fix: MODULE_DIRECTORY: unbound variable

modules/fonts/fonts.sh

@@ -7,13 +7,14 @@ get_yaml_array() {
     readarray "$1" < <(echo "$3" | yq -I=0 "$2")
 }
 
+MODULE_DIRECTORY="${MODULE_DIRECTORY:-"/tmp/modules"}"
 for SOURCE in "$MODULE_DIRECTORY"/fonts/sources/*.sh; do
     chmod +x "${SOURCE}"
 
     # get array of fonts for current source
     FILENAME=$(basename -- "${SOURCE}")
     get_yaml_array FONTS ".fonts.${FILENAME%.*}[]" "$1"
-    
+
     if [ ${#FONTS[@]} -gt 0 ]; then
         bash "${SOURCE}" "${FONTS[@]}"
     fi