1 // Copyright 2016 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // Package browser provides utilities for interacting with users' browsers. 6 package browser 7 8 import ( 9 "os" 10 "os/exec" 11 "runtime" 12 ) 13 14 // Commands returns a list of possible commands to use to open a url. 15 func Commands() [][]string { 16 var cmds [][]string 17 if exe := os.Getenv("BROWSER"); exe != "" { 18 cmds = append(cmds, []string{exe}) 19 } 20 switch runtime.GOOS { 21 case "darwin": 22 cmds = append(cmds, []string{"/usr/bin/open"}) 23 case "windows": 24 cmds = append(cmds, []string{"cmd", "/c", "start"}) 25 default: 26 cmds = append(cmds, []string{"xdg-open"}) 27 } 28 cmds = append(cmds, 29 []string{"chrome"}, 30 []string{"google-chrome"}, 31 []string{"chromium"}, 32 []string{"firefox"}, 33 ) 34 return cmds 35 } 36 37 // Open tries to open url in a browser and reports whether it succeeded. 38 func Open(url string) bool { 39 for _, args := range Commands() { 40 cmd := exec.Command(args[0], append(args[1:], url)...) 41 if cmd.Start() == nil { 42 return true 43 } 44 } 45 return false 46 } 47
