CODEWITHSUNDEEP
rubyrubygemsgemfile
luispcosta
luispcosta

Reputation: 572

Is it possible to override gemfile for local development?

We have a Gemfile currently in our git repository. However, there's a gem I use only locally in my environment (my team doesn't use it). In order to use it, I have to add it to our Gemfile, but every time I check out to our master/dev main branch, I have to remove it because of conflicts with the tracked gemfile.

What I would like is something like a Gemfile.local which would inherit the gems imported from the Gemfile but to also allow new gems to be imported there to use on my machine only. This file would be ignored in .gitignore. Is this even possible?

Upvotes: 7

Views: 2246

Answers (2)

Aleksei Matiushkin
Aleksei Matiushkin

Reputation: 121000

Set BUNDLE_GEMFILE environment variable:

BUNDLE_GEMFILE=Gemfile.local bundle exec rails c

To provide a “delta” only in the Gemfile.local put require_relative 'Gemfile' on top of it (or Bundler::Dsl#eval_gemfile as suggested by @MichaelKohl in comments.)

Upvotes: 9

Prince Bansal
Prince Bansal

Reputation: 286

Put below code at the top of your Gemfile.local to load existing gemfile:

if File.exists?('Gemfile') then
  eval File.read('Gemfile')
end

It will load all gems from existing Gemfile. You can add new gems also as you need.

Run below commands to install gems from new Gemfile.local:

bundle install --gemfile=Gemfile.local

Upvotes: 1

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