$ git clone -n https://gitee.com/src-anolis-os/ocaml-mmap.git /mnt/mock/kojid//dist-an23.3-riscv-build-437933-73130/root/chroot_tmpdir/scmroot/ocaml-mmap
Cloning into '/mnt/mock/kojid//dist-an23.3-riscv-build-437933-73130/root/chroot_tmpdir/scmroot/ocaml-mmap'...
$ git fetch origin 273e0be19a79d2a703e5ac3d187b9485b9525a22:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/ocaml-mmap
 * [new ref]         273e0be19a79d2a703e5ac3d187b9485b9525a22 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 273e0be Init from upstream