fix(pkg): errorlint linter

errorlint linter in pkg/cmd

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

pkg/action/install.go

@@ -488,7 +488,7 @@ func (i *Install) performInstall(rel *release.Release, toBeAdopted kube.Resource
 	// pre-install hooks
 	if !i.DisableHooks {
 		if err := i.cfg.execHook(rel, release.HookPreInstall, i.WaitStrategy, i.WaitOptions, i.Timeout, i.ServerSideApply); err != nil {
-			return rel, fmt.Errorf("failed pre-install: %s", err)
+			return rel, fmt.Errorf("failed pre-install: %w", err)
 		}
 	}
 
@@ -534,7 +534,7 @@ func (i *Install) performInstall(rel *release.Release, toBeAdopted kube.Resource
 
 	if !i.DisableHooks {
 		if err := i.cfg.execHook(rel, release.HookPostInstall, i.WaitStrategy, i.WaitOptions, i.Timeout, i.ServerSideApply); err != nil {
-			return rel, fmt.Errorf("failed post-install: %s", err)
+			return rel, fmt.Errorf("failed post-install: %w", err)
 		}
 	}
 

pkg/chart/v2/util/dependencies.go

@@ -16,6 +16,7 @@ limitations under the License.
 package util
 
 import (
+	"errors"
 	"fmt"
 	"log/slog"
 	"strings"
@@ -44,6 +45,7 @@ func processDependencyConditions(reqs []*chart.Dependency, cvals common.Values,
 			if len(c) > 0 {
 				// retrieve value
 				vv, err := cvals.PathValue(cpath + c)
+				var errNoValue common.ErrNoValue
 				if err == nil {
 					// if not bool, warn
 					if bv, ok := vv.(bool); ok {
@@ -51,7 +53,7 @@ func processDependencyConditions(reqs []*chart.Dependency, cvals common.Values,
 						break
 					}
 					slog.Warn("returned non-bool value", "path", c, "chart", r.Name)
-				} else if _, ok := err.(common.ErrNoValue); !ok {
+				} else if !errors.As(err, &errNoValue) {
 					// this is a real error
 					slog.Warn("the method PathValue returned error", slog.Any("error", err))
 				}

pkg/cmd/dependency_build.go

@@ -16,6 +16,7 @@ limitations under the License.
 package cmd
 
 import (
+	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -76,7 +77,8 @@ func newDependencyBuildCmd(out io.Writer) *cobra.Command {
 				man.Verify = downloader.VerifyIfPossible
 			}
 			err = man.Build()
-			if e, ok := err.(downloader.ErrRepoNotFound); ok {
+			var e downloader.ErrRepoNotFound
+			if errors.As(err, &e) {
 				return fmt.Errorf("%s. Please add the missing repos via 'helm repo add'", e.Error())
 			}
 			return err

pkg/cmd/load_plugins.go

@@ -18,6 +18,7 @@ package cmd
 import (
 	"bytes"
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"log/slog"
@@ -120,7 +121,8 @@ func loadCLIPlugins(baseCmd *cobra.Command, out io.Writer) {
 					Stderr: os.Stderr,
 				}
 				_, err = plug.Invoke(context.Background(), input)
-				if execErr, ok := err.(*plugin.InvokeExecError); ok {
+				execErr := &plugin.InvokeExecError{}
+				if errors.As(err, &execErr) {
 					return CommandError{
 						error:    execErr.Err,
 						ExitCode: execErr.ExitCode,

pkg/storage/driver/cfgmaps_test.go

@@ -180,7 +180,7 @@ func TestConfigMapQuery(t *testing.T) {
 	}
 
 	_, err = cfgmaps.Query(map[string]string{"name": "notExist"})
-	if err != ErrReleaseNotFound {
+	if !errors.Is(err, ErrReleaseNotFound) {
 		t.Errorf("Expected {%v}, got {%v}", ErrReleaseNotFound, err)
 	}
 }
@@ -252,7 +252,7 @@ func TestConfigMapDelete(t *testing.T) {
 
 	// perform the delete on a non-existent release
 	_, err := cfgmaps.Delete("nonexistent")
-	if err != ErrReleaseNotFound {
+	if !errors.Is(err, ErrReleaseNotFound) {
 		t.Fatalf("Expected ErrReleaseNotFound: got {%v}", err)
 	}