From 81fbfa1726cdc8d9676654b5c79da90452cad88f Mon Sep 17 00:00:00 2001
From: Jens Maus <mail@jens-maus.de>
Date: Fri, 9 Oct 2015 15:42:50 +0200
Subject: [PATCH] updated update-check.cgi with proper error checking.

---
 script/update-check.cgi | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/script/update-check.cgi b/script/update-check.cgi
index 2d6308a..d61e1b8 100755
--- a/script/update-check.cgi
+++ b/script/update-check.cgi
@@ -1,5 +1,8 @@
 #!/bin/tclsh
 
+set checkURL    "https://raw.githubusercontent.com/jens-maus/scriptparser/master/VERSION"
+set downloadURL "https://github.com/jens-maus/scriptparser/releases"
+
 catch {
   set input $env(QUERY_STRING)
   set pairs [split $input &]
@@ -11,12 +14,14 @@ catch {
 }
 
 if { [info exists cmd ] && $cmd == "download"} {
-  if { [info exists version ] } {
-    puts "<meta http-equiv='refresh' content='0; url=https://github.com/jens-maus/scriptparser/releases/tag/$version' />"
+  puts "<meta http-equiv='refresh' content='0; url=$downloadURL' />"
+} else {
+  catch {
+    set newversion [ exec /usr/bin/wget -qO- --no-check-certificate $checkURL ]
+  }
+  if { [info exists newversion] } {
+    puts $newversion
   } else {
-    puts "<meta http-equiv='refresh' content='0; url=https://github.com/jens-maus/scriptparser/releases' />"
+    puts "n/a"
   }
-} else {
-  set version [ exec /usr/bin/wget -qO- --no-check-certificate https://raw.githubusercontent.com/jens-maus/scriptparser/master/VERSION ]
-  puts $version
 }