Move transfer and unpack packages

Packages related to transfer and unpacking provide core interfaces which
use other core interfaces and part of common functionality.

Signed-off-by: Derek McGowan <derek@mcg.dev>

client/pull.go

@@ -28,8 +28,8 @@ import (
 	"github.com/containerd/containerd/v2/core/remotes"
 	"github.com/containerd/containerd/v2/core/remotes/docker"
 	"github.com/containerd/containerd/v2/core/remotes/docker/schema1" //nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
+	"github.com/containerd/containerd/v2/core/unpack"
 	"github.com/containerd/containerd/v2/pkg/tracing"
-	"github.com/containerd/containerd/v2/pkg/unpack"
 	"github.com/containerd/errdefs"
 	"github.com/containerd/platforms"
 )

client/transfer.go

@@ -23,9 +23,9 @@ import (
 
 	streamingapi "github.com/containerd/containerd/v2/api/services/streaming/v1"
 	transferapi "github.com/containerd/containerd/v2/api/services/transfer/v1"
-	"github.com/containerd/containerd/v2/pkg/streaming"
-	"github.com/containerd/containerd/v2/pkg/transfer"
-	"github.com/containerd/containerd/v2/pkg/transfer/proxy"
+	"github.com/containerd/containerd/v2/core/streaming"
+	"github.com/containerd/containerd/v2/core/transfer"
+	"github.com/containerd/containerd/v2/core/transfer/proxy"
 	"github.com/containerd/containerd/v2/protobuf"
 	"github.com/containerd/errdefs"
 	"github.com/containerd/typeurl/v2"

cmd/ctr/commands/images/export.go

@@ -26,9 +26,9 @@ import (
 
 	"github.com/containerd/containerd/v2/cmd/ctr/commands"
 	"github.com/containerd/containerd/v2/core/images/archive"
-	"github.com/containerd/containerd/v2/pkg/transfer"
-	tarchive "github.com/containerd/containerd/v2/pkg/transfer/archive"
-	"github.com/containerd/containerd/v2/pkg/transfer/image"
+	"github.com/containerd/containerd/v2/core/transfer"
+	tarchive "github.com/containerd/containerd/v2/core/transfer/archive"
+	"github.com/containerd/containerd/v2/core/transfer/image"
 	"github.com/containerd/platforms"
 )
 

cmd/ctr/commands/images/import.go

@@ -28,9 +28,9 @@ import (
 	containerd "github.com/containerd/containerd/v2/client"
 	"github.com/containerd/containerd/v2/cmd/ctr/commands"
 	"github.com/containerd/containerd/v2/core/images/archive"
-	"github.com/containerd/containerd/v2/pkg/transfer"
-	tarchive "github.com/containerd/containerd/v2/pkg/transfer/archive"
-	"github.com/containerd/containerd/v2/pkg/transfer/image"
+	"github.com/containerd/containerd/v2/core/transfer"
+	tarchive "github.com/containerd/containerd/v2/core/transfer/archive"
+	"github.com/containerd/containerd/v2/core/transfer/image"
 	"github.com/containerd/log"
 	"github.com/containerd/platforms"
 )

cmd/ctr/commands/images/pull.go

@@ -28,10 +28,10 @@ import (
 	"github.com/containerd/containerd/v2/cmd/ctr/commands"
 	"github.com/containerd/containerd/v2/cmd/ctr/commands/content"
 	"github.com/containerd/containerd/v2/core/images"
+	"github.com/containerd/containerd/v2/core/transfer"
+	"github.com/containerd/containerd/v2/core/transfer/image"
+	"github.com/containerd/containerd/v2/core/transfer/registry"
 	"github.com/containerd/containerd/v2/pkg/progress"
-	"github.com/containerd/containerd/v2/pkg/transfer"
-	"github.com/containerd/containerd/v2/pkg/transfer/image"
-	"github.com/containerd/containerd/v2/pkg/transfer/registry"
 	"github.com/containerd/log"
 	"github.com/containerd/platforms"
 	"github.com/opencontainers/image-spec/identity"

