Display singularity cache

.gitlab-ci.yml

@@ -31,6 +31,7 @@ stages:
 img_cache:
   stage: singularity
   script:
+    - export -p | grep SINGULARITY_CACHEDIR
     - >
       for container in `cat nextflow.config | grep -oP "container = \K.*" | tr -d "'" | sort | uniq`; do
         singularity pull 'docker://'${container}