Why is the variable not set

ci/prepare_squashfs.sh

@@ -18,20 +18,20 @@ do
 done
 
 
-image_name=${stack}-${environment}-${squash_id}-${CI_PIPELINE_ID}
+image_name=${stack}-${environment}-${SQUASHFS_ID}-${CI_PIPELINE_ID}
 
 set +o errexit
 # Check if MR as squashfs
 sqfs_image=$(ls -t1 ${CI_DATA_LT}/squashfs-cache/${image_name}.sqfs 2> /dev/null | head -1)
 if [ $? -ne 0 ]
 then
-    echo "No MR ($squash_id-${CI_PIPELINE_ID}) squashfs found"
+    echo "No MR ($SQUASHFS_ID-${CI_PIPELINE_ID}) squashfs found"
 
     # look for base in the branch
-    sqfs_base_image=$(ls -t1 ${CI_DATA_LT}/squashfs-cache/${stack}-${environment}-${squash_id}.sqfs 2> /dev/null | head -1)
+    sqfs_base_image=$(ls -t1 ${CI_DATA_LT}/squashfs-cache/${stack}-${environment}-${SQUASHFS_ID}.sqfs 2> /dev/null | head -1)
     if [ $? -ne 0 ]
     then
-        echo "No MR ($squash_id) squashfs found"
+        echo "No MR ($SQUASHFS_ID) squashfs found"
 
         # look for base in default branch
         sqfs_base_image=$(ls -t1 ${CI_DATA_LT}/squashfs-cache/${stack}-${environment}-${squash_base}*.sqfs 2> /dev/null | head -1)

ci/stack_env.sh

@@ -77,7 +77,5 @@ else
    squash_base=main
 fi
 
-# backward compat
-export squash_id=${SQUASHFS_ID}
 
 set -o nounset