From mboxrd@z Thu Jan  1 00:00:00 1970
From: Johannes Sixt <j6t@kdbg.org>
Subject: Re: [PATCH 2/2] completion: enhance "current branch" display
Date: Sun, 10 May 2009 13:57:01 +0200
Message-ID: <200905101357.01959.j6t@kdbg.org>
References: <7vvdo91glm.fsf@alter.siamese.dyndns.org> <200905101259.07175.j6t@kdbg.org> <87my9lnqet.fsf@erwin.mina86.com>
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Cc: Junio C Hamano <gitster@pobox.com>,
	"Shawn O. Pearce" <spearce@spearce.org>, git@vger.kernel.org
To: Michal Nazarewicz <mina86@tlen.pl>
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On Sonntag, 10. Mai 2009, Michal Nazarewicz wrote:
> Johannes Sixt <j6t@kdbg.org> writes:
> > On Sonntag, 10. Mai 2009, Junio C Hamano wrote:
> >>  				b="$(cut -c1-7 "$g/HEAD" 2>/dev/null)..." ||
> >
> > While you are here, you could turn this line into
> >
> > 		{ b=$(< "$g/HEAD") && b=${b:0:7}...; } 2>/dev/null ||
> >
> > to save a process. $(< foo) is a bash feature and does the same as
> > $(cat foo), but faster.
>
> Excuse me this little cavil but how about something that works on other
> shells as well:
>
> { read b <$g/HEAD && _b=${b#???????} && b=${b%"$_b"}... && unset _b }

Because this is all about *bash* completion ;-)

-- Hannes