$ git clone -n https://gitee.com/mgb01105731/tmux.git /var/lib/mock/dist-an23-build-540191-84526/root/chroot_tmpdir/scmroot/tmux
Cloning into '/var/lib/mock/dist-an23-build-540191-84526/root/chroot_tmpdir/scmroot/tmux'...
$ git fetch origin 27c11cb10a20ce7e4ae9b7835166ed3929bdb931:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/tmux
 * [new ref]         27c11cb10a20ce7e4ae9b7835166ed3929bdb931 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 27c11cb Update to 3.6b