create a symbolic link inside the repository called `newLinkName`, the symlink will point to `toLinkPath` newLinkName: comes without the /cvmfs/$REPO/ prefix toLinkPath: comes without the /cvmfs/$REPO/ prefix.

with image and layer we pass the digest of the layer and the digest of the image, both without the sha256: prefix.

ingest into the repository, inside the subpath, the target (directory or file) object CVMFSRepo: just the name of the repository (ex: unpacked.cern.ch) path: the path inside the repository, without the prefix (ex: .foo/bar/baz), where to put the ingested target target: the path of the target in the normal FS, the thing to ingest if no error is returned, we remove the target from the FS.

from /cvmfs/$REPO/foo/bar -> foo/bar.