add remote-client diff

the remote client now can run the diff command to report changes,
modifications, and deletions in an image or container.

Signed-off-by: baude <bbaude@redhat.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/pkg/varlinkapi/images.go b/pkg/varlinkapi/images.go
index 0ca867410..63d500204 100644
--- a/pkg/varlinkapi/images.go
+++ b/pkg/varlinkapi/images.go
@@ -910,3 +910,16 @@ func (i *LibpodAPI) LoadImage(call iopodman.VarlinkCall, name, inputFile string,
 	}
 	return call.ReplyLoadImage(br)
 }
+
+// Diff ...
+func (i *LibpodAPI) Diff(call iopodman.VarlinkCall, name string) error {
+	var response []iopodman.DiffInfo
+	changes, err := i.Runtime.GetDiff("", name)
+	if err != nil {
+		return call.ReplyErrorOccurred(err.Error())
+	}
+	for _, change := range changes {
+		response = append(response, iopodman.DiffInfo{Path: change.Path, ChangeType: change.Kind.String()})
+	}
+	return call.ReplyDiff(response)
+}