chore: remove refs to deprecated io/ioutil

bencode/both_test.go

@@ -2,7 +2,7 @@ package bencode
 
 import (
 	"bytes"
-	"io/ioutil"
+	"os"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -10,7 +10,7 @@ import (
 )
 
 func loadFile(name string, t *testing.T) []byte {
-	data, err := ioutil.ReadFile(name)
+	data, err := os.ReadFile(name)
 	require.NoError(t, err)
 	return data
 }

cmd/torrent-pick/main.go

@@ -5,7 +5,6 @@ import (
 	"bufio"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
 	"net"
 	"net/http"
@@ -107,7 +106,7 @@ func main() {
 		return
 	}
 
-	tmpdir, err := ioutil.TempDir("", "torrent-pick-")
+	tmpdir, err := os.MkdirTemp("", "torrent-pick-")
 	if err != nil {
 		log.Fatal(err)
 	}

internal/testutil/greeting.go

@@ -6,7 +6,6 @@
 package testutil
 
 import (
-	"io/ioutil"
 	"os"
 	"path/filepath"
 
@@ -41,7 +40,7 @@ func GreetingMetaInfo() *metainfo.MetaInfo {
 // and a corresponding metainfo describing it. The temporary directory can be
 // cleaned away with os.RemoveAll.
 func GreetingTestTorrent() (tempDir string, metaInfo *metainfo.MetaInfo) {
-	tempDir, err := ioutil.TempDir(os.TempDir(), "")
+	tempDir, err := os.MkdirTemp(os.TempDir(), "")
 	if err != nil {
 		panic(err)
 	}

internal/testutil/spec.go

@@ -2,7 +2,6 @@ package testutil
 
 import (
 	"io"
-	"io/ioutil"
 	"strings"
 
 	"github.com/anacrolix/missinggo/expect"
@@ -53,7 +52,7 @@ func (t *Torrent) Info(pieceLength int64) metainfo.Info {
 		}
 	}
 	err := info.GeneratePieces(func(fi metainfo.FileInfo) (io.ReadCloser, error) {
-		return ioutil.NopCloser(strings.NewReader(t.GetFile(strings.Join(fi.Path, "/")).Data)), nil
+		return io.NopCloser(strings.NewReader(t.GetFile(strings.Join(fi.Path, "/")).Data)), nil
 	})
 	expect.Nil(err)
 	return info

issue211_test.go

@@ -5,7 +5,6 @@ package torrent
 
 import (
 	"io"
-	"io/ioutil"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -38,5 +37,5 @@ func TestDropTorrentWithMmapStorageWhileHashing(t *testing.T) {
 
 	r := tt.NewReader()
 	go tt.Drop()
-	io.Copy(ioutil.Discard, r)
+	io.Copy(io.Discard, r)
 }

metainfo/metainfo_test.go

@@ -2,7 +2,6 @@ package metainfo
 
 import (
 	"io"
-	"io/ioutil"
 	"os"
 	"path"
 	"path/filepath"
@@ -68,7 +67,7 @@ func TestNumPieces(t *testing.T) {
 			PieceLength: _case.PieceLength,
 		}
 		err := info.GeneratePieces(func(fi FileInfo) (io.ReadCloser, error) {
-			return ioutil.NopCloser(missinggo.ZeroReader), nil
+			return io.NopCloser(missinggo.ZeroReader), nil
 		})
 		assert.NoError(t, err)
 		assert.EqualValues(t, _case.NumPieces, info.NumPieces())

mse/mse.go

@@ -12,7 +12,6 @@ import (
 	"expvar"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"math"
 	"math/big"
 	"strconv"
@@ -409,7 +408,7 @@ func (h *handshake) initerSteps() (ret io.ReadWriter, selected CryptoMethod, err
 	if err != nil {
 		return
 	}
-	_, err = io.CopyN(ioutil.Discard, r, int64(padLen))
+	_, err = io.CopyN(io.Discard, r, int64(padLen))
 	if err != nil {
 		return
 	}
@@ -474,7 +473,7 @@ func (h *handshake) receiverSteps() (ret io.ReadWriter, chosen CryptoMethod, err
 	}
 	cryptoProvidesCount.Add(strconv.FormatUint(uint64(provides), 16), 1)
 	chosen = h.chooseMethod(provides)
-	_, err = io.CopyN(ioutil.Discard, r, int64(padLen))
+	_, err = io.CopyN(io.Discard, r, int64(padLen))
 	if err != nil {
 		return
 	}

mse/mse_test.go

@@ -5,7 +5,6 @@ import (
 	"crypto/rand"
 	"crypto/rc4"
 	"io"
-	"io/ioutil"
 	"net"
 	"sync"
 	"testing"
@@ -131,7 +130,7 @@ func (tr *trackReader) Read(b []byte) (n int, err error) {
 
 func TestReceiveRandomData(t *testing.T) {
 	tr := trackReader{rand.Reader, 0}
-	_, _, err := ReceiveHandshake(readWriter{&tr, ioutil.Discard}, nil, DefaultCryptoSelector)
+	_, _, err := ReceiveHandshake(readWriter{&tr, io.Discard}, nil, DefaultCryptoSelector)
 	// No skey matches
 	require.Error(t, err)
 	// Establishing S, and then reading the maximum padding for giving up on

storage/piece-resource.go

@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"path"
 	"sort"
 	"strconv"
@@ -141,7 +140,7 @@ func (s piecePerResourcePiece) MarkComplete() error {
 		if ccr, ok := s.rp.(ConsecutiveChunkReader); ok {
 			return ccr.ReadConsecutiveChunks(s.incompleteDirPath() + "/")
 		}
-		return ioutil.NopCloser(io.NewSectionReader(incompleteChunks, 0, s.mp.Length())), nil
+		return io.NopCloser(io.NewSectionReader(incompleteChunks, 0, s.mp.Length())), nil
 	}()
 	if err != nil {
 		return fmt.Errorf("getting incomplete chunks reader: %w", err)

test/transfer_test.go

@@ -2,7 +2,6 @@ package test
 
 import (
 	"io"
-	"io/ioutil"
 	"os"
 	"sync"
 	"testing"
@@ -46,7 +45,7 @@ func newFileCacheClientStorageFactory(ps fileCacheClientStorageFactoryParams) St
 				storage.ResourcePiecesOpts{
 					Capacity: sharedCapacity,
 				}),
-			ioutil.NopCloser(nil),
+			io.NopCloser(nil),
 		}
 	}
 }

tracker/udp_test.go

@@ -6,7 +6,7 @@ import (
 	"crypto/rand"
 	"errors"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net"
 	"net/url"
 	"sync"
@@ -179,7 +179,7 @@ func TestURLPathOption(t *testing.T) {
 	r = bytes.NewReader(b[:n])
 	udp.Read(r, &h)
 	udp.Read(r, &AnnounceRequest{})
-	all, _ := ioutil.ReadAll(r)
+	all, _ := io.ReadAll(r)
 	if string(all) != "\x02\x09/announce" {
 		t.FailNow()
 	}