$ git clone -n https://gitee.com/yummypeng/ocaml-ppx-derivers.git /var/lib/mock/dist-an23-build-236555-62830/root/chroot_tmpdir/scmroot/ocaml-ppx-derivers
Cloning into '/var/lib/mock/dist-an23-build-236555-62830/root/chroot_tmpdir/scmroot/ocaml-ppx-derivers'...
$ git reset --hard origin/a23
HEAD is now at 6e1cbdc Init from upstream