$ git clone -n https://src.fedoraproject.org/rpms/libdfp.git /var/lib/mock/f33-build-558444-65700/root/chroot_tmpdir/scmroot/libdfp
Cloning into '/var/lib/mock/f33-build-558444-65700/root/chroot_tmpdir/scmroot/libdfp'...
$ git reset --hard efd9cd72d883ced90d5f33fabe722d3f219eb1ed
HEAD is now at efd9cd7 Disable LTO