cmd/ctr/commands/images/push.go

@@ -32,10 +32,10 @@ import (
 	"github.com/containerd/containerd/v2/core/images"
 	"github.com/containerd/containerd/v2/core/remotes"
 	"github.com/containerd/containerd/v2/core/remotes/docker"
+	"github.com/containerd/containerd/v2/core/transfer"
+	"github.com/containerd/containerd/v2/core/transfer/image"
+	"github.com/containerd/containerd/v2/core/transfer/registry"
 	"github.com/containerd/containerd/v2/pkg/progress"
-	"github.com/containerd/containerd/v2/pkg/transfer"
-	"github.com/containerd/containerd/v2/pkg/transfer/image"
-	"github.com/containerd/containerd/v2/pkg/transfer/registry"
 	"github.com/containerd/log"
 	"github.com/containerd/platforms"
 	digest "github.com/opencontainers/go-digest"

cmd/ctr/commands/images/tag.go

@@ -22,7 +22,7 @@ import (
 	"github.com/urfave/cli"
 
 	"github.com/containerd/containerd/v2/cmd/ctr/commands"
-	"github.com/containerd/containerd/v2/pkg/transfer/image"
+	"github.com/containerd/containerd/v2/core/transfer/image"
 	"github.com/containerd/errdefs"
 	"github.com/distribution/reference"
 )

cmd/ctr/commands/resolver.go

@@ -34,7 +34,7 @@ import (
 	"github.com/containerd/containerd/v2/core/remotes"
 	"github.com/containerd/containerd/v2/core/remotes/docker"
 	"github.com/containerd/containerd/v2/core/remotes/docker/config"
-	"github.com/containerd/containerd/v2/pkg/transfer/registry"
+	"github.com/containerd/containerd/v2/core/transfer/registry"
 	"github.com/containerd/log"
 	"github.com/urfave/cli"
 )

core/transfer/archive/exporter.go

@@ -28,9 +28,9 @@ import (
 	"github.com/containerd/containerd/v2/core/content"
 	"github.com/containerd/containerd/v2/core/images"
 	"github.com/containerd/containerd/v2/core/images/archive"
-	"github.com/containerd/containerd/v2/pkg/streaming"
-	"github.com/containerd/containerd/v2/pkg/transfer/plugins"
-	tstreaming "github.com/containerd/containerd/v2/pkg/transfer/streaming"
+	"github.com/containerd/containerd/v2/core/streaming"
+	"github.com/containerd/containerd/v2/core/transfer/plugins"
+	tstreaming "github.com/containerd/containerd/v2/core/transfer/streaming"
 	"github.com/containerd/log"
 	"github.com/containerd/platforms"
 )

core/transfer/archive/importer.go

@@ -26,8 +26,8 @@ import (
 	transferapi "github.com/containerd/containerd/v2/api/types/transfer"
 	"github.com/containerd/containerd/v2/core/content"
 	"github.com/containerd/containerd/v2/core/images/archive"
-	"github.com/containerd/containerd/v2/pkg/streaming"
-	tstreaming "github.com/containerd/containerd/v2/pkg/transfer/streaming"
+	"github.com/containerd/containerd/v2/core/streaming"
+	tstreaming "github.com/containerd/containerd/v2/core/transfer/streaming"
 	"github.com/containerd/log"
 )
 

core/transfer/image/imagestore.go

@@ -29,9 +29,9 @@ import (
 	"github.com/containerd/containerd/v2/core/images"
 	"github.com/containerd/containerd/v2/core/images/archive"
 	"github.com/containerd/containerd/v2/core/remotes"
-	"github.com/containerd/containerd/v2/pkg/streaming"
-	"github.com/containerd/containerd/v2/pkg/transfer"
-	"github.com/containerd/containerd/v2/pkg/transfer/plugins"
+	"github.com/containerd/containerd/v2/core/streaming"
+	"github.com/containerd/containerd/v2/core/transfer"
+	"github.com/containerd/containerd/v2/core/transfer/plugins"
 	"github.com/containerd/errdefs"
 	"github.com/containerd/platforms"
 )

core/transfer/local/export.go

@@ -20,7 +20,7 @@ import (
 	"context"
 
