"strings"
	"sync"
)

var cwd string
var cwdOnce sync.Once

// UncachedCwd returns the current working directory.
// Most callers should use Cwd, which caches the result for future use.
// UncachedCwd is appropriate to call early in program startup before flag parsing,
// because the -C flag may change the current directory.
func UncachedCwd() string {
	wd, err := os.Getwd()
	if err != nil {

// and returns the go version and toolchain lines from the file.
// The toolchain line overrides the version line
func modGoToolchain() (file, goVers, toolchain string) {
	wd := base.UncachedCwd()
	file = modload.FindGoWork(wd)
	// $GOWORK can be set to a file that does not yet exist, if we are running 'go work init'.
	// Do not try to load the file in that case
	if _, err := os.Stat(file); err != nil {