fix: replace deprecated ioutil calls

internal/cmd/root_test.go

@@ -20,7 +20,6 @@ import (
 	"bytes"
 	"flag"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path"
 	"strings"
@@ -229,7 +228,7 @@ func createFakeStdIn(t *testing.T) (oldStdIn *os.File, tmpFile *os.File) {
 }
 func createFakeStdInWithString(t *testing.T, inputString string) (oldStdIn *os.File, tmpFile *os.File) {
 	content := []byte(inputString)
-	tmpFile, err := ioutil.TempFile("", "tempfile")
+	tmpFile, err := os.CreateTemp("", "tempfile")
 	if err != nil {
 		t.Error(err)
 	}
@@ -322,7 +321,7 @@ func TestConfigOssi_skip_update_check(t *testing.T) {
 }
 
 func setupConfig(t *testing.T) (tempDir string) {
-	tempDir, err := ioutil.TempDir("", "config-test")
+	tempDir, err := os.MkdirTemp("", "config-test")
 	assert.NoError(t, err)
 	return tempDir
 }
@@ -387,7 +386,7 @@ func setupTestOSSIConfigFileValues(t *testing.T, tempDir string) {
 
 	const credentials = configuration.ViperKeyUsername + ": ossiUsernameValue\n" +
 		configuration.ViperKeyToken + ": ossiTokenValue"
-	assert.Nil(t, ioutil.WriteFile(cfgFile, []byte(credentials), 0644))
+	assert.Nil(t, os.WriteFile(cfgFile, []byte(credentials), 0644))
 }
 
 type ossiFactoryMock struct {
@@ -403,12 +402,12 @@ type mockOssiServer struct {
 	auditPackagesErr     error
 }
 
-//noinspection GoUnusedParameter
+// noinspection GoUnusedParameter
 func (s mockOssiServer) AuditPackages(purls []string) ([]ossIndexTypes.Coordinate, error) {
 	return s.auditPackagesResults, s.auditPackagesErr
 }
 
-//noinspection GoUnusedParameter
+// noinspection GoUnusedParameter
 func (s mockOssiServer) Audit(purls []string) (results map[string]ossIndexTypes.Coordinate, err error) {
 	results = make(map[string]ossIndexTypes.Coordinate)
 

internal/cmd/sleuth_test.go

@@ -25,7 +25,6 @@ import (
 	"github.com/sonatype-nexus-community/nancy/internal/customerrors"
 	"github.com/sonatype-nexus-community/nancy/types"
 	"github.com/stretchr/testify/assert"
-	"io/ioutil"
 	"os"
 	"strings"
 	"testing"
@@ -102,7 +101,7 @@ func TestConfigOssi_exclude_vulnerabilities_file_not_found_does_not_matter(t *te
 }
 
 func TestConfigOssi_exclude_vulnerabilities_passed_as_directory_does_not_matter(t *testing.T) {
-	dir, _ := ioutil.TempDir("", "prefix")
+	dir, _ := os.MkdirTemp("", "prefix")
 	validateConfigOssi(t, types.Configuration{CveList: types.CveListFlag{}, Formatter: defaultAuditLogFormatter},
 		[]string{sleuthCmd.Use, "--exclude-vulnerability-file=" + dir}...)
 }
@@ -131,7 +130,7 @@ func TestConfigOssi_additional_exclude_vulnerabilities_with_empty_additional(t *
 
 func TestConfigOssi_exclude_vulnerabilities_does_not_need_to_be_passed_if_default_value_is_used(t *testing.T) {
 	defaultFileName := ".nancy-ignore"
-	err := ioutil.WriteFile(defaultFileName, []byte("DEF-111\nDEF-222"), 0644)
+	err := os.WriteFile(defaultFileName, []byte("DEF-111\nDEF-222"), 0644)
 	if err != nil {
 		t.Fatal(err)
 	}

packages/dep_int_test.go

@@ -21,7 +21,6 @@ import (
 	"github.com/Flaque/filet"
 	"github.com/golang/dep"
 	"github.com/stretchr/testify/require"
-	"io/ioutil"
 	"log"
 	"os"
 	"testing"
@@ -84,25 +83,25 @@ func doGoPathSimulatedSetup(t *testing.T) (string, string, error) {
 	if e != nil {
 		t.Error(e)
 	}
-	lockBytes, e := ioutil.ReadFile("testdata/Gopkg.lock")
+	lockBytes, e := os.ReadFile("testdata/Gopkg.lock")
 	if e != nil {
 		t.Error(e)
 	}
-	e = ioutil.WriteFile(fmt.Sprint(projectDir, "/Gopkg.lock"), lockBytes, 0644)
+	e = os.WriteFile(fmt.Sprint(projectDir, "/Gopkg.lock"), lockBytes, 0644)
 	if e != nil {
 		t.Error(e)
 	}
 
-	tomlBytes, e := ioutil.ReadFile("testdata/Gopkg.toml")
+	tomlBytes, e := os.ReadFile("testdata/Gopkg.toml")
 	if e != nil {
 		t.Error(e)
 	}
-	e = ioutil.WriteFile(fmt.Sprint(projectDir, "/Gopkg.toml"), tomlBytes, 0644)
+	e = os.WriteFile(fmt.Sprint(projectDir, "/Gopkg.toml"), tomlBytes, 0644)
 	if e != nil {
 		t.Error(e)
 	}
 
-	files, e := ioutil.ReadDir(projectDir)
+	files, e := os.ReadDir(projectDir)
 	if e != nil {
 		t.Error(e)
 	}

parse/parse.go

@@ -20,7 +20,6 @@ import (
 	"bufio"
 	"encoding/json"
 	"io"
-	"io/ioutil"
 	"strings"
 
 	"github.com/sonatype-nexus-community/nancy/types"
@@ -46,7 +45,7 @@ func GoList(stdIn *bufio.Scanner) (deps types.ProjectList, err error) {
 func GoListAgnostic(stdIn io.Reader) (deps types.ProjectList, err error) {
 	// stdIn should never be massive, so taking this approach over reading from a stream
 	// multiple times
-	johnnyFiveNeedInput, err := ioutil.ReadAll(stdIn)
+	johnnyFiveNeedInput, err := io.ReadAll(stdIn)
 	if err != nil {
 		return
 	}

settings/appsettings.go

@@ -19,7 +19,6 @@ package settings
 import (
 	ossIndexTypes "github.com/sonatype-nexus-community/go-sona-types/ossindex/types"
 	"gopkg.in/yaml.v3"
-	"io/ioutil"
 	"os"
 	"path"
 	"path/filepath"
@@ -39,7 +38,7 @@ func (upd *UpdateCheck) WriteToDisk() error {
 		return err
 	}
 
-	err = ioutil.WriteFile(upd.FileUsed, enc, 0600)
+	err = os.WriteFile(upd.FileUsed, enc, 0600)
 	return err
 }
 
@@ -53,7 +52,7 @@ func (upd *UpdateCheck) Load() error {
 
 	upd.FileUsed = appSettingsPath
 
-	content, err := ioutil.ReadFile(appSettingsPath) // #nosec
+	content, err := os.ReadFile(appSettingsPath) // #nosec
 	if err != nil {
 		return err
 	}