From mboxrd@z Thu Jan  1 00:00:00 1970
From: Felipe Contreras <felipe.contreras@gmail.com>
Subject: Re: [PATCH 5/7] completion: fix expansion issues in __gitcomp_nl()
Date: Sun, 18 Nov 2012 01:58:27 +0100
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Cc: git@vger.kernel.org, Jeff King <peff@peff.net>,
	Jonathan Nieder <jrnieder@gmail.com>,
	Junio C Hamano <gitster@pobox.com>
To: =?UTF-8?Q?SZEDER_G=C3=A1bor?= <szeder@ira.uka.de>
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On Sat, Nov 17, 2012 at 12:05 PM, SZEDER G=C3=A1bor <szeder@ira.uka.de>=
 wrote:

>  __gitcomp_nl ()
>  {
>         local IFS=3D$'\n'
> -       COMPREPLY=3D($(compgen -P "${2-}" -S "${4- }" -W "$1" -- "${3=
-$cur}"))
> +       COMPREPLY=3D($(awk -v pfx=3D"${2-}" -v sfx=3D"${4- }" -v cur=3D=
"${3-$cur}" '
> +               BEGIN {
> +                       FS=3D"\n";
> +                       len=3Dlength(cur);
> +               }
> +               {
> +                       if (cur =3D=3D substr($1, 1, len))
> +                               print pfx$1sfx;
> +               }' <<< "$1" ))
>  }

This version is simpler and faster:

	local IFS=3D$'\n'
	COMPREPLY=3D($(awk -v cur=3D"${3-$cur}" -v pre=3D"${2-}" -v suf=3D"${4=
- }"
'$0 ~ cur { print pre$0suf }' <<< "$1" ))

=3D=3D 10000 =3D=3D
awk 1:
real	0m0.067s
user	0m0.066s
sys	0m0.001s
awk 2:
real	0m0.057s
user	0m0.055s
sys	0m0.002s

--=20
=46elipe Contreras