WIP

internal/promoter/image/sign.go

@@ -18,6 +18,7 @@ package imagepromoter
 
 import (
 	"fmt"
+	"os"
 
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
@@ -72,6 +73,9 @@ func (di *DefaultPromoterImplementation) SignImages(
 	opts *options.Options, sc *reg.SyncContext, edges map[reg.PromotionEdge]interface{},
 ) error {
 	signer := sign.New(sign.Default())
+	if err := os.Setenv("COSIGN_EXPERIMENTAL", "YES"); err != nil {
+		return errors.Wrap(err, "setting experimental env")
+	}
 	for edge := range edges {
 		imageRef := fmt.Sprintf(
 			"%s/%s@%s",