Enable wsl and nlreturn linters

The linters come with a new auto-fix function, means we can enable them
without any manual effort.

Signed-off-by: Sascha Grunert <sgrunert@redhat.com>

Author: saschagrunert

.golangci.yml

@@ -64,6 +64,7 @@ linters:
     - nestif
     - nilerr
     - nilnesserr
+    - nlreturn
     - noctx
     - nolintlint
     - nosprintfhostport
@@ -97,6 +98,7 @@ linters:
     - usetesting
     - wastedassign
     - whitespace
+    - wsl
     - zerologlint
     # - depguard
     # - err113
@@ -110,12 +112,10 @@ linters:
     # - lll
     # - mnd
     # - nilnil
-    # - nlreturn
     # - nonamedreturns
     # - testpackage
     # - varnamelen
     # - wrapcheck
-    # - wsl
 linters-settings:
   stylecheck:
     checks:

cmd/crictl/attach.go

@@ -102,6 +102,7 @@ var runtimeAttachCommand = &cli.Command{
 		if err = Attach(ctx, runtimeClient, opts); err != nil {
 			return fmt.Errorf("attaching running container failed: %w", err)
 		}
+
 		return nil
 	},
 }
@@ -111,6 +112,7 @@ func Attach(ctx context.Context, client internalapi.RuntimeService, opts attachO
 	if opts.id == "" {
 		return errors.New("ID cannot be empty")
 	}
+
 	request := &pb.AttachRequest{
 		ContainerId: opts.id,
 		Tty:         opts.tty,
@@ -119,13 +121,16 @@ func Attach(ctx context.Context, client internalapi.RuntimeService, opts attachO
 		Stderr:      !opts.tty,
 	}
 	logrus.Debugf("AttachRequest: %v", request)
+
 	r, err := InterruptableRPC(ctx, func(ctx context.Context) (*pb.AttachResponse, error) {
 		return client.Attach(ctx, request)
 	})
 	logrus.Debugf("AttachResponse: %v", r)
+
 	if err != nil {
 		return err
 	}
+
 	attachURL := r.Url
 
 	URL, err := url.Parse(attachURL)
@@ -136,10 +141,12 @@ func Attach(ctx context.Context, client internalapi.RuntimeService, opts attachO
 	if URL.Host == "" {
 		URL.Host = kubeletURLHost
 	}
+
 	if URL.Scheme == "" {
 		URL.Scheme = kubeletURLSchema
 	}
 
 	logrus.Debugf("Attach URL: %v", URL)
+
 	return stream(ctx, opts.stdin, opts.tty, opts.transport, URL, opts.tlsConfig)
 }

cmd/crictl/completion.go

@@ -37,10 +37,12 @@ complete -F _crictl crictl`
 
 func bashCompletion(c *cli.Context) error {
 	subcommands := []string{}
+
 	for _, command := range c.App.Commands {
 		if command.Hidden {
 			continue
 		}
+
 		subcommands = append(subcommands, command.Names()...)
 	}
 
@@ -50,6 +52,7 @@ func bashCompletion(c *cli.Context) error {
 	}
 
 	fmt.Fprintln(c.App.Writer, fmt.Sprintf(bashCompletionTemplate, strings.Join(subcommands, "\n")))
+
 	return nil
 }
 
@@ -71,10 +74,12 @@ compdef _crictl crictl`
 
 func zshCompletion(c *cli.Context) error {
 	subcommands := []string{}
+
 	for _, command := range c.App.Commands {
 		if command.Hidden {
 			continue
 		}
+
 		for _, name := range command.Names() {
 			subcommands = append(subcommands, name+":"+command.Usage)
 		}
@@ -87,6 +92,7 @@ func zshCompletion(c *cli.Context) error {
 	}
 
 	fmt.Fprintln(c.App.Writer, fmt.Sprintf(zshCompletionTemplate, strings.Join(subcommands, "' '"), strings.Join(opts, "' '")))
+
 	return nil
 }
 
@@ -95,7 +101,9 @@ func fishCompletion(c *cli.Context) error {
 	if err != nil {
 		return err
 	}
+
 	fmt.Fprintln(c.App.Writer, completion)
+
 	return nil
 }
 

cmd/crictl/config.go

@@ -98,6 +98,7 @@ CRICTL OPTIONS:
 			default:
 				return fmt.Errorf("no configuration option named %s", get)
 			}
+
 			return nil
 		} else if c.IsSet("set") {
 			settings := c.StringSlice("set")
@@ -115,6 +116,7 @@ CRICTL OPTIONS:
 					}
 				}
 			}
+
 			return common.WriteConfig(config, configFile)
 		} else if c.Bool("list") {
 			display := newDefaultTableDisplay()
@@ -141,6 +143,7 @@ CRICTL OPTIONS:
 		if err := setValue(key, value, config); err != nil {
 			return fmt.Errorf("set %q to %q: %w", key, value, err)
 		}
+
 		return common.WriteConfig(config, configFile)
 	},
 }
@@ -156,27 +159,32 @@ func setValue(key, value string, config *common.Config) error {
 		if err != nil {
 			return fmt.Errorf("parse timeout value '%s': %w", value, err)
 		}
+
 		config.Timeout = n
 	case common.Debug:
 		debug, err := strconv.ParseBool(value)
 		if err != nil {
 			return fmt.Errorf("parse debug value '%s': %w", value, err)
 		}
+
 		config.Debug = debug
 	case common.PullImageOnCreate:
 		pi, err := strconv.ParseBool(value)
 		if err != nil {
 			return fmt.Errorf("parse pull-image-on-create value '%s': %w", value, err)
 		}
+
 		config.PullImageOnCreate = pi
 	case common.DisablePullOnRun:
 		pi, err := strconv.ParseBool(value)
 		if err != nil {
 			return fmt.Errorf("parse disable-pull-on-run value '%s': %w", value, err)
 		}
+
 		config.DisablePullOnRun = pi
 	default:
 		return fmt.Errorf("no configuration option named %s", key)
 	}
+
 	return nil
 }