Re: new release of udev?

[Kay Sievers <kay.sievers@vrfy.org>]

On Thu, May 19, 2005 at 12:32:20PM +0200, Marco d'Itri wrote:
> On May 19, Kay Sievers <kay.sievers@vrfy.org> wrote:
> 
> > Only the use of the RUN key is a bit difficult then. To solve that, I
> > will implement deferred(question mark) assignment, like in Makefiles for
> > the default system-supplied rules to use:
> >   SUBSYSTEM="block", GROUP?="disk"
> > 
> > will only set the permissions if no other rule has already set the
> > group. This should solve that small issue.
> As I explained in our private discussion, this is complex and does not
> solve the SYMLINK problem: users would still not be able to override
> the distribution SYMLINK directives without using last_rule, which is
> not an option because it breaks RUN processing.

Well, SYMLINK is a list not a single value. Why does someone want to
supress the additional system-supplied symlinks?

> With its current semantics, last_rule should almost never be used by
> users.

Yeah, it can be used exactly for what the name stands for. :)

> I still think that having different "last_rule" directives for NAME and
> RUN rules would be a better solution, and it looks much simpler to
> implement and understand too.

I don't think that this is simpler in any kind. That moves the complexity
away from the system-rules to the user-rules. And the system-rule
writer _must_ understand the complexity anyway. :)

Kay


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