_my-app() { local i cur prev opts cmds COMPREPLY=() cur="${COMP_WORDS[COMP_CWORD]}" prev="${COMP_WORDS[COMP_CWORD-1]}" cmd="" opts="" for i in ${COMP_WORDS[@]} do case "${i}" in "$1") cmd="my__app" ;; cmd-backslash) cmd+="__cmd__backslash" ;; cmd-backticks) cmd+="__cmd__backticks" ;; cmd-brackets) cmd+="__cmd__brackets" ;; cmd-double-quotes) cmd+="__cmd__double__quotes" ;; cmd-expansions) cmd+="__cmd__expansions" ;; cmd-single-quotes) cmd+="__cmd__single__quotes" ;; help) cmd+="__help" ;; *) ;; esac done case "${cmd}" in my__app) opts="-h -V --single-quotes --double-quotes --backticks --backslash --brackets --expansions --help --version cmd-single-quotes cmd-double-quotes cmd-backticks cmd-backslash cmd-brackets cmd-expansions help" if [[ ${cur} == -* || ${COMP_CWORD} -eq 1 ]] ; then COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 fi case "${prev}" in *) COMPREPLY=() ;; esac COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 ;; my__app__cmd__backslash) opts="-h --help" if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 fi case "${prev}" in *) COMPREPLY=() ;; esac COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 ;; my__app__cmd__backticks) opts="-h --help" if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 fi case "${prev}" in *) COMPREPLY=() ;; esac COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 ;; my__app__cmd__brackets) opts="-h --help" if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 fi case "${prev}" in *) COMPREPLY=() ;; esac COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 ;; my__app__cmd__double__quotes) opts="-h --help" if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 fi case "${prev}" in *) COMPREPLY=() ;; esac COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 ;; my__app__cmd__expansions) opts="-h --help" if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 fi case "${prev}" in *) COMPREPLY=() ;; esac COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 ;; my__app__cmd__single__quotes) opts="-h --help" if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 fi case "${prev}" in *) COMPREPLY=() ;; esac COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 ;; my__app__help) opts="[SUBCOMMAND]..." if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 fi case "${prev}" in *) COMPREPLY=() ;; esac COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 ;; esac } complete -F _my-app -o bashdefault -o default my-app