326 lines
8.0 KiB
Go
326 lines
8.0 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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// Contains the geth command usage template and generator.
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package main
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import (
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"io"
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"sort"
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"github.com/ethereum/go-ethereum/cmd/utils"
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"github.com/ethereum/go-ethereum/internal/debug"
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"gopkg.in/urfave/cli.v1"
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"strings"
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)
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// AppHelpTemplate is the test template for the default, global app help topic.
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var AppHelpTemplate = `NAME:
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{{.App.Name}} - {{.App.Usage}}
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Copyright 2013-2017 The go-ethereum Authors
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USAGE:
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{{.App.HelpName}} [options]{{if .App.Commands}} command [command options]{{end}} {{if .App.ArgsUsage}}{{.App.ArgsUsage}}{{else}}[arguments...]{{end}}
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{{if .App.Version}}
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VERSION:
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{{.App.Version}}
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{{end}}{{if len .App.Authors}}
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AUTHOR(S):
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{{range .App.Authors}}{{ . }}{{end}}
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{{end}}{{if .App.Commands}}
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COMMANDS:
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{{range .App.Commands}}{{join .Names ", "}}{{ "\t" }}{{.Usage}}
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{{end}}{{end}}{{if .FlagGroups}}
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{{range .FlagGroups}}{{.Name}} OPTIONS:
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{{range .Flags}}{{.}}
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{{end}}
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{{end}}{{end}}{{if .App.Copyright }}
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COPYRIGHT:
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{{.App.Copyright}}
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{{end}}
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`
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// flagGroup is a collection of flags belonging to a single topic.
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type flagGroup struct {
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Name string
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Flags []cli.Flag
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}
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// AppHelpFlagGroups is the application flags, grouped by functionality.
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var AppHelpFlagGroups = []flagGroup{
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{
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Name: "ETHEREUM",
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Flags: []cli.Flag{
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configFileFlag,
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utils.DataDirFlag,
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utils.KeyStoreDirFlag,
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utils.NoUSBFlag,
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utils.NetworkIdFlag,
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utils.TestnetFlag,
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utils.RinkebyFlag,
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utils.SyncModeFlag,
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utils.EthStatsURLFlag,
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utils.IdentityFlag,
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utils.LightServFlag,
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utils.LightPeersFlag,
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utils.LightKDFFlag,
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},
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},
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{Name: "DEVELOPER CHAIN",
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Flags: []cli.Flag{
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utils.DeveloperFlag,
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utils.DeveloperPeriodFlag,
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},
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},
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{
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Name: "ETHASH",
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Flags: []cli.Flag{
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utils.EthashCacheDirFlag,
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utils.EthashCachesInMemoryFlag,
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utils.EthashCachesOnDiskFlag,
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utils.EthashDatasetDirFlag,
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utils.EthashDatasetsInMemoryFlag,
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utils.EthashDatasetsOnDiskFlag,
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},
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},
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//{
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// Name: "DASHBOARD",
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// Flags: []cli.Flag{
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// utils.DashboardEnabledFlag,
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// utils.DashboardAddrFlag,
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// utils.DashboardPortFlag,
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// utils.DashboardRefreshFlag,
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// utils.DashboardAssetsFlag,
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// },
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//},
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{
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Name: "TRANSACTION POOL",
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Flags: []cli.Flag{
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utils.TxPoolNoLocalsFlag,
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utils.TxPoolJournalFlag,
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utils.TxPoolRejournalFlag,
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utils.TxPoolPriceLimitFlag,
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utils.TxPoolPriceBumpFlag,
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utils.TxPoolAccountSlotsFlag,
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utils.TxPoolGlobalSlotsFlag,
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utils.TxPoolAccountQueueFlag,
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utils.TxPoolGlobalQueueFlag,
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utils.TxPoolLifetimeFlag,
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},
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},
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{
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Name: "PERFORMANCE TUNING",
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Flags: []cli.Flag{
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utils.CacheFlag,
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utils.TrieCacheGenFlag,
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},
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},
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{
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Name: "ACCOUNT",
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Flags: []cli.Flag{
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utils.UnlockedAccountFlag,
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utils.PasswordFileFlag,
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},
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},
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{
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Name: "API AND CONSOLE",
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Flags: []cli.Flag{
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utils.RPCEnabledFlag,
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utils.RPCListenAddrFlag,
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utils.RPCPortFlag,
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utils.RPCApiFlag,
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utils.WSEnabledFlag,
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utils.WSListenAddrFlag,
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utils.WSPortFlag,
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utils.WSApiFlag,
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utils.WSAllowedOriginsFlag,
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utils.IPCDisabledFlag,
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utils.IPCPathFlag,
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utils.RPCCORSDomainFlag,
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utils.JSpathFlag,
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utils.ExecFlag,
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utils.PreloadJSFlag,
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},
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},
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{
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Name: "NETWORKING",
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Flags: []cli.Flag{
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utils.BootnodesFlag,
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utils.BootnodesV4Flag,
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utils.BootnodesV5Flag,
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utils.ListenPortFlag,
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utils.MaxPeersFlag,
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utils.MaxPendingPeersFlag,
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utils.NATFlag,
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utils.NoDiscoverFlag,
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utils.DiscoveryV5Flag,
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utils.NetrestrictFlag,
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utils.NodeKeyFileFlag,
