$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-nq.git /var/lib/mock/f31-build-61456-28934/root/chroot_tmpdir/scmroot/gap-pkg-nq
Cloning into '/var/lib/mock/f31-build-61456-28934/root/chroot_tmpdir/scmroot/gap-pkg-nq'...
$ git reset --hard c9c3435de28509fc192685394b443c1a4bff637d
HEAD is now at c9c3435 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild