Merge pull request #79 from mumoshu/suppress-unnecessary-command-usages

fix: Suppress unnecessary command usage when theres diff

Author: mumoshu

cmd/revision.go

@@ -47,6 +47,9 @@ func revisionCmd() *cobra.Command {
 			expandTLSPaths()
 		},
 		RunE: func(cmd *cobra.Command, args []string) error {
+			// Suppress the command usage on error. See #77 for more info
+			cmd.SilenceUsage = true
+
 			if v, _ := cmd.Flags().GetBool("version"); v {
 				fmt.Println(Version)
 				return nil

cmd/rollback.go

@@ -39,6 +39,9 @@ func rollbackCmd() *cobra.Command {
 			expandTLSPaths()
 		},
 		RunE: func(cmd *cobra.Command, args []string) error {
+			// Suppress the command usage on error. See #77 for more info
+			cmd.SilenceUsage = true
+
 			if v, _ := cmd.Flags().GetBool("version"); v {
 				fmt.Println(Version)
 				return nil

cmd/upgrade.go

@@ -50,6 +50,8 @@ func newChartCommand() *cobra.Command {
 			expandTLSPaths()
 		},
 		RunE: func(cmd *cobra.Command, args []string) error {
+			// Suppress the command usage on error. See #77 for more info
+			cmd.SilenceUsage = true
 
 			if q, _ := cmd.Flags().GetBool("suppress-secrets"); q {
 				diff.suppressedKinds = append(diff.suppressedKinds, "Secret")