go reboot_test 源码
golang reboot_test 代码
文件路径：/misc/reboot/reboot_test.go
// Copyright 2019 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.
// Package reboot_test verifies that the current GOROOT can be used to bootstrap
// itself.
package reboot_test
import (
"os"
"os/exec"
"path/filepath"
"runtime"
"testing"
"time"
)
func TestRepeatBootstrap(t *testing.T) {
if testing.Short() {
t.Skipf("skipping test that rebuilds the entire toolchain")
}
goroot := t.TempDir()
gorootSrc := filepath.Join(goroot, "src")
overlayStart := time.Now()
if err := overlayDir(gorootSrc, filepath.Join(runtime.GOROOT(), "src")); err != nil {
t.Fatal(err)
}
t.Logf("GOROOT/src overlay set up in %s", time.Since(overlayStart))
if err := os.WriteFile(filepath.Join(goroot, "VERSION"), []byte(runtime.Version()), 0666); err != nil {
t.Fatal(err)
}
var makeScript string
switch runtime.GOOS {
case "windows":
makeScript = "make.bat"
case "plan9":
makeScript = "make.rc"
default:
makeScript = "make.bash"
}
cmd := exec.Command(filepath.Join(runtime.GOROOT(), "src", makeScript))
cmd.Dir = gorootSrc
cmd.Env = append(os.Environ(), "GOROOT=", "GOROOT_BOOTSTRAP="+runtime.GOROOT())
cmd.Stderr = os.Stderr
cmd.Stdout = os.Stdout
if err := cmd.Run(); err != nil {
t.Fatal(err)
}
}
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