$ git clone -n https://gitee.com/wenyuzifang/tmux_1756951710.git /var/lib/mock/dist-an23-build-467270-73998/root/chroot_tmpdir/scmroot/tmux_1756951710
Cloning into '/var/lib/mock/dist-an23-build-467270-73998/root/chroot_tmpdir/scmroot/tmux_1756951710'...
$ git fetch origin 492459bbd6fef31f3a591866d8e7cdbfda4938c6:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/tmux_1756951710
 * [new ref]         492459bbd6fef31f3a591866d8e7cdbfda4938c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 492459b Update code from upstream