$ git clone -n https://gitee.com/wenyuzifang/tmux_1756972184.git /var/lib/mock/dist-an23-build-467406-73998/root/chroot_tmpdir/scmroot/tmux_1756972184
Cloning into '/var/lib/mock/dist-an23-build-467406-73998/root/chroot_tmpdir/scmroot/tmux_1756972184'...
$ git fetch origin e297dc39d9f5679898786e31ba384e62ecbd2312:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/tmux_1756972184
 * [new ref]         e297dc39d9f5679898786e31ba384e62ecbd2312 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e297dc3 Update code from upstream