$ git clone -n https://gitee.com/opencloudos-stream/cyrus-imapd.git /var/lib/mock/dist-ocs23-build-33564-1535/root/chroot_tmpdir/scmroot/cyrus-imapd
Cloning into '/var/lib/mock/dist-ocs23-build-33564-1535/root/chroot_tmpdir/scmroot/cyrus-imapd'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/cyrus-imapd
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8b672f9 !5 Rebuilt for mariadb-connector-c 3.3.5 Merge pull request !5 from gordonwwang/master