--- mongodb-3.2.0.ebuild.orig	2015-12-16 16:05:03.873283609 -0500
+++ mongodb-3.2.0.ebuild	2015-12-16 21:32:26.953413766 -0500
@@ -44,8 +44,44 @@
 S=${WORKDIR}/${MY_P}
 
 pkg_setup() {
-	enewgroup mongodb
-	enewuser mongodb -1 -1 /var/lib/${PN} mongodb
+	if [[ ${REPLACING_VERSIONS} < 3.0 ]]; then
+		ewarn "!! ERROR !!"
+                ewarn "You cannot directly upgrade a mongodb version 2.x"
+                ewarn "deployment to ${PN}-${PV}. Instead, you must upgrade"
+                ewarn "to a 3.0.x version first and then upgrade that to"
+                ewarn "${PN}-${PV}. "
+                ewarn " "
+                ewarn "Terminating ebuild."
+                die "Terminating ebuild."
+        fi
+
+        # Determine if a mongod is running at this time
+        # Issue warning and die if server is running.
+
+        ps -A | grep -q '[m]ongod'
+        if [ "$?" -eq "0" ]; then
+               ewarn "!! ERROR!!"
+               ewarn "You must shut down the running mongod server"
+               ewarn "before continuing with this ebuild."
+               ewarn "Shut down the mongod server and try again."
+               die "Terminating ebuild."
+       fi
+ 
+        # If the user mongodb already exists we do not neeed
+        # to add these users to the system. If the user and
+        # group do not exist, we create them.
+
+        getent group mongodb > /dev/null 2&>1
+
+        if [ "$?" -eq "1" ]; then
+       	     enewgroup mongodb
+        fi
+
+        getent passwd mongodb > /dev/null 2&>1
+
+        if [ "$?" -eq "1" ]; then
+             enewuser mongodb -1 -1 /var/lib/${PN} mongodb
+        fi
 
 	# Maintainer notes
 	#
@@ -140,20 +176,27 @@
 }
 
 pkg_postinst() {
-	if [[ ${REPLACING_VERSIONS} < 3.0 ]]; then
-		ewarn "!! IMPORTANT !!"
-		ewarn " "
-		ewarn "${PN} configuration files have changed !"
-		ewarn " "
-		ewarn "Make sure you migrate from /etc/conf.d/${PN} to the new YAML standard in /etc/${PN}.conf"
-		ewarn "  http://docs.mongodb.org/manual/reference/configuration-options/"
-		ewarn " "
-		ewarn "Make sure you also follow the upgrading process :"
-		ewarn "  http://docs.mongodb.org/master/release-notes/3.0-upgrade/"
-		ewarn " "
-		ewarn "MongoDB 3.0 introduces the WiredTiger storage engine."
-		ewarn "WiredTiger is incompatible with MMAPv1 and you need to dump/reload your data if you want to use it."
-		ewarn "Once you have your data dumped, you need to set storage.engine: wiredTiger in /etc/${PN}.conf"
-		ewarn "  http://docs.mongodb.org/master/release-notes/3.0-upgrade/#change-storage-engine-to-wiredtiger"
-	fi
+	ewarn "!! IMPORTANT !!"
+	ewarn " "
+	ewarn "Make sure you check your configuration file in /etc/${PN}.conf"
+	ewarn "For more information about configuration options, see:"
+	ewarn " "
+	ewarn "  https://docs.mongodb.org/manual/reference/configuration-options/"
+	ewarn " "
+	ewarn "If upgrading from an older deployment of ${PN}, Make sure you also follow"
+	ewarn "the upgrading process :"
+	ewarn "  https://docs.mongodb.org/manual/release-notes/3.2-upgrade/"
+	ewarn " "
+	ewarn "MongoDB 3.2 uses the WiredTiger storage engine by default for new deployments. For"
+	ewarn "existing deployments in the version 3.0 series, MongoDB 3.2 will use the mmapv1 "
+	ewarn "storage engine if your existing databases were created with it. If you want to convert"
+	ewarn "from the mmapv1 storage engine to WiredTiger, you will need to dump your databases"
+	ewarn "with mongodump. Set the storage engine and specify a new dbpath in /etc/${PN}.conf."
+	ewarn "Create the dbpath and chmod it so that user mongodb has owner and group rwx permissions."
+	ewarn "You may also want to change the name of the logfile that mongod writes to."
+	ewarn " "  
+	ewarn "  https://docs.mongodb.org/release-notes/3.0-upgrade/#change-storage-engine-to-wiredtiger"
+	ewarn " "
+	ewarn "After emerging this package, remember to start the mongod server again. If needed, "
+	ewarn "restore databases with mongorestore."
 }