$ git clone -n https://src.fedoraproject.org/rpms/nulib2.git /var/lib/mock/f31-build-48107-27014/root/chroot_tmpdir/scmroot/nulib2
Cloning into '/var/lib/mock/f31-build-48107-27014/root/chroot_tmpdir/scmroot/nulib2'...
$ git reset --hard fd8f11b6c010f0439ee1c157ddad26ee71cb6ceb
HEAD is now at fd8f11b - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild