Re: pre-2.1.15 -> 2.1.18 upgrade warning

[Mark Burgess]

I'm not sure if it helps, but the version is a class string...

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 <brendan@cs.uchicago.edu> 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
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> >
> 
> 
> --
> Christian Pearce
> 
> 
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