Extract helper

lib/mrsk/sshkit_with_ext.rb

@@ -1,7 +1,17 @@
 require "sshkit"
 require "sshkit/dsl"
 
+module AppHelper
+  def stale_versions(role:)
+    capture_with_info(*MRSK.app(role: role).list_versions, raise_on_non_zero_exit: false)
+      .split("\n")
+      .drop(1)
+  end
+end
+
 class SSHKit::Backend::Abstract
+  include AppHelper
+
   def capture_with_info(*args, **kwargs)
     capture(*args, **kwargs, verbosity: Logger::INFO)
   end