Changelog for R-packrat-0.5.0-4.31.x86_64.rpm :

* Thu Oct 17 2019 rbrownAATTsuse.com- Remove obsolete Groups tag (fate#326485)
* Thu Dec 20 2018 mailaenderAATTopensuse.org- update to version 0.5.0
* Wed Apr 04 2018 darinAATTdarins.net- removed Recommends/BuildRequires based on Suggests
* Sat Dec 16 2017 mailaenderAATTopensuse.org- update to version 0.4.8
* Tue Jun 07 2016 darinAATTdarins.net- initial packaging