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diff.go
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diff.go
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package chrootarchive
import (
"io"
"github.com/docker/docker/pkg/archive"
)
// ApplyLayer parses a diff in the standard layer format from `layer`,
// and applies it to the directory `dest`. The stream `layer` can only be
// uncompressed.
// Returns the size in bytes of the contents of the layer.
func ApplyLayer(dest string, layer io.Reader) (size int64, err error) {
return applyLayerHandler(dest, layer, &archive.TarOptions{}, true)
}
// ApplyUncompressedLayer parses a diff in the standard layer format from
// `layer`, and applies it to the directory `dest`. The stream `layer`
// can only be uncompressed.
// Returns the size in bytes of the contents of the layer.
func ApplyUncompressedLayer(dest string, layer io.Reader, options *archive.TarOptions) (int64, error) {
return applyLayerHandler(dest, layer, options, false)
}