add dbus and dri

lib/dbus.nim

@@ -10,10 +10,10 @@ type DbusProxy* = object
   socket*: string
   args: seq[string]
 
-proc exec*(proxy: var DbusProxy) =
+proc exec*(proxy: DbusProxy): Process =
   # todo: start dbus proxy in bwrap
   # todo: pass arguments as fd
-  proxy.process = startProcess("xdg-dbus-proxy", args = proxy.args,
+  startProcess("xdg-dbus-proxy", args = proxy.args,
     options = {poEchoCmd, poParentStreams, poUsePath})
 
 proc startDBusProxy*(config: Config, hostname: string): DbusProxy =
@@ -49,6 +49,6 @@ proc startDBusProxy*(config: Config, hostname: string): DbusProxy =
 
   proxy.args.add("--filter")
   proxy.args.add("--log")
-  proxy.exec()
+  proxy.process = proxy.exec()
 
   proxy