$ git clone -n https://gitee.com/wenyuzifang/mdadm.git /var/lib/mock/dist-an23-build-469959-74027/root/chroot_tmpdir/scmroot/mdadm
Cloning into '/var/lib/mock/dist-an23-build-469959-74027/root/chroot_tmpdir/scmroot/mdadm'...
$ git fetch origin 00f974ce7175f4a951daf561d0cb36a194aefbd5:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/mdadm
 * [new ref]         00f974ce7175f4a951daf561d0cb36a194aefbd5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00f974c Update code from upstream