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internal/testenv: prefer to find go binary in GOROOT

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Partial revert of https://golang.org/cl/20967 which
I can't reproduce and actually breaks me more.

Fixes #14901

Change-Id: I8cce443fbd95f5f6f2a5b6a4b9f2faab36167a12
Reviewed-on: https://go-review.googlesource.com/21292
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: David Crawshaw <crawshaw@golang.org>
This commit is contained in:
Brad Fitzpatrick 2016-03-30 15:13:26 +11:00
parent 788f11263a
commit ca72f5f5df
1 changed files with 8 additions and 0 deletions
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8
src/internal/testenv/testenv.go
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@ -13,6 +13,7 @@ package testenv
import (
"os"
"os/exec"
"path/filepath"
"runtime"
"strings"
"testing"
@ -68,10 +69,17 @@ func MustHaveGoRun(t *testing.T) {
// If the tool should be available and isn't, GoToolPath calls t.Fatal.
func GoToolPath(t *testing.T) string {
MustHaveGoBuild(t)
var exeSuffix string
if runtime.GOOS == "windows" {
exeSuffix = ".exe"
}
path := filepath.Join(runtime.GOROOT(), "bin", "go"+exeSuffix)
if _, err := os.Stat(path); err == nil {
return path
}
goBin, err := exec.LookPath("go" + exeSuffix)
if err != nil {
t.Fatalf("cannot find go tool: %v", err)