1 files changed, 0 insertions, 156 deletions
diff --git a/vendor/github.com/Microsoft/hcsshim/exportlayer.go b/vendor/github.com/Microsoft/hcsshim/exportlayer.go
deleted file mode 100644
index d7025f20b..000000000
--- a/vendor/github.com/Microsoft/hcsshim/exportlayer.go
+++ /dev/null
@@ -1,156 +0,0 @@
-package hcsshim
-
-import (
-	"io"
-	"io/ioutil"
-	"os"
-	"syscall"
-
-	"github.com/Microsoft/go-winio"
-	"github.com/sirupsen/logrus"
-)
-
-// ExportLayer will create a folder at exportFolderPath and fill that folder with
-// the transport format version of the layer identified by layerId. This transport
-// format includes any metadata required for later importing the layer (using
-// ImportLayer), and requires the full list of parent layer paths in order to
-// perform the export.
-func ExportLayer(info DriverInfo, layerId string, exportFolderPath string, parentLayerPaths []string) error {
-	title := "hcsshim::ExportLayer "
-	logrus.Debugf(title+"flavour %d layerId %s folder %s", info.Flavour, layerId, exportFolderPath)
-
-	// Generate layer descriptors
-	layers, err := layerPathsToDescriptors(parentLayerPaths)
-	if err != nil {
-		return err
-	}
-
-	// Convert info to API calling convention
-	infop, err := convertDriverInfo(info)
-	if err != nil {
-		logrus.Error(err)
-		return err
-	}
-
-	err = exportLayer(&infop, layerId, exportFolderPath, layers)
-	if err != nil {
-		err = makeErrorf(err, title, "layerId=%s flavour=%d folder=%s", layerId, info.Flavour, exportFolderPath)
-		logrus.Error(err)
-		return err
-	}
-
-	logrus.Debugf(title+"succeeded flavour=%d layerId=%s folder=%s", info.Flavour, layerId, exportFolderPath)
-	return nil
-}
-
-type LayerReader interface {
-	Next() (string, int64, *winio.FileBasicInfo, error)
-	Read(b []byte) (int, error)
-	Close() error
-}
-
-// FilterLayerReader provides an interface for extracting the contents of an on-disk layer.
-type FilterLayerReader struct {
-	context uintptr
-}
-
-// Next reads the next available file from a layer, ensuring that parent directories are always read
-// before child files and directories.
-//
-// Next returns the file's relative path, size, and basic file metadata. Read() should be used to
-// extract a Win32 backup stream with the remainder of the metadata and the data.
-func (r *FilterLayerReader) Next() (string, int64, *winio.FileBasicInfo, error) {
-	var fileNamep *uint16
-	fileInfo := &winio.FileBasicInfo{}
-	var deleted uint32
-	var fileSize int64
-	err := exportLayerNext(r.context, &fileNamep, fileInfo, &fileSize, &deleted)
-	if err != nil {
-		if err == syscall.ERROR_NO_MORE_FILES {
-			err = io.EOF
-		} else {
-			err = makeError(err, "ExportLayerNext", "")
-		}
-		return "", 0, nil, err
-	}
-	fileName := convertAndFreeCoTaskMemString(fileNamep)
-	if deleted != 0 {
-		fileInfo = nil
-	}
-	if fileName[0] == '\\' {
-		fileName = fileName[1:]
-	}
-	return fileName, fileSize, fileInfo, nil
-}
-
-// Read reads from the current file's Win32 backup stream.
-func (r *FilterLayerReader) Read(b []byte) (int, error) {
-	var bytesRead uint32
-	err := exportLayerRead(r.context, b, &bytesRead)
-	if err != nil {
-		return 0, makeError(err, "ExportLayerRead", "")
-	}
-	if bytesRead == 0 {
-		return 0, io.EOF
-	}
-	return int(bytesRead), nil
-}
-
-// Close frees resources associated with the layer reader. It will return an
-// error if there was an error while reading the layer or of the layer was not
-// completely read.
-func (r *FilterLayerReader) Close() (err error) {
-	if r.context != 0 {
-		err = exportLayerEnd(r.context)
-		if err != nil {
-			err = makeError(err, "ExportLayerEnd", "")
-		}
-		r.context = 0
-	}
-	return
-}
-
-// NewLayerReader returns a new layer reader for reading the contents of an on-disk layer.
-// The caller must have taken the SeBackupPrivilege privilege
-// to call this and any methods on the resulting LayerReader.
-func NewLayerReader(info DriverInfo, layerID string, parentLayerPaths []string) (LayerReader, error) {
-	if procExportLayerBegin.Find() != nil {
-		// The new layer reader is not available on this Windows build. Fall back to the
-		// legacy export code path.
-		path, err := ioutil.TempDir("", "hcs")
-		if err != nil {
-			return nil, err
-		}
-		err = ExportLayer(info, layerID, path, parentLayerPaths)
-		if err != nil {
-			os.RemoveAll(path)
-			return nil, err
-		}
-		return &legacyLayerReaderWrapper{newLegacyLayerReader(path)}, nil
-	}
-
-	layers, err := layerPathsToDescriptors(parentLayerPaths)
-	if err != nil {
-		return nil, err
-	}
-	infop, err := convertDriverInfo(info)
-	if err != nil {
-		return nil, err
-	}
-	r := &FilterLayerReader{}
-	err = exportLayerBegin(&infop, layerID, layers, &r.context)
-	if err != nil {
-		return nil, makeError(err, "ExportLayerBegin", "")
-	}
-	return r, err
-}
-
-type legacyLayerReaderWrapper struct {
-	*legacyLayerReader
-}
-
-func (r *legacyLayerReaderWrapper) Close() error {
-	err := r.legacyLayerReader.Close()
-	os.RemoveAll(r.root)
-	return err
-}