return sub
		}
	}
	return nil
}

// hasFlag reports whether a command or any of its subcommands contain the given
// flag.
func hasFlag(c *Command, name string) bool {
	if f := c.Flag.Lookup(name); f != nil {
		return true
	}
	for _, sub := range c.Commands {
		if hasFlag(sub, name) {
			return true
		}
	}
	return false
}

			}
			Fatalf("go: parsing $GOFLAGS: non-flag %q", f)
		}

		name := f[1:]
		if name[0] == '-' {
			name = name[1:]
		}
		if i := strings.Index(name, "="); i >= 0 {
			name = name[:i]
		}
		if !hasFlag(Go, name) {
			if hideErrors {
				continue
			}
			Fatalf("go: parsing $GOFLAGS: unknown flag -%s", name)
		}
	}
}

// boolFlag is the optional interface for flag.Value known to the flag package.

	doc.Synopsis = forceMultiLine(command.Short)
	doc.Description = forceMultiLine(command.Long)

	flags := command.NonInheritedFlags()
	if flags.HasFlags() {
		doc.Options = genFlagResult(flags)
	}
	flags = command.InheritedFlags()
	if flags.HasFlags() {
		doc.InheritedOptions = genFlagResult(flags)
	}

	if len(command.Example) > 0 {
		doc.Example = command.Example
	}

		}
	})
}

func printOptions(out *bytes.Buffer, command *cobra.Command) {
	flags := command.NonInheritedFlags()
	if flags.HasFlags() {
		fmt.Fprintf(out, "# OPTIONS\n")
		printFlags(out, flags)
		fmt.Fprintf(out, "\n")
	}
	flags = command.InheritedFlags()
	if flags.HasFlags() {
		fmt.Fprintf(out, "# OPTIONS INHERITED FROM PARENT COMMANDS\n")
		printFlags(out, flags)
		fmt.Fprintf(out, "\n")
	}
}

func (h finishedHash) hashForClientCertificate(sigType uint8, hashAlg crypto.Hash) []byte {
	if (h.version >= VersionTLS12 || sigType == signatureEd25519) && h.buffer == nil {
		panic("tls: handshake hash for a client certificate requested after discarding the handshake buffer")
	}

	if sigType == signatureEd25519 {
		return h.buffer
	}

	if h.version >= VersionTLS12 {
		hash := hashAlg.New()
		hash.Write(h.buffer)

			}
			tags := make(map[string]bool)
			wantTags := make(map[string]bool)
			for _, tag := range strings.Fields(tt.tags) {
				wantTags[tag] = true
			}
			hasTag := func(tag string) bool {
				tags[tag] = true
				return tag == "yes"
			}
			ok := x.Eval(hasTag)
			if ok != tt.ok || !reflect.DeepEqual(tags, wantTags) {
				t.Errorf("Eval(%#q):\nhave ok=%v, tags=%v\nwant ok=%v, tags=%v",
					tt.in, ok, tags, tt.ok, wantTags)