How can I specify a local gem in my Gemfile

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I'd like Bundler to load a local gem. Is there an option for that? Or do I have to move the gem folder into the .bundle directory?
Jul 24, 2020 in Java-Script by kartik
• 37,490 points
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1 answer to this question.

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Hello @kartik,

In order to use local gem repository in a Rails project, follow the steps below:

  1. Check if your gem folder is a git repository (the command is executed in the gem folder)

    git rev-parse --is-inside-work-tree
  2. Getting repository path (the command is executed in the gem folder)

    git rev-parse --show-toplevel
  3. Setting up a local override for the rails application

    bundle config local.GEM_NAME /path/to/local/git/repository

    where GEM_NAME is the name of your gem and /path/to/local/git/repository is the output of the command in point 2

  4. In your application Gemfile add the following line:

    gem 'GEM_NAME', :github => 'GEM_NAME/GEM_NAME', :branch => 'master'
  5. Running bundle install should give something like this:

    Using GEM_NAME (0.0.1) from git://github.com/GEM_NAME/GEM_NAME.git (at /path/to/local/git/repository) 

    where GEM_NAME is the name of your gem and /path/to/local/git/repository from point 2

  6. Finally, run bundle list, not gem list and you should see something like this:

    GEM_NAME (0.0.1 5a68b88)

    where GEM_NAME is the name of your gem

Hope it helps!!
Thank You!
answered Jul 24, 2020 by Niroj
• 82,580 points

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