podman manifest exists

Add podman manifest exists command with remote support.

Signed-off-by: Paul Holzinger <paul.holzinger@web.de>

1 files changed, 9 insertions, 0 deletions

diff --git a/libpod/image/manifests.go b/libpod/image/manifests.go
index 14f7c2f83..1ae3693c9 100644
--- a/libpod/image/manifests.go
+++ b/libpod/image/manifests.go
@@ -46,6 +46,15 @@ func (i *Image) InspectManifest() (*manifest.Schema2List, error) {
 	return list.Docker(), nil
 }
 
+// ExistsManifest checks if a manifest list exists
+func (i *Image) ExistsManifest() (bool, error) {
+	_, err := i.getManifestList()
+	if err != nil {
+		return false, err
+	}
+	return true, nil
+}
+
 // RemoveManifest removes the given digest from the manifest list.
 func (i *Image) RemoveManifest(d digest.Digest) (string, error) {
 	list, err := i.getManifestList()