run update-binary first. revert recovery API version to 2. use RECOVERY_VERSION for the actual display version.
diff --git a/install.h b/install.h
index 3ee814b..ec97d39 100644
--- a/install.h
+++ b/install.h
@@ -19,7 +19,7 @@
#include "common.h"
-enum { INSTALL_SUCCESS, INSTALL_ERROR, INSTALL_CORRUPT, INSTALL_UPDATE_SCRIPT_MISSING };
+enum { INSTALL_SUCCESS, INSTALL_ERROR, INSTALL_CORRUPT, INSTALL_UPDATE_SCRIPT_MISSING, INSTALL_UPDATE_BINARY_MISSING };
int install_package(const char *root_path);
#endif // RECOVERY_INSTALL_H_