 	"github.com/containerd/containerd/v2/core/images"
-	"github.com/containerd/containerd/v2/pkg/transfer"
+	"github.com/containerd/containerd/v2/core/transfer"
 )
 
 func (ts *localTransferService) exportStream(ctx context.Context, ig transfer.ImageGetter, is transfer.ImageExporter, tops *transfer.Config) error {

core/transfer/local/import.go

@@ -25,8 +25,8 @@ import (
 
 	"github.com/containerd/containerd/v2/core/content"
 	"github.com/containerd/containerd/v2/core/images"
-	"github.com/containerd/containerd/v2/pkg/transfer"
-	"github.com/containerd/containerd/v2/pkg/unpack"
+	"github.com/containerd/containerd/v2/core/transfer"
+	"github.com/containerd/containerd/v2/core/unpack"
 	"github.com/containerd/errdefs"
 	"github.com/containerd/log"
 )

core/transfer/local/progress.go

@@ -24,7 +24,7 @@ import (
 
 	"github.com/containerd/containerd/v2/core/content"
 	"github.com/containerd/containerd/v2/core/remotes"
-	"github.com/containerd/containerd/v2/pkg/transfer"
+	"github.com/containerd/containerd/v2/core/transfer"
 	"github.com/containerd/log"
 	"github.com/opencontainers/go-digest"
 	ocispec "github.com/opencontainers/image-spec/specs-go/v1"

core/transfer/local/pull.go

@@ -24,9 +24,9 @@ import (
 	"github.com/containerd/containerd/v2/core/images"
 	"github.com/containerd/containerd/v2/core/remotes"
 	"github.com/containerd/containerd/v2/core/remotes/docker"
+	"github.com/containerd/containerd/v2/core/transfer"
+	"github.com/containerd/containerd/v2/core/unpack"
 	"github.com/containerd/containerd/v2/defaults"
-	"github.com/containerd/containerd/v2/pkg/transfer"
-	"github.com/containerd/containerd/v2/pkg/unpack"
 	"github.com/containerd/errdefs"
 	"github.com/containerd/log"
 	ocispec "github.com/opencontainers/image-spec/specs-go/v1"

core/transfer/local/pull_test.go

@@ -19,9 +19,9 @@ package local
 import (
 	"testing"
 
+	"github.com/containerd/containerd/v2/core/transfer"
+	"github.com/containerd/containerd/v2/core/unpack"
 	"github.com/containerd/containerd/v2/defaults"
-	"github.com/containerd/containerd/v2/pkg/transfer"
-	"github.com/containerd/containerd/v2/pkg/unpack"
 	"github.com/containerd/platforms"
 )
 

core/transfer/local/push.go

@@ -25,7 +25,7 @@ import (
 	"github.com/containerd/containerd/v2/core/content"
 	"github.com/containerd/containerd/v2/core/images"
 	"github.com/containerd/containerd/v2/core/remotes"
-	"github.com/containerd/containerd/v2/pkg/transfer"
+	"github.com/containerd/containerd/v2/core/transfer"
 	"github.com/containerd/errdefs"
 	"github.com/containerd/platforms"
 	"github.com/opencontainers/go-digest"

core/transfer/local/tag.go

@@ -19,7 +19,7 @@ package local
 import (
 	"context"
 
-	"github.com/containerd/containerd/v2/pkg/transfer"
+	"github.com/containerd/containerd/v2/core/transfer"
 )
 
 func (ts *localTransferService) tag(ctx context.Context, ig transfer.ImageGetter, is transfer.ImageStorer, tops *transfer.Config) error {

core/transfer/local/transfer.go

@@ -28,10 +28,10 @@ import (
 	"github.com/containerd/containerd/v2/core/content"
 	"github.com/containerd/containerd/v2/core/images"
 	"github.com/containerd/containerd/v2/core/leases"
+	"github.com/containerd/containerd/v2/core/transfer"
+	"github.com/containerd/containerd/v2/core/unpack"
 	"github.com/containerd/containerd/v2/internal/kmutex"
 	"github.com/containerd/containerd/v2/pkg/imageverifier"
-	"github.com/containerd/containerd/v2/pkg/transfer"
-	"github.com/containerd/containerd/v2/pkg/unpack"
 	"github.com/containerd/errdefs"
 )
 

