$ git clone -n https://gitee.com/wency_cn/git_1767784795.git /var/lib/mock/dist-an23-build-504856-74854/root/chroot_tmpdir/scmroot/git_1767784795
Cloning into '/var/lib/mock/dist-an23-build-504856-74854/root/chroot_tmpdir/scmroot/git_1767784795'...
$ git fetch origin e2d0d497586503065e83f683deee55b6c0ab015a:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/git_1767784795
 * [new ref]         e2d0d497586503065e83f683deee55b6c0ab015a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2d0d49 Update code from upstream