1 files changed, 16 insertions, 0 deletions
diff --git a/src/cmd/go/internal/test/test_unix.go b/src/cmd/go/internal/test/test_unix.go
new file mode 100644
index 0000000..f50ef98
--- /dev/null
+++ b/src/cmd/go/internal/test/test_unix.go
@@ -0,0 +1,16 @@
+// Copyright 2023 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.
+
+//go:build unix
+
+package test
+
+import (
+	"errors"
+	"syscall"
+)
+
+func isETXTBSY(err error) bool {
+	return errors.Is(err, syscall.ETXTBSY)
+}