Re: [RFC] 1.7 Packaging: Obsolete packages

[Corinna Vinschen <corinna-cygwin at cygwin dot com>]

On Aug 21 10:26, Corinna Vinschen wrote:
> On Aug 20 23:21, Yaakov (Cygwin Ports) wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA256
> > 
> > Corinna Vinschen wrote:
> > > What if we add an "obsoletes:" line to setup.{ini,hint}?
> > > 
> > > The idea is that you don't have to provide empty replacement packages
> > > for the old packages anymore, and setup removes all packages noted in
> > > the "obsoletes:" line before installing the new package, in the same
> > > step as when replaing old versions of the same package.
> > > 
> > > Would that work?  Wouldn't that ease the transition to new package
> > > schemes a lot?
> > 
> > Any progress yet on this one?
> 
> Unfortunately not.  The package management in setup is written in some
> sort of martial-arts C++, which I have trouble to follow through.  For
> this and for the problem I describe in
> 
> http://cygwin.com/ml/cygwin-apps/2008-08/msg00162.html
> 
> I would need help.

Setup.exe apparently already understands package lists in setup.ini
which start with "Replaces:" (upper case R), collects the information
and stores it in an internal list, but then doesn't seem to use it
later on.  Too bad.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat