%__lua_requires() %{lua:
    -- Match buildroot paths of the form
    --    /PATH/OF/BUILDROOT/usr/lib(64)/lua/MAJOR.MINOR/ and
    --    /PATH/OF/BUILDROOT/usr/share/lua/MAJOR.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:]]+/.+