From 4c8037af5cc6756d81aa4569c2f66fc08ebb7db2 Mon Sep 17 00:00:00 2001
From: Ivan Usov <ivan.usov@psi.ch>
Date: Tue, 9 Nov 2021 16:39:12 +0100
Subject: [PATCH] Convenience fix for restoring chain-merged scans

---
 pyzebra/ccl_process.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pyzebra/ccl_process.py b/pyzebra/ccl_process.py
index 6ba08f6..7867e86 100644
--- a/pyzebra/ccl_process.py
+++ b/pyzebra/ccl_process.py
@@ -149,6 +149,10 @@ def restore_scan(scan):
         tmp = scan["init_scan"]
         scan.clear()
         scan.update(tmp)
+        # force scan export to True, otherwise in the sequence of incorrectly merged scans
+        # a <- b <- c the scan b will be restored with scan["export"] = False if restoring executed
+        # in the same order, i.e. restore a -> restore b
+        scan["export"] = True
 
 
 def fit_scan(scan, model_dict, fit_from=None, fit_to=None):