Index: /branches/features/purchaseOrders/scripts/_Events.groovy
===================================================================
--- /branches/features/purchaseOrders/scripts/_Events.groovy	(revision 929)
+++ /branches/features/purchaseOrders/scripts/_Events.groovy	(revision 930)
@@ -8,2 +8,15 @@
     }
 }
+
+// Prevent interactive requests when a plugin is installed/un-installed.
+// http://ldaley.com/post/2616518761/disabling-grails-plugin-upgrade-confirmation
+def resolveDependenciesWasInteractive = false
+eventResolveDependenciesStart = {
+    resolveDependenciesWasInteractive = isInteractive
+    isInteractive = false
+}
+
+eventResolveDependenciesEnd = {
+    isInteractive = resolveDependenciesWasInteractive
+}
+