The way I've done this is to do the rake install like you describe and
then use 'gem bundle --cache <path to your customized .gem file>' to
add the modified gem to you application's gem cache.


On Feb 9, 6:07 am, Ming <[email protected]> wrote:
> I needed to modify a gem -- dm-pager -- used by my merb app.  For
> development, I merely went into the gem src of my app's gem/gem
> directory and made the necessary changes.  This worked fine.
>
> Now as I deploy the app, with bundled gems, my changes don't
> propagate.  The server seems to be using the stock gem without my
> modifications.
>
> So I downloaded the source dm-pager, rake-d, and then rake installed
> it (as sudo) on both the deployment and development servers and
> deleted any cached dm-pager gems in the app cache directories.
>
> However, every time I deploy via capistrano the app's current, cache
> directory has the stock gem.  (Without doing 'gem bundle' on the dev
> box and the with.)
>
> I know this is a naive approach -- I'm a relative ruby and merb n00b.
>
> What's the right way of modifying gems for my merb project, specifying
> those gems and deploying them?
>
> TIA

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