1 files changed, 27 insertions, 0 deletions
diff --git a/vendor/github.com/docker/distribution/tags.go b/vendor/github.com/docker/distribution/tags.go
new file mode 100644
index 000000000..503056596
--- /dev/null
+++ b/vendor/github.com/docker/distribution/tags.go
@@ -0,0 +1,27 @@
+package distribution
+
+import (
+	"github.com/docker/distribution/context"
+)
+
+// TagService provides access to information about tagged objects.
+type TagService interface {
+	// Get retrieves the descriptor identified by the tag. Some
+	// implementations may differentiate between "trusted" tags and
+	// "untrusted" tags. If a tag is "untrusted", the mapping will be returned
+	// as an ErrTagUntrusted error, with the target descriptor.
+	Get(ctx context.Context, tag string) (Descriptor, error)
+
+	// Tag associates the tag with the provided descriptor, updating the
+	// current association, if needed.
+	Tag(ctx context.Context, tag string, desc Descriptor) error
+
+	// Untag removes the given tag association
+	Untag(ctx context.Context, tag string) error
+
+	// All returns the set of tags managed by this tag service
+	All(ctx context.Context) ([]string, error)
+
+	// Lookup returns the set of tags referencing the given digest.
+	Lookup(ctx context.Context, digest Descriptor) ([]string, error)
+}