fix: stop using the deprecated io/ioutil package

cmd/git-remote-ipld/ipld.go

@@ -4,7 +4,7 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"path"
 	"strings"
 
@@ -82,7 +82,7 @@ func (h *IpnsHandler) ProvideBlock(cid string, tracker *core.Tracker) ([]byte, e
 		return nil, errors.New("cat error")
 	}
 
-	data, err := ioutil.ReadAll(r)
+	data, err := io.ReadAll(r)
 	if err != nil {
 		return nil, err
 	}

cmd/git-remote-ipld/ipld_test.go

@@ -8,7 +8,6 @@ package main
 import (
 	"bytes"
 	"io"
-	"io/ioutil"
 	"log"
 	"os"
 	"path/filepath"
@@ -88,7 +87,7 @@ func setupTest(t *testing.T) string {
 		t.Fatal("source is not a directory")
 	}
 
-	tmpdir, err := ioutil.TempDir("", "git-test")
+	tmpdir, err := os.MkdirTemp("", "git-test")
 	if err != nil {
 		t.Fatal(err)
 	}

core/fetch.go

@@ -4,15 +4,14 @@ import (
 	"encoding/hex"
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"log"
 	"os"
 	"path"
 	"sync"
 
 	"github.com/ipfs/go-cid"
 	ipfs "github.com/ipfs/go-ipfs-api"
-	"github.com/ipfs/go-ipld-git"
+	ipldgit "github.com/ipfs/go-ipld-git"
 	mh "github.com/multiformats/go-multihash"
 	"github.com/remeh/sizedwaitgroup"
 )
@@ -154,7 +153,7 @@ func (f *Fetch) processSingle(hash string) error {
 
 		/////////////////
 
-		err = ioutil.WriteFile(*objectPath, object, 0444)
+		err = os.WriteFile(*objectPath, object, 0444)
 		if err != nil {
 			f.errCh <- fmt.Errorf("fetch: %v", err)
 			return

core/push.go

@@ -5,7 +5,7 @@ import (
 	"encoding/hex"
 	"errors"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"log"
 	"os"
 	"os/signal"
@@ -124,7 +124,7 @@ func (p *Push) doWork() error {
 			return fmt.Errorf("push: %v", err)
 		}
 
-		raw, err := ioutil.ReadAll(rawReader)
+		raw, err := io.ReadAll(rawReader)
 		if err != nil {
 			return fmt.Errorf("push: %v", err)
 		}

core/tracker.go

@@ -8,7 +8,7 @@ import (
 	"github.com/dgraph-io/badger"
 )
 
-//Tracker tracks which hashes are published in IPLD
+// Tracker tracks which hashes are published in IPLD
 type Tracker struct {
 	db *badger.DB
 

util/compare.go

@@ -5,7 +5,6 @@ import (
 	"compress/zlib"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"math"
 	"os"
 	"path/filepath"
@@ -35,11 +34,11 @@ func CompareDirs(srcPath, dstPath string, ignore []string) error {
 		return a[:len(a)-count]
 	}
 
-	srcEntries, err := ioutil.ReadDir(srcPath)
+	srcEntries, err := os.ReadDir(srcPath)
 	if err != nil {
 		return err
 	}
-	dstEntries, err := ioutil.ReadDir(dstPath)
+	dstEntries, err := os.ReadDir(dstPath)
 	if err != nil {
 		return err
 	}

util/copy.go

@@ -25,7 +25,6 @@ package util
 import (
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 )
@@ -102,7 +101,7 @@ func CopyDir(src string, dst string) (err error) {
 		return
 	}
 
-	entries, err := ioutil.ReadDir(src)
+	entries, err := os.ReadDir(src)
 	if err != nil {
 		return
 	}