$ git clone -n https://src.fedoraproject.org/rpms/dolfin.git /var/lib/mock/f33-build-228939-49939/root/chroot_tmpdir/scmroot/dolfin
Cloning into '/var/lib/mock/f33-build-228939-49939/root/chroot_tmpdir/scmroot/dolfin'...
$ git reset --hard c8830652abae1df36cf727040803163661d9dd4e
HEAD is now at c883065 Rebuild for new boost