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Mail Archives: cygwin-apps/2001/11/03/10:26:30

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Date: Sat, 03 Nov 2001 10:25:58 -0500
From: Earnie Boyd <earnie_boyd AT yahoo DOT com>
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To: cygwin-apps AT Cygwin DOT Com
Subject: Re: patches to vendor source trees - discussion
References: <1004752145 DOT 521 DOT 38 DOT camel AT lifelesswks> <20011102210311 DOT D31918 AT redhat DOT com> <1004753755 DOT 520 DOT 55 DOT camel AT lifelesswks> <20011102212558 DOT F31918 AT redhat DOT com> <1004755024 DOT 520 DOT 61 DOT camel AT lifelesswks> <20011102214324 DOT K31918 AT redhat DOT com>

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.

-- 
Earnie.

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