$ git clone -n https://src.fedoraproject.org/rpms/R-mime.git /var/lib/mock/f29-build-1149-476/root/thebuilddir/tmp/scmroot/R-mime
Cloning into '/var/lib/mock/f29-build-1149-476/root/thebuilddir/tmp/scmroot/R-mime'...
$ git reset --hard 344f3b9b7d6cb388ba80b18d56668a20c8e338a5
HEAD is now at 344f3b9 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild