Migrate to full rclone rcd

pkg/rclone/killed_windows.go

@@ -0,0 +1,35 @@
+//go:build windows
+
+package rclone
+
+import (
+	"errors"
+	"os/exec"
+	"syscall"
+)
+
+func WasHardTerminated(err error) bool {
+	var ee *exec.ExitError
+	if !errors.As(err, &ee) {
+		return false
+	}
+	ws, ok := ee.Sys().(syscall.WaitStatus)
+	if !ok {
+		return false
+	}
+	// No Signaled() on Windows; consider "hard terminated" if not success.
+	return ws.ExitCode() != 0
+}
+
+// ExitCode returns the process exit code when available.
+func ExitCode(err error) (int, bool) {
+	var ee *exec.ExitError
+	if !errors.As(err, &ee) {
+		return 0, false
+	}
+	ws, ok := ee.Sys().(syscall.WaitStatus)
+	if !ok {
+		return 0, false
+	}
+	return ws.ExitCode(), true
+}