gateway: allow digest to be optional

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
2018-06-20 11:09:32 -07:00 · 2018-06-20 11:09:32 -07:00 · e5449521f5
parent cfe4e19158
commit e5449521f5
1 changed files with 5 additions and 3 deletions
--- a/frontend/gateway/gateway.go
+++ b/frontend/gateway/gateway.go
@ -103,9 +103,11 @@ func (gf *gatewayFrontend) Solve(ctx context.Context, llbBridge frontend.Fronten
 			return nil, nil, err
 		}

-		sourceRef, err = reference.WithDigest(sourceRef, dgst)
-		if err != nil {
-			return nil, nil, err
+		if dgst != "" {
+			sourceRef, err = reference.WithDigest(sourceRef, dgst)
+			if err != nil {
+				return nil, nil, err
+			}
 		}

 		src := llb.Image(sourceRef.String())