#compdef bundle
 
local curcontext="$curcontext" state line _gems _opts ret=1
 
_arguments -C -A "-v" -A "--version" \
    '(- 1 *)'{-v,--version}'[display version information]' \
    '1: :->cmds' \
    '*:: :->args' && ret=0
 
case $state in
    cmds)
        _values "bundle command" \
            "install[Install the gems specified by the Gemfile or Gemfile.lock]" \
            "update[Update dependencies to their latest versions]" \
            "package[Package the .gem files required by your application]" \
            "exec[Execute a script in the context of the current bundle]" \
            "config[Specify and read configuration options for bundler]" \
            "check[Determine whether the requirements for your application are installed]" \
            "list[Show all of the gems in the current bundle]" \
            "show[Show the source location of a particular gem in the bundle]" \
            "console[Start an IRB session in the context of the current bundle]" \
            "open[Open an installed gem in the editor]" \
            "viz[Generate a visual representation of your dependencies]" \
            "init[Generate a simple Gemfile, placed in the current directory]" \
            "gem[Create a simple gem, suitable for development with bundler]" \
            "help[Describe available tasks or one specific task]"
        ret=0
        ;;
    args)
        case $line[1] in
            help)
                _values 'commands' \
                    'install' \
                    'update' \
                    'package' \
                    'exec' \
                    'config' \
                    'check' \
                    'list' \
                    'show' \
                    'console' \
                    'open' \
                    'viz' \
                    'init' \
                    'gem' \
                    'help' && ret=0
                ;;
            install)
                _arguments \
                    '(--no-color)--no-color[disable colorization in output]' \
                    '(--local)--local[do not attempt to connect to rubygems.org]' \
                    '(--quiet)--quiet[only output warnings and errors]' \
                    '(--gemfile)--gemfile=-[use the specified gemfile instead of Gemfile]:gemfile' \
                    '(--system)--system[install to the system location]' \
                    '(--deployment)--deployment[install using defaults tuned for deployment environments]' \
                    '(--frozen)--frozen[do not allow the Gemfile.lock to be updated after this install]' \
                    '(--path)--path=-[specify a different path than the system default]:path:_files' \
                    '(--binstubs)--binstubs=-[generate bin stubs for bundled gems to ./bin]:directory:_files' \
                    '(--without)--without=-[exclude gems that are part of the specified named group]:groups'
                ret=0
                ;;
            exec)
                _normal && ret=0
                ;;
            (open|show)
                _gems=( $(bundle show 2> /dev/null | sed -e '/^  \*/!d; s/^  \* \([^ ]*\) .*/\1/') )
                if [[ $_gems != "" ]]; then
                    _values 'gems' $_gems && ret=0
                fi
                ;;
            *)
                _opts=(  $(bundle help $line[1] | sed -e '/^  \[-/!d; s/^  \[\(-[^=]*\)=.*/\1/') )
                _opts+=( $(bundle help $line[1] | sed -e '/^  -/!d; s/^  \(-.\), \[\(-[^=]*\)=.*/\1 \2/') )
                if [[ $_opts != "" ]]; then
                    _values 'options' $_opts && ret=0
                fi
                ;;
        esac
        ;;
esac
 
return ret