On 16 Dec 2008, at 18:42, Derrick J Brashear wrote:
The provided patch adds the ability to add or subtract rights from
an acl element, e.g. a+ or a- to add or subtract the administer bit
from an acl, like fs sa . shadow a+
would give shadow the a bit in addition to whatever bits he already
had.
It's user-visible. Before we go anywhere with it, ignoring code
issues, what UI should this have, assuming we do want this feature
(I certianly see the utility)
I can also see the usefulness of this function - so that's a +1 for
the idea!
With regards to the UI, I think the obvious parallel is with the Unix
chmod command. Interestingly, that has the opposite in terms of
modifier position - chmod has u +x, or u -x, rather than u x- as you
suggest here. I wonder if that might be a more obvious syntax?
It would also be good to clarify to what extent compound expressions
(a+l-r+, for example) will be supported.
Cheers,
Simon.
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