Suffix reset in other script

ci/update_squashfs.sh

 #!/usr/bin/env sh
 
+set -o nounset
 set -o errexit
 set -o pipefail
 
+source ${CI_PROJECT_DIR}/ci/stack_env.sh
+
+sqfs_suffix="${CI_PIPELINE_ID}-$(date +%Y%m%d_%H%M)"
+
 if [ $# -eq 1 ]
 then
-    suffix=$1
-else
-    suffix=${CI_PIPELINE_ID}-$(date +'%Y%m%d_%H%M')
+  sqfs_suffix=$1
+  echo "Got 1 argument"
 fi
 
-
-set -o nounset
-
-
-
-source ${CI_PROJECT_DIR}/ci/stack_env.sh
-
-jq -Mrc '
+excludes=$(jq -Mrc '
 .spack.mirrors
   | to_entries
   | map(select(.value.type="relative"))
   | map("\(.value.url)")
   | .[]
-' ${STACK_CONFIG} > excludes.list
+' ${STACK_CONFIG})
 
+echo $excludes > excludes.list
 echo buildcache >> excludes.list
-
 cd /squashfs-cache
 
-mksquashfs \
-    ${MOUNT_POINT} \
-    ${stack}-${environment}-${SQUASHFS_ID}-${suffix}.sqfs \
-    -ef ${CI_PROJECT_DIR}/excludes.list \
+mksquashfs ${MOUNT_POINT} ${stack}-${environment}-${SQUASHFS_ID}-${sqfs_suffix}.sqfs -ef ${CI_PROJECT_DIR}/excludes.list
 
 cd -