fix indent

Author: yuwenma

go/fn/examples/example_asmain_runner_test.go

@@ -4,7 +4,7 @@
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
-//	http://www.apache.org/licenses/LICENSE-2.0
+//    http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ -14,31 +14,31 @@
 package example
 
 import (
-	"os"
+    "os"
 
-	"github.com/GoogleContainerTools/kpt-functions-sdk/go/fn"
+    "github.com/GoogleContainerTools/kpt-functions-sdk/go/fn"
 )
 
 var _ fn.Runner = &SetLabels{}
 
 type SetLabels struct {
-	Labels map[string]string `json:"labels,omitempty"`
+    Labels map[string]string `json:"labels,omitempty"`
 }
 
 // Run is the main function logic.
 // `ctx` provides easy methods to add info, error or warning result to `ResourceList.Results`.
 // `items` is parsed from the STDIN "ResourceList.Items".
 // `functionConfig` is from the STDIN "ResourceList.FunctionConfig". The value has been assigned to the r.Labels
 //
-//	the functionConfig is validated to have kind "SetLabels" and apiVersion "fn.kpt.dev/v1alpha1"
+//    the functionConfig is validated to have kind "SetLabels" and apiVersion "fn.kpt.dev/v1alpha1"
 func (r *SetLabels) Run(_ *fn.Context, _ *fn.KubeObject, items fn.KubeObjects, results *fn.Results) bool {
-	for _, o := range items {
-		for k, newLabel := range r.Labels {
-			o.SetLabel(k, newLabel)
-		}
-	}
-	results.Infof("updated labels")
-	return true
+    for _, o := range items {
+    for k, newLabel := range r.Labels {
+    o.SetLabel(k, newLabel)
+    }
+    }
+    results.Infof("updated labels")
+    return true
 }
 
 // This example uses a SetLabels object, which implements `Runner.Run` methods.
@@ -50,36 +50,35 @@ func (r *SetLabels) Run(_ *fn.Context, _ *fn.KubeObject, items fn.KubeObjects, r
 //   - apiVersion: v1
 //     kind: Service
 //     metadata:
-//     name: example
+//       name: example
 //
 // functionConfig:
-//
-//	apiVersion: fn.kpt.dev/v1alpha1
-//	kind: SetLabels
-//	metadata:
-//	  name: setlabel-fn-config
+//    apiVersion: fn.kpt.dev/v1alpha1
+//    kind: SetLabels
+//    metadata:
+//      name: setlabel-fn-config
 func Example_asMain() {
-	file, _ := os.Open("./data/setlabels-resourcelist.yaml")
-	defer file.Close()
-	os.Stdin = file
+    file, _ := os.Open("./data/setlabels-resourcelist.yaml")
+    defer file.Close()
+    os.Stdin = file
 
-	if err := fn.AsMain(&SetLabels{}); err != nil {
-		os.Exit(1)
-	}
-	// Output:
-	// apiVersion: config.kubernetes.io/v1
-	// kind: ResourceList
-	// items:
-	// - apiVersion: v1
-	//   kind: Service
-	//   metadata:
-	//     name: example
-	// functionConfig:
-	//   apiVersion: fn.kpt.dev/v1alpha1
-	//   kind: SetLabels
-	//   metadata:
-	//     name: setlabel-fn-config
-	// results:
-	// - message: updated labels
-	//   severity: info
+    if err := fn.AsMain(&SetLabels{}); err != nil {
+    os.Exit(1)
+    }
+    // Output:
+    // apiVersion: config.kubernetes.io/v1
+    // kind: ResourceList
+    // items:
+    // - apiVersion: v1
+    //   kind: Service
+    //   metadata:
+    //     name: example
+    // functionConfig:
+    //   apiVersion: fn.kpt.dev/v1alpha1
+    //   kind: SetLabels
+    //   metadata:
+    //     name: setlabel-fn-config
+    // results:
+    // - message: updated labels
+    //   severity: info
 }