$ git clone -n https://src.fedoraproject.org/rpms/boost.git /var/lib/mock/f33-build-159020-43407/root/chroot_tmpdir/scmroot/boost
Cloning into '/var/lib/mock/f33-build-159020-43407/root/chroot_tmpdir/scmroot/boost'...
$ git reset --hard 193ea1c20725126f99d669169348360b6a6eb44d
HEAD is now at 193ea1c Update boost.spec for f33/rawhide