Giant blob of minor changes
[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / golang.org / x / tools@v0.0.0-20201028153306-37f0764111ff / cmd / godoc / goroot.go
1 // Copyright 2018 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 main
6
7 import (
8         "os"
9         "os/exec"
10         "path/filepath"
11         "runtime"
12         "strings"
13 )
14
15 func findGOROOT() string {
16         if env := os.Getenv("GOROOT"); env != "" {
17                 return filepath.Clean(env)
18         }
19         def := filepath.Clean(runtime.GOROOT())
20         if runtime.Compiler == "gccgo" {
21                 // gccgo has no real GOROOT, and it certainly doesn't
22                 // depend on the executable's location.
23                 return def
24         }
25         out, err := exec.Command("go", "env", "GOROOT").Output()
26         if err != nil {
27                 return def
28         }
29         return strings.TrimSpace(string(out))
30 }