chore: was missing KEY_FILE var in script

Author: samrose

nix/tests/util/pgsodium_getkey.sh

@@ -2,7 +2,9 @@
 
 set -euo pipefail
 
+KEY_FILE="${1:-/tmp/pgsodium.key}"
+
 if [[ ! -f "$KEY_FILE" ]]; then
     head -c 32 /dev/urandom | od -A n -t x1 | tr -d ' \n' > "$KEY_FILE"
 fi
-cat $KEY_FILE
+cat $KEY_FILE