Update

src/symbols/user.rs

@@ -4,6 +4,7 @@ use std::fmt;
 use std::io::Error as IoError;
 
 use command_runner::CommandRunner;
+use resources::Resource;
 use symbols::Symbol;
 
 #[derive(Debug, PartialEq)]
@@ -108,6 +109,10 @@ impl<'a, E: 'static + Error, A: UserAdder<SubE=E>> Symbol for User<'a, E, A> {
   fn execute(&self) -> Result<(), Box<Error>> {
     self.user_adder.add_user(&*self.user_name).map_err(|e| Box::new(e) as Box<Error>)
   }
+
+  fn provides(&self) -> Option<Vec<Resource>> {
+    Some(vec![Resource::new("user", self.user_name.to_string())])
+  }
 }
 
 pub struct SystemUserAdder<'a> {