Move package 'repo' to package 'repository'

repository/blob.go

@@ -0,0 +1,48 @@
+package repository
+
+import (
+	"bytes"
+	"fmt"
+
+	"github.com/restic/restic/backend"
+)
+
+type Blob struct {
+	ID          backend.ID `json:"id,omitempty"`
+	Size        uint64     `json:"size,omitempty"`
+	Storage     backend.ID `json:"sid,omitempty"`   // encrypted ID
+	StorageSize uint64     `json:"ssize,omitempty"` // encrypted Size
+}
+
+type Blobs []Blob
+
+func (b Blob) Valid() bool {
+	if b.ID == nil || b.Storage == nil || b.StorageSize == 0 {
+		return false
+	}
+
+	return true
+}
+
+func (b Blob) String() string {
+	return fmt.Sprintf("Blob<%s (%d) -> %s (%d)>",
+		b.ID.Str(), b.Size,
+		b.Storage.Str(), b.StorageSize)
+}
+
+// Compare compares two blobs by comparing the ID and the size. It returns -1,
+// 0, or 1.
+func (blob Blob) Compare(other Blob) int {
+	if res := bytes.Compare(other.ID, blob.ID); res != 0 {
+		return res
+	}
+
+	if blob.Size < other.Size {
+		return -1
+	}
+	if blob.Size > other.Size {
+		return 1
+	}
+
+	return 0
+}