$ git clone -n https://gitee.com/wency_cn/bolt_1770742708.git /var/lib/mock/dist-an23-build-513201-75099/root/chroot_tmpdir/scmroot/bolt_1770742708
Cloning into '/var/lib/mock/dist-an23-build-513201-75099/root/chroot_tmpdir/scmroot/bolt_1770742708'...
$ git fetch origin c64a90e71a2f95a1c5783e36b2b4473655b8b684:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/bolt_1770742708
 * [new ref]         c64a90e71a2f95a1c5783e36b2b4473655b8b684 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c64a90e Update code from upstream