local -r checkSHA=$(sha256sum "${download_dir}/corefile-tool-${host_arch}" | cut -d " " -f 1)
  if [[ "${checkSHA}" != "${corefile_tool_SHA}" ]]; then
    echo "!!! CheckSum for the CoreDNS migration tool did not match !!!" >&2
    exit 1
  fi

  chmod +x "${download_dir}/corefile-tool-${host_arch}"

     * <ul>
     *     <li><i>strict</i>, the default, verification is enabled as soon as a dependency verification file is present.</li>
     *     <li><i>lenient</i>, in this mode, failure to verify a checksum, missing checksums or signatures will be logged
     *     but will not fail the build. This mode should only be used when updating dependencies as it is inherently unsafe.</li>

	_ "github.com/envoyproxy/go-control-plane/contrib/envoy/extensions/config/v3alpha"
	_ "github.com/envoyproxy/go-control-plane/contrib/envoy/extensions/filters/http/checksum/v3alpha"
	_ "github.com/envoyproxy/go-control-plane/contrib/envoy/extensions/filters/http/dynamo/v3"
	_ "github.com/envoyproxy/go-control-plane/contrib/envoy/extensions/filters/http/golang/v3alpha"

	EncodingType string `xml:"EncodingType,omitempty"`
}

// Part container for part metadata.
type Part struct {
	PartNumber   int
	LastModified string
	ETag         string
	Size         int64

	// Checksum values
	ChecksumCRC32  string `xml:"ChecksumCRC32,omitempty"`
	ChecksumCRC32C string `xml:"ChecksumCRC32C,omitempty"`
	ChecksumSHA1   string `xml:"ChecksumSHA1,omitempty"`

	}

	h := cache.NewHash("moduleIndex")
	// TODO(bcmills): Since modules in the index are checksummed, we could
	// probably improve the cache hit rate by keying off of the module
	// path@version (perhaps including the checksum?) instead of the module root
	// directory.
	fmt.Fprintf(h, "module index %s %s %v\n", runtime.Version(), indexVersion, modroot)
	return h.Sum(), nil
}

const modTimeCutoff = 2 * time.Second

// lexically could have provided the package but did not.
//
// If skipModFile is true, the go.mod file for the package is not loaded. This
// allows 'go mod tidy' to preserve a minor checksum-preservation bug
// (https://go.dev/issue/56222) for modules with 'go' versions between 1.17 and
// 1.20, preventing unnecessary go.sum churn and network access in those
// modules.

		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequestParameter), r.URL)
		return
	} else if checksumType.IsSet() && !checksumType.Is(hash.ChecksumTrailing) {
		opts.WantChecksum = &hash.Checksum{Type: checksumType}
	}

	newMultipartUpload := objectAPI.NewMultipartUpload

	res, err := newMultipartUpload(ctx, bucket, object, opts)
	if err != nil {

			for i, disk := range outDatedDisks {
				if disk == OfflineDisk {
					continue
				}

				// A non-nil stale disk which did not receive
				// a healed part checksum had a write error.
				if writers[i] == nil {
					outDatedDisks[i] = nil
					disksToHealCount--
					continue
				}

				partsMetadata[i].DataDir = dstDataDir

	}
	if b := getClusterMetaInfo(ctx); len(b) > 0 {
		internalLogIf(ctx, embedFileInZip(zipWriter, "cluster.info", b, 0o600))
	}

	return
}

// VerifyBinary - asks remote peers to verify the checksum
func (sys *NotificationSys) VerifyBinary(ctx context.Context, u *url.URL, sha256Sum []byte, releaseInfo string, bin []byte) []NotificationPeerErr {
	// FIXME: network calls made in this manner such as one goroutine per node,

		gotIdx = <-indexCh
		return gotIdx
	}
}

// compressSelfTest performs a self-test to ensure that compression
// algorithms completes a roundtrip. If any algorithm
// produces an incorrect checksum it fails with a hard error.
//
// compressSelfTest tries to catch any issue in the compression implementation
// early instead of silently corrupting data.
func compressSelfTest() {
	// 4 MB block.