forked from forgejo/forgejo
Vendor Update Go Libs (#13444)
* denisenkom/go-mssqldb untagged -> v0.9.0 * github.com/editorconfig/editorconfig-core-go v2.3.7 -> v2.3.8 * github.com/go-testfixtures/testfixtures v3.4.0 -> v3.4.1 * github.com/mholt/archiver v3.3.2 -> v3.5.0 * github.com/olivere/elastic v7.0.20 -> v7.0.21 * github.com/urfave/cli v1.22.4 -> v1.22.5 * github.com/xanzy/go-gitlab v0.38.1 -> v0.39.0 * github.com/yuin/goldmark-meta untagged -> v1.0.0 * github.com/ethantkoenig/rupture 0a76f03a811a -> c3b3b810dc77 * github.com/jaytaylor/html2text 8fb95d837f7d -> 3577fbdbcff7 * github.com/kballard/go-shellquote cd60e84ee657 -> 95032a82bc51 * github.com/msteinert/pam 02ccfbfaf0cc -> 913b8f8cdf8b * github.com/unknwon/paginater 7748a72e0141 -> 042474bd0eae * CI.restart() Co-authored-by: techknowlogick <techknowlogick@gitea.io>
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184 changed files with 12387 additions and 2975 deletions
213
vendor/github.com/pierrec/lz4/v4/options.go
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vendor/github.com/pierrec/lz4/v4/options.go
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package lz4
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import (
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"fmt"
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"github.com/pierrec/lz4/v4/internal/lz4block"
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"github.com/pierrec/lz4/v4/internal/lz4errors"
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"reflect"
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"runtime"
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)
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//go:generate go run golang.org/x/tools/cmd/stringer -type=BlockSize,CompressionLevel -output options_gen.go
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type (
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applier interface {
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Apply(...Option) error
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private()
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}
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// Option defines the parameters to setup an LZ4 Writer or Reader.
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Option func(applier) error
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)
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// String returns a string representation of the option with its parameter(s).
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func (o Option) String() string {
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return o(nil).Error()
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}
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// Default options.
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var (
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DefaultBlockSizeOption = BlockSizeOption(Block4Mb)
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DefaultChecksumOption = ChecksumOption(true)
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DefaultConcurrency = ConcurrencyOption(1)
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defaultOnBlockDone = OnBlockDoneOption(nil)
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)
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const (
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Block64Kb BlockSize = 1 << (16 + iota*2)
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Block256Kb
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Block1Mb
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Block4Mb
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)
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// BlockSizeIndex defines the size of the blocks to be compressed.
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type BlockSize uint32
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// BlockSizeOption defines the maximum size of compressed blocks (default=Block4Mb).
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func BlockSizeOption(size BlockSize) Option {
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return func(a applier) error {
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switch w := a.(type) {
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case nil:
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s := fmt.Sprintf("BlockSizeOption(%s)", size)
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return lz4errors.Error(s)
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case *Writer:
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size := uint32(size)
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if !lz4block.IsValid(size) {
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return fmt.Errorf("%w: %d", lz4errors.ErrOptionInvalidBlockSize, size)
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}
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w.frame.Descriptor.Flags.BlockSizeIndexSet(lz4block.Index(size))
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return nil
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}
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return lz4errors.ErrOptionNotApplicable
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}
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}
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// BlockChecksumOption enables or disables block checksum (default=false).
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func BlockChecksumOption(flag bool) Option {
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return func(a applier) error {
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switch w := a.(type) {
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case nil:
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s := fmt.Sprintf("BlockChecksumOption(%v)", flag)
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return lz4errors.Error(s)
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case *Writer:
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w.frame.Descriptor.Flags.BlockChecksumSet(flag)
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return nil
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}
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return lz4errors.ErrOptionNotApplicable
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}
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}
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// ChecksumOption enables/disables all blocks or content checksum (default=true).
