func (e *DownloadDirPartialError) Is(err error) bool { return err == fs.ErrNotExist }

// lockVersion locks a file within the module cache that guards the downloading
// and extraction of the zipfile for the given module version.
func lockVersion(ctx context.Context, mod module.Version) (unlock func(), err error) {
	path, err := CachePath(ctx, mod, "lock")
	if err != nil {
		return nil, err
	}

 *
 * <ul>
 *   <li>chaining methods which return a new {@code FluentIterable} based in some way on the
 *       contents of the current one (for example {@link #transform})
 *   <li>element extraction methods which facilitate the retrieval of certain elements (for example
 *       {@link #last})
 *   <li>query methods which answer questions about the {@code FluentIterable}'s contents (for
 *       example {@link #anyMatch})

 *
 * <ul>
 *   <li>chaining methods which return a new {@code FluentIterable} based in some way on the
 *       contents of the current one (for example {@link #transform})
 *   <li>element extraction methods which facilitate the retrieval of certain elements (for example
 *       {@link #last})
 *   <li>query methods which answer questions about the {@code FluentIterable}'s contents (for
 *       example {@link #anyMatch})

// patch directly; Kubernetes will take care of applying the patch.
//
// For kube-inject, we will parse out a Pod from YAML (which may involve
// extraction from higher level types like Deployment), then apply the patch
// locally.
//
// The injection logic works by first applying the rendered injection template on

		{name: "BIC", argLength: 2, reg: gp21, asm: "BIC"},                    // arg0 &^ arg1
		{name: "BICconst", argLength: 1, reg: gp11, asm: "BIC", aux: "Int32"}, // arg0 &^ auxInt

		// bit extraction, AuxInt = Width<<8 | LSB
		{name: "BFX", argLength: 1, reg: gp11, asm: "BFX", aux: "Int32"},   // extract W bits from bit L in arg0, then signed extend

      SmallVector<Value, 4> indices;
      indices.push_back(rewriter.create<arith::ConstantIndexOp>(loc, i));
      auto begin_value =
          rewriter.create<tensor::ExtractOp>(loc, begin_indices, indices);
      auto size_value = rewriter.create<tensor::ExtractOp>(loc, sizes, indices);
      Value minus_one = rewriter.create<arith::IndexCastOp>(
          loc, shape_scalar_type,
          rewriter.create<arith::ConstantIndexOp>(loc, -1));

		{name: "LoweredNilCheck", argLength: 2, reg: regInfo{inputs: []regMask{gp | sp | sb}, clobbers: tmp}, clobberFlags: true, nilCheck: true, faultOnNilArg0: true},
		// Round ops to block fused-multiply-add extraction.
		{name: "LoweredRound32F", argLength: 1, reg: fp11, resultInArg0: true, zeroWidth: true},
		{name: "LoweredRound64F", argLength: 1, reg: fp11, resultInArg0: true, zeroWidth: true},

		{name: "LoweredNilCheck", argLength: 2, reg: regInfo{inputs: []regMask{ptrsp}}, clobberFlags: true, nilCheck: true, faultOnNilArg0: true},
		// Round ops to block fused-multiply-add extraction.
		{name: "LoweredRound32F", argLength: 1, reg: fp11, resultInArg0: true, zeroWidth: true},
		{name: "LoweredRound64F", argLength: 1, reg: fp11, resultInArg0: true, zeroWidth: true},

// It returns a replacement list that reuses the same storage and
// frees (passes to p.reuse) any removed *Regexps.
//
// For example,
//
//	ABC|ABD|AEF|BCX|BCY
//
// simplifies by literal prefix extraction to
//
//	A(B(C|D)|EF)|BC(X|Y)
//
// which simplifies by character class introduction to
//
//	A(B[CD]|EF)|BC[XY]
func (p *parser) factor(sub []*Regexp) []*Regexp {
	if len(sub) < 2 {
		return sub

$PIGZ_TAR_HASH = '5a6f8f5530acc85ea51797f58c1409e5af6b69e55da243ffc608784cf14fec0cd16f74cc61c564d69e1a267750aecfc1e4c53b5219ff5f893b42a7576306f34c'

# Install Pigz (https://github.com/madler/pigz) into Windows for improved image
# extraction performance.
function Install-Pigz {
  if ("${env:WINDOWS_ENABLE_PIGZ}" -eq "true") {
    if (-not (Test-Path $PIGZ_ROOT)) {
      Log-Output "Installing Pigz $PIGZ_VERSION"