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Tidy platform common bits in diff

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Signed-off-by: John Howard <jhoward@microsoft.com>
This commit is contained in:
John Howard 2015-07-30 13:04:36 -07:00
parent 9f198e9313
commit 786c3fafa0
3 changed files with 23 additions and 33 deletions
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19
chrootarchive/diff.go Normal file
View file

@ -0,0 +1,19 @@
package chrootarchive
import "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 archive.ArchiveReader) (size int64, err error) {
return applyLayerHandler(dest, layer, 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 archive.ArchiveReader) (int64, error) {
return applyLayerHandler(dest, layer, false)
}

19
chrootarchive/diff_unix.go
View file

@ -65,22 +65,9 @@ func applyLayer() {
os.Exit(0)
}
// 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 archive.ArchiveReader) (size int64, err error) {
return applyLayerHandler(dest, layer, 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 archive.ArchiveReader) (int64, error) {
return applyLayerHandler(dest, layer, false)
}
// applyLayerHandler parses a diff in the standard layer format from `layer`, and
// applies it to the directory `dest`. Returns the size in bytes of the
// contents of the layer.
func applyLayerHandler(dest string, layer archive.ArchiveReader, decompress bool) (size int64, err error) {
dest = filepath.Clean(dest)
if decompress {

18
chrootarchive/diff_windows.go
View file

@ -9,23 +9,7 @@ import (
"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 archive.ArchiveReader) (size int64, err error) {
return applyLayerHandler(dest, layer, 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 archive.ArchiveReader) (int64, error) {
return applyLayerHandler(dest, layer, false)
}
// ApplyLayer parses a diff in the standard layer format from `layer`, and
// applyLayerHandler parses a diff in the standard layer format from `layer`, and
// applies it to the directory `dest`. Returns the size in bytes of the
// contents of the layer.
func applyLayerHandler(dest string, layer archive.ArchiveReader, decompress bool) (size int64, err error) {