Public SourceMage Discussion List

[Arwed von Merkatz <v.merkatz AT gmx.net>]

On Tue, May 17, 2005 at 07:24:36AM -0500, Robin Cook wrote:
> I don't see in the original proposal on May 7th that SOURCE be set to
> $SPELL-cvs.tar.bz2

Yeah, it seems like I forgot that.
 
> On Sat, 2005-05-07 at 11:42 +0200, Arwed von Merkatz wrote:
> > Hi everyone.
> > 
> > We have quite some spells that support multiple versions based on a user
> > choice. Right now basically all of them behave differently. I'd like to
> > have a unified behaviour so the user always knows what to expect.
> > 
> > First of all: If any other spell depends on a specific version of spell
> > A then spell A _must not_ allow other versions. This means that the
> > current apr/apr-util spells are broken as the apache2 spell requires the
> > 0.9.x versions of them. In such cases the different versions should be
> > provided by seperate spells, see ffmpeg/ffmpeg-cvs for another example
> > where this is required.
> > 
> > Now for the actual versioned spell. The essential differences between
> > the spells we currently have:
> > - some spells default to stable version, some to cvs version
> > - some spells set VERSION=$(date +%Y%m%d), other set VERSION=HEAD, i.e.
> >   some auto update everytime you run sorcery queue, others don't
> > 
> > What I'd like to see:
> > - spell asks which version to use, always defaulting to the stable
> >   version
> > - spell asks if it should automatically update everytime sorcery
> >   queue/system-update is run (only for cvs/svn/... versions)
> > All questions asked in PREPARE, dependency on the vcs added depending on
> > the choice.
> > 
> > If the spell is not set to automatically update, VERSION should be set
> > to a constant string (e.g. HEAD, TRUNK). If the spell is set to
> > automatically update VERSION should be set to $(date +%Y%m%d). This will
> > lead to a new cache tarball every time the spell is updated which is
> > intentional. If an automatic update broke something, the user can dispel
> > -d to a previous version.
> > 
> > If people agree with this I'll add it to the guru handbook and every
> > mult-version spell not working according to this method will be
> > considered a bug.
> > 
> > Questions? Suggestions? Flames?
> > 



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-- 
Arwed v. Merkatz                              Source Mage GNU/Linux developer
                                                    http://www.sourcemage.org