WINDOWS){
                        $result .= shell_exec('cmd /c "cd c:\inetpub\wwwroot\yoursite\ &git fetch origin &git pull origin production" ');
                }else{
                        $result = `cd /var/www/yoursite/production/public_html && git fetch origin && git merge origin/production`;
                }        
        }else{
                echo "Wrong Branch";
                exit(0);
        }

        /* log the results */
        file_put_contents($GIT_LOG, $prepend.$result."\n", FILE_APPEND);
        /* log the payload that came through */
        file_put_contents($HUB_LOG, $prepend.print_r($payload, TRUE), FILE_APPEND);
        /* debugging */
        echo $result;

} else {
        /* log the invalid request */
        file_put_contents($HUB_LOG, $prepend."invalid request\n", FILE_APPEND);
        /* debugging */
        echo "failed request";
}