podman manifest create: accept --amend and --insecure flags

Accept a --amend flag in `podman manifest create`, and treat
`--insecure` as we would `--tls-verify=false` in `podman manifest`'s
"add", "create", and "push" subcommands.

Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/pkg/domain/infra/abi/manifest.go b/pkg/domain/infra/abi/manifest.go
index e0c11267e..7e8c86526 100644
--- a/pkg/domain/infra/abi/manifest.go
+++ b/pkg/domain/infra/abi/manifest.go
@@ -32,7 +32,15 @@ func (ir *ImageEngine) ManifestCreate(ctx context.Context, name string, images [
 
 	manifestList, err := ir.Libpod.LibimageRuntime().CreateManifestList(name)
 	if err != nil {
-		return "", err
+		if errors.Is(err, storage.ErrDuplicateName) && opts.Amend {
+			amendList, amendErr := ir.Libpod.LibimageRuntime().LookupManifestList(name)
+			if amendErr != nil {
+				return "", err
+			}
+			manifestList = amendList
+		} else {
+			return "", err
+		}
 	}
 
 	addOptions := &libimage.ManifestListAddOptions{All: opts.All}