From: Han Holl <han.holl@...>
Date: 2007-10-03T03:26:29+09:00
Subject: Re: syncing gems between computers

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On 10/2/07, ebeard <ecbearden@gmail.com> wrote:
> Before I write my own capistrano task I was wondering how others sync
> gems from one computer to another?  I want to be able to run a ruby
> program on multiple computers but not get bogged down in hand parsing
> the output from `gem list` on both computers to make sure it can run
> in both places.  Thanks for any hints.
>
>
I run
rsync -av --delete source:/usr/lib/ruby/gems/1.8/cache/ target:
/usr/lib/ruby/gems/1.8/cache

and then run the attached script. You won't be able to use it 'as is'
(remove or replace references to mail_exception, MailSender and the
like, but you'll get the idea.
It let's me update install and uninstall gems automatically.
The only problem that I see are gems that need development packages
that may not be installed on the target machine. I might need to
create a 'binary gem' in those cases.

Cheers

Han Holl

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