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Mail Archives: cygwin-apps/2001/11/03/19:44:12

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Subject: Re: patches to vendor source trees - discussion
From: Robert Collins <robert DOT collins AT itdomain DOT com DOT au>
To: cygwin-apps AT cygwin DOT com
In-Reply-To: <3BE40C86.590FC8F4@yahoo.com>
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Date: 04 Nov 2001 11:47:32 +1100
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X-OriginalArrivalTime: 04 Nov 2001 00:51:50.0486 (UTC) FILETIME=[E36D7F60:01C164CA]

On Sun, 2001-11-04 at 02:25, Earnie Boyd wrote:
> Christopher Faylor wrote:
> > 
> > On Sat, Nov 03, 2001 at 01:37:03PM +1100, Robert Collins wrote:
> > >On Sat, 2001-11-03 at 13:25, Christopher Faylor wrote:
> > >> On Sat, Nov 03, 2001 at 01:15:54PM +1100, Robert Collins wrote:
> > >> >On Sat, 2001-11-03 at 13:03, Christopher Faylor wrote:
> > >> >>Couldn't the patch remove itself?
> > >> >
> > >> >Not if you create the patch via diff!
> > >>
> > >> Why?  The patch could patch itself into a zero length file and the file
> > >> could be removed via "patch -E".
> > >
> > >To make the patch a zero length file, the entire contents need to be
> > >listed with a - before each line right?
> > >
> > >so how long is a file that completely contains itself?
> > 
> > Yep.  You're right.  If the patch was constructed from diff and if there
> > was only one file, you couldn't have the patch delete itself.
> > 
> 
> How about a script?  Call it say pristine-src or something like that. 
> You would give it a package-version for the parameter.  Then the script
> would apply the patch and if successful remove the patch file.  You
> could even give it some options to allow for a backup of the current src
> directory first.

Sure. But this is all predicated on the patch being in the source dir.
(And someone needs to write the script).

Chuck, I haven't heard from you on this bar the initial comments - and
given the number of packages you maintain....

Also, please note: I'm not suggesting that anyone has to repackage
existing stuff... only that new packages, and new releases of existing
packages should follow the guidelines we establish. I think anything
else would be madness.

Rob

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