cmd := exec.Command(
		"codesign",
		"-f",
		"-s", devID,
		"--entitlements", entitlementsPath,
		appdir,
	)
	if debug {
		log.Println(strings.Join(cmd.Args, " "))
	}
	cmd.Stdout = os.Stdout
	cmd.Stderr = os.Stderr
	if err := cmd.Run(); err != nil {
		return fmt.Errorf("codesign: %v", err)
	}
	return nil
}

  chmod +x "$2"

  # Make a copy named just "ztunnel" in the same directory (overwrite if necessary).
  echo "Copying $2 to $(dirname "$2")/${3}"
  cp -f "$2" "$(dirname "$2")/${3}"
  popd

  # Also copy it to out/$os_arch/ztunnel as that's whats used in the build
  echo "Copying '${2}' to ${TARGET_OUT_LINUX}/ztunnel"
  cp -f "${2}" "${TARGET_OUT_LINUX}/ztunnel"
}

function maybe_build_ztunnel() {

ISTIO_ENVOY_NATIVE_PATH=${ISTIO_ENVOY_LINUX_RELEASE_PATH}

# Copy native envoy binary to TARGET_OUT
echo "Copying ${ISTIO_ENVOY_NATIVE_PATH} to ${TARGET_OUT}/${SIDECAR}"
cp -f "${ISTIO_ENVOY_NATIVE_PATH}" "${TARGET_OUT}/${SIDECAR}"

# Copy the envoy binary to TARGET_OUT_LINUX if the local OS is not Linux
if [[ "$GOOS_LOCAL" != "linux" ]]; then
   echo "Copying ${ISTIO_ENVOY_LINUX_RELEASE_PATH} to ${TARGET_OUT_LINUX}/${SIDECAR}"

		// If we add a file in the overlay, we don't want to add it in the original.
		if info.IsDir() {
			return os.MkdirAll(dstPath, perm|0200)
		}

		// If the OS supports symlinks, use them instead of copying bytes.
		if err := os.Symlink(srcPath, dstPath); err == nil {
			return nil
		}

		// Otherwise, copy the bytes.
		src, err := os.Open(srcPath)
		if err != nil {
			return err
		}
		defer src.Close()

  }

  @Override
  public ImmutableMap<C, Map<R, V>> columnMap() {
    // Casts without copying.
    ImmutableMap<C, ImmutableMap<R, V>> columnMap = this.columnMap;
    return ImmutableMap.<C, Map<R, V>>copyOf(columnMap);
  }

  @Override
  public ImmutableMap<R, Map<C, V>> rowMap() {
    // Casts without copying.
    ImmutableMap<R, ImmutableMap<C, V>> rowMap = this.rowMap;

  std::unique_ptr<char[]> buffer(new char[kPosixCopyFileBufferSize]);

  off_t offset = 0;
  int bytes_transferred = 0;
  int rc = 1;
  // When `sendfile` returns 0 we stop copying and let callers handle this.
  while (offset < size && rc > 0) {
    size_t chunk = size - offset;
    if (chunk > kPosixCopyFileBufferSize) chunk = kPosixCopyFileBufferSize;

    rc = read(src_fd, buffer.get(), chunk);

import java.nio.charset.CodingErrorAction;
import java.util.Arrays;

/**
 * An {@link InputStream} that converts characters from a {@link Reader} into bytes using an
 * arbitrary Charset.
 *
 * <p>This is an alternative to copying the data to an {@code OutputStream} via a {@code Writer},
 * which is necessarily blocking. By implementing an {@code InputStream} it allows consumers to

([#62047](https://go.dev/issue/62047)).
Distributions that install the `go` command to a location other than
`$GOROOT/bin/go` should install a symlink instead of relocating
or copying the `go` binary.

### Vet {#vet}

The `go vet` subcommand now includes the
[stdversion](https://beta.pkg.go.dev/golang.org/x/tools/go/analysis/passes/stdversion)

            Files.createDirectories(destination.toPath().getParent());
            Files.copy(file.toPath(), destination.toPath());
        } catch (IOException e) {
            throw new RepositoryMetadataStoreException("Error copying POM to the local repository.", e);
        }
    }

    public String toString() {
        return "project information for " + artifact.getArtifactId() + " " + artifact.getVersion();
    }

// This method uses `sendfile` specific to linux after 2.6.33.
int CopyFileContents(int dst_fd, int src_fd, off_t size) {
  off_t offset = 0;
  int bytes_transferred = 0;
  int rc = 1;
  // When `sendfile` returns 0 we stop copying and let callers handle this.
  while (offset < size && rc > 0) {
    // Use uint64 for safe compare SSIZE_MAX
    uint64_t chunk = size - offset;
    if (chunk > SSIZE_MAX) chunk = SSIZE_MAX;