$ git clone -n https://src.fedoraproject.org/rpms/mlpack.git /var/lib/mock/f33-build-325244-58015/root/chroot_tmpdir/scmroot/mlpack
Cloning into '/var/lib/mock/f33-build-325244-58015/root/chroot_tmpdir/scmroot/mlpack'...
$ git reset --hard af836544cf233e2aa5fb54cdf09403e6af0d2db6
HEAD is now at af83654 Try disabling LTO for builds.