chore: remove refs to deprecated io/ioutil

Signed-off-by: guoguangwu <guoguangwu@magic-shield.com>

archive/tar/reader.go

@@ -7,7 +7,6 @@ package tar
 import (
 	"bytes"
 	"io"
-	"io/ioutil"
 	"strconv"
 	"strings"
 	"time"
@@ -140,7 +139,7 @@ func (tr *Reader) next() (*Header, error) {
 			continue // This is a meta header affecting the next header
 		case TypeGNULongName, TypeGNULongLink:
 			format.mayOnlyBe(FormatGNU)
-			realname, err := ioutil.ReadAll(tr)
+			realname, err := io.ReadAll(tr)
 			if err != nil {
 				return nil, err
 			}
@@ -334,7 +333,7 @@ func mergePAX(hdr *Header, paxHdrs map[string]string) (err error) {
 // parsePAX parses PAX headers.
 // If an extended header (type 'x') is invalid, ErrHeader is returned
 func parsePAX(r io.Reader) (map[string]string, error) {
-	buf, err := ioutil.ReadAll(r)
+	buf, err := io.ReadAll(r)
 	if err != nil {
 		return nil, err
 	}
@@ -916,7 +915,7 @@ func discard(tr *Reader, n int64) error {
 		}
 	}
 
-	copySkipped, err = io.CopyN(ioutil.Discard, r, n-seekSkipped)
+	copySkipped, err = io.CopyN(io.Discard, r, n-seekSkipped)
 out:
 	if err == io.EOF && seekSkipped+copySkipped < n {
 		err = io.ErrUnexpectedEOF

archive/tar/reader_test.go

@@ -10,7 +10,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"math"
 	"os"
 	"path"
@@ -773,7 +772,7 @@ func TestReadTruncation(t *testing.T) {
 		"testdata/pax-path-hdr.tar",
 		"testdata/sparse-formats.tar",
 	} {
-		buf, err := ioutil.ReadFile(p)
+		buf, err := os.ReadFile(p)
 		if err != nil {
 			t.Fatalf("unexpected error: %v", err)
 		}
@@ -865,7 +864,7 @@ func TestReadTruncation(t *testing.T) {
 				}
 				cnt++
 				if s2 == "manual" {
-					if _, err = tr.writeTo(ioutil.Discard); err != nil {
+					if _, err = tr.writeTo(io.Discard); err != nil {
 						break
 					}
 				}

archive/tar/tar_test.go

@@ -9,7 +9,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"math"
 	"os"
 	"path"
@@ -264,7 +263,7 @@ func TestFileInfoHeaderSymlink(t *testing.T) {
 	case "android", "nacl", "plan9", "windows":
 		t.Skip("symlinks not supported")
 	}
-	tmpdir, err := ioutil.TempDir("", "TestFileInfoHeaderSymlink")
+	tmpdir, err := os.MkdirTemp("", "TestFileInfoHeaderSymlink")
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -329,7 +328,7 @@ func TestRoundTrip(t *testing.T) {
 	if !reflect.DeepEqual(rHdr, hdr) {
 		t.Errorf("Header mismatch.\n got %+v\nwant %+v", rHdr, hdr)
 	}
-	rData, err := ioutil.ReadAll(tr)
+	rData, err := io.ReadAll(tr)
 	if err != nil {
 		t.Fatalf("Read: %v", err)
 	}
@@ -806,9 +805,9 @@ func Benchmark(b *testing.B) {
 			b.Run(v.label, func(b *testing.B) {
 				b.ReportAllocs()
 				for i := 0; i < b.N; i++ {
-					// Writing to ioutil.Discard because we want to
+					// Writing to io.Discard because we want to
 					// test purely the writer code and not bring in disk performance into this.
-					tw := NewWriter(ioutil.Discard)
+					tw := NewWriter(io.Discard)
 					for _, file := range v.files {
 						if err := tw.WriteHeader(file.hdr); err != nil {
 							b.Errorf("unexpected WriteHeader error: %v", err)
@@ -846,7 +845,7 @@ func Benchmark(b *testing.B) {
 					if _, err := tr.Next(); err != nil {
 						b.Errorf("unexpected Next error: %v", err)
 					}
-					if _, err := io.Copy(ioutil.Discard, tr); err != nil {
+					if _, err := io.Copy(io.Discard, tr); err != nil {
 						b.Errorf("unexpected Copy error : %v", err)
 					}
 				}

archive/tar/writer_test.go

@@ -9,7 +9,6 @@ import (
 	"encoding/hex"
 	"errors"
 	"io"
-	"io/ioutil"
 	"os"
 	"path"
 	"reflect"
@@ -520,7 +519,7 @@ func TestWriter(t *testing.T) {
 			}
 
 			if v.file != "" {
-				want, err := ioutil.ReadFile(v.file)
+				want, err := os.ReadFile(v.file)
 				if err != nil {
 					t.Fatalf("ReadFile() = %v, want nil", err)
 				}

cmd/tar-split/checksize.go

@@ -5,7 +5,6 @@ import (
 	"compress/gzip"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
 	"os"
 
@@ -31,7 +30,7 @@ func CommandChecksize(c *cli.Context) {
 		}
 		fmt.Printf("inspecting %q (size %dk)\n", fh.Name(), fi.Size()/1024)
 
