vendor: update buildkit to 539be170

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

vendor/github.com/moby/buildkit/frontend/gateway/client/client.go

@@ -18,6 +18,7 @@ type Client interface {
 	BuildOpts() BuildOpts
 	Inputs(ctx context.Context) (map[string]llb.State, error)
 	NewContainer(ctx context.Context, req NewContainerRequest) (Container, error)
+	Warn(ctx context.Context, dgst digest.Digest, msg string, opts WarnOpts) error
 }
 
 // NewContainerRequest encapsulates the requirements for a client to define a
@@ -133,3 +134,11 @@ type BuildOpts struct {
 	LLBCaps   apicaps.CapSet
 	Caps      apicaps.CapSet
 }
+
+type WarnOpts struct {
+	Level      int
+	SourceInfo *pb.SourceInfo
+	Range      []*pb.Range
+	Detail     [][]byte
+	URL        string
+}

vendor/github.com/moby/buildkit/frontend/gateway/grpcclient/client.go

@@ -298,6 +298,19 @@ func (c *grpcClient) requestForRef(ref client.Reference) (*pb.SolveRequest, erro
 	return req, nil
 }
 
+func (c *grpcClient) Warn(ctx context.Context, dgst digest.Digest, msg string, opts client.WarnOpts) error {
+	_, err := c.client.Warn(ctx, &pb.WarnRequest{
+		Digest: dgst,
+		Level:  int64(opts.Level),
+		Short:  []byte(msg),
+		Info:   opts.SourceInfo,
+		Ranges: opts.Range,
+		Detail: opts.Detail,
+		Url:    opts.URL,
+	})
+	return err
+}
+
 func (c *grpcClient) Solve(ctx context.Context, creq client.SolveRequest) (res *client.Result, err error) {
 	if creq.Definition != nil {
 		for _, md := range creq.Definition.Metadata {
@@ -457,6 +470,27 @@ func (c *grpcClient) BuildOpts() client.BuildOpts {
 	}
 }
 
+func (c *grpcClient) CurrentFrontend() (*llb.State, error) {
+	fp := "/run/config/buildkit/metadata/frontend.bin"
+	if _, err := os.Stat(fp); err != nil {
+		return nil, nil
+	}
+	dt, err := os.ReadFile(fp)
+	if err != nil {
+		return nil, err
+	}
+	var def opspb.Definition
+	if err := def.Unmarshal(dt); err != nil {
+		return nil, err
+	}
+	op, err := llb.NewDefinitionOp(&def)
+	if err != nil {
+		return nil, err
+	}
+	st := llb.NewState(op)
+	return &st, nil
+}
+
 func (c *grpcClient) Inputs(ctx context.Context) (map[string]llb.State, error) {
 	err := c.caps.Supports(pb.CapFrontendInputs)
 	if err != nil {

vendor/github.com/moby/buildkit/frontend/gateway/pb/caps.go

@@ -51,6 +51,9 @@ const (
 	// results. This is generally used by the client to return and handle solve
 	// errors.
 	CapGatewayEvaluateSolve apicaps.CapID = "gateway.solve.evaluate"
+
+	// CapGatewayWarnings is the capability to log warnings from frontend
+	CapGatewayWarnings apicaps.CapID = "gateway.warnings"
 )
 
 func init() {
@@ -180,4 +183,11 @@ func init() {
 		Enabled: true,
 		Status:  apicaps.CapStatusExperimental,
 	})
+
+	Caps.Init(apicaps.Cap{
+		ID:      CapGatewayWarnings,
+		Name:    "logging warnings",
+		Enabled: true,
+		Status:  apicaps.CapStatusExperimental,
+	})
 }

vendor/github.com/moby/buildkit/frontend/gateway/pb/gateway.proto

@@ -9,6 +9,7 @@ import "github.com/moby/buildkit/api/types/worker.proto";
 import "github.com/moby/buildkit/util/apicaps/pb/caps.proto";
 import "github.com/tonistiigi/fsutil/types/stat.proto";
 
+
 option (gogoproto.sizer_all) = true;
 option (gogoproto.marshaler_all) = true;
 option (gogoproto.unmarshaler_all) = true;
@@ -31,7 +32,10 @@ service LLBBridge {
 
 	rpc NewContainer(NewContainerRequest) returns (NewContainerResponse);
 	rpc ReleaseContainer(ReleaseContainerRequest) returns (ReleaseContainerResponse);
-	rpc ExecProcess(stream ExecMessage) returns (stream ExecMessage);  
+	rpc ExecProcess(stream ExecMessage) returns (stream ExecMessage);
+
+	// apicaps:CapGatewayWarnings
+	rpc Warn(WarnRequest) returns (WarnResponse); 
 }
 
 message Result {
@@ -169,6 +173,18 @@ message PongResponse{
 	repeated moby.buildkit.v1.types.WorkerRecord Workers = 3;
 }
 
+message WarnRequest {
+	string digest = 1 [(gogoproto.customtype) = "github.com/opencontainers/go-digest.Digest", (gogoproto.nullable) = false];
+	int64 level = 2;
+	bytes short = 3;
+	repeated bytes detail = 4;
+	string url = 5;
+	pb.SourceInfo info = 6;
+	repeated pb.Range ranges = 7;
+}
+
+message WarnResponse{}
+
 message NewContainerRequest {
 	string ContainerID = 1;
 	// For mount input values we can use random identifiers passed with ref