.bash_completion
#!/bin/bash
_commander-sample() {
declare -a cur # prev
cur="${COMP_WORDS[COMP_CWORD]}"
# prev="${COMP_WORDS[COMP_CWORD-1]}"
completions=$(commander-sample complete "$COMP_LINE" | tr "\n" " ")
COMPREPLY=( $(compgen -W "$completions" -- "$cur") )
}
complete -F _commander-sample commander-sample