-		packFh, err := ioutil.TempFile("", "packed.")
+		packFh, err := os.CreateTemp("", "packed.")
 		if err != nil {
 			log.Fatal(err)
 		}
@@ -60,7 +59,7 @@ func CommandChecksize(c *cli.Context) {
 				log.Fatal(err)
 			}
 			num++
-			if _, err := io.Copy(ioutil.Discard, tr); err != nil {
+			if _, err := io.Copy(io.Discard, tr); err != nil {
 				log.Fatal(err)
 			}
 		}
@@ -76,7 +75,7 @@ func CommandChecksize(c *cli.Context) {
 		}
 		fmt.Printf(" -- size of metadata uncompressed: %dk\n", fi.Size()/1024)
 
-		gzPackFh, err := ioutil.TempFile("", "packed.gz.")
+		gzPackFh, err := os.CreateTemp("", "packed.gz.")
 		if err != nil {
 			log.Fatal(err)
 		}

cmd/tar-split/disasm.go

@@ -3,7 +3,6 @@ package main
 import (
 	"compress/gzip"
 	"io"
-	"io/ioutil"
 	"os"
 
 	"github.com/sirupsen/logrus"
@@ -51,7 +50,7 @@ func CommandDisasm(c *cli.Context) {
 	}
 	var out io.Writer
 	if c.Bool("no-stdout") {
-		out = ioutil.Discard
+		out = io.Discard
 	} else {
 		out = os.Stdout
 	}

cmd/tar-split/tar_benchmark_test.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"io"
-	"io/ioutil"
 	"os"
 	"testing"
 
@@ -29,7 +28,7 @@ func BenchmarkUpstreamTar(b *testing.B) {
 				fh.Close()
 				b.Fatal(err)
 			}
-			_, err = io.Copy(ioutil.Discard, tr)
+			_, err = io.Copy(io.Discard, tr)
 			if err != nil {
 				b.Fatal(err)
 			}
@@ -57,7 +56,7 @@ func BenchmarkOurTarNoAccounting(b *testing.B) {
 				fh.Close()
 				b.Fatal(err)
 			}
-			_, err = io.Copy(ioutil.Discard, tr)
+			_, err = io.Copy(io.Discard, tr)
 			if err != nil {
 				b.Fatal(err)
 			}
@@ -86,7 +85,7 @@ func BenchmarkOurTarYesAccounting(b *testing.B) {
 				fh.Close()
 				b.Fatal(err)
 			}
-			_, err = io.Copy(ioutil.Discard, tr)
+			_, err = io.Copy(io.Discard, tr)
 			if err != nil {
 				b.Fatal(err)
 			}

concept/main.go

@@ -7,7 +7,6 @@ import (
 	"flag"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
 	"os"
 
@@ -73,7 +72,7 @@ func main() {
 
 			// it is allowable, and not uncommon that there is further padding on the
 			// end of an archive, apart from the expected 1024 null bytes
-			remainder, err := ioutil.ReadAll(fh)
+			remainder, err := io.ReadAll(fh)
 			if err != nil && err != io.EOF {
 				log.Fatal(err, fh.Name())
 			}

tar/asm/assemble_test.go

@@ -7,7 +7,6 @@ import (
 	"fmt"
 	"hash/crc64"
 	"io"
-	"io/ioutil"
 	"os"
 	"testing"
 
@@ -232,7 +231,7 @@ func BenchmarkAsm(b *testing.B) {
 					b.Fatal(err)
 				}
 				// read it all to the bit bucket
-				i1, err := io.Copy(ioutil.Discard, tarStream)
+				i1, err := io.Copy(io.Discard, tarStream)
 				if err != nil {
 					b.Fatal(err)
 				}
@@ -243,7 +242,7 @@ func BenchmarkAsm(b *testing.B) {
 
 				rc := NewOutputTarStream(fgp, sup)
 
-				i2, err := io.Copy(ioutil.Discard, rc)
+				i2, err := io.Copy(io.Discard, rc)
 				if err != nil {
 					b.Fatal(err)
 				}

tar/asm/disassemble_test.go

@@ -4,7 +4,6 @@ import (
 	"archive/tar"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"testing"
 
@@ -52,14 +51,14 @@ func TestLargeJunkPadding(t *testing.T) {
 	}()
 
 	// Disassemble our junk file.
-	nilPacker := storage.NewJSONPacker(ioutil.Discard)
+	nilPacker := storage.NewJSONPacker(io.Discard)
 	rdr, err := NewInputTarStream(pR, nilPacker, nil)
 	if err != nil {
 		t.Fatal(err)
 	}
 
 	// Copy the entire rdr.
-	_, err = io.Copy(ioutil.Discard, rdr)
+	_, err = io.Copy(io.Discard, rdr)
 	if err != nil {
 		t.Fatal(err)
 	}

tar/storage/getter_test.go

@@ -3,7 +3,7 @@ package storage
 import (
 	"bytes"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"strings"
 	"testing"
 )
@@ -31,7 +31,7 @@ func TestGetter(t *testing.T) {
 			if err != nil {
 				t.Error(err)
 			}
-			buf, err := ioutil.ReadAll(r)
+			buf, err := io.ReadAll(r)
 			if err != nil {
 				t.Error(err)
 			}

tar/storage/packer_test.go

@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"compress/gzip"
 	"io"
-	"io/ioutil"
 	"os"
 	"testing"
 )
@@ -186,7 +185,7 @@ func BenchmarkGetPut(b *testing.B) {
 	b.RunParallel(func(pb *testing.PB) {
 		for pb.Next() {
 			func() {
-				fh, err := ioutil.TempFile("", "tar-split.")
+				fh, err := os.CreateTemp("", "tar-split.")
 				if err != nil {
 					b.Fatal(err)
 				}