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.

# $2: absolute destination dir
function copy-manifests {
  local -r src_dir="$1"
  local -r dst_dir="$2"
  if [[ ! -d "${dst_dir}" ]]; then
    mkdir -p "${dst_dir}"
  fi
  if [[ -n "$(ls "${src_dir}"/*.yaml 2>/dev/null)" ]]; then
    cp "${src_dir}/"*.yaml "${dst_dir}"
  fi
  if [[ -n "$(ls "${src_dir}"/*.json 2>/dev/null)" ]]; then
    cp "${src_dir}/"*.json "${dst_dir}"
  fi

	if r1 == 0 {
		err = errnoErr(e1)
	}
	return
}

func CopySid(destSidLen uint32, destSid *SID, srcSid *SID) (err error) {
	r1, _, e1 := syscall.Syscall(procCopySid.Addr(), 3, uintptr(destSidLen), uintptr(unsafe.Pointer(destSid)), uintptr(unsafe.Pointer(srcSid)))
	if r1 == 0 {
		err = errnoErr(e1)
	}
	return
}