%__lua_requires() %{lua:
 -- Match buildroot paths of the form
 -- /PATH/OF/BUILDROOT/usr/lib(64)/lua/MAJOR.MINOR/ and
 -- /PATH/OF/BUILDROOT/usr/share/pythonMAJOR.MINOR/
 -- generating a line of the form:
 -- lua(abi) = MAJOR.MINOR
 local path = rpm.expand('%1')
 local datadir = rpm.expand('%_datadir')
 local libdir = rpm.expand('%_libdir')
 for i, dir in ipairs({datadir, libdir}) do
 if path:match(dir .. '/lua/%d+%.%d+/.*') then
 local requires = path:gsub('.*' .. dir .. '/lua/(%d+%.%d+)/.*', 'lua(abi) = %1')
 print(requires)
 break
 end
 end
}

%__lua_path ^(%{_datadir}|%{_libdir})/lua/[[:digit:]]+\\.[[:digit:]]+/.+