From b5c91e43ff41e1a40570038cf64c32987c676b42 Mon Sep 17 00:00:00 2001
From: Sam Thursfield <sam.thursfield@codethink.co.uk>
Date: Wed, 12 Feb 2014 18:24:36 +0000
Subject: deploy: Add new --upgrade option

---
 morphlib/plugins/deploy_plugin.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/morphlib/plugins/deploy_plugin.py b/morphlib/plugins/deploy_plugin.py
index e8f1d217..66058973 100644
--- a/morphlib/plugins/deploy_plugin.py
+++ b/morphlib/plugins/deploy_plugin.py
@@ -36,6 +36,13 @@ import morphlib.plugins.branch_and_merge_plugin
 class DeployPlugin(cliapp.Plugin):
 
     def enable(self):
+        group_deploy = 'Deploy Options'
+        self.app.settings.boolean(['upgrade'],
+                                  'specify that you want to upgrade an '
+                                  'existing cluster of systems rather than do '
+                                  'an initial deployment',
+                                  group=group_deploy)
+
         self.app.add_subcommand(
             'deploy', self.deploy,
             arg_synopsis='CLUSTER [SYSTEM.KEY=VALUE]')
-- 
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