Changelog for ghc-aeson-pretty-devel-0.7.1-2.el7.x86_64.rpm :

* Sat Jun 07 2014 Fedora Release Engineering - 0.7.1-2- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
* Mon Jan 27 2014 Jens Petersen - 0.7.1-1- package the tool in devel subpackage- simpler summary and description
* Mon Jan 27 2014 Fedora Haskell SIG - 0.7.1- spec file generated by cabal-rpm-0.8.8