--- /usr/portage/app-backup/snapper/snapper-9999.ebuild 2014-11-15 17:01:02.000000000 +0200
+++ snapper-9999.ebuild 2015-03-06 13:31:32.403403669 +0200
@@ -1,4 +1,4 @@
-# Copyright 1999-2014 Gentoo Foundation
+# Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 # $Header: /var/cvsroot/gentoo-x86/app-backup/snapper/snapper-9999.ebuild,v 1.5 2014/11/15 14:38:53 dlan Exp $
 
@@ -66,4 +66,17 @@
        elog "snapper create-config <subvolume>"
        elog "For more information, see man (8) snapper or"
        elog "http://snapper.io/documentation.html"
+       if has_version 'sys-apps/systemd'; then
+               elog "You can enable automatic snapshot taking by running:"
+               elog "systemctl enable snapper-timeline.timer"
+               elog "And automatic cleanup of old snapshots by running:"
+               elog "systemctl enable snapper-cleanup.timer"
+               if has_version 'sys-process/cronbase'; then
+                       ewarn "Warning: Using a cron daemon with systemd may result in conflicts between"
+                       ewarn "cronjobs and native systemd timer units. Do not enable both at once."
+                       ewarn "It is highly recommended to migrate exclusively to native systemd timer"
+                       ewarn "units and unmerge cron. For more information, see:"
+                       ewarn "https://wiki.gentoo.org/wiki/Systemd#Timer_services"
+               fi
+       fi
 }