592a09 [cow] Support hardlinks

Authored and Committed by chantra 2 years ago
    [cow] Support hardlinks
    
    Since GH#1534, the way files are handled broke support for hardlinks in
    RPM CoW. This updates the CoW patch to properly handle hardlinks.
    
    Fixes: https://pagure.io/centos-sig-hyperscale/package-bugs/issue/14