bbbe67bf7c
* Vendors packages * Adds a Makefile that uses docker to build a static binary against musl using alpine linux. Signed-off-by: Gabriel Adrian Samfira <gsamfira@cloudbasesolutions.com>
61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
// Copyright 2016 Canonical Ltd.
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// Licensed under the LGPLv3, see LICENCE file for details.
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package webbrowser
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import (
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"errors"
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"net/url"
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"os"
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"os/exec"
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"runtime"
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"strings"
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)
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// Open opens a web browser at the given URL.
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// If the OS is not recognized, an ErrNoBrowser is returned.
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func Open(url *url.URL) error {
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var args []string
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if runtime.GOOS == "windows" {
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// Windows is special because the start command is built into cmd.exe
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// and hence requires the argument to be quoted.
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args = []string{"cmd", "/c", "start", winCmdQuote.Replace(url.String())}
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} else if b := browser[runtime.GOOS]; b != "" {
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args = []string{b, url.String()}
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} else {
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return ErrNoBrowser
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}
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cmd := exec.Command(args[0], args[1:]...)
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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cmd.Start()
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go cmd.Wait()
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return nil
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}
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// ErrNoBrowser is returned when a browser cannot be found for the current OS.
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var ErrNoBrowser = errors.New("cannot find a browser to open the web page")
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var browser = map[string]string{
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"darwin": "open",
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"freebsd": "xdg-open",
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"linux": "xdg-open",
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"netbsd": "xdg-open",
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"openbsd": "xdg-open",
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}
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// winCmdQuote can quote metacharacters special to the Windows
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// cmd.exe command interpreter. It does that by inserting
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// a '^' character before each metacharacter. Note that
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// most of these cannot actually be produced by URL.String,
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// but we include them for completeness.
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var winCmdQuote = strings.NewReplacer(
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"&", "^&",
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"%", "^%",
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"(", "^(",
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")", "^)",
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"^", "^^",
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"<", "^<",
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">", "^>",
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"|", "^|",
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)
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