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Re: pre-2.1.15 -> 2.1.18 upgrade warning


From: christian pearce
Subject: Re: pre-2.1.15 -> 2.1.18 upgrade warning
Date: Tue, 31 Jan 2006 14:54:36 -0500

On 1/31/06, Mark Burgess <address@hidden> wrote:
>
> I'm not sure if it helps, but the version is a class string...

True, that will work.

> Also, don't stick to the release versions. Always see what has been
> fixed in the patches
>
>
> On Tue, 2006-01-31 at 13:55 -0500, christian pearce wrote:
> > Brendan,
> >
> > Are you stuck with broken configs at this point?  I am faced with the
> > same quandry.  I am at 2.1.15 but my code is not compatible with
> > 2.1.18.  And last I checked when I tried to fixed the code to work
> > with 2.1.18 it won't work under 2.1.15.  What are you doing to get
> > around this?
> >
> > On 1/31/06, Brendan Strejcek <address@hidden> wrote:
> > > I'm still having issues with the quotation rules for ReturnsZero, though
> > > I did find a workaround. I am trying to embed a command like:
> > >
> > >     /bin/sh -c "/usr/bin/python -c \"import asdf\""
> > >
> > > But I don't seem to be able to get the backslashes down to the shell. I
> > > would expect this to work, escaping the backslashes, as it does in C:
> > >
> > >     ReturnsZero("/bin/sh -c \"${python} -c \\\"import asdf\\\"\"")
> > >
> > > But it does not. With an echo on the front, it seems clear that the parser
> > > is not being greedy enough, as the output I get is:
> > >
> > >     /usr/local/bin/python -c \
> > >
> > > So it is throwing away everything after the underlined section:
> > >
> > >     ReturnsZero("/bin/sh -c \"${python} -c \\\"import asdf\\\"\"")
> > >                             ^^^^^^^^^^^^^^^^^^^
> > >
> > > I did find that the following works:
> > >
> > >     ReturnsZero("/bin/sh -c \"${python} -c ${quote}import asdf${quote}\"")
> > >
> > > So maybe there is a bug with escaping backslashes.
> > >
> > > I guess I will add a paragraph to my best practices document saying that
> > > one should avoid complicated escaping. It is hard to read, anyways.
> > >
> > > Best,
> > > Brendan
> > >
> > > --
> > > Senior System Administrator
> > > The University of Chicago
> > > Department of Computer Science
> > >
> > > http://www.cs.uchicago.edu/people/brendan
> > > http://praksys.blogspot.com/
> > >
> > >
> > > _______________________________________________
> > > Help-cfengine mailing list
> > > address@hidden
> > > http://lists.gnu.org/mailman/listinfo/help-cfengine
> > >
> >
> >
> > --
> > Christian Pearce
> >
> >
> > _______________________________________________
> > Help-cfengine mailing list
> > address@hidden
> > http://lists.gnu.org/mailman/listinfo/help-cfengine
>
>


--
Christian Pearce




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