chmod 775 cached images

.gitlab-ci.yml

@@ -34,6 +34,7 @@ img_cache:
   script:
     - export -p | grep SINGULARITY_CACHEDIR
     - cat nextflow.config | grep -oP "container = \K.*" | tr -d "'" | sort | uniq | xargs -P 10 -I {} singularity pull --dir ${dir} 'docker://'{} || true
+    - chmod 775 ${dir}*.sif
 
 collect:
   stage: versions