Changelog for ghc-data-hash-devel-0.2.0.0-2.el7.x86_64.rpm :

* Wed Jun 17 2015 Fedora Release Engineering - 0.2.0.0-2- Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild
* Mon Feb 09 2015 Fedora Haskell SIG - 0.2.0.0-1- spec file generated by cabal-rpm-0.9.3