Allow properties to be passed into the initializer for a process

lib/net/ssh/shell.rb

@@ -67,9 +67,16 @@ def on_process_run(&callback)
         @on_process_run = callback
       end
 
-      def execute(command, klass=nil, &callback)
-        klass ||= default_process_class
-        process = klass.new(self, command, callback)
+      def execute(command, *args, &callback)
+        # The class is an optional second argument.
+        klass = default_process_class
+        klass = args.shift if args.first.is_a?(Class)
+
+        # The properties are expected to be the next argument.
+        props = {}
+        props = args.shift if args.first.is_a?(Hash)
+
+        process = klass.new(self, command, props, callback)
         processes << process
         run_next_process if processes.length == 1
         process

lib/net/ssh/shell/process.rb

@@ -7,11 +7,11 @@ class Process
     attr_reader :exit_status
     attr_reader :properties
 
-    def initialize(manager, command, callback)
+    def initialize(manager, command, properties, callback)
       @command = command
       @manager = manager
       @callback = callback
-      @properties = {}
+      @properties = properties
       @on_output = nil
       @on_error_output = nil
       @on_finish = nil