1 files changed, 15 insertions, 0 deletions
diff --git a/src/nix/progress-bar.hh b/src/nix/progress-bar.hh
new file mode 100644
index 000000000..d2e44f7c4
--- /dev/null
+++ b/src/nix/progress-bar.hh
@@ -0,0 +1,15 @@
+#pragma once
+
+#include "logging.hh"
+
+namespace nix {
+
+class StartProgressBar
+{
+    Logger * prev = 0;
+public:
+    StartProgressBar();
+    ~StartProgressBar();
+};
+
+}