$ git clone -n https://gitee.com/mgb01105731/tmux.git /var/lib/mock/dist-an23-build-540170-84526/root/chroot_tmpdir/scmroot/tmux
Cloning into '/var/lib/mock/dist-an23-build-540170-84526/root/chroot_tmpdir/scmroot/tmux'...
$ git fetch origin 99df956012af3ad5d60f32f54071691d5c4238bd:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/tmux
 * [new ref]         99df956012af3ad5d60f32f54071691d5c4238bd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 99df956 Update to 3.6b