$ git clone -n https://src.fedoraproject.org/rpms/reg.git /var/lib/mock/f31-build-88234-31960/root/chroot_tmpdir/scmroot/reg
Cloning into '/var/lib/mock/f31-build-88234-31960/root/chroot_tmpdir/scmroot/reg'...
$ git reset --hard 8efe93e1b65019519fc5748d4a02975a39b922d2
HEAD is now at 8efe93e - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild