vendor: update buildkit to v0.11.0-rc4

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
Signed-off-by: Justin Chadwell <me@jedevc.com>

vendor/github.com/docker/cli/cli/connhelper/commandconn/commandconn.go

@@ -37,7 +37,7 @@ func New(ctx context.Context, cmd string, args ...string) (net.Conn, error) {
 		c   commandConn
 		err error
 	)
-	c.cmd = exec.CommandContext(ctx, cmd, args...)
+	c.cmd = exec.Command(cmd, args...)
 	// we assume that args never contains sensitive information
 	logrus.Debugf("commandconn: starting %s with %v", cmd, args)
 	c.cmd.Env = os.Environ()

vendor/github.com/docker/cli/cli/flags/options.go

@@ -71,8 +71,6 @@ func (o *ClientOptions) InstallFlags(flags *pflag.FlagSet) {
 	flags.BoolVar(&o.TLS, "tls", dockerTLS, "Use TLS; implied by --tlsverify")
 	flags.BoolVar(&o.TLSVerify, FlagTLSVerify, dockerTLSVerify, "Use TLS and verify the remote")
 
-	// TODO use flag flags.String("identity"}, "i", "", "Path to libtrust key file")
-
 	o.TLSOptions = &tlsconfig.Options{
 		CAFile:   filepath.Join(dockerCertPath, DefaultCaFile),
 		CertFile: filepath.Join(dockerCertPath, DefaultCertFile),

vendor/github.com/docker/docker/errdefs/http_helpers.go

@@ -2,14 +2,12 @@ package errdefs // import "github.com/docker/docker/errdefs"
 
 import (
 	"net/http"
-
-	"github.com/sirupsen/logrus"
 )
 
 // FromStatusCode creates an errdef error, based on the provided HTTP status-code
 func FromStatusCode(err error, statusCode int) error {
 	if err == nil {
-		return err
+		return nil
 	}
 	switch statusCode {
 	case http.StatusNotFound:
@@ -33,11 +31,6 @@ func FromStatusCode(err error, statusCode int) error {
 			err = System(err)
 		}
 	default:
-		logrus.WithError(err).WithFields(logrus.Fields{
-			"module":      "api",
-			"status_code": statusCode,
-		}).Debug("FIXME: Got an status-code for which error does not match any expected type!!!")
-
 		switch {
 		case statusCode >= 200 && statusCode < 400:
 			// it's a client error