+++ /dev/null
-// Copyright 2017 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.
-
-// +build !plan9
-
-package main
-
-import (
- "bytes"
- "context"
- "os/exec"
- "runtime"
- "strings"
-)
-
-// arch contains either amd64 or 386.
-var arch = func() string {
- cmd := exec.Command("uname", "-m") // "x86_64"
- if runtime.GOOS == "windows" {
- cmd = exec.Command("powershell", "-command", "(Get-WmiObject -Class Win32_ComputerSystem).SystemType") // "x64-based PC"
- }
-
- out, err := cmd.Output()
- if err != nil {
- // a sensible default?
- return "amd64"
- }
- if bytes.Contains(out, []byte("64")) {
- return "amd64"
- }
- return "386"
-}()
-
-func findGo(ctx context.Context, cmd string) (string, error) {
- out, err := exec.CommandContext(ctx, cmd, "go").CombinedOutput()
- return strings.TrimSpace(string(out)), err
-}