From fabd4109a63f36722f66bdff27c61611d2b00084 Mon Sep 17 00:00:00 2001
From: Alexius Wadell <awadell@gmail.com>
Date: Sun, 29 Jan 2017 20:39:07 -0500
Subject: [PATCH] Added check for updates to Datamaster constructor

Only runs once per session
---
 @Datamaster/Datamaster.m | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/@Datamaster/Datamaster.m b/@Datamaster/Datamaster.m
index 66f7fca..8049371 100644
--- a/@Datamaster/Datamaster.m
+++ b/@Datamaster/Datamaster.m
@@ -31,6 +31,33 @@
             
             % Get a list of Details and Channels that have been logged
             dm.updateDetails; dm.updateChannels;
+            
+            %% Check for Updates - But Only once per session
+            persistent flagChecked
+            if isempty(flagChecked)
+                %Move to the Datamaster folder
+                savedCd = cd; cd(Datamaster.getPath);
+
+                %Fetch updates from remote
+                [success, ~] = system('git fetch');
+                assert(success==0, 'Error fetching updates from remote');
+
+                %Check Current Status
+                [success, str] = system('git status');
+                assert(success==0, 'Error reading git repo status');
+
+                %Get status
+                status = regexpi(str, 'Your branch is behind ''(.+)'' by (\d+)', 'tokens');
+                
+                %Report to user
+                if ~isempty(status)
+                    warning(['Updates are avaliable. ',...
+                    'Run <a href="matlab:DatamasterSetup">Datamaster Setup</a> to Update']); 
+                end
+                
+                %Return to original directory
+                cd(savedCd); flagChecked = true;
+            end
         end
         
         %% Small Public Methods -> Move externally if it grows