[Q] Help..Porting Roms

Hi friends,I'm trying to port a rom to our Redmi 1s using this guide http://ift.tt/12z4Ecr but the problem is copying the permissions in META-INF/com/google/android/updater-script From Port to Base ROM this thread tells about set_perm lines but kitkat and above roms uses set_Metadata so Anyone know what lines to copy from port rom to base rom and how ???please help me......

from xda-developers http://ift.tt/1I9QstP

via IFTTT