add rsync_install capability to tinycore guest

plugins/guests/tinycore/cap/rsync.rb

@@ -0,0 +1,14 @@
+module VagrantPlugins
+  module GuestTinyCore
+    module Cap
+      class RSync
+        def self.rsync_install(machine)
+          machine.communicate.tap do |comm|
+            # do not sudo tce-load
+            comm.execute("tce-load -wi rsync")
+          end
+        end
+      end
+    end
+  end
+end

plugins/guests/tinycore/plugin.rb

@@ -20,6 +20,11 @@ module VagrantPlugins
         require_relative "cap/halt"
         Cap::Halt
       end
+
+      guest_capability("tinycore", "rsync_install") do
+        require_relative "cap/rsync"
+        Cap::RSync
+      end
     end
   end
 end