Initial commit

vendor/github.com/hyperhq/hypercli/image/rootfs_windows.go

@@ -0,0 +1,37 @@
+// +build windows
+
+package image
+
+import (
+	"crypto/sha512"
+	"fmt"
+
+	"github.com/docker/distribution/digest"
+	"github.com/hyperhq/hypercli/layer"
+)
+
+// RootFS describes images root filesystem
+// This is currently a placeholder that only supports layers. In the future
+// this can be made into a interface that supports different implementations.
+type RootFS struct {
+	Type      string         `json:"type"`
+	DiffIDs   []layer.DiffID `json:"diff_ids,omitempty"`
+	BaseLayer string         `json:"base_layer,omitempty"`
+}
+
+// BaseLayerID returns the 64 byte hex ID for the baselayer name.
+func (r *RootFS) BaseLayerID() string {
+	baseID := sha512.Sum384([]byte(r.BaseLayer))
+	return fmt.Sprintf("%x", baseID[:32])
+}
+
+// ChainID returns the ChainID for the top layer in RootFS.
+func (r *RootFS) ChainID() layer.ChainID {
+	baseDiffID := digest.FromBytes([]byte(r.BaseLayerID()))
+	return layer.CreateChainID(append([]layer.DiffID{layer.DiffID(baseDiffID)}, r.DiffIDs...))
+}
+
+// NewRootFS returns empty RootFS struct
+func NewRootFS() *RootFS {
+	return &RootFS{Type: "layers+base"}
+}