Re: completion function for apachectl

[Sven Wischnowsky <wischnow@informatik.hu-berlin.de>]

Fletch wrote:

>         This completes for apachectl (a utility that comes with apache 
> to do things such as restarting apache, syntax checking it's
> configuration file, and the like).

Thanks for writing a new completion function.

Just some comments:

> +#compdef apachectl
> +
> +local curcontext="$curcontext" state line commands ret=1
> +typeset -A opt_args

Most of these need only be made local if `_arguments' is used with a
`->state' action.

> +commands=( start startssl stop restart fullstatus status 
> +           graceful configtest help )

Using an extra array maybe slightly more readable, but in a function
as simple as this one...

> +_arguments \
> +  ":Choose an action:($commands)" && ret=0
> +
> +return $ret

No need for `&& ret=0 ... return $ret'. Without a `return' the return
value of a function is the return value of the last command in it.

And using `_arguments' is only really useful if there is some more to
do (options, multiple arguments,...) -- otherwise it's quite
expensive.

One could get the same with the simpler:

  #compdef apachectl

  local expl

  if [[ CURRENT -eq 2 ]]; then
    _wanted commands expl command compadd \
        start startssl stop restart fullstatus status graceful configtest help
  else
    _message 'no more arguments'
  fi

Hm. Since there are several commands (and scripts[1]) that only get one
command as argument, I'm almost tempted to add a generic version of
the above as a utility function. Opinions?

Bye
 Sven

[1] Wasn't there a request for init-script completion on the debian list?

--
Sven Wischnowsky                         wischnow@informatik.hu-berlin.de