Merge pull request #3964 from ash2k/ash2k/handle-errors2

Handle errors

cmd/config/completion/completion.go

@@ -17,17 +17,18 @@ func NewCommand() *cobra.Command {
 		DisableFlagsInUseLine: true,
 		ValidArgs:             []string{"bash", "zsh", "fish", "powershell"},
 		Args:                  cobra.ExactValidArgs(1),
-		Run: func(cmd *cobra.Command, args []string) {
+		RunE: func(cmd *cobra.Command, args []string) error {
 			switch args[0] {
 			case "bash":
-				cmd.Root().GenBashCompletion(os.Stdout)
+				return cmd.Root().GenBashCompletion(os.Stdout)
 			case "zsh":
-				cmd.Root().GenZshCompletion(os.Stdout)
+				return cmd.Root().GenZshCompletion(os.Stdout)
 			case "fish":
-				cmd.Root().GenFishCompletion(os.Stdout, true)
+				return cmd.Root().GenFishCompletion(os.Stdout, true)
 			case "powershell":
-				cmd.Root().GenPowerShellCompletion(os.Stdout)
+				return cmd.Root().GenPowerShellCompletion(os.Stdout)
 			}
+			return nil
 		},
 	}
 }

cmd/config/internal/commands/annotate.go

@@ -104,9 +104,9 @@ func (r *AnnotateRunner) ExecuteCmd(w io.Writer, pkgPath string) error {
 			return err
 		}
 		// print error message and continue if there are multiple packages to annotate
-		fmt.Fprintf(w, "%s\n", err.Error())
+		_, _ = fmt.Fprintf(w, "%s\n", err.Error())
 	} else {
-		fmt.Fprint(w, "added annotations in the package\n")
+		_, _ = fmt.Fprint(w, "added annotations in the package\n")
 	}
 	return nil
 }

cmd/pluginator/internal/builtinplugin/builtinplugin.go

@@ -27,7 +27,7 @@ const (
 
 // ConvertToBuiltInPlugin converts the input plugin file to
 // kustomize builtin plugin and writes it to proper directory
-func ConvertToBuiltInPlugin() error {
+func ConvertToBuiltInPlugin() (retErr error) {
 	root, err := inputFileRoot()
 	if err != nil {
 		return err
@@ -47,7 +47,12 @@ func ConvertToBuiltInPlugin() error {
 	if err != nil {
 		return err
 	}
-	defer w.close()
+	defer func() {
+		closeErr := w.Close()
+		if retErr == nil {
+			retErr = closeErr
+		}
+	}()
 
 	// This particular phrasing is required.
 	w.write(
@@ -139,10 +144,10 @@ func makeOutputFileName(root string) string {
 		"..", "..", "..", "api", packageForGeneratedCode, root+".go")
 }
 
-func (w *writer) close() {
+func (w *writer) Close() error {
 	// Do this for debugging.
 	// fmt.Println("Generated " + makeOutputFileName(w.root))
-	w.f.Close()
+	return w.f.Close()
 }
 
 func (w *writer) write(line string) {