From: Junio C Hamano <gitster@pobox.com>
Date: Fri, 23 Oct 2009 21:26:53 GMT
Subject: Re: [PATCH] tar: on extract, -o is --no-same-owner
Message-ID: <7vocnxajj6.fsf@alter.siamese.dyndns.org>
In-Reply-To: <20091023210648.GA23122@mx.loc>

Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> writes:

> On Fri, Oct 23, 2009 at 10:25:24PM +0200, Bernhard Reutner-Fischer wrote:
>>On Fri, Oct 23, 2009 at 10:15:43PM +0200, Bernhard Reutner-Fischer wrote:
>>>GNU tar-1.22 handles 'o' as no-same-owner only on extract,
>>>on create, 'o' would be --old-archive.
>>
>>FYI this was prompted by:
>>
>>Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
>>
>>diff -rdup git-1.6.5.oorig/templates/Makefile git-1.6.5/templates/Makefile
>>--- git-1.6.5.oorig/templates/Makefile	2009-10-11 03:42:04.000000000 +0200
>>+++ git-1.6.5/templates/Makefile	2009-10-23 21:43:06.000000000 +0200
>>@@ -50,4 +50,4 @@ clean:
>> install: all
>> 	$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(template_instdir_SQ)'
>> 	(cd blt && $(TAR) cf - .) | \
>>-	(cd '$(DESTDIR_SQ)$(template_instdir_SQ)' && umask 022 && $(TAR) xfo -)
>>+	(cd '$(DESTDIR_SQ)$(template_instdir_SQ)' && umask 022 && $(TAR) x --no-numeric-owner -f -)
>
> argh, sorry! --no-same-owner of course.

Either way, your change would break non-GNU tar implementations that are
properly POSIX.1, isn't it?