encapsulated srw_tarball in function for better clarity
encapsulated srw_tarball in function for better clarity

elventear/containers,radiasoft/fedora-container,radiasoft/fedora-container,radiasoft/fedora-container,elventear/containers,radiasoft/fedora-container,radiasoft/containers,radiasoft/fedora-container,radiasoft/containers,radiasoft/fedora-container,elventear/containers,radiasoft/containers,elventear/containers