core/transfer/proxy/transfer.go

@@ -25,10 +25,10 @@ import (
 
 	transferapi "github.com/containerd/containerd/v2/api/services/transfer/v1"
 	transfertypes "github.com/containerd/containerd/v2/api/types/transfer"
+	"github.com/containerd/containerd/v2/core/streaming"
+	"github.com/containerd/containerd/v2/core/transfer"
+	tstreaming "github.com/containerd/containerd/v2/core/transfer/streaming"
 	"github.com/containerd/containerd/v2/pkg/oci"
-	"github.com/containerd/containerd/v2/pkg/streaming"
-	"github.com/containerd/containerd/v2/pkg/transfer"
-	tstreaming "github.com/containerd/containerd/v2/pkg/transfer/streaming"
 	"github.com/containerd/log"
 	"github.com/containerd/typeurl/v2"
 	ocispec "github.com/opencontainers/image-spec/specs-go/v1"

core/transfer/registry/registry.go

@@ -28,10 +28,10 @@ import (
 	transfertypes "github.com/containerd/containerd/v2/api/types/transfer"
 	"github.com/containerd/containerd/v2/core/remotes"
 	"github.com/containerd/containerd/v2/core/remotes/docker"
-	"github.com/containerd/containerd/v2/pkg/streaming"
-	"github.com/containerd/containerd/v2/pkg/transfer"
-	"github.com/containerd/containerd/v2/pkg/transfer/plugins"
-	tstreaming "github.com/containerd/containerd/v2/pkg/transfer/streaming"
+	"github.com/containerd/containerd/v2/core/streaming"
+	"github.com/containerd/containerd/v2/core/transfer"
+	"github.com/containerd/containerd/v2/core/transfer/plugins"
+	tstreaming "github.com/containerd/containerd/v2/core/transfer/streaming"
 	"github.com/containerd/log"
 	"github.com/containerd/typeurl/v2"
 	ocispec "github.com/opencontainers/image-spec/specs-go/v1"

core/transfer/streaming/stream.go

@@ -27,7 +27,7 @@ import (
 	"time"
 
 	transferapi "github.com/containerd/containerd/v2/api/types/transfer"
-	"github.com/containerd/containerd/v2/pkg/streaming"
+	"github.com/containerd/containerd/v2/core/streaming"
 	"github.com/containerd/log"
 	"github.com/containerd/typeurl/v2"
 )

core/transfer/streaming/stream_test.go

@@ -22,7 +22,7 @@ import (
 	"io"
 	"testing"
 
-	"github.com/containerd/containerd/v2/pkg/streaming"
+	"github.com/containerd/containerd/v2/core/streaming"
 	"github.com/containerd/typeurl/v2"
 )
 

core/transfer/streaming/writer.go

@@ -23,7 +23,7 @@ import (
 	"sync/atomic"
 
 	transferapi "github.com/containerd/containerd/v2/api/types/transfer"
-	"github.com/containerd/containerd/v2/pkg/streaming"
+	"github.com/containerd/containerd/v2/core/streaming"
 	"github.com/containerd/log"
 	"github.com/containerd/typeurl/v2"
 )

integration/client/import_test.go

@@ -37,13 +37,13 @@ import (
 	"github.com/containerd/containerd/v2/core/images"
 	"github.com/containerd/containerd/v2/core/images/archive"
 	"github.com/containerd/containerd/v2/core/leases"
+	"github.com/containerd/containerd/v2/core/transfer"
+	tarchive "github.com/containerd/containerd/v2/core/transfer/archive"
+	"github.com/containerd/containerd/v2/core/transfer/image"
 	"github.com/containerd/containerd/v2/pkg/archive/compression"
 	"github.com/containerd/containerd/v2/pkg/archive/tartest"
 	"github.com/containerd/containerd/v2/pkg/namespaces"
 	"github.com/containerd/containerd/v2/pkg/oci"
-	"github.com/containerd/containerd/v2/pkg/transfer"
-	tarchive "github.com/containerd/containerd/v2/pkg/transfer/archive"
-	"github.com/containerd/containerd/v2/pkg/transfer/image"
 	"github.com/containerd/platforms"
 	"github.com/google/uuid"
 

