simple tmux bash completion

tmux_completion.bash

# completion for tmux session names                                                                 
function _tmux_complete_session() {                                                                 
  local cur                                                                                         
  cur="${COMP_WORDS[COMP_CWORD]}"                                                                   
  COMPREPLY=( $(compgen -W "$(tmux ls | cut -f 1 -d ':')" -- "${cur}") )                            
}                                                                                                   
alias td='tmux a -d -t'                                                                             
complete -F _tmux_complete_session td