From: Chad Fowler <chadfowler@...>
Date: 2005-02-28T07:36:35+09:00
Subject: Re: [ANN] RubyGems 0.8.5

On Mon, 28 Feb 2005 00:11:42 +0900, Jim Freeze <jim@freeze.org> wrote:
> * Jim Weirich <jim@weirichhouse.org> [2005-02-27 10:34:34 +0900]:
> 
> > = Announce: RubyGems Release 0.8.5
> 
> Thanks for the nice update.
> 
> > == So What's Changed in this Release?
> >
> > * "gem update" now accepts a list of gems and only updates the gems listed on
> > the command line.  If no list is given then all gems are updated (which is
> > the bahvior of the previousversion.
> 
> Now that I can update gems one at a time, it would be nice if I
> could look at dependencies. For example, I would like to see
> something like:
> 
>   gem depends_on builder
>     rails-x.y
> 
>   gem dependencies_of rails
>     Dependencies for rails x.y.z
>      - actionmailer-x.y
>      - actionpack-x.y
>      - builder-x.y
>      - rake-x.y
>      - ...
> 
> Can I do something like this now?
> 

irb(main):026:0> Gem.cache.to_a.select {|g|
!g.last.dependencies.select{|d| d.name == "rake"}.empty?}.collect{|g|
g.first}
=> ["rails-0.9.4", "rails-0.9.5", "rails-0.10.0"]

In short, no :)

Probably a good one for the TODO list, though.

-- 

Chad Fowler
http://chadfowler.com
http://rubycentral.org 
http://rubygarden.org 
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