On 11/29/06, Chad Fowler <[EMAIL PROTECTED]> wrote:
> On 11/28/06, Chad Woolley <[EMAIL PROTECTED]> wrote:
> > Hello,
> >
> > I'm writing a tool ("geminstaller" on RubyForge) which will
> > automatically install all required gem versions for an app/server,
> > based on a config file. This is inspired by the way Maven handles
> > dependency auto-download for Java.
> >
> > Anyway, it's almost releasable, except for one hitch: I can't figure
> > out how to programatically specify a platform for multiplatform/binary
> > gems; I always get prompted with the list of platform/version choices.
> >
> > The crux of the problem seems to be in
> > Gem::RemoteInstaller.find_gem_to_install. It appears to be hardcoded
> > to prompt the user with a list of all gems if any binary gems exist,
> > with no way to programatically specify an exact name + version +
> > platform.
> >
> > I can hack around this by overriding this method, as well as the
> > entire call stack up through InstallCommand, etc. I'm currently using
> > GemRunner as my interface point to invoke RubyGems, because I want to
> > avoid digging into the guts of RubyGems as much as possible.
> > However, this approach would require me to override several methods
> > (at least 4 I've found so far). I really don't like this, because
> > it's asking for forward-compatibility problems when new releases of
> > RubyGems are released.
> >
> > So, what is your advice? Am I missing some easy solution to this? If
> > not, would you RubyGem developers be up for accepting a patch which
> > adds platform-specifying capability to the current code (including an
> > appropriate command line option)? If so, I'd like to contribute it.
> > I'd still have to hack around it for backward compatibility with prior
> > RubyGem releases, but it would be nice to know I wouldn't have to
> > worry about forward compatibility. Plus I think it would be a nice
> > feature :)
> >
> > Thanks,
> > Chad
> >
> > P.S. Sorry if this has already been discussed in a prior thread, I
> > just joined the group and was too lazy to search the archives.
> > _______________________________________________
>
>
> Hi. You're right that this is a limitation. Jim and I discussed it
> at length at the recent Rails Edge conference. We have a solution in
> mind, but we haven't started hacking yet.
>
> Chad
Hi Chad,
Great! Let me know when you guys start, and if I beat you to it I'll
let you know. Like I said, I've got to hack backward compatibility
first, then I'll try to take a look at it.
Thanks,
Chad
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