From 6e5fed29628386a9ee07f28ce18b4de72534fcb6 Mon Sep 17 00:00:00 2001
From: Wouter Deconinck <wouter.deconinck@umanitoba.ca>
Date: Sat, 23 Oct 2021 18:30:49 +0000
Subject: [PATCH] Avoid unbound variable error when PS1 unset

---
 containers/jug/setup_detectors.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/containers/jug/setup_detectors.py b/containers/jug/setup_detectors.py
index d26648cce..a12e78e83 100755
--- a/containers/jug/setup_detectors.py
+++ b/containers/jug/setup_detectors.py
@@ -21,6 +21,7 @@ export JUGGLER_BEAMLINE_CONFIG_VERSION=$BEAMLINE_CONFIG_VERSION
 export JUGGLER_INSTALL_PREFIX=/usr/local
 
 ## modify PS1 for this detector version
+export PS1="${{PS1}}"
 export PS1="{branch}${{PS1_SIGIL}}>${{PS1#*>}}"
 unset branch
 '''
-- 
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