vendor: github.com/moby/buildkit 6bd81372ad6f (master)

- tests: implement NetNSDetached method

full diff: 6e200afad5...6bd81372ad

Co-authored-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor/github.com/moby/buildkit/solver/result/result.go

@@ -1,6 +1,7 @@
 package result
 
 import (
+	"maps"
 	"sync"
 
 	"github.com/pkg/errors"
@@ -14,6 +15,15 @@ type Result[T comparable] struct {
 	Attestations map[string][]Attestation[T]
 }
 
+func (r *Result[T]) Clone() *Result[T] {
+	return &Result[T]{
+		Ref:          r.Ref,
+		Refs:         maps.Clone(r.Refs),
+		Metadata:     maps.Clone(r.Metadata),
+		Attestations: maps.Clone(r.Attestations),
+	}
+}
+
 func (r *Result[T]) AddMeta(k string, v []byte) {
 	r.mu.Lock()
 	if r.Metadata == nil {
@@ -142,6 +152,10 @@ func EachRef[U comparable, V comparable](a *Result[U], b *Result[V], fn func(U,
 	return err
 }
 
+// ConvertResult transforms a Result[U] into a Result[V], using a transfomer
+// function that converts a U to a V. Zero values of type U are converted to
+// zero values of type V directly, without passing through the transformer
+// function.
 func ConvertResult[U comparable, V comparable](r *Result[U], fn func(U) (V, error)) (*Result[V], error) {
 	var zero U
 
@@ -160,6 +174,8 @@ func ConvertResult[U comparable, V comparable](r *Result[U], fn func(U) (V, erro
 	}
 	for k, r := range r.Refs {
 		if r == zero {
+			var zero V
+			r2.Refs[k] = zero
 			continue
 		}
 		r2.Refs[k], err = fn(r)