$ git clone -n https://gitee.com/wency_cn/tar_1770963528.git /var/lib/mock/dist-an23-build-514449-75110/root/chroot_tmpdir/scmroot/tar_1770963528
Cloning into '/var/lib/mock/dist-an23-build-514449-75110/root/chroot_tmpdir/scmroot/tar_1770963528'...
$ git fetch origin 466bdaf8883a895741dd079b94f140981f494b6a:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/tar_1770963528
 * [new ref]         466bdaf8883a895741dd079b94f140981f494b6a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 466bdaf Update code from upstream