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func ChecksumOption(flag bool) Option {
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return func(a applier) error {
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switch w := a.(type) {
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case nil:
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s := fmt.Sprintf("ChecksumOption(%v)", flag)
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return lz4errors.Error(s)
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case *Writer:
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w.frame.Descriptor.Flags.ContentChecksumSet(flag)
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return nil
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}
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return lz4errors.ErrOptionNotApplicable
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}
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}
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// SizeOption sets the size of the original uncompressed data (default=0). It is useful to know the size of the
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// whole uncompressed data stream.
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func SizeOption(size uint64) Option {
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return func(a applier) error {
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switch w := a.(type) {
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case nil:
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s := fmt.Sprintf("SizeOption(%d)", size)
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return lz4errors.Error(s)
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case *Writer:
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w.frame.Descriptor.Flags.SizeSet(size > 0)
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w.frame.Descriptor.ContentSize = size
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return nil
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}
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return lz4errors.ErrOptionNotApplicable
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}
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}
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// ConcurrencyOption sets the number of go routines used for compression.
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// If n <= 0, then the output of runtime.GOMAXPROCS(0) is used.
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func ConcurrencyOption(n int) Option {
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if n <= 0 {
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n = runtime.GOMAXPROCS(0)
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}
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return func(a applier) error {
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switch rw := a.(type) {
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case nil:
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s := fmt.Sprintf("ConcurrencyOption(%d)", n)
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return lz4errors.Error(s)
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case *Writer:
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rw.num = n
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return nil
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case *Reader:
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rw.num = n
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return nil
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}
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return lz4errors.ErrOptionNotApplicable
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}
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}
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// CompressionLevel defines the level of compression to use. The higher the better, but slower, compression.
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type CompressionLevel uint32
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const (
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Fast CompressionLevel = 0
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Level1 CompressionLevel = 1 << (8 + iota)
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Level2
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Level3
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Level4
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Level5
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Level6
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Level7
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Level8
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Level9
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)
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// CompressionLevelOption defines the compression level (default=Fast).
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func CompressionLevelOption(level CompressionLevel) Option {
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return func(a applier) error {
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switch w := a.(type) {
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case nil:
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s := fmt.Sprintf("CompressionLevelOption(%s)", level)
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return lz4errors.Error(s)
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case *Writer:
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switch level {
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case Fast, Level1, Level2, Level3, Level4, Level5, Level6, Level7, Level8, Level9:
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default:
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return fmt.Errorf("%w: %d", lz4errors.ErrOptionInvalidCompressionLevel, level)
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}
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w.level = lz4block.CompressionLevel(level)
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return nil
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}
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return lz4errors.ErrOptionNotApplicable
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}
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}
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func onBlockDone(int) {}
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// OnBlockDoneOption is triggered when a block has been processed. For a Writer, it is when is has been compressed,
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// for a Reader, it is when it has been uncompressed.
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func OnBlockDoneOption(handler func(size int)) Option {
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if handler == nil {
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handler = onBlockDone
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}
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return func(a applier) error {
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switch rw := a.(type) {
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case nil:
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s := fmt.Sprintf("OnBlockDoneOption(%s)", reflect.TypeOf(handler).String())
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return lz4errors.Error(s)
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case *Writer:
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rw.handler = handler
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return nil
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case *Reader:
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rw.handler = handler
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return nil
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}
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return lz4errors.ErrOptionNotApplicable
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}
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}
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// LegacyOption provides support for writing LZ4 frames in the legacy format.
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//
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// See https://github.com/lz4/lz4/blob/dev/doc/lz4_Frame_format.md#legacy-frame.
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//
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// NB. compressed Linux kernel images use a tweaked LZ4 legacy format where
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// the compressed stream is followed by the original (uncompressed) size of
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// the kernel (https://events.static.linuxfound.org/sites/events/files/lcjpcojp13_klee.pdf).
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// This is also supported as a special case.
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func LegacyOption(legacy bool) Option {
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return func(a applier) error {
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switch rw := a.(type) {
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case nil:
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s := fmt.Sprintf("LegacyOption(%v)", legacy)
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return lz4errors.Error(s)
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case *Writer:
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rw.legacy = legacy
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return nil
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}
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return lz4errors.ErrOptionNotApplicable
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}
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}
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