hopefully solve db update issues bug #182

boot.php

@@ -539,6 +539,8 @@ function check_config(&$a) {
 		$current = intval(DB_UPDATE_VERSION);
 		if(($stored < $current) && file_exists('update.php')) {
 
+			load_config('database');
+
 			// We're reporting a different version than what is currently installed.
 			// Run any existing update scripts to bring the database up to current.
 
@@ -552,6 +554,21 @@ function check_config(&$a) {
 
 				for($x = $stored; $x < $current; $x ++) {
 					if(function_exists('update_' . $x)) {
+
+						// There could be a lot of processes running or about to run.
+						// We want exactly one process to run the update command.
+						// So store the fact that we're taking responsibility
+						// after first checking to see if somebody else already has.
+
+						// If the update fails or times-out completely you may need to 
+						// delete the config entry to try again.
+
+						if(get_config('database','update_' . $x))
+							break;
+						set_config('database','update_' . $x, '1');
+
+						// call the specific update
+
 						$func = 'update_' . $x;
 						$func($a);
 					}

mod/admin.php

@@ -5,16 +5,9 @@
   */
 require_once("include/remoteupdate.php");
  
-function admin_init(&$a) {
-	if(!is_site_admin()) {
-		notice( t('Permission denied.') . EOL);
-		return;
-	}
-}
-
 function admin_post(&$a){
 	if(!is_site_admin()) {
-		return login(false);
+		return;
 	}
 	
 	// urls
@@ -672,7 +665,7 @@ function admin_page_logs(&$a){
 function admin_page_remoteupdate_post(&$a) {
 	// this function should be called via ajax post
 	if(!is_site_admin()) {
-		return login(false);
+		return;
 	}