$ git clone -n https://src.fedoraproject.org/rpms/memstomp.git /var/lib/mock/f31-build-86740-31704/root/chroot_tmpdir/scmroot/memstomp
Cloning into '/var/lib/mock/f31-build-86740-31704/root/chroot_tmpdir/scmroot/memstomp'...
$ git reset --hard b84669732dda785f8f1338124de68233eada85c7
HEAD is now at b846697 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild