Fix some nits in the crawler and elsewhere.

api/builtins/AnnotationsTransformer.go

@@ -17,7 +17,7 @@ type AnnotationsTransformerPlugin struct {
 }
 
 func (p *AnnotationsTransformerPlugin) Config(
-	h *resmap.PluginHelpers, c []byte) (err error) {
+	_ *resmap.PluginHelpers, c []byte) (err error) {
 	p.Annotations = nil
 	p.FieldSpecs = nil
 	return yaml.Unmarshal(c, p)

api/builtins/HashTransformer.go

@@ -15,7 +15,7 @@ type HashTransformerPlugin struct {
 }
 
 func (p *HashTransformerPlugin) Config(
-	h *resmap.PluginHelpers, config []byte) (err error) {
+	h *resmap.PluginHelpers, _ []byte) (err error) {
 	p.hasher = h.ResmapFactory().RF().Hasher()
 	return nil
 }

api/builtins/ImageTagTransformer.go

@@ -23,7 +23,7 @@ type ImageTagTransformerPlugin struct {
 }
 
 func (p *ImageTagTransformerPlugin) Config(
-	h *resmap.PluginHelpers, c []byte) (err error) {
+	_ *resmap.PluginHelpers, c []byte) (err error) {
 	p.ImageTag = types.Image{}
 	p.FieldSpecs = nil
 	return yaml.Unmarshal(c, p)

api/builtins/LabelTransformer.go

@@ -17,7 +17,7 @@ type LabelTransformerPlugin struct {
 }
 
 func (p *LabelTransformerPlugin) Config(
-	h *resmap.PluginHelpers, c []byte) (err error) {
+	_ *resmap.PluginHelpers, c []byte) (err error) {
 	p.Labels = nil
 	p.FieldSpecs = nil
 	return yaml.Unmarshal(c, p)

api/builtins/LegacyOrderTransformer.go

@@ -20,7 +20,7 @@ type LegacyOrderTransformerPlugin struct{}
 
 // Nothing needed for configuration.
 func (p *LegacyOrderTransformerPlugin) Config(
-	h *resmap.PluginHelpers, c []byte) (err error) {
+	_ *resmap.PluginHelpers, _ []byte) (err error) {
 	return nil
 }
 

api/builtins/NamespaceTransformer.go

@@ -22,7 +22,7 @@ type NamespaceTransformerPlugin struct {
 }
 
 func (p *NamespaceTransformerPlugin) Config(
-	h *resmap.PluginHelpers, c []byte) (err error) {
+	_ *resmap.PluginHelpers, c []byte) (err error) {
 	p.Namespace = ""
 	p.FieldSpecs = nil
 	return yaml.Unmarshal(c, p)
@@ -75,7 +75,7 @@ func (p *NamespaceTransformerPlugin) applicableFieldSpecs(id resid.ResId) []type
 }
 
 func (p *NamespaceTransformerPlugin) changeNamespace(
-	referrer *resource.Resource) func(in interface{}) (interface{}, error) {
+	_ *resource.Resource) func(in interface{}) (interface{}, error) {
 	return func(in interface{}) (interface{}, error) {
 		switch in.(type) {
 		case string:

api/builtins/PrefixSuffixTransformer.go

@@ -33,7 +33,7 @@ var prefixSuffixFieldSpecsToSkip = []types.FieldSpec{
 }
 
 func (p *PrefixSuffixTransformerPlugin) Config(
-	h *resmap.PluginHelpers, c []byte) (err error) {
+	_ *resmap.PluginHelpers, c []byte) (err error) {
 	p.Prefix = ""
 	p.Suffix = ""
 	p.FieldSpecs = nil

api/builtins/ReplicaCountTransformer.go

@@ -22,8 +22,7 @@ type ReplicaCountTransformerPlugin struct {
 }
 
 func (p *ReplicaCountTransformerPlugin) Config(
-	h *resmap.PluginHelpers, c []byte) (err error) {
-
+	_ *resmap.PluginHelpers, c []byte) (err error) {
 	p.Replica = types.Replica{}
 	p.FieldSpecs = nil
 	return yaml.Unmarshal(c, p)

api/internal/crawl/cmd/crawler/crawler.go

@@ -92,7 +92,7 @@ func main() {
 				_, err := idx.Put("", d)
 				return err
 			default:
-				return fmt.Errorf("Type %T not supported", d)
+				return fmt.Errorf("type %T not supported", d)
 			}
 		},
 	)

api/internal/crawl/crawler/crawler_test.go

@@ -11,8 +11,8 @@ import (
 	"testing"
 	"time"
 
-	"sigs.k8s.io/kustomize/api/konfig"
 	"sigs.k8s.io/kustomize/api/internal/crawl/doc"
+	"sigs.k8s.io/kustomize/api/konfig"
 )
 
 const (
@@ -32,7 +32,7 @@ func (c testCrawler) Match(d *doc.Document) bool {
 	return d != nil && strings.HasPrefix(d.ID(), c.matchPrefix)
 }
 
-func (c testCrawler) FetchDocument(ctx context.Context, d *doc.Document) error {
+func (c testCrawler) FetchDocument(_ context.Context, d *doc.Document) error {
 	if i, ok := c.lukp[d.ID()]; ok {
 		d.DocumentData = c.docs[i].DocumentData
 		return nil
@@ -51,7 +51,7 @@ func (c testCrawler) FetchDocument(ctx context.Context, d *doc.Document) error {
 		d, c.matchPrefix)
 }
 
