Initial work on making the update function functionable

post.php

@@ -846,6 +846,12 @@ if(isset($_GET['download_database'])){
     mysqli_query($mysqli,"INSERT INTO logs SET log_type = 'Settings', log_action = 'Downloaded', log_description = 'Database', log_created_at = NOW(), company_id = $session_company_id, log_user_id = $session_user_id");
 }
 
+if(isset($_GET['update'])){
+    //Stuff will go here..
+    //also check to make sure someone has admin before running this function
+
+}
+
 if(isset($_POST['add_client'])){
 
     $name = trim(strip_tags(mysqli_real_escape_string($mysqli,$_POST['name'])));

settings-update.php

@@ -2,15 +2,57 @@
 
 <?php include("settings-nav.php"); ?>
 
+<?php
+
+//fetch the latest code changes but don't apply them
+exec("git fetch");
+$latest_version = exec("gitrev-parse origin/master");
+$current_version = exec("git rev-parse HEAD");
+
+if($current_version == $latest_version){
+  $update_message = "No Updates available";
+}else{
+  $update_message = "New Updates are Available [$latest_version]";
+}
+
+$git_log = shell_exec("git log master..origin/master --pretty=format:'<tr><td>%h</td><td>%ar</td><td>%s</td></tr>'");
+
+?>
+
 <div class="card card-dark">
   <div class="card-header">
     <h3 class="card-title"><i class="fa fa-fw fa-wrench"></i> Update</h3>
   </div>
   <div class="card-body">
     <center>
-      <h2><small class="text-secondary">Current Version</small><br>afkjgjfshgkfjg763g43g</h2>
+      <h2><small class="text-secondary">Current Version</small><br><?php echo $current_version; ?></h2>
+      <?php if(!empty($git_log)){ ?>
       <a class="btn btn-primary btn-lg my-4" href="post.php?update"><i class="fa fa-fw fa-4x fa-wrench"></i><br>Update<br>NOW</a>
+      <?php
+      }
+      ?>
     </center>
+
+    <?php
+    if(!empty($git_log)){
+    ?>  
+    <table class="table ">
+      <thead>
+        <tr>
+          <th>Commit</th>
+          <th>When</th>
+          <th>Changes</th>
+        </tr>
+      </thead>
+      <tbody>
+        <?php 
+        echo $git_log;
+        ?>
+      </tbody>
+    </table>
+    <?php
+    }
+    ?>
   </div>
 </div>