Adding cleaning test

.gitignore

@@ -2,6 +2,7 @@
 .idea
 *.log
 spack_*.json
+spack-*.json
 tmp/
 .spack-env
 compiler_definitions.yaml

.gitlab-ci.yml

@@ -136,8 +136,10 @@ spack:install_compilers:
     - .parallel_job
   script:
     - ci/install_compilers.sh
+
     - source ci/stack_env.sh
     - ${STACK_LOCATION}/spack/bin/spack --color always -e ${environment} config blame compilers
+
     - ${CI_PROJECT_DIR}/ci/update_squashfs.sh
   artifacts:
     reports:
@@ -195,3 +197,16 @@ spack:mksquashfs:
   timeout: 1h
   rules:
     - if: $CI_COMMIT_TAG && $CI_COMMIT_TAG =~ /v[0-9]+.*/
+
+post_cleaning:
+  stage: .post
+  variables:
+    APPTAINER_EXEC_OPTIONS: >-
+      --cleanenv
+      --bind ${CI_DATA_LT}
+      --bind ${CI_DATA_ST}
+      --bind ${CI_DATA_LT}
+  extends:
+    - .parallel_definition
+  scripts:
+    - ./ci/cleaning_fs.sh

ci/cleaning_fs.sh

+#!/usr/bin/env sh
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+for i in $(ls -1d ${CI_DATA_ST}/overlayfs/*-${environment}-${stack}-${SQUASHFS_ID}-*)
+do
+    id=$(echo $i | sed -e "s/.*-\([0-9]\+\)\(-[a-z0-9]\+\)\?/\1/")
+    if [ $id -le ${CI_PIPELINE_ID} ]
+    then
+        echo "Cleaning $i"
+    fi
+done