pipewire-controller: trying to send sigusr1 to xrootdatetime

home/modules/pipewire-controller.nix

@@ -44,6 +44,28 @@ let
                   .output()
                   .expect("Unable to play audio via mpv");
           }
+
+          let xrootdatetime_pid_raw =
+              Command::new("systemctl")
+                  .args([
+                    "--user",
+                    "show",
+                    "--property", "MainPID",
+                    "--value", "xrootdatetime"
+                  ])
+                  .output();
+
+          if let Ok(xrootdatetime_pid_raw) = xrootdatetime_pid_raw {
+              if let Ok(xrootdatetime_pid) = str::from_utf8(&xrootdatetime_pid_raw.stdout[..]) {
+                  let _ = Command::new("kill")
+                    .args([
+                      "-s",
+                      "SIGUSR1",
+                      xrootdatetime_pid
+                    ])
+                    .spawn();
+              }
+          }
       }
     '';
 in