$ git clone -n https://gitee.com/hongwei-qin/mpich.git /var/lib/mock/dist-an23.3-build-416518-72865/root/chroot_tmpdir/scmroot/mpich
Cloning into '/var/lib/mock/dist-an23.3-build-416518-72865/root/chroot_tmpdir/scmroot/mpich'...
$ git fetch origin ed2d8b8dacf215af414b85dccdfcca53a769daeb:KOJI_FETCH_HEAD
From https://gitee.com/hongwei-qin/mpich
 * [new ref]         ed2d8b8dacf215af414b85dccdfcca53a769daeb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed2d8b8 update to 4.1.2