chore(pkg): enable perfsprint linter

#### Description

enable perfsprint linter in pkg/cmd

Signed-off-by: Matthieu MOREL <matthieu.morel35@gmail.com>

pkg/action/uninstall_test.go

@@ -19,7 +19,6 @@ package action
 import (
 	"context"
 	"errors"
-	"fmt"
 	"io"
 	"testing"
 
@@ -115,7 +114,7 @@ func TestUninstallRelease_Wait(t *testing.T) {
 	}`
 	require.NoError(t, unAction.cfg.Releases.Create(rel))
 	failer := unAction.cfg.KubeClient.(*kubefake.FailingKubeClient)
-	failer.WaitForDeleteError = fmt.Errorf("U timed out")
+	failer.WaitForDeleteError = errors.New("U timed out")
 	unAction.cfg.KubeClient = failer
 	resi, err := unAction.Run(rel.Name)
 	is.Error(err)
@@ -149,7 +148,7 @@ func TestUninstallRelease_Cascade(t *testing.T) {
 	}`
 	require.NoError(t, unAction.cfg.Releases.Create(rel))
 	failer := unAction.cfg.KubeClient.(*kubefake.FailingKubeClient)
-	failer.DeleteError = fmt.Errorf("Uninstall with cascade failed")
+	failer.DeleteError = errors.New("Uninstall with cascade failed")
 	failer.BuildDummy = true
 	unAction.cfg.KubeClient = failer
 	_, err := unAction.Run(rel.Name)

pkg/chart/common/capabilities.go

@@ -173,8 +173,8 @@ func newCapabilities(kubeVersionMajor, kubeVersionMinor uint64) (*Capabilities,
 		KubeVersion: KubeVersion{
 			Version:           version,
 			normalizedVersion: version,
-			Major:             fmt.Sprintf("%d", kubeVersionMajor),
+			Major:             strconv.FormatUint(kubeVersionMajor, 10),
-			Minor:             fmt.Sprintf("%d", kubeVersionMinor),
+			Minor:             strconv.FormatUint(kubeVersionMinor, 10),
 		},
 		APIVersions: DefaultVersionSet,
 		HelmVersion: helmversion.Get(),

pkg/chart/v2/lint/rules/crds.go

@@ -19,7 +19,6 @@ package rules
 import (
 	"bytes"
 	"errors"
-	"fmt"
 	"io"
 	"io/fs"
 	"os"
@@ -102,14 +101,14 @@ func validateCrdsDir(crdsPath string) error {
 
 func validateCrdAPIVersion(obj *k8sYamlStruct) error {
 	if !strings.HasPrefix(obj.APIVersion, "apiextensions.k8s.io") {
-		return fmt.Errorf("apiVersion is not in 'apiextensions.k8s.io'")
+		return errors.New("apiVersion is not in 'apiextensions.k8s.io'")
 	}
 	return nil
 }
 
 func validateCrdKind(obj *k8sYamlStruct) error {
 	if obj.Kind != "CustomResourceDefinition" {
-		return fmt.Errorf("object kind is not 'CustomResourceDefinition'")
+		return errors.New("object kind is not 'CustomResourceDefinition'")
 	}
 	return nil
 }

pkg/chart/v2/util/save_test.go

@@ -21,8 +21,8 @@ import (
 	"bytes"
 	"compress/gzip"
 	"crypto/sha256"
+	"encoding/hex"
 	"errors"
-	"fmt"
 	"io"
 	"os"
 	"path"
@@ -357,5 +357,5 @@ func sha256Sum(filePath string) (string, error) {
 		return "", err
 	}
 
-	return fmt.Sprintf("%x", h.Sum(nil)), nil
+	return hex.EncodeToString(h.Sum(nil)), nil
 }

pkg/cmd/plugin_verify.go

@@ -16,6 +16,7 @@ limitations under the License.
 package cmd
 
 import (
+	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -75,12 +76,12 @@ func (o *pluginVerifyOptions) run(out io.Writer) error {
 
 	// Only support tarball verification
 	if fi.IsDir() {
-		return fmt.Errorf("directory verification not supported - only plugin tarballs can be verified")
+		return errors.New("directory verification not supported - only plugin tarballs can be verified")
 	}
 
