$ git clone -n https://gitee.com/hongwei-qin/mpich.git /var/lib/mock/dist-an23.3-build-416525-72865/root/chroot_tmpdir/scmroot/mpich
Cloning into '/var/lib/mock/dist-an23.3-build-416525-72865/root/chroot_tmpdir/scmroot/mpich'...
$ git fetch origin dea81f677b6a490dc6bc5db5b6cc546f530c6080:KOJI_FETCH_HEAD
From https://gitee.com/hongwei-qin/mpich
 * [new ref]         dea81f677b6a490dc6bc5db5b6cc546f530c6080 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dea81f6 update to 4.1.2