only:longer variable names to facilitate code navigation

.github/workflows/build-firmware.yaml

@@ -190,8 +190,8 @@ jobs:
     - name: Set Build Env Variables
       working-directory: ./firmware/
       run: |
-        echo LTS=${{toJSON(inputs.lts)}} >> $GITHUB_ENV
-        echo REF=${{github.ref_name}} >> $GITHUB_ENV
+        echo AUTOMATION_LTS=${{toJSON(inputs.lts)}} >> $GITHUB_ENV
+        echo AUTOMATION_REF=${{github.ref_name}} >> $GITHUB_ENV
         echo BOARD_META_PATH=${{matrix.meta-info}} >> $GITHUB_ENV
 
     - name: Git Status

firmware/bin/upload_bundle.sh

@@ -33,8 +33,8 @@ mkdir ${bundle_upload_folder}
 SSHCMD
 
  RET=0
- if [ "$LTS" == "true" -a -n "$REF" ]; then
-   DESTINATION_FOLDER="${bundle_upload_folder}/lts/${REF}"
+ if [ "$AUTOMATION_LTS" == "true" -a -n "$AUTOMATION_REF" ]; then
+   DESTINATION_FOLDER="${bundle_upload_folder}/lts/${AUTOMATION_REF}"
      # sftp does not support -p flag on mkdir :(
      sshpass -p $PASS sftp -o StrictHostKeyChecking=no ${USER}@${HOST} <<SSHCMD
 mkdir ${bundle_upload_folder}/lts