_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 "$1") cmd="my__app" ;; help) cmd+="__help" ;; some-cmd-with-hyphens) cmd+="__some__cmd__with__hyphens" ;; some-hidden-cmd) cmd+="__some__hidden__cmd" ;; some_cmd) cmd+="__some_cmd" ;; test) cmd+="__test" ;; *) ;; esac done case "${cmd}" in my__app) opts="-C -c -h -V --conf --config --help --version first second test some_cmd some-cmd-with-hyphens some-hidden-cmd 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__help) opts="[...]" 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__some__cmd__with__hyphens) opts="-h -V --help --version" 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__some__hidden__cmd) opts="-h -V --help --version" 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__some_cmd) opts="-h -V --config --help --version ..." if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 fi case "${prev}" in --config) COMPREPLY=($(compgen -f "${cur}")) return 0 ;; *) COMPREPLY=() ;; esac COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 ;; my__app__test) opts="-h -V --case --help --version" if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 fi case "${prev}" in --case) COMPREPLY=($(compgen -f "${cur}")) return 0 ;; *) COMPREPLY=() ;; esac COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 ;; esac } complete -F _my-app -o bashdefault -o default my-app