$ git clone -n https://src.fedoraproject.org/rpms/fluxcapacitor.git /var/lib/mock/f31-build-109088-33897/root/chroot_tmpdir/scmroot/fluxcapacitor
Cloning into '/var/lib/mock/f31-build-109088-33897/root/chroot_tmpdir/scmroot/fluxcapacitor'...
$ git reset --hard 345301e8528fcc26438ef2c5515ee4ca590f89a3
HEAD is now at 345301e - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild