only ignore ambiguous id errors during clone

cmd/esc/cli/env.go

@@ -19,6 +19,19 @@ import (
 	"github.com/pulumi/pulumi/sdk/v3/go/common/util/cmdutil"
 )
 
+type ambiguousIdentifierError struct {
+	legacyRef environmentRef
+	ref       environmentRef
+}
+
+func (e ambiguousIdentifierError) Error() string {
+	return fmt.Sprintf(
+		"ambiguous path provided\n\nEnvironments found at both '%s' and '%s'.\nPlease specify the full path as <org-name>/<project-name>/<env-name>",
+		e.ref.String(),
+		e.legacyRef.String(),
+	)
+}
+
 type envCommand struct {
 	esc *escCommand
 
@@ -253,11 +266,10 @@ func (cmd *envCommand) getExistingEnvRefWithRelative(
 
 	// Require unambiguous path if both paths exist
 	if exists && existsLegacyPath {
-		return ref, fmt.Errorf(
-			"ambiguous path provided\n\nEnvironments found at both '%s' and '%s'.\nPlease specify the full path as <org-name>/<project-name>/<env-name>",
-			ref.String(),
-			legacyRef.String(),
-		)
+		return ref, ambiguousIdentifierError{
+			legacyRef: legacyRef,
+			ref:       ref,
+		}
 	}
 
 	if existsLegacyPath {

cmd/esc/cli/env_clone.go

@@ -37,12 +37,17 @@ func newEnvCloneCmd(env *envCommand) *cobra.Command {
 				return err
 			}
 
-			ref, args, _ := env.getExistingEnvRef(ctx, args)
+			ref, args, err := env.getExistingEnvRef(ctx, args)
 			// An error will arise if an environment reference is ambiguous and can't be
 			// resolved to a single environment. The ref for the non-legacy environment will
 			// also be returned in this case.
 			// If the original ref is using a legacy ID of just env name return an error
 			// Otherwise we will ignore any conflict errors and assume the user meant <project-name>/<env-name>
+			var ambiguousIdErr ambiguousIdentifierError
+			if err != nil && !errors.As(err, &ambiguousIdErr) {
+				return err
+			}
+
 			if ref.isUsingLegacyID {
 				return errors.New("referring to an environment name ('env' or 'org/env') without a project is not supported")
 			}