Comment # 7 on bug 1227304 from huakim tylyktar

(In reply to huakim tylyktar from comment #6)
> (In reply to Adrian Schröter from comment #5)
> > this is already supported by OBS. It restarts the build when dependencies
> > are changing.
> 
> There are also error that prevent from building: 
> unresolvable: nothing provides %{lua_module, nothing provides luarocks},
> nothing provides devel}
> The lua-module macro is provided in lua-rpm-macros package
> I added lua-rpm-macros to project configuration

The .spec file contains line 
BulidRequires: %{lua_module}