 	// Verify it's a tarball
 	if !plugin.IsTarball(o.pluginPath) {
-		return fmt.Errorf("plugin file must be a gzipped tarball (.tar.gz or .tgz)")
+		return errors.New("plugin file must be a gzipped tarball (.tar.gz or .tgz)")
 	}
 
 	// Look for provenance file

pkg/cmd/status.go

@@ -197,8 +197,8 @@ func (s statusPrinter) WriteTable(out io.Writer) error {
 			}
 			_, _ = fmt.Fprintf(out, "TEST SUITE:     %s\n%s\n%s\n%s\n",
 				h.Name,
-				fmt.Sprintf("Last Started:   %s", h.LastRun.StartedAt.Format(time.ANSIC)),
+				"Last Started:   "+h.LastRun.StartedAt.Format(time.ANSIC),
-				fmt.Sprintf("Last Completed: %s", h.LastRun.CompletedAt.Format(time.ANSIC)),
+				"Last Completed: "+h.LastRun.CompletedAt.Format(time.ANSIC),
 				fmt.Sprintf("Phase:          %s", h.LastRun.Phase),
 			)
 		}

pkg/kube/wait_test.go

@@ -17,7 +17,7 @@ limitations under the License.
 package kube
 
 import (
-	"fmt"
+	"errors"
 	"net/http"
 	"strings"
 	"testing"
@@ -451,7 +451,7 @@ func TestLegacyWaiter_isRetryableError(t *testing.T) {
 		},
 		{
 			name:      "non-status error",
-			err:       fmt.Errorf("some generic error"),
+			err:       errors.New("some generic error"),
 			wantRetry: true,
 		},
 	}

pkg/release/v1/mock.go

@@ -17,8 +17,8 @@ limitations under the License.
 package v1
 
 import (
-	"fmt"
 	"math/rand"
+	"strconv"
 	"time"
 
 	"helm.sh/helm/v4/pkg/chart/common"
@@ -57,7 +57,7 @@ func Mock(opts *MockReleaseOptions) *Release {
 
 	name := opts.Name
 	if name == "" {
-		name = "testrelease-" + fmt.Sprint(rand.Intn(100))
+		name = "testrelease-" + strconv.Itoa(rand.Intn(100))
 	}
 
 	version := 1

pkg/storage/driver/cfgmaps.go

@@ -171,7 +171,7 @@ func (cfgmaps *ConfigMaps) Create(key string, rls release.Releaser) error {
 
 	lbs.init()
 	lbs.fromMap(rac.Labels())
-	lbs.set("createdAt", fmt.Sprintf("%v", time.Now().Unix()))
+	lbs.set("createdAt", strconv.FormatInt(time.Now().Unix(), 10))
 
 	rel, err := releaserToV1Release(rls)
 	if err != nil {
@@ -209,7 +209,7 @@ func (cfgmaps *ConfigMaps) Update(key string, rel release.Releaser) error {
 
 	lbs.init()
 	lbs.fromMap(rls.Labels)
-	lbs.set("modifiedAt", fmt.Sprintf("%v", time.Now().Unix()))
+	lbs.set("modifiedAt", strconv.FormatInt(time.Now().Unix(), 10))
 
 	// create a new configmap object to hold the release
 	obj, err := newConfigMapsObject(key, rls, lbs)

pkg/storage/driver/secrets.go

@@ -171,7 +171,7 @@ func (secrets *Secrets) Create(key string, rel release.Releaser) error {
 
 	lbs.init()
 	lbs.fromMap(rls.Labels)
-	lbs.set("createdAt", fmt.Sprintf("%v", time.Now().Unix()))
+	lbs.set("createdAt", strconv.FormatInt(time.Now().Unix(), 10))
 
 	// create a new secret to hold the release
 	obj, err := newSecretsObject(key, rls, lbs)
@@ -202,7 +202,7 @@ func (secrets *Secrets) Update(key string, rel release.Releaser) error {
 
 	lbs.init()
 	lbs.fromMap(rls.Labels)
-	lbs.set("modifiedAt", fmt.Sprintf("%v", time.Now().Unix()))
+	lbs.set("modifiedAt", strconv.FormatInt(time.Now().Unix(), 10))
 
 	// create a new secret object to hold the release
 	obj, err := newSecretsObject(key, rls, lbs)