From 43b29a0547ef2d0469660fc1c37c9133f467b7ca Mon Sep 17 00:00:00 2001
From: Valentyn Korniienko
 <25596072+ValentiWorkLearning@users.noreply.github.com>
Date: Thu, 1 May 2025 17:21:36 +0300
Subject: [PATCH] Fixed empty line handling process_config.sh

This commit fixed empty line handling in the config file for being able to used KConfig-based defconfigs with the empty lines in them
---
 tools/process_config.sh | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/tools/process_config.sh b/tools/process_config.sh
index 067e65f1046..8befc557c16 100755
--- a/tools/process_config.sh
+++ b/tools/process_config.sh
@@ -56,9 +56,15 @@ process_file() {
                 exit 1
             fi
         else
-            local key_config="$(echo "$line" | cut -d= -f1)="
-            sed -i.backup "/$key_config/d" $output_file
-            echo "$line" >> $output_file
+            if [[ -n "$line" ]]; then
+                local key_config="$(echo "$line" | cut -d= -f1)="
+                sed -i.backup "/^$key_config/d" "$output_file"
+                echo "$line" >> "$output_file"
+
+                echo "Appended $line to $output_file"
+            else
+                echo "The empty line from defconfig was skipped from adding to $output_file"
+            fi
         fi
     done < "$input_file"
 }