$ git clone -n https://src.fedoraproject.org/rpms/unicorn.git /var/lib/mock/f31-build-97480-32964/root/chroot_tmpdir/scmroot/unicorn
Cloning into '/var/lib/mock/f31-build-97480-32964/root/chroot_tmpdir/scmroot/unicorn'...
$ git reset --hard e6b286b71895662d512f84bc97be7f22c4131ea5
HEAD is now at e6b286b - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild