$ git clone -n https://gitee.com/src-opencloudos-rpms/cyrus-imapd.git /var/lib/mock/dist-oc9-build-210870-80654/root/chroot_tmpdir/scmroot/cyrus-imapd
Cloning into '/var/lib/mock/dist-oc9-build-210870-80654/root/chroot_tmpdir/scmroot/cyrus-imapd'...
$ git fetch origin 0da601fdf4891c25d7b8dd6b0fa628a1d1091e47:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/cyrus-imapd
 * [new ref]         0da601fdf4891c25d7b8dd6b0fa628a1d1091e47 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0da601f import cyrus-imapd-3.4.8-5.tl4