$ git clone -n https://gitee.com/mgb01105731/tmux.git /var/lib/mock/dist-an23-build-540146-84526/root/chroot_tmpdir/scmroot/tmux
Cloning into '/var/lib/mock/dist-an23-build-540146-84526/root/chroot_tmpdir/scmroot/tmux'...
$ git fetch origin 885324dacadaa0762176f01424c96f82b950a8f9:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/tmux
 * [new ref]         885324dacadaa0762176f01424c96f82b950a8f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 885324d Update to 3.6b