Migrate to golangci-lint

Signed-off-by: Tam Mach <sayboras@yahoo.com>

registry/storage/blob_test.go

@@ -418,7 +418,7 @@ func TestBlobMount(t *testing.T) {
 
 	bs := repository.Blobs(ctx)
 	// Test destination for existence.
-	statDesc, err = bs.Stat(ctx, desc.Digest)
+	_, err = bs.Stat(ctx, desc.Digest)
 	if err == nil {
 		t.Fatalf("unexpected non-error stating unmounted blob: %v", desc)
 	}
@@ -478,12 +478,12 @@ func TestBlobMount(t *testing.T) {
 		t.Fatalf("Unexpected error deleting blob")
 	}
 
-	d, err := bs.Stat(ctx, desc.Digest)
+	_, err = bs.Stat(ctx, desc.Digest)
 	if err != nil {
 		t.Fatalf("unexpected error stating blob deleted from source repository: %v", err)
 	}
 
-	d, err = sbs.Stat(ctx, desc.Digest)
+	d, err := sbs.Stat(ctx, desc.Digest)
 	if err == nil {
 		t.Fatalf("unexpected non-error stating deleted blob: %v", d)
 	}

registry/storage/cache/cachecheck/suite.go

@@ -173,8 +173,7 @@ func checkBlobDescriptorCacheClear(ctx context.Context, t *testing.T, provider c
 		t.Error(err)
 	}
 
-	desc, err = cache.Stat(ctx, localDigest)
-	if err == nil {
+	if _, err = cache.Stat(ctx, localDigest); err == nil {
 		t.Fatalf("expected error statting deleted blob: %v", err)
 	}
 }

registry/storage/driver/filesystem/driver_test.go

@@ -36,7 +36,7 @@ func init() {
 func TestFromParametersImpl(t *testing.T) {
 
 	tests := []struct {
-		params   map[string]interface{} // techincally the yaml can contain anything
+		params   map[string]interface{} // technically the yaml can contain anything
 		expected DriverParameters
 		pass     bool
 	}{

registry/storage/driver/middleware/cloudfront/middleware.go

@@ -16,7 +16,7 @@ import (
 	"github.com/aws/aws-sdk-go/service/cloudfront/sign"
 	dcontext "github.com/docker/distribution/context"
 	storagedriver "github.com/docker/distribution/registry/storage/driver"
-	"github.com/docker/distribution/registry/storage/driver/middleware"
+	storagemiddleware "github.com/docker/distribution/registry/storage/driver/middleware"
 )
 
 // cloudFrontStorageMiddleware provides a simple implementation of layerHandler that

registry/storage/driver/s3-aws/s3.go

@@ -366,7 +366,7 @@ func FromParameters(parameters map[string]interface{}) (*Driver, error) {
 	return New(params)
 }
 
-// getParameterAsInt64 converts paramaters[name] to an int64 value (using
+// getParameterAsInt64 converts parameters[name] to an int64 value (using
 // defaultt if nil), verifies it is no smaller than min, and returns it.
 func getParameterAsInt64(parameters map[string]interface{}, name string, defaultt int64, min int64, max int64) (int64, error) {
 	rv := defaultt

registry/storage/manifeststore.go

@@ -13,7 +13,7 @@ import (
 	"github.com/docker/distribution/manifest/schema1"
 	"github.com/docker/distribution/manifest/schema2"
 	"github.com/opencontainers/go-digest"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 // A ManifestHandler gets and puts manifests of a particular type.

registry/storage/manifeststore_test.go

@@ -19,7 +19,7 @@ import (
 	"github.com/docker/distribution/testutil"
 	"github.com/docker/libtrust"
 	"github.com/opencontainers/go-digest"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 type manifestStoreTestEnv struct {

registry/storage/ocimanifesthandler.go

@@ -9,7 +9,7 @@ import (
 	dcontext "github.com/docker/distribution/context"
 	"github.com/docker/distribution/manifest/ocischema"
 	"github.com/opencontainers/go-digest"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 //ocischemaManifestHandler is a ManifestHandler that covers ocischema manifests.

registry/storage/ocimanifesthandler_test.go

@@ -9,7 +9,7 @@ import (
 	"github.com/docker/distribution/manifest"
 	"github.com/docker/distribution/manifest/ocischema"
 	"github.com/docker/distribution/registry/storage/driver/inmemory"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 func TestVerifyOCIManifestNonDistributableLayer(t *testing.T) {

registry/storage/schema2manifesthandler.go

@@ -92,7 +92,7 @@ func (ms *schema2ManifestHandler) verifyManifest(ctx context.Context, mnfst sche
 		switch descriptor.MediaType {
 		case schema2.MediaTypeForeignLayer:
 			// Clients download this layer from an external URL, so do not check for
-			// its presense.
+			// its presence.
 			if len(descriptor.URLs) == 0 {
 				err = errMissingURL
 			}