-func (c testCrawler) SetCreated(ctx context.Context, d *doc.Document) error {
+func (c testCrawler) SetCreated(_ context.Context, d *doc.Document) error {
 	d.CreationTime = &time.Time{}
 	return nil
 }
@@ -71,7 +71,7 @@ func newCrawler(matchPrefix string, err error,
 }
 
 // Crawl implements the Crawler interface for testing.
-func (c testCrawler) Crawl(ctx context.Context,
+func (c testCrawler) Crawl(_ context.Context,
 	output chan<- CrawledDocument) error {
 
 	for i, d := range c.docs {

api/internal/crawl/crawler/github/crawler.go

@@ -93,7 +93,7 @@ func (gc githubCrawler) Crawl(
 	return nil
 }
 
-func (gc githubCrawler) FetchDocument(ctx context.Context, d *doc.Document) error {
+func (gc githubCrawler) FetchDocument(_ context.Context, d *doc.Document) error {
 	repoURL := d.RepositoryURL + "/" + d.FilePath + "?ref=" + d.DefaultBranch
 	repoSpec, err := git.NewRepoSpecFromUrl(repoURL)
 	if err != nil {
@@ -132,7 +132,7 @@ func (gc githubCrawler) FetchDocument(ctx context.Context, d *doc.Document) erro
 	return fmt.Errorf("file not found: %s, error: %v", url, err)
 }
 
-func (gc githubCrawler) SetCreated(ctx context.Context, d *doc.Document) error {
+func (gc githubCrawler) SetCreated(_ context.Context, d *doc.Document) error {
 	fs := GhFileSpec{}
 	fs.Repository.FullName = d.RepositoryURL + "/" + d.FilePath
 	creationTime, err := gc.client.GetFileCreationTime(fs)

api/internal/crawl/crawler/github/queries.go

@@ -8,7 +8,6 @@ import (
 
 const (
 	perPageArg     = "per_page"
-	accessTokenArg = "access_token"
 )
 
 const githubMaxPageSize = 100
@@ -101,12 +100,6 @@ type RequestConfig struct {
 	perPage uint64
 }
 
-func NewRequestConfig(perPage uint64) RequestConfig {
-	return RequestConfig{
-		perPage: perPage,
-	}
-}
-
 // CodeSearchRequestWith given a list of query parameters that specify the
 // (patial) query, returns a request object with the (parital) query. Must call
 // the URL method to get the string value of the URL. See request.CopyWith, to

api/internal/crawl/crawler/github/queries_test.go

@@ -68,7 +68,6 @@ func TestQueryType(t *testing.T) {
 
 func TestGithubSearchQuery(t *testing.T) {
 	const (
-		accessToken = "random_token"
 		perPage     = 100
 	)
 

api/testutils/kusttest/harness.go

@@ -75,7 +75,7 @@ func (th Harness) MakeOptionsPluginsEnabled() krusty.Options {
 		if strings.Contains(err.Error(), "unable to find plugin root") {
 			th.t.Log(
 				"Tests that want to run with plugins enabled must be " +
-				"bookended by calls to MakeEnhancedHarness(), Reset().")
+					"bookended by calls to MakeEnhancedHarness(), Reset().")
 		}
 		th.t.Fatal(err)
 	}

api/testutils/resmaptest/rmbuilder.go

@@ -6,7 +6,6 @@ package resmaptest_test
 import (
 	"testing"
 
-	"sigs.k8s.io/kustomize/api/resid"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/resource"
 )
@@ -38,14 +37,6 @@ func (rm *rmBuilder) AddR(r *resource.Resource) *rmBuilder {
 	return rm
 }
 
-func (rm *rmBuilder) AddWithId(id resid.ResId, m map[string]interface{}) *rmBuilder {
-	err := rm.m.Append(rm.rf.FromMap(m))
-	if err != nil {
-		rm.t.Fatalf("test setup failure: %v", err)
-	}
-	return rm
-}
-
 func (rm *rmBuilder) AddWithName(n string, m map[string]interface{}) *rmBuilder {
 	err := rm.m.Append(rm.rf.FromMapWithName(n, m))
 	if err != nil {

api/testutils/valtest/fakevalidator.go

@@ -36,12 +36,12 @@ func MakeFakeValidator() *fakeValidator {
 }
 
 // ErrIfInvalidKey returns nil
-func (v *fakeValidator) ErrIfInvalidKey(k string) error {
+func (v *fakeValidator) ErrIfInvalidKey(_ string) error {
 	return nil
 }
 
 // IsEnvVarName returns nil
-func (v *fakeValidator) IsEnvVarName(k string) error {
+func (v *fakeValidator) IsEnvVarName(_ string) error {
 	return nil
 }
 

api/transform/mutatefield_test.go

@@ -22,7 +22,7 @@ var errExpected = fmt.Errorf("oops")
 const originalValue = "tomato"
 const newValue = "notThe" + originalValue
 
-func (m *noopMutator) mutate(in interface{}) (interface{}, error) {
+func (m *noopMutator) mutate(_ interface{}) (interface{}, error) {
 	m.wasCalled = true
 	return newValue, m.errorToReturn
 }