Date: Tue, 3 Aug 2004 13:57:55 -0400 From: Garance A Drosihn <drosih@rpi.edu> To: Johny Mattsson <lonewolf-freebsd@earthmagic.org>, Tim Kientzle <kientzle@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: HEADS UP: tar -l is now (intentionally) broken. Message-ID: <p0611044bbd358191dab5@[128.113.24.47]> In-Reply-To: <410F5A99.3000505@earthmagic.org> References: <410F28E1.8080105@freebsd.org> <410F5A99.3000505@earthmagic.org>
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At 7:27 PM +1000 8/3/04, Johny Mattsson wrote: >Tim Kientzle wrote: >>Since POSIX and GNU violently disagree about the >>meaning of "tar -l", and there seem to be strong >>adherents to both interpretations, I'm preparing to >>commit a patch that breaks "tar -l" for everyone: >> >>$ tar -cl foo >> Error: -l has different behaviors in different tars. >> For the GNU behavior, use --one-file-system instead. >> For the POSIX behavior, use --check-links instead. > >Apologies if this is close to a bike-shed, but how about >making the above message a transitional message, and >changing it to: > >$ tar -cl foo > Error: -l has different behaviors in different tars. > For the GNU behavior, use --one-file-system instead. > For the POSIX behavior, use --check-links instead. > In future releases, POSIX behavior will be assumed, so > please adjust scripts and mentality as needed before then. Note that this is kind of pointless. What `-l' will do in *future* releases will not help the user if they can not use it right now. I.e., the current behavior is going to force script-writers to use either --one-file-system or --check-links right now, or their script will not work at all. They cannot "adjust" their scripts to use -j at some unspecified point in the future, if they can't use the option right now. (btw, I do think this change is the right change to make, given all the details of the `-l' option). -- Garance Alistair Drosehn = gad@gilead.netel.rpi.edu Senior Systems Programmer or gad@freebsd.org Rensselaer Polytechnic Institute or drosih@rpi.edu
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