Just noticing how stupid that idea was

startup.sh

@@ -1,10 +1,8 @@
 #!/usr/bin/env bash
 # shellcheck disable=SC2154
-set -eo pipefail
 
 # Cancel execution of system-wide punktdateien-bashrc if user-wide installation is detected
 if [ -n "${BASHRCD_SYSTEM}" ] && [ -d "${HOME}/.bashrc.d" ] && [ -f "${HOME}/.bashrc.d/startup.sh" ]; then
-	set +eo pipefail
 	unset BASHRCD_SYSTEM
 	return 0
 fi
@@ -88,4 +86,3 @@ for file in startup.d/*; do
 done
 
 unset BASHRCD_SYSTEM
-set +eo pipefail