$ git clone -n https://src.fedoraproject.org/rpms/wide-dhcpv6.git /var/lib/mock/f31-build-71017-30567/root/thebuilddir/tmp/scmroot/wide-dhcpv6
Cloning into '/var/lib/mock/f31-build-71017-30567/root/thebuilddir/tmp/scmroot/wide-dhcpv6'...
$ git reset --hard 3b881b20b157713091623a244a9cc70ab289d0d9
HEAD is now at 3b881b2 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild