From 847e142c745831ce6b99ec98cd8941f71e5d3788 Mon Sep 17 00:00:00 2001
From: AJPfleger <alexander.julian.pfleger@cern.ch>
Date: Tue, 22 Aug 2023 13:16:26 +0700
Subject: [PATCH] please #2352 (SourceLink as explicit argument to calibrator)

---
 Core/include/Acts/TrackFitting/GlobalChiSquareFitter.hpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Core/include/Acts/TrackFitting/GlobalChiSquareFitter.hpp b/Core/include/Acts/TrackFitting/GlobalChiSquareFitter.hpp
index 336308b52f2..08a7edf2b59 100644
--- a/Core/include/Acts/TrackFitting/GlobalChiSquareFitter.hpp
+++ b/Core/include/Acts/TrackFitting/GlobalChiSquareFitter.hpp
@@ -54,7 +54,8 @@ struct Gx2FitterExtensions {
       typename MultiTrajectory<traj_t>::ConstTrackStateProxy;
   using Parameters = typename TrackStateProxy::Parameters;
 
-  using Calibrator = Delegate<void(const GeometryContext&, TrackStateProxy)>;
+  using Calibrator = Delegate<void(const GeometryContext&, const SourceLink&,
+                                   TrackStateProxy)>;
 
   using Updater = Delegate<Result<void>(const GeometryContext&, TrackStateProxy,
                                         Direction, const Logger&)>;
@@ -392,7 +393,8 @@ class Gx2Fitter {
 
           // We have predicted parameters, so calibrate the uncalibrated input
           // measuerement
-          extensions.calibrator(state.geoContext, trackStateProxy);
+          extensions.calibrator(state.geoContext, sourcelink_it->second,
+                                trackStateProxy);
         }
       }