$ git clone -n https://src.fedoraproject.org/rpms/mpdecimal.git /var/lib/mock/f31-build-56653-28239/root/chroot_tmpdir/scmroot/mpdecimal
Cloning into '/var/lib/mock/f31-build-56653-28239/root/chroot_tmpdir/scmroot/mpdecimal'...
$ git reset --hard 877e6dfd75cdc15e3a8d75299fa1383e6f1af2ab
HEAD is now at 877e6df - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild