$ git clone -n https://gitee.com/mgb01105731/tmux.git /var/lib/mock/dist-an23-build-540128-84526/root/chroot_tmpdir/scmroot/tmux
Cloning into '/var/lib/mock/dist-an23-build-540128-84526/root/chroot_tmpdir/scmroot/tmux'...
$ git fetch origin 569afcc4977f46c8f6e08be32277e52933041c44:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/tmux
 * [new ref]         569afcc4977f46c8f6e08be32277e52933041c44 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 569afcc Update to 3.6b