Find unused gems in a Ruby bundle (ie, an app with a Gemfile or a gem with both a Gemfile and a gemspec).
Notice that, given the dynamic nature of Ruby, it's not possible to identify unused gems with confidence.
With the current heuristics, many false positives are reported. But we can make it better.
Review the reported unused gems carefully!
bundle add degem
bundle exec degemThe final report will look something like:
The following gems may be unused:
sqlite3: https://github.com/sparklemotion/sqlite3-ruby
======================================================
be4e37f (2024-11-15) deps: rails new to update files
https://github.com/3v0k4/rictionary/commit/be4e37ff7caddcc2bc1d00494d155371e2b1a7e4
9d9ea88 (2021-01-15) prep for heroku
https://github.com/3v0k4/rictionary/commit/9d9ea882231fe809acc28985d4c280d22c31469b
2f70e1c (2021-01-12) init
https://github.com/3v0k4/rictionary/commit/2f70e1c5b6b1ac5b058feb10eabbc6bf76cfb332
kamal: https://github.com/basecamp/kamal
========================================
be4e37f (2024-11-15) deps: rails new to update files
https://github.com/3v0k4/rictionary/commit/be4e37ff7caddcc2bc1d00494d155371e2b1a7e4
thruster: https://github.com/basecamp/thruster
==============================================
be4e37f (2024-11-15) deps: rails new to update files
https://github.com/3v0k4/rictionary/commit/be4e37ff7caddcc2bc1d00494d155371e2b1a7e4
debug: https://github.com/ruby/debug
====================================
be4e37f (2024-11-15) deps: rails new to update files
https://github.com/3v0k4/rictionary/commit/be4e37ff7caddcc2bc1d00494d155371e2b1a7e4
2f70e1c (2021-01-12) init
https://github.com/3v0k4/rictionary/commit/2f70e1c5b6b1ac5b058feb10eabbc6bf76cfb332
After checking out the repo, run bin/setup to install the dependencies. Then, run bin/rake test to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.
To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and the created tag, and push the .gem file to rubygems.org.
Bug reports and pull requests are welcome on GitHub.
The gem is available as open source under the terms of the MIT License.