$ git clone -n https://gitee.com/src-opencloudos-rpms/dovecot.git /var/lib/mock/dist-oc8-build-239606-82608/root/chroot_tmpdir/scmroot/dovecot
Cloning into '/var/lib/mock/dist-oc8-build-239606-82608/root/chroot_tmpdir/scmroot/dovecot'...
$ git fetch origin ed306d6ef80681d2eabee2dad0c75dab497a7299:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/dovecot
 * [new ref]         ed306d6ef80681d2eabee2dad0c75dab497a7299 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed306d6 import dovecot-2.3.16-7.tl3.ap.1