add_path.sh: Fix reuse the script

diff --git a/add_path.sh b/add_path.sh
index 71257aa77af8129cb16d9408739c132b3773d813..bfc27bb49fa1541222183183a5f64cb17bbd66c3 100644 (file)
--- a/add_path.sh
+++ b/add_path.sh
@@ -9,6 +9,7 @@
 if [ -z ${IDF_PATH} ]; then
        echo "IDF_PATH must be set before including this script."
 else
+       IDF_ADD_PATHS_EXTRAS=
        IDF_ADD_PATHS_EXTRAS="${IDF_ADD_PATHS_EXTRAS}:${IDF_PATH}/components/esptool_py/esptool"
        IDF_ADD_PATHS_EXTRAS="${IDF_ADD_PATHS_EXTRAS}:${IDF_PATH}/components/espcoredump"
        IDF_ADD_PATHS_EXTRAS="${IDF_ADD_PATHS_EXTRAS}:${IDF_PATH}/components/partition_table/"