$ git clone -n https://gitee.com/ocs-upgrade/cyrus-imapd.git /var/lib/mock/dist-ocs23-build-284663-27555/root/chroot_tmpdir/scmroot/cyrus-imapd
Cloning into '/var/lib/mock/dist-ocs23-build-284663-27555/root/chroot_tmpdir/scmroot/cyrus-imapd'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-upgrade/cyrus-imapd
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e0ea04b Upgrade to version 3.10.0