$ git clone -n https://gitee.com/mgb01105731/grub2_3.git /var/lib/mock/dist-an23.1-devel-build-368082-71324/root/chroot_tmpdir/scmroot/grub2_3
Cloning into '/var/lib/mock/dist-an23.1-devel-build-368082-71324/root/chroot_tmpdir/scmroot/grub2_3'...
$ git fetch origin 660a68ec642c069d86e62f47926786555542f8ec:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/grub2_3
 * [new ref]         660a68ec642c069d86e62f47926786555542f8ec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 660a68e update to 2.12