Re: proposed deprecation policy/mechanism

["Frank Ch. Eigler" <fche at redhat dot com>]

Hi -

On Fri, Jun 25, 2010 at 08:24:28PM +0200, Mark Wielaard wrote:
> [...]
> Maybe we should also say something about how often we will create a
> major release. Once around every 3 months?

Yeah.

> >   For example, if we're in development between versions         
> >   1.2 and 1.3, wrap to-be-deprecated tapset functions in                        
> >   %( systemtap_v <= "1.3" %?    function foo() {}   %)                          
> >   so as to preserve the tapset function during the life of the 1.3 release.     
> 
> Would the same hold for probe aliases?

Yes.

> Does this mean that they are still supported when systemtap 1.4 is ran
> with stap --compatible=1.2? If so, then it would mean that we can never
> really remove some functionality.

Right, I guess we need some extra text to describe "really deprecated"
state that would enable us to drop the code after a while.


> >   Script language changes that cause earlier valid scripts to become            
> >   invalid should be opt-in [...]
> 
> Do we have any of such language changes at the moment?

No.

- FChE