From 3b25f39553872082a4d68080b283da95f37440d5 Mon Sep 17 00:00:00 2001
From: Simeon Ehrig <s.ehrig@hzdr.de>
Date: Thu, 14 Nov 2024 15:40:45 +0100
Subject: [PATCH] fix 2

---
 script/gitlabci/print_env.sh | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/script/gitlabci/print_env.sh b/script/gitlabci/print_env.sh
index 7972fba148e..a358b9f7623 100755
--- a/script/gitlabci/print_env.sh
+++ b/script/gitlabci/print_env.sh
@@ -45,9 +45,11 @@ echo "${CI_RUNNER_TAGS}"
 # take all env variables, filter it and display it with a `export` prefix
 env_name_prefixes=("^ALPAKA_*" "^alpaka_*" "^CMAKE_*" "^BOOST_*" "^CUDA_*")
 for reg in ${env_name_prefixes[@]}; do
-    printenv | grep -E ${reg} | while read -r line ; do
-        echo "export $line \\"
-    done
+    if printenv | grep -qE ${reg}; then
+        printenv | grep -E ${reg} | while read -r line ; do
+            echo "export $line \\"
+        done
+    fi
 done
 
 echo "export CI_RUNNER_TAGS='${CI_RUNNER_TAGS}' \\"