初版功能完成

internal/identity/replace_windows.go

@@ -0,0 +1,18 @@
+//go:build windows
+
+package identity
+
+import "golang.org/x/sys/windows"
+
+func replaceFile(source, destination string) error {
+	sourcePointer, err := windows.UTF16PtrFromString(source)
+	if err != nil {
+		return err
+	}
+	destinationPointer, err := windows.UTF16PtrFromString(destination)
+	if err != nil {
+		return err
+	}
+	return windows.MoveFileEx(sourcePointer, destinationPointer,
+		windows.MOVEFILE_REPLACE_EXISTING|windows.MOVEFILE_WRITE_THROUGH)
+}