cmd/geth: added 'geth bug' command (#3684)

* cmd/geth: added 'geth bug' command

Added bug command to geth, which will open a browser window
with an issue template and some additional system information.

* cmd/geth: update bug with better infos

* cmd/geth: added browser fallback

* cmd/geth: govet yo momma
release/1.6
Jeffrey Wilcke 8 years ago committed by Péter Szilágyi
parent b7f010de52
commit 94334c233e
  1. 108
      cmd/geth/bugcmd.go
  2. 1
      cmd/geth/main.go
  3. 46
      cmd/internal/browser/browser.go

@ -0,0 +1,108 @@
// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum 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.
//
// go-ethereum 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 go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"bytes"
"fmt"
"io"
"io/ioutil"
"net/url"
"os/exec"
"runtime"
"strings"
"github.com/ethereum/go-ethereum/cmd/internal/browser"
"github.com/ethereum/go-ethereum/params"
cli "gopkg.in/urfave/cli.v1"
)
var bugCommand = cli.Command{
Action: reportBug,
Name: "bug",
Usage: "opens a window to report a bug on the geth repo",
ArgsUsage: " ",
Category: "MISCELLANEOUS COMMANDS",
}
const issueUrl = "https://github.com/ethereum/go-ethereum/issues/new"
// reportBug reports a bug by opening a new URL to the go-ethereum GH issue
// tracker and setting default values as the issue body.
func reportBug(ctx *cli.Context) error {
// execute template and write contents to buff
var buff bytes.Buffer
fmt.Fprintln(&buff, header)
fmt.Fprintln(&buff, "Version:", params.Version)
fmt.Fprintln(&buff, "Go Version:", runtime.Version())
fmt.Fprintln(&buff, "OS:", runtime.GOOS)
printOSDetails(&buff)
// open a new GH issue
if !browser.Open(issueUrl + "?body=" + url.QueryEscape(buff.String())) {
fmt.Printf("Please file a new issue at %s using this template:\n%s", issueUrl, buff.String())
}
return nil
}
// copied from the Go source. Copyright 2017 The Go Authors
func printOSDetails(w io.Writer) {
switch runtime.GOOS {
case "darwin":
printCmdOut(w, "uname -v: ", "uname", "-v")
printCmdOut(w, "", "sw_vers")
case "linux":
printCmdOut(w, "uname -sr: ", "uname", "-sr")
printCmdOut(w, "", "lsb_release", "-a")
case "openbsd", "netbsd", "freebsd", "dragonfly":
printCmdOut(w, "uname -v: ", "uname", "-v")
case "solaris":
out, err := ioutil.ReadFile("/etc/release")
if err == nil {
fmt.Fprintf(w, "/etc/release: %s\n", out)
} else {
fmt.Printf("failed to read /etc/release: %v\n", err)
}
}
}
// printCmdOut prints the output of running the given command.
// It ignores failures; 'go bug' is best effort.
//
// copied from the Go source. Copyright 2017 The Go Authors
func printCmdOut(w io.Writer, prefix, path string, args ...string) {
cmd := exec.Command(path, args...)
out, err := cmd.Output()
if err != nil {
fmt.Printf("%s %s: %v\n", path, strings.Join(args, " "), err)
return
}
fmt.Fprintf(w, "%s%s\n", prefix, bytes.TrimSpace(out))
}
const header = `Please answer these questions before submitting your issue. Thanks!
#### What did you do?
#### What did you expect to see?
#### What did you see instead?
#### System details
`

@ -81,6 +81,7 @@ func init() {
// See misccmd.go:
makedagCommand,
versionCommand,
bugCommand,
licenseCommand,
}

@ -0,0 +1,46 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package browser provides utilities for interacting with users' browsers.
package browser
import (
"os"
"os/exec"
"runtime"
)
// Commands returns a list of possible commands to use to open a url.
func Commands() [][]string {
var cmds [][]string
if exe := os.Getenv("BROWSER"); exe != "" {
cmds = append(cmds, []string{exe})
}
switch runtime.GOOS {
case "darwin":
cmds = append(cmds, []string{"/usr/bin/open"})
case "windows":
cmds = append(cmds, []string{"cmd", "/c", "start"})
default:
cmds = append(cmds, []string{"xdg-open"})
}
cmds = append(cmds,
[]string{"chrome"},
[]string{"google-chrome"},
[]string{"chromium"},
[]string{"firefox"},
)
return cmds
}
// Open tries to open url in a browser and reports whether it succeeded.
func Open(url string) bool {
for _, args := range Commands() {
cmd := exec.Command(args[0], append(args[1:], url)...)
if cmd.Start() == nil {
return true
}
}
return false
}
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