all: replace io/ioutil with io and os package

all_test.go

@@ -9,7 +9,6 @@ package main
 
 import (
 	"errors"
-	"io/ioutil"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -50,7 +49,7 @@ func TestLintReports(t *testing.T) {
 	allFiles := make(map[string]string)
 	var reports []string
 	for _, dir := range []string{reportsDir, excludedDir} {
-		files, err := ioutil.ReadDir(dir)
+		files, err := os.ReadDir(dir)
 		if err != nil && !errors.Is(err, os.ErrNotExist) {
 			t.Fatalf("unable to read %v/: %s", dir, err)
 		}

cmd/worker/main.go

@@ -14,7 +14,6 @@ import (
 	"errors"
 	"flag"
 	"fmt"
-	"io/ioutil"
 	"net/http"
 	"os"
 	"strings"
@@ -76,7 +75,7 @@ func main() {
 
 	flag.Parse()
 	if *githubTokenFile != "" {
-		data, err := ioutil.ReadFile(*githubTokenFile)
+		data, err := os.ReadFile(*githubTokenFile)
 		if err != nil {
 			die("%v", err)
 		}

internal/database/generate.go

@@ -9,7 +9,6 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"sort"
@@ -97,7 +96,7 @@ func generateEntries(ctx context.Context, repoDir string) (map[string][]osv.Entr
 		return nil, nil, err
 	}
 
-	yamlFiles, err := ioutil.ReadDir(filepath.Join(repoDir, yamlDir))
+	yamlFiles, err := os.ReadDir(filepath.Join(repoDir, yamlDir))
 	if err != nil {
 		return nil, nil, fmt.Errorf("can't read %q: %s", yamlDir, err)
 	}

internal/database/load.go

@@ -7,7 +7,7 @@ package database
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"path/filepath"
 	"strings"
 
@@ -46,7 +46,7 @@ func loadDB(dbPath string) (_ client.DBIndex, _ map[string][]osv.Entry, err erro
 
 	var loadDir func(string) error
 	loadDir = func(path string) error {
-		dir, err := ioutil.ReadDir(path)
+		dir, err := os.ReadDir(path)
 		if err != nil {
 			return err
 		}
@@ -58,7 +58,7 @@ func loadDB(dbPath string) (_ client.DBIndex, _ map[string][]osv.Entry, err erro
 				}
 				continue
 			}
-			content, err := ioutil.ReadFile(fpath)
+			content, err := os.ReadFile(fpath)
 			if err != nil {
 				return err
 			}

internal/issues/issues_test.go

@@ -10,7 +10,7 @@ package issues
 import (
 	"context"
 	"flag"
-	"io/ioutil"
+	"os"
 	"strings"
 	"testing"
 
@@ -37,7 +37,7 @@ func TestClient(t *testing.T) {
 		if *githubTokenFile == "" {
 			t.Fatal("need -ghtokenfile")
 		}
-		data, err := ioutil.ReadFile(*githubTokenFile)
+		data, err := os.ReadFile(*githubTokenFile)
 		if err != nil {
 			t.Fatal(err)
 		}

internal/worker/gen_false_positives.go

@@ -22,7 +22,6 @@ import (
 	"context"
 	"fmt"
 	"go/format"
-	"io/ioutil"
 	"log"
 	"os"
 	"strings"
@@ -288,7 +287,7 @@ func run(repoPath string) error {
 	if err != nil {
 		return err
 	}
-	return ioutil.WriteFile("false_positive_records.gen.go", src, 0644)
+	return os.WriteFile("false_positive_records.gen.go", src, 0644)
 }
 
 func buildCVERecords(repo *git.Repository) ([]*store.CVERecord, error) {