$ git clone -n https://gitee.com/src-opencloudos-rpms/dovecot.git /var/lib/mock/dist-oc8-build-245711-83356/root/chroot_tmpdir/scmroot/dovecot
Cloning into '/var/lib/mock/dist-oc8-build-245711-83356/root/chroot_tmpdir/scmroot/dovecot'...
$ git fetch origin 13a4f2a68feef16d13f063236f6bd7d74ea77abf:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/dovecot
 * [new ref]         13a4f2a68feef16d13f063236f6bd7d74ea77abf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13a4f2a import dovecot-2.3.16-8.tl3.ap.1