Re: [Rubygems-developers] replicating gem installs

Wed, 23 Aug 2006 06:33:55 -0700

Just out of curiosity, why not use /usr/bin/env ruby or just put a symbolic link on different machines. If they are all variations of unix either of these approaches should work, no?

Now, if you throw Windows into the mix it is a bit more of a pain, but doesn't Gems handle the windows/unix path variations already?

Sincerely,
Anthony Eden

On 8/23/06, Jim Freeze <[EMAIL PROTECTED]> wrote:
Hi

I have the same need at work, but with the added requirement that the machines
are on different platforms (Linux, Sun and HP).

We use synchronicity to deploy files throughout the company. Synchronicity is
a version management system and replicator combined. I started out using this
method, but the pain is in managment of the gems and all their files which can
be somewhat scattered. 

We haven't had a problem (that I know of) with gems putting files in /usr/local since
we install with the '-i' flag, but gems have the major downfall of putting explicit path
to ruby on the shebang line. This means I have to edit every gem that gets installed
that has an executable.

I am currently tinkering with the idea that instead of having Synchronicity manage
the gems, let rubygems manage the gems. So my method would entail maintaining
a list of gems and their versions. Then each location would install gems from the list
and, if needed, installed on multiple platforms. This way, each site can choose where
to put all these third party gems and I don't have to manage the headache of keeping
the revision control system cleaned up.

The only inhibitor to launching this scheme is the machine specific shebang path.
I guess I need to just find the time and submit a patch.

Jim

On Aug 21, 2006, at 11:07 PM, hbeaumont hbeaumont wrote:

Hi,

Please point me to the correct list if this is off-topic.

I need to replicate my installed gems across several machines. I am
trying to find the best way to do this.

I had considered rsyncing /usr/local/lib/ruby

but many gems also install things into /usr/local/bin/ etc.

Is there a good way to do this?

I had considered a simple scripts of each install:

/bin/bash

gem install foo
gem install bar

etc.

but I really need something that will let me know 100% for sure that
everything is the same.

Is there an easy way to have a gem report what files it installed?

I suppose in the end I could open each gem setup files and find all
the install lines.

I just wanted to check the list first to see if there is a better or
standard way to do this.

Thanks.
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Jim Freeze


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