repo/modules.go
func findGoTool() string {
	path := "go" // rely on PATH by default
	if goroot, ok := os.LookupEnv("GOROOT"); ok {
		path = filepath.Join(goroot, "bin", "go")
	}
	if runtime.GOOS == "windows" {
		path += ".exe"
	}
	return path
}
func findGoTool() string {
	path := "go" // rely on PATH by default
	if goroot, ok := os.LookupEnv("GOROOT"); ok {
		path = filepath.Join(goroot, "bin", "go")
	}
	if runtime.GOOS == "windows" {
		path += ".exe"
	}
	return path
}
// findGoTool attempts to locate the go executable. If GOROOT is set, we'll
// prefer the one in there; otherwise, we'll rely on PATH. If the wrapper
// script generated by the gazelle rule is invoked by Bazel, it will set
// GOROOT to the configured SDK. We don't want to rely on the host SDK in
// that situation.