$ git clone -n https://gitee.com/wency_cn/tuna_1770894076.git /var/lib/mock/dist-an23-build-514172-75110/root/chroot_tmpdir/scmroot/tuna_1770894076
Cloning into '/var/lib/mock/dist-an23-build-514172-75110/root/chroot_tmpdir/scmroot/tuna_1770894076'...
$ git fetch origin 458ac6ede0e2f18b24fa88756bcd136509a5029b:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/tuna_1770894076
 * [new ref]         458ac6ede0e2f18b24fa88756bcd136509a5029b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 458ac6e Update code from upstream