svn commit: r200068 - head/usr.bin
Gary Jennejohn
gary.jennejohn at freenet.de
Fri Dec 11 13:20:08 UTC 2009
On Fri, 11 Dec 2009 14:14:12 +0100
Gary Jennejohn <gary.jennejohn at freenet.de> wrote:
> On Fri, 11 Dec 2009 12:57:12 +0100
> Dag-Erling Sm__rgrav <des at des.no> wrote:
>
> > Roman Divacky <rdivacky at FreeBSD.org> writes:
> > > Stefan Farfeleder <stefanf at FreeBSD.org> wrote:
> > > > For me this breaks the ooo-3 build with:
> > > >
> > > > unzip: -n, -o and -u are contradictory
> > > >
> > > > The failing command is 'unzip -quo jurt_src.zip'.
> > >
> > > I dont see a reason why this check is there:
> > >
> > > if (n_opt + o_opt + u_opt > 1)
> > > errorx("-n, -o and -u are contradictory");
> > >
> > >
> > > dag, can you comment?
> >
> > s/dag/des/, please.
> >
> > The bug is in OOo.
> >
> > If you look at extract_file(), you'll see that these three options are
> > handled in three separate branches of a multi-branch if.
> >
> > -n means "never overwrite"
> > -o means "always overwrite"
> > -u means "sometimes overwrite"
> >
> > so -uo does not make much sense, and -n along with either -u or -o does
> > not make any sense whatsoever.
> >
> > > /usr/local/bin/unzip seems to accept those together happilly..
> >
> > You should check if:
> >
> > a) -uo gives the same result as -u
> > b) -uo gives the same result as -o
> > c) -ou gives the same result as -u
> > d) -ou gives the same result as -o
> > e) -uo and -ou give the same result
> >
> > My guess would be either bc or bde. In either case, there is a risk
> > that this is not what the user wanted, so IMHO the best solution is to
> > not do anything at all.
> >
>
> root:ernst:~:bash:21> /usr/local/bin/unzip --help
> -u update files, create if necessary
> -n never overwrite existing files
> -o overwrite files WITHOUT prompting
>
> I deleted all but uon.
>
> -u has a totally different meaning. Evidently o and n can be combined without
> any problem.
>
I meant to hit delete on this mail instead of send. I notice that -u
actually means exactly the same thing for both versions. Too many buttons
on claws-mail.
---
Gary Jennejohn
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