$ git clone -n https://gitee.com/lizhao2025/tar.git /var/lib/mock/dist-an23-build-501023-74764/root/chroot_tmpdir/scmroot/tar
Cloning into '/var/lib/mock/dist-an23-build-501023-74764/root/chroot_tmpdir/scmroot/tar'...
$ git fetch origin 8778ba85200f316ad0bbd9ce33dd578b12dab56a:KOJI_FETCH_HEAD
From https://gitee.com/lizhao2025/tar
 * [new ref]         8778ba85200f316ad0bbd9ce33dd578b12dab56a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8778ba8 Update code from upstream