Simplify

src/symbols/systemd/node_js_user_service.rs

@@ -126,31 +126,6 @@ impl<'a, C, R> NodeJsSystemdUserService<'a, C, R> where C: Deref<Target=str>, R:
   }
 }
 
-fn wait_for_metadata(file_name: &str) -> Result<Metadata, Box<Error>> {
-  let result;
-  let mut tries = 5;
-  loop {
-    let metadata = fs::metadata(file_name.clone());
-    match metadata {
-      Ok(metadata) => {
-        result = metadata;
-        break;
-      },
-      Err(e) => {
-        if e.kind() != io::ErrorKind::NotFound {
-          return Err(Box::new(e));
-        }
-      }
-    }
-    tries -= 1;
-    if tries == 0 {
-      return Err("Gave up waiting for socket to appear".to_string().into());
-    }
-    sleep(Duration::from_millis(500));
-  }
-  Ok(result)
-}
-
 impl<'a, C, R> Symbol for NodeJsSystemdUserService<'a, C, R> where C: Deref<Target=str>, R: CommandRunner {
   fn target_reached(&self) -> Result<bool, Box<Error>> {
     if !(try!(self.file.target_reached())) {
@@ -169,13 +144,7 @@ impl<'a, C, R> Symbol for NodeJsSystemdUserService<'a, C, R> where C: Deref<Targ
     }
 
     let file_name = format!("/var/tmp/{}-{}.socket", self.user_name, self.service_name);
-    let metadata = try!(wait_for_metadata(&file_name));
-/*
-    let mut perms = metadata.permissions();
-    perms.set_mode(0o666);
-    try!(fs::set_permissions(file_name, perms));
-*/
-    Ok(())
+    fs::metadata(&file_name).map(|_| ()).map_err(|e| Box::new(e) as Box<Error>)
   }
 
   fn get_prerequisites(&self) -> Vec<Resource> {