Hi,

On Wed, 18 Oct 2006, Charles Duffy wrote:

quoted text
> Johannes Schindelin wrote:

you neatly clipped the most important part of my email: I quoted you 
saying that plugins can even change core behaviour!

quoted text
> > So, the wonderful upside of plugins you described here are actually the
> > reason I will never, _never_ use bzr with plugins.
> > 
> 
> I presume that for this reason you will also never, _never_ use a 
> non-mainline branch of git -- even if its actual code only touches UI 
> enhancements or something similarly non-core

NO! The point was that I will not gladly run anything which could change 
the core. If I know it touches only the UI, there is no problem.

If I get a shell script using git-core programs to do its job, I 
_know_ that my repository will not be fscked afterwards.

And _that_ was the whole point of my email.

quoted text
> And that you will never, _never_ use third-party wrappers because they 
> might play LD_PRELOAD tricks. Or run any software with root privileges 
> you haven't personally written. Or...

Most of it comes down to trust. And yes, you are correct, I will not run 
git with some obscure module LD_PRELOADed that some guy from some planet 
sent me.

You might have missed my argument being about the SCM, and not the 
universe and all the rest.

quoted text
> The claim that an extensibility mechanism should be rejected wholesale 
> on account of being excessively powerful, on the other hand, is just 
> silly.

Oh, but NO! An extensibility mechanism which allows for a fragile system 
_is_ silly. Not my rejection of it.

Just take an example (illustrating that once again, one should not 
attribute everything to malevolence...): I write a plugin for bzr. It does 
really wonderful things, it even cooks you dinner.

Only that I happened to make a small mistake (if you followed some threads 
on the git list, you'd know that small mistakes are a hobby of mine), and 
by this mistake, your repository is ... gone. Small mistake, big 
consequence. That is wrong with such a powerful system which caters for 
developers, which are human after all.

Note that such a small mistake would be much more likely caught in git: if 
it touches the core, plenty of eyes look at it.

Ciao,
Dscho

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