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Date: Fri, 6 Sep 2013 21:09:38 +0100
From: Peter Stephenson <p.w.stephenson@ntlworld.com>
To: zsh-workers@zsh.org
Subject: Re: Directory completion acts as if CHASE_LINKS is set
Message-ID: <20130906210938.30f56d8e@pws-pc.ntlworld.com>
In-Reply-To: <130905083139.ZM29859@torch.brasslantern.com>
References: <l08meg$v06$1@ger.gmane.org>
	<130905083139.ZM29859@torch.brasslantern.com>
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On Thu, 05 Sep 2013 08:31:39 -0700
Bart Schaefer <schaefer@brasslantern.com> wrote:
> diff --git a/Completion/Zsh/Command/_cd b/Completion/Zsh/Command/_cd
> index 476947f..9c82a2f 100644
> --- a/Completion/Zsh/Command/_cd
> +++ b/Completion/Zsh/Command/_cd
> @@ -51,6 +51,14 @@ else
>      _directory_stack && ret=0
>    fi
>  
> +  if [[ $PREFIX = (|*/)..(|/*) ]]; then
> +    local tmpprefix
> +    # Use cd in a subshell to properly [not] resolve symlinks
> +    tmpprefix=$(cd $PREFIX >&/dev/null && print $PWD) ||
> +      tmpprefix=$(cd $PREFIX:h >&/dev/null && print $PWD/$PREFIX:t)
> +    [[ -n $tmpprefix ]] && PREFIX=$tmpprefix
> +  fi
> +
>    if [[ $PREFIX != (\~|/|./|../)* ]]; then
>      local tmpcdpath alt

You're probably going to be better off using ${PREFIX:a} rather than
cd.  I also wonder if it would be better only to look at previous
directory components, i.e. always take the PREFIX up to the last "/"
(and require that there be one) rather than have two cases.

I doubt there's much you can do better if you're completing in the
middle of the word.   If COMPLETEINWORD is not set, so you're sensitive
to $SUFFIX, you might use $PREFIX$SUFFIX, but apart from that $PREFIX
looks like the only interesting bit for path resolution.  This is rather
specialised.

-- 
Peter Stephenson <p.w.stephenson@ntlworld.com>
Web page now at http://homepage.ntlworld.com/p.w.stephenson/