TUN-4961: Update quic-go to latest

- Updates fips-go to be the latest on cfsetup.yaml
- Updates sumtype's x/tools to be latest to avoid Internal: nil pkg
  errors with fips.

vendor/github.com/cheekybits/genny/main.go

@@ -0,0 +1,154 @@
+package main
+
+import (
+	"bytes"
+	"flag"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"os"
+	"strings"
+
+	"github.com/cheekybits/genny/out"
+	"github.com/cheekybits/genny/parse"
+)
+
+/*
+
+  source | genny gen [-in=""] [-out=""] [-pkg=""] "KeyType=string,int ValueType=string,int"
+
+*/
+
+const (
+	_ = iota
+	exitcodeInvalidArgs
+	exitcodeInvalidTypeSet
+	exitcodeStdinFailed
+	exitcodeGenFailed
+	exitcodeGetFailed
+	exitcodeSourceFileInvalid
+	exitcodeDestFileFailed
+)
+
+func main() {
+	var (
+		in      = flag.String("in", "", "file to parse instead of stdin")
+		out     = flag.String("out", "", "file to save output to instead of stdout")
+		pkgName = flag.String("pkg", "", "package name for generated files")
+		prefix  = "https://github.com/metabition/gennylib/raw/master/"
+	)
+	flag.Parse()
+	args := flag.Args()
+
+	if len(args) < 2 {
+		usage()
+		os.Exit(exitcodeInvalidArgs)
+	}
+
+	if strings.ToLower(args[0]) != "gen" && strings.ToLower(args[0]) != "get" {
+		usage()
+		os.Exit(exitcodeInvalidArgs)
+	}
+
+	// parse the typesets
+	var setsArg = args[1]
+	if strings.ToLower(args[0]) == "get" {
+		setsArg = args[2]
+	}
+	typeSets, err := parse.TypeSet(setsArg)
+	if err != nil {
+		fatal(exitcodeInvalidTypeSet, err)
+	}
+
+	outWriter := newWriter(*out)
+
+	if strings.ToLower(args[0]) == "get" {
+		if len(args) != 3 {
+			fmt.Println("not enough arguments to get")
+			usage()
+			os.Exit(exitcodeInvalidArgs)
+		}
+		r, err := http.Get(prefix + args[1])
+		if err != nil {
+			fatal(exitcodeGetFailed, err)
+		}
+		b, err := ioutil.ReadAll(r.Body)
+		if err != nil {
+			fatal(exitcodeGetFailed, err)
+		}
+		r.Body.Close()
+		br := bytes.NewReader(b)
+		err = gen(*in, *pkgName, br, typeSets, outWriter)
+	} else if len(*in) > 0 {
+		var file *os.File
+		file, err = os.Open(*in)
+		if err != nil {
+			fatal(exitcodeSourceFileInvalid, err)
+		}
+		defer file.Close()
+		err = gen(*in, *pkgName, file, typeSets, outWriter)
+	} else {
+		var source []byte
+		source, err = ioutil.ReadAll(os.Stdin)
+		if err != nil {
+			fatal(exitcodeStdinFailed, err)
+		}
+		reader := bytes.NewReader(source)
+		err = gen("stdin", *pkgName, reader, typeSets, outWriter)
+	}
+
+	// do the work
+	if err != nil {
+		fatal(exitcodeGenFailed, err)
+	}
+
+}
+
+func usage() {
+	fmt.Fprintln(os.Stderr, `usage: genny [{flags}] gen "{types}"
+
+gen - generates type specific code from generic code.
+get <package/file> - fetch a generic template from the online library and gen it.
+
+{flags}  - (optional) Command line flags (see below)
+{types}  - (required) Specific types for each generic type in the source
+{types} format:  {generic}={specific}[,another][ {generic2}={specific2}]
+
+Examples:
+  Generic=Specific
+  Generic1=Specific1 Generic2=Specific2
+  Generic1=Specific1,Specific2 Generic2=Specific3,Specific4
+
+Flags:`)
+	flag.PrintDefaults()
+}
+
+func newWriter(fileName string) io.Writer {
+	if fileName == "" {
+		return os.Stdout
+	}
+	lf := &out.LazyFile{FileName: fileName}
+	defer lf.Close()
+	return lf
+}
+
+func fatal(code int, a ...interface{}) {
+	fmt.Println(a...)
+	os.Exit(code)
+}
+
+// gen performs the generic generation.
+func gen(filename, pkgName string, in io.ReadSeeker, typesets []map[string]string, out io.Writer) error {
+
+	var output []byte
+	var err error
+
+	output, err = parse.Generics(filename, pkgName, in, typesets)
+	if err != nil {
+		return err
+	}
+
+	out.Write(output)
+	return nil
+}