Wait for socket in user service

src/symbols/systemd/user_service.rs

@@ -2,7 +2,6 @@ use std::borrow::Cow;
 use std::error::Error;
 use std::ffi::OsStr;
 use std::fmt;
-use std::fs;
 use std::io;
 
 use std::path::Path;
@@ -188,15 +187,18 @@ impl<'a, C: AsRef<str>, R: CommandRunner> Symbol for UserService<'a, C, R> {
     self.systemctl_wait_for_dbus(args!["--user", "enable", self.service_name])?;
     self.systemctl_wait_for_dbus(args!["--user", "restart", self.service_name])?;
 
+    loop {
       if !(self.check_if_service()?) {
         return Err(Box::new(
           UserServiceError::GenericError as UserServiceError<io::Error>,
         ));
       }
 
-    fs::metadata(&self.socket_path)
-      .map(|_| ())
-      .map_err(|e| Box::new(e) as Box<dyn Error>)
+      if self.socket_path.exists() {
+        return Ok(());
+      }
+      sleep(Duration::from_millis(500));
+    }
   }
 
   fn get_prerequisites(&self) -> Vec<Resource> {