delorie.com/archives/browse.cgi   search  
Mail Archives: cygwin/2003/02/11/20:08:13

Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sources.redhat.com/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sources.redhat.com/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com
X-Authentication-Warning: slinky.cs.nyu.edu: pechtcha owned process doing -bs
Date: Tue, 11 Feb 2003 20:08:02 -0500 (EST)
From: Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: Max Bowsher <maxb AT ukf DOT net>
cc: cygwin AT cygwin DOT com, "Newton, Doug" <dnewton AT htc DOT net>
Subject: Re: cygpath bug in version 1.25 -- Fundamental Change in the Behaviour
of Cygpath
In-Reply-To: <012501c2d229$5fd434f0$78d96f83@pomello>
Message-ID: <Pine.GSO.4.44.0302112004040.14791-200000@slinky.cs.nyu.edu>
Importance: Normal
MIME-Version: 1.0

---559023410-851401618-1045012082=:14791
Content-Type: TEXT/PLAIN; charset=US-ASCII

On Tue, 11 Feb 2003, Max Bowsher wrote:

> Igor Pechtchanski wrote:
> > On Tue, 11 Feb 2003, Newton, Doug wrote:
> >
> >> If this change is what is desired by the majority, that is fine.
> >> BUT, it should have been made clear that the fundamental behaviour
> >> of cygpath had changed.  I have many scripts that no longer work.
> >> Even the jakarata ant tool's start-up script now mangles the
> >> classpath because of this change in behaviour.
> >
> > This change makes the output correct.  I suppose that would be
> > something desired by the majority...
>
> Yet technical correctness has come at the price of usability and
> functionality.
> E.g. You cannot convert to --mixed style from --windows style with --path.

Quite true.

> >> We no longer have the option to run a classpath of unknown format
> >> through cgypath to make sure it is in a known format.  This is the
> >> issue in the jakarta ant tool.  It makes no assumptions on what the
> >> format of the path is -- it immediately converts it to unix
> >> regardless of the current format.
> >
> > It makes an assumption that the format is Windows.  Otherwise,
> > there'd be no need to convert to Unix format...
>
> Of course, if you simply wanted to *ensure* that the path was in unix
> format... you're stuck.

Yes.  I tracked the change to the following cvs commit:
<http://cygwin.com/ml/cygwin-cvs/2002-q4/msg00080.html>, particularly the
"(doit): Do various things to make path output work predictably." part.

> >> Is there another utility that can be used to identify the format of a
> >> classpath?  This will be needed to account for the changed behaviour
> >> in modifying scripts.
> >
> > Umm, 'grep'?  In particular, grep for a ";" or a "\" for a
> > windows-format path...
>
> Which is presumably vaguely what cygpath used to do.
>
> Doug: have you considered making a patch to cygpath to make it behave more
> to your liking (conditional on a command line option if need be), and
> submitting that?
>
> Max.

Umm, since I've opened my mouth on the issue, I'll submit the patch...
	Igor
==========================================================================
ChangeLog:
2003-02-11  Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>

	* cygpath.cc (doit): Add code to simply ensure the path is
	in the right format.
	(ensure_flag): New static variable.
	(options,long_options): Add 'e' flag.
	(main): Set ensure_flag.

-- 
				http://cs.nyu.edu/~pechtcha/
      |\      _,,,---,,_		pechtcha AT cs DOT nyu DOT edu
ZZZzz /,`.-'`'    -.  ;-;;,_		igor AT watson DOT ibm DOT com
     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

Oh, boy, virtual memory! Now I'm gonna make myself a really *big* RAMdisk!
  -- /usr/games/fortune

---559023410-851401618-1045012082=:14791
Content-Type: TEXT/PLAIN; charset=US-ASCII; name="cygpath-ensure-flag.patch"
Content-Transfer-Encoding: BASE64
Content-ID: <Pine DOT GSO DOT 4 DOT 44 DOT 0302112008020 DOT 14791 AT slinky DOT cs DOT nyu DOT edu>
Content-Description: 
Content-Disposition: attachment; filename="cygpath-ensure-flag.patch"
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---559023410-851401618-1045012082=:14791
Content-Type: text/plain; charset=us-ascii

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Bug reporting:         http://cygwin.com/bugs.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/
---559023410-851401618-1045012082=:14791--

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019