$ git clone -n https://gitee.com/src-opencloudos-rpms/tmux.git /var/lib/mock/dist-oc9-build-245885-83392/root/chroot_tmpdir/scmroot/tmux
Cloning into '/var/lib/mock/dist-oc9-build-245885-83392/root/chroot_tmpdir/scmroot/tmux'...
$ git fetch origin b68fa29e6dc653557f3dcde51b481af3bdaf37d1:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tmux
 * [new ref]         b68fa29e6dc653557f3dcde51b481af3bdaf37d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b68fa29 import tmux-3.4-4.tl4