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cmd/geth: improve command help messages (#3227)

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This commit is contained in:
Kenji Siu
2016-11-10 19:00:09 +08:00
committed by Péter Szilágyi
parent dba29970d7
commit 80ea44c485
5 changed files with 132 additions and 87 deletions
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43
cmd/geth/main.go
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@ -61,6 +61,7 @@ func init() {
// Initialize the CLI app and start Geth
app.Action = geth
app.HideVersion = true // we have a command to print the version
app.Copyright = "Copyright 2013-2016 The go-ethereum Authors"
app.Commands = []cli.Command{
importCommand,
exportCommand,
@ -74,9 +75,11 @@ func init() {
attachCommand,
javascriptCommand,
{
Action: makedag,
Name: "makedag",
Usage: "generate ethash dag (for testing)",
Action: makedag,
Name: "makedag",
Usage: "Generate ethash DAG (for testing)",
ArgsUsage: "<blockNum> <outputDir>",
Category: "MISCELLANEOUS COMMANDS",
Description: `
The makedag command generates an ethash DAG in /tmp/dag.
@ -85,27 +88,33 @@ Regular users do not need to execute it.
`,
},
{
Action: version,
Name: "version",
Usage: "print ethereum version numbers",
Action: version,
Name: "version",
Usage: "Print version numbers",
ArgsUsage: " ",
Category: "MISCELLANEOUS COMMANDS",
Description: `
The output of this command is supposed to be machine-readable.
`,
},
{
Action: initGenesis,
Name: "init",
Usage: "bootstraps and initialises a new genesis block (JSON)",
Action: initGenesis,
Name: "init",
Usage: "Bootstrap and initialize a new genesis block",
ArgsUsage: "<genesisPath>",
Category: "BLOCKCHAIN COMMANDS",
Description: `
The init command initialises a new genesis block and definition for the network.
The init command initializes a new genesis block and definition for the network.
This is a destructive action and changes the network in which you will be
participating.
`,
},
{
Action: license,
Name: "license",
Usage: "displays geth's license information",
Action: license,
Name: "license",
Usage: "Display license information",
ArgsUsage: " ",
Category: "MISCELLANEOUS COMMANDS",
},
}
@ -335,23 +344,22 @@ func makedag(ctx *cli.Context) error {
return nil
}
func version(c *cli.Context) error {
func version(ctx *cli.Context) error {
fmt.Println(strings.Title(clientIdentifier))
fmt.Println("Version:", utils.Version)
if gitCommit != "" {
fmt.Println("Git Commit:", gitCommit)
}
fmt.Println("Protocol Versions:", eth.ProtocolVersions)
fmt.Println("Network Id:", c.GlobalInt(utils.NetworkIdFlag.Name))
fmt.Println("Network Id:", ctx.GlobalInt(utils.NetworkIdFlag.Name))
fmt.Println("Go Version:", runtime.Version())
fmt.Println("OS:", runtime.GOOS)
fmt.Printf("GOPATH=%s\n", os.Getenv("GOPATH"))
fmt.Printf("GOROOT=%s\n", runtime.GOROOT())
return nil
}
func license(c *cli.Context) error {
func license(_ *cli.Context) error {
fmt.Println(`Geth is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
@ -365,6 +373,5 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with geth. If not, see <http://www.gnu.org/licenses/>.
`)
return nil
}