$ git clone -n https://gitee.com/wency_cn/git_1767838277.git /var/lib/mock/dist-an23-build-504981-74854/root/chroot_tmpdir/scmroot/git_1767838277
Cloning into '/var/lib/mock/dist-an23-build-504981-74854/root/chroot_tmpdir/scmroot/git_1767838277'...
$ git fetch origin 91d92cb8e9242eed2af04d7deb6ed47ed4590b28:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/git_1767838277
 * [new ref]         91d92cb8e9242eed2af04d7deb6ed47ed4590b28 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 91d92cb Update code from upstream