$ git clone -n https://src.fedoraproject.org/rpms/boost.git /var/lib/mock/f33-build-557577-65631/root/chroot_tmpdir/scmroot/boost
Cloning into '/var/lib/mock/f33-build-557577-65631/root/chroot_tmpdir/scmroot/boost'...
$ git reset --hard d9e1272e57b8968a60d47c9066b4fe12614f46a8
HEAD is now at d9e1272 Patch Boost.Locale to not access empty vector (#1899888)