$ git clone -n https://gitee.com/mgb01105731/dkms.git /var/lib/mock/dist-an23-build-473406-74127/root/chroot_tmpdir/scmroot/dkms
Cloning into '/var/lib/mock/dist-an23-build-473406-74127/root/chroot_tmpdir/scmroot/dkms'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/dkms
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 17270a2 update to 3.2.2