From a93e3dff253726cfba93209afda354da679f650f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Ga=C5=88o?= <ganomartin@gmail.com>
Date: Fri, 26 Nov 2021 15:16:47 +0100
Subject: [PATCH] Avoid exception messages while autocomplete initialization in
 export.sh

---
 export.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/export.sh b/export.sh
index c3d4617ba0..5e9a65ba02 100644
--- a/export.sh
+++ b/export.sh
@@ -156,9 +156,12 @@ enable_autocomplete() {
         eval "$(env _IDF.PY_COMPLETE=$SOURCE_ZSH idf.py)" || echo "WARNING: Failed to load shell autocompletion for zsh version: $ZSH_VERSION!"
     elif [ -n "${BASH_SOURCE-}" ]
     then
-        eval "$(env LANG=en _IDF.PY_COMPLETE=$SOURCE_BASH idf.py)"  || echo "WARNING: Failed to load shell autocompletion for bash version: $BASH_VERSION!"
+        WARNING_MSG="WARNING: Failed to load shell autocompletion for bash version: $BASH_VERSION!"
+        [[ ${BASH_VERSINFO[0]} -lt 4 ]] && { echo "$WARNING_MSG"; return; }
+        eval "$(env LANG=en _IDF.PY_COMPLETE=$SOURCE_BASH idf.py)"  || echo "$WARNING_MSG"
     fi
 
+    unset WARNING_MSG
     unset SOURCE_ZSH
     unset SOURCE_BASH