$ git clone -n https://src.fedoraproject.org/rpms/memtest86+.git /var/lib/mock/f33-build-500103-64304/root/chroot_tmpdir/scmroot/memtest86+
Cloning into '/var/lib/mock/f33-build-500103-64304/root/chroot_tmpdir/scmroot/memtest86+'...
$ git reset --hard 12a1d1c022a0529210476eb82cd97d41fc673909
HEAD is now at 12a1d1c - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild