if str.HasFilePathPrefix(filepath.Clean(srcDir), filepath.Clean(parent)) {
		return nil
	}

	// Look for symlinks before reporting error.
	srcDir = expandPath(srcDir)
	parent = expandPath(parent)
	if str.HasFilePathPrefix(filepath.Clean(srcDir), filepath.Clean(parent)) {
		return nil
	}

	// Vendor is present, and srcDir is outside parent's tree. Not allowed.

  fi
}

# Creates a symlink for a ($1) so that it may be used as block storage
function safe-block-symlink(){
  local device="${1}"
  local symdir="${2}"

  mkdir -p "${symdir}"

  get-or-generate-uuid "${device}"
  local myuuid="${retuuid}"

  local sym="${symdir}/local-ssd-${myuuid}"
  # Do not "mkdir -p ${sym}" as that will cause unintended symlink behavior
  ln -s "${device}" "${sym}"

	EEXIST      = syscall.Errno(0x11)
	EFAULT      = syscall.Errno(0xe)
	EFBIG       = syscall.Errno(0x1b)
	EINTR       = syscall.Errno(0x4)
	EINVAL      = syscall.Errno(0x16)
	EIO         = syscall.Errno(0x5)
	EISDIR      = syscall.Errno(0x15)
	EMFILE      = syscall.Errno(0x18)
	EMLINK      = syscall.Errno(0x1f)
	ENFILE      = syscall.Errno(0x17)
	ENODEV      = syscall.Errno(0x13)
	ENOENT      = syscall.Errno(0x2)