$ git clone -n https://gitee.com/lxpzero/mpich.git /var/lib/mock/dist-an23.3-build-424200-72931/root/chroot_tmpdir/scmroot/mpich
Cloning into '/var/lib/mock/dist-an23.3-build-424200-72931/root/chroot_tmpdir/scmroot/mpich'...
$ git fetch origin bfd5796934f2323e79b092fe777e6efbd6f3db6b:KOJI_FETCH_HEAD
From https://gitee.com/lxpzero/mpich
 * [new ref]         bfd5796934f2323e79b092fe777e6efbd6f3db6b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bfd5796 update to 4.1.2 from 4.0.3