$ git clone -n https://gitee.com/yummypeng/ocaml.git /var/lib/mock/dist-an23-build-232880-62627/root/chroot_tmpdir/scmroot/ocaml
Cloning into '/var/lib/mock/dist-an23-build-232880-62627/root/chroot_tmpdir/scmroot/ocaml'...
$ git reset --hard origin/a23
HEAD is now at 6ef59d7 Init from upstream