fix the code style error

Signed-off-by: Dong Gang <dong.gang@daocloud.io>

cmd/helm/show.go

@@ -152,7 +152,7 @@ func addShowFlags(subCmd *cobra.Command, client *action.Show) {
 
 	f.BoolVar(&client.Devel, "devel", false, "use development versions, too. Equivalent to version '>0.0.0-0'. If --version is set, this is ignored")
 	if subCmd.Name() == "values" {
-		f.StringVar(&client.JsonPathTemplate, "jsonpath", "", "use jsonpath output format")
+		f.StringVar(&client.JSONPathTemplate, "jsonpath", "", "use jsonpath output format")
 	}
 	addChartPathOptionsFlags(f, &client.ChartPathOptions)
 

pkg/action/show.go

@@ -20,12 +20,12 @@ import (
 	"fmt"
 	"strings"
 
-	"helm.sh/helm/v3/pkg/chartutil"
 	"k8s.io/cli-runtime/pkg/printers"
 	"sigs.k8s.io/yaml"
 
 	"helm.sh/helm/v3/pkg/chart"
 	"helm.sh/helm/v3/pkg/chart/loader"
+	"helm.sh/helm/v3/pkg/chartutil"
 )
 
 // ShowOutputFormat is the format of the output of `helm show`
@@ -55,7 +55,7 @@ type Show struct {
 	ChartPathOptions
 	Devel            bool
 	OutputFormat     ShowOutputFormat
-	JsonPathTemplate string
+	JSONPathTemplate string
 	chart            *chart.Chart // for testing
 }
 
@@ -89,10 +89,10 @@ func (s *Show) Run(chartpath string) (string, error) {
 		if s.OutputFormat == ShowAll {
 			fmt.Fprintln(&out, "---")
 		}
-		if s.JsonPathTemplate != "" {
-			printer, err := printers.NewJSONPathPrinter(s.JsonPathTemplate)
+		if s.JSONPathTemplate != "" {
+			printer, err := printers.NewJSONPathPrinter(s.JSONPathTemplate)
 			if err != nil {
-				return "", fmt.Errorf("error parsing jsonpath %s, %v\n", s.JsonPathTemplate, err)
+				return "", fmt.Errorf("error parsing jsonpath %s, %v", s.JSONPathTemplate, err)
 			}
 			printer.Execute(&out, s.chart.Values)
 		} else {

pkg/action/show_test.go

@@ -72,7 +72,7 @@ func TestShowNoValues(t *testing.T) {
 
 func TestShowValuesByJsonPathFormat(t *testing.T) {
 	client := NewShow(ShowValues)
-	client.JsonPathTemplate = "{$.nestedKey.simpleKey}"
+	client.JSONPathTemplate = "{$.nestedKey.simpleKey}"
 	client.chart = buildChart(withSampleValues())
 	output, err := client.Run("")
 	if err != nil {