$ git clone -n https://gitee.com/opencloudos-stream/imaptest.git /var/lib/mock/dist-oc9-epol-build-120043-70911/root/chroot_tmpdir/scmroot/imaptest
Cloning into '/var/lib/mock/dist-oc9-epol-build-120043-70911/root/chroot_tmpdir/scmroot/imaptest'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/imaptest
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cfc7f23 !1 [IAQ5XM]:Rebuild for dovecot in opencloudos-stream Merge pull request !1 from ocs-bot/master