Revert back changes done for test

Author: kar-rahul-aws

.github/workflows/coverity_scan.yml

@@ -3,8 +3,6 @@ on:
   # Run on every commit to mainline
   push:
     branches: main
-  pull_request:
-    branches: main
   # Allow manual running of the scan
   workflow_dispatch:
 
@@ -44,10 +42,22 @@ jobs:
           # ${{ env.stepName }}
           echo -e "::group::${{ env.bashInfo }} ${{ env.stepName }} ${{ env.bashEnd }}"
 
-          wget --verbose -O- https://scan.coverity.com/download/linux64 --post-data "token=${COVERITY_TOKEN}&project=FreeRTOS-Kernel" | tar -zx --one-top-level=cov_scan -C "$HOME"
-          echo "cov_scan_path=$HOME/cov_scan/bin" >> $GITHUB_ENV
-          echo "::endgroup::"
-          echo -e "${{ env.bashPass }} ${{ env.stepName }} ${{ env.bashEnd }} "
+          wget -nv -q -O "$HOME/cov-analysis.tar.gz" https://scan.coverity.com/download/linux64 --post-data="token=${COVERITY_TOKEN}&project=FreeRTOS-Kernel"
+          
+          EXPECTED_MD5="e4418004b073140d67390cffba79c3b2"
+          GENERATED_MD5=$(md5sum "$HOME/cov-analysis.tar.gz" | awk '{print $1}')
+
+          if [ "$GENERATED_MD5" = "$EXPECTED_MD5" ]; then
+            tar -zxf "$HOME/cov-analysis.tar.gz" --one-top-level=cov_scan -C "$HOME"            
+            echo "cov_scan_path=$HOME/cov_scan/bin" >> $GITHUB_ENV
+            sudo rm -f "$HOME/cov-analysis.tar.gz"
+            echo "::endgroup::"
+            echo -e "${{ env.bashPass }} ${{ env.stepName }} ${{ env.bashEnd }} "
+          else
+            echo -e "${{ env.bashFail }} MD5 checksum verification failed for cov-analysis.tar.gz ${{ env.bashEnd }}"
+            echo -e "${{ env.bashFail }} ${{ env.stepName }} ${{ env.bashEnd }}"
+            exit -1            
+          fi
 
       - env:
           stepName: Coverity Build