$ git clone -n https://src.fedoraproject.org/rpms/bison.git /var/lib/mock/f32-build-119997-36894/root/thebuilddir/tmp/scmroot/bison
Cloning into '/var/lib/mock/f32-build-119997-36894/root/thebuilddir/tmp/scmroot/bison'...
$ git reset --hard dd93c18e8e12fd8124aaf01d18639304e995f41b
HEAD is now at dd93c18 Rebase to 3.5 (#1751843)