support nonlocal

main.rb

@@ -1,3 +1,4 @@
+#!/usr/bin/ruby
 require 'discordrb'
 require 'video_info'
 require 'uri'

mpc_shim.rb

@@ -1,49 +1,52 @@
 class MpcShim
   def update()
-    `mpc update`
+    `mpc #{host_arg} update`
   end
 
   def clear()
-    `mpc clear`
+    `mpc #{host_arg} clear`
   end
 
   def play()
-    `mpc play`
+    `mpc #{host_arg} play`
   end
 
   def stop()
-    `mpc stop`
+    `mpc #{host_arg} stop`
   end
 
   def next()
-    `mpc next`
+    `mpc #{host_arg} next`
   end
 
   def reset()
-    `mpc clear`
-    `mpc add /`
-    `mpc shuffle`
-    `mpc repeat`
+    `mpc #{host_arg} clear`
+    `mpc #{host_arg} add /`
+    `mpc #{host_arg} shuffle`
+    `mpc #{host_arg} repeat`
   end
 
   def update()
-    `mpc update`
+    `mpc #{host_arg} update`
   end
 
   def toggle()
-    `mpc toggle`
+    `mpc #{host_arg} toggle`
   end
 
   def add(filename = nil)
     if filename == nil
-      `mpc add /`
+      `mpc #{host_arg} add /`
     else
-      `mpc add #{filename}`
+      `mpc #{host_arg} add #{filename}`
     end
     return $?.success?
   end
 
-  def initialize()
+  def initialize(hostname=:localhost)
+    if hostname != :localhost
+      @host_arg = "--host #{hostname} "
+    end
     true
   end