issue #252: add _modules collection by default

CHANGELOG

@@ -32,6 +32,8 @@ v1.1.beta1 (2012-XX-XX)
   - if the length of the HTTP headers is greated than the maximum allowed size (1 MB),
     the server will fail with HTTP 431 (request header fields too large)
 
+* issue #252: create _modules collection using arango-upgrade
+
 * issue #251: allow passing arbitrary options to V8 engine using new command line option:
   --javascript.v8-options. Using this option, the Harmony features or other settings in
   v8 can be enabled if the end user requires them

js/server/arango-upgrade.js

@@ -206,6 +206,18 @@ function main (argv) {
     SYS_SAVE(versionFile, "1");
     return true;
   });
+  
+  // create the _modules collection
+  addTask("setup _modules collection", 1, function () {
+    // create a collection named "_modules"
+    var modules = db._create("_modules", { isSystem: true });
+
+    if (modules == null) {
+      console.error("creating modules collection '_modules' failed");
+      return false;
+    }
+    return true;
+  });
 
 
   console.log("Upgrade script " + argv[0] + " started");