also check for write permission to background folder

diff --git a/install.php b/install.php
index b94a9293607e7928659c4da53e09323283d61f5b..570b08edf473b13e709ece605656a279d89016de 100644 (file)
--- a/install.php
+++ b/install.php
@@ -72,6 +72,12 @@ function checkPrereqs()
          <?
             $pass = false;
        }
+       if (!is_writable(INSTALLDIR.'/background/')) {
+         ?><p class="error">Cannot write background directory: <code><?php echo INSTALLDIR; ?>/background/</code></p>
+              <p>On your server, try this command: <code>chmod a+w <?php echo INSTALLDIR; ?>/background/</code></p>
+         <?
+            $pass = false;
+       }
 
        return $pass;
 }