From cd102ba6543a9eec308caf5f21c478581a87ab79 Mon Sep 17 00:00:00 2001
From: Thomas Madlener <thomas.madlener@desy.de>
Date: Mon, 11 Nov 2024 20:19:43 +0100
Subject: [PATCH] Make sure that output piping doesnot silence failures

---
 ilcsoft/util.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ilcsoft/util.py b/ilcsoft/util.py
index 2eb4dc88..d6865459 100644
--- a/ilcsoft/util.py
+++ b/ilcsoft/util.py
@@ -34,7 +34,7 @@ def os_system( cmd ):
     """ forces os.system calls wto use bash """
     cmd = cmd.replace('"',r'\"')
     ##print('os_system: ', 'bash -c "'+cmd+'"')
-    return os.system('pwd ; bash -c "'+cmd+'"')
+    return os.system('pwd ; bash -o pipefail -c "'+cmd+'"')
 
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