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utils.NodeKeyHexFlag,
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},
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},
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{
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Name: "MINER",
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Flags: []cli.Flag{
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utils.MiningEnabledFlag,
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utils.MinerThreadsFlag,
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utils.EtherbaseFlag,
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utils.TargetGasLimitFlag,
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utils.GasPriceFlag,
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utils.ExtraDataFlag,
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},
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},
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{
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Name: "GAS PRICE ORACLE",
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Flags: []cli.Flag{
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utils.GpoBlocksFlag,
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utils.GpoPercentileFlag,
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},
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},
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{
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Name: "VIRTUAL MACHINE",
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Flags: []cli.Flag{
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utils.VMEnableDebugFlag,
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},
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},
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{
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Name: "LOGGING AND DEBUGGING",
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Flags: append([]cli.Flag{
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utils.MetricsEnabledFlag,
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utils.FakePoWFlag,
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utils.NoCompactionFlag,
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}, debug.Flags...),
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},
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{
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Name: "WHISPER (EXPERIMENTAL)",
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Flags: whisperFlags,
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},
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{
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Name: "DEPRECATED",
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Flags: []cli.Flag{
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utils.FastSyncFlag,
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utils.LightModeFlag,
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},
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},
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{
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Name: "MISC",
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},
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}
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// byCategory sorts an array of flagGroup by Name in the order
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// defined in AppHelpFlagGroups.
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type byCategory []flagGroup
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func (a byCategory) Len() int { return len(a) }
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func (a byCategory) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
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func (a byCategory) Less(i, j int) bool {
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iCat, jCat := a[i].Name, a[j].Name
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iIdx, jIdx := len(AppHelpFlagGroups), len(AppHelpFlagGroups) // ensure non categorized flags come last
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for i, group := range AppHelpFlagGroups {
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if iCat == group.Name {
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iIdx = i
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}
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if jCat == group.Name {
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jIdx = i
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}
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}
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return iIdx < jIdx
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}
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func flagCategory(flag cli.Flag) string {
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for _, category := range AppHelpFlagGroups {
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for _, flg := range category.Flags {
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if flg.GetName() == flag.GetName() {
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return category.Name
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}
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}
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}
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return "MISC"
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}
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func init() {
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// Override the default app help template
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cli.AppHelpTemplate = AppHelpTemplate
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// Define a one shot struct to pass to the usage template
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type helpData struct {
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App interface{}
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FlagGroups []flagGroup
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}
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// Override the default app help printer, but only for the global app help
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originalHelpPrinter := cli.HelpPrinter
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cli.HelpPrinter = func(w io.Writer, tmpl string, data interface{}) {
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if tmpl == AppHelpTemplate {
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// Iterate over all the flags and add any uncategorized ones
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categorized := make(map[string]struct{})
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for _, group := range AppHelpFlagGroups {
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for _, flag := range group.Flags {
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categorized[flag.String()] = struct{}{}
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}
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}
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uncategorized := []cli.Flag{}
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for _, flag := range data.(*cli.App).Flags {
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if _, ok := categorized[flag.String()]; !ok {
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if strings.HasPrefix(flag.GetName(), "dashboard") {
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continue
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}
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uncategorized = append(uncategorized, flag)
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}
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}
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if len(uncategorized) > 0 {
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// Append all ungategorized options to the misc group
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miscs := len(AppHelpFlagGroups[len(AppHelpFlagGroups)-1].Flags)
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AppHelpFlagGroups[len(AppHelpFlagGroups)-1].Flags = append(AppHelpFlagGroups[len(AppHelpFlagGroups)-1].Flags, uncategorized...)
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// Make sure they are removed afterwards
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defer func() {
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AppHelpFlagGroups[len(AppHelpFlagGroups)-1].Flags = AppHelpFlagGroups[len(AppHelpFlagGroups)-1].Flags[:miscs]
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}()
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}
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// Render out custom usage screen
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originalHelpPrinter(w, tmpl, helpData{data, AppHelpFlagGroups})
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} else if tmpl == utils.CommandHelpTemplate {
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// Iterate over all command specific flags and categorize them
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categorized := make(map[string][]cli.Flag)
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for _, flag := range data.(cli.Command).Flags {
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if _, ok := categorized[flag.String()]; !ok {
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categorized[flagCategory(flag)] = append(categorized[flagCategory(flag)], flag)
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}
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}
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// sort to get a stable ordering
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sorted := make([]flagGroup, 0, len(categorized))
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for cat, flgs := range categorized {
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sorted = append(sorted, flagGroup{cat, flgs})
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}
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sort.Sort(byCategory(sorted))
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// add sorted array to data and render with default printer
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originalHelpPrinter(w, tmpl, map[string]interface{}{
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"cmd": data,
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"categorizedFlags": sorted,
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})
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} else {
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originalHelpPrinter(w, tmpl, data)
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}
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}
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}
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