diff --git a/cmd/geth/main.go b/cmd/geth/main.go index de679cccad..a5b46d7a4e 100644 --- a/cmd/geth/main.go +++ b/cmd/geth/main.go @@ -143,6 +143,11 @@ 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", + }, } app.Flags = []cli.Flag{ @@ -408,3 +413,21 @@ func version(c *cli.Context) error { return nil } + +func license(c *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 +(at your option) any later version. + +Geth is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +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 . +`) + + return nil +} diff --git a/cmd/geth/usage.go b/cmd/geth/usage.go index eb897d2b5a..b08de247b1 100644 --- a/cmd/geth/usage.go +++ b/cmd/geth/usage.go @@ -30,6 +30,8 @@ import ( var AppHelpTemplate = `NAME: {{.App.Name}} - {{.App.Usage}} + Copyright 2013-2016 The go-ethereum Authors + USAGE: {{.App.HelpName}} [options]{{if .App.Commands}} command [command options]{{end}} {{if .App.ArgsUsage}}{{.App.ArgsUsage}}{{else}}[arguments...]{{end}} {{if .App.Version}}