integration/client/transfer_test.go

@@ -24,7 +24,7 @@ import (
 	"testing"
 
 	containerd "github.com/containerd/containerd/v2/client"
-	"github.com/containerd/containerd/v2/pkg/transfer/archive"
+	"github.com/containerd/containerd/v2/core/transfer/archive"
 )
 
 func TestTransferEcho(t *testing.T) {

plugins/services/streaming/service.go

@@ -21,7 +21,7 @@ import (
 	"io"
 
 	api "github.com/containerd/containerd/v2/api/services/streaming/v1"
-	"github.com/containerd/containerd/v2/pkg/streaming"
+	"github.com/containerd/containerd/v2/core/streaming"
 	"github.com/containerd/containerd/v2/plugins"
 	"github.com/containerd/containerd/v2/protobuf"
 	ptypes "github.com/containerd/containerd/v2/protobuf/types"

plugins/services/transfer/service.go

@@ -22,10 +22,10 @@ import (
 	transferapi "github.com/containerd/containerd/v2/api/services/transfer/v1"
 	"github.com/containerd/containerd/v2/api/types"
 	transferTypes "github.com/containerd/containerd/v2/api/types/transfer"
+	"github.com/containerd/containerd/v2/core/streaming"
+	"github.com/containerd/containerd/v2/core/transfer"
+	tplugins "github.com/containerd/containerd/v2/core/transfer/plugins"
 	"github.com/containerd/containerd/v2/pkg/oci"
-	"github.com/containerd/containerd/v2/pkg/streaming"
-	"github.com/containerd/containerd/v2/pkg/transfer"
-	tplugins "github.com/containerd/containerd/v2/pkg/transfer/plugins"
 	"github.com/containerd/containerd/v2/plugins"
 	ptypes "github.com/containerd/containerd/v2/protobuf/types"
 	"github.com/containerd/errdefs"

plugins/streaming/manager.go

@@ -23,9 +23,9 @@ import (
 
 	"github.com/containerd/containerd/v2/core/leases"
 	"github.com/containerd/containerd/v2/core/metadata"
+	"github.com/containerd/containerd/v2/core/streaming"
 	"github.com/containerd/containerd/v2/pkg/gc"
 	"github.com/containerd/containerd/v2/pkg/namespaces"
-	"github.com/containerd/containerd/v2/pkg/streaming"
 	"github.com/containerd/containerd/v2/plugins"
 	"github.com/containerd/errdefs"
 	"github.com/containerd/plugin"

plugins/transfer/plugin.go

@@ -22,9 +22,9 @@ import (
 	"github.com/containerd/containerd/v2/core/diff"
 	"github.com/containerd/containerd/v2/core/leases"
 	"github.com/containerd/containerd/v2/core/metadata"
+	"github.com/containerd/containerd/v2/core/transfer/local"
+	"github.com/containerd/containerd/v2/core/unpack"
 	"github.com/containerd/containerd/v2/pkg/imageverifier"
-	"github.com/containerd/containerd/v2/pkg/transfer/local"
-	"github.com/containerd/containerd/v2/pkg/unpack"
 	"github.com/containerd/containerd/v2/plugins"
 	"github.com/containerd/errdefs"
 	"github.com/containerd/log"
@@ -33,9 +33,9 @@ import (
 	"github.com/containerd/plugin/registry"
 
 	// Load packages with type registrations
-	_ "github.com/containerd/containerd/v2/pkg/transfer/archive"
-	_ "github.com/containerd/containerd/v2/pkg/transfer/image"
-	_ "github.com/containerd/containerd/v2/pkg/transfer/registry"
+	_ "github.com/containerd/containerd/v2/core/transfer/archive"
+	_ "github.com/containerd/containerd/v2/core/transfer/image"
+	_ "github.com/containerd/containerd/v2/core/transfer/registry"
 )
 
 // Register local transfer service plugin