$ git clone -n https://gitee.com/wency_cn/sendmail_1772095888.git /var/lib/mock/dist-an23-build-515375-75118/root/chroot_tmpdir/scmroot/sendmail_1772095888
Cloning into '/var/lib/mock/dist-an23-build-515375-75118/root/chroot_tmpdir/scmroot/sendmail_1772095888'...
$ git fetch origin 8df87e8af94cc41bd42c9a01a3f415a366555463:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/sendmail_1772095888
 * [new ref]         8df87e8af94cc41bd42c9a01a3f415a366555463 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8df87e8 Update code from upstream