$ git clone -n https://src.fedoraproject.org/rpms/fluxcapacitor.git /var/lib/mock/f31-build-51921-27578/root/chroot_tmpdir/scmroot/fluxcapacitor
Cloning into '/var/lib/mock/f31-build-51921-27578/root/chroot_tmpdir/scmroot/fluxcapacitor'...
$ git reset --hard be1dc9d717f807832729ed9af1f2fe0b1a377acb
HEAD is now at be1dc9d - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild