usage: squash new <path> : create a new squashfs under <path>
squash pack [-f] <path> : pack a squashfs image
-f will recreate the package but keeps the symbolic link locally
squash unpack [-f] <path> : unpack a squashfs image for modification
-f will atomically update the local package
squash info <path> : squashfs information about <path>
squash rm <path> : delete a squashfs attached image and its smart link
squash relabel <path> : relable a squashfs image link e.g. after an image move in the namespace
squash roll <path> : will create a squash package from the EOS directory pointed by <path
squash unroll <path> : will store the squash package contents unpacked into the EOS package directory
squash install --curl=https://<package>.tgz|.tar.gz <path> : create a squashfs package from a web archive under <path>