How do you update a gem to a specific version?

How do I install a specific version of a bundle?

How to update the bundler version in a Gemfile. lock

  1. Install the latest bundler version: gem install bundler Fetching bundler-2.1.2.gem Successfully installed bundler-2.1.2 1 gem installed.
  2. Update the bundler version in you Gemfile.lock : bundle _2.1.2_ update –bundler.

How do I upgrade a Rails to a specific version?

6 Answers

  1. Specify the desired version in your Gemfile (e.g. gem ‘rails’, ‘~> 5.2. rc1’ )
  2. Run bundle install ( bundle update may be needed)
  3. Run rails app:update ( rake rails:update for 4.2 and earlier)
  4. Follow instructions on screen.
  5. Follow the official guide for additional steps depending on your version.

How do you upgrade a bundler gem?

If your application is ready, you can upgrade that application to the latest installed version of Bundler by running bundle update –bundler . We recommend committing your Gemfile. lock before you upgrade.

How do I uninstall a specific version of a gem?

Removing a specific gem

  1. sudo gem uninstall GEMNAME.
  2. sudo gem uninstall GEMNAME –version 1.1.0.
  3. sudo gem cleanup GEMNAME.
  4. sudo gem cleanup.

Where does bundler install gems?

The location to install the gems in the bundle to. This defaults to Rubygems’ gem home, which is also the default location where gem install installs gems. This means that, by default, gems installed without a –path setting will show up in gem list . This setting is a remembered option.

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How do I upgrade Rails 4 to Rails 5?

How to upgrade from Rails 4.2 to Rails 5.0

  1. 1 – Update ruby. …
  2. 2 – Update your gem dependencies to Rails 5. …
  3. 3 – Update Rails binaries and configurations. …
  4. 4 – Generate the db/schema. …
  5. 5 – Application classes. …
  6. 6 – Validation changes on Belongs To relations. …
  7. 7 – Halt callback chain – throw(:abort)

Is Ruby on Rails dead?

No, Ruby on Rails is not dead, and it is still a great choice for building web apps. Let’s take a closer look at why some people ask if Ruby on Rails is dead, show you why Rails is not dead or dying, and explore the projects Ruby on Rails is used for every day.

How do I update Ruby in Rails?

For each version you need to do these steps:

  1. Change the Rails version in the Gemfile.
  2. gem update.
  3. rails app:update.
  4. Apply all changes from the upgrade guide.
  5. Run your tests.
  6. Fix all failing tests.
  7. Fix all obsolete messages.

How do I update my gem dependencies?

I worked with below steps:

  1. Open the gem installation folder as below: …
  2. Add new dependency below into gemspec file (nesta.gemspec) …
  3. Append gem ‘stacktracer’ into Gemfile.
  4. Add require “stacktracer” into Rakefile.
  5. Run command bundle update nesta.
  6. Run command bundle install.

How do I check my GEM version?

Since your goal is to verify a gem is installed with the correct version, use gem list . You can limit to the specific gem by using gem list data_mapper . To verify that it’s installed and working, you’ll have to try to require the gem and then use it in your code.

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How do I know if Ruby gems are installed?

Finding libraries

Using gem search -r , you can search RubyGems’ repository. For instance, gem search -r rails will return a list of Rails-related gems. With the –local ( -l ) option, you would perform a local search through your installed gems. To install a gem, use gem install [gem] .

How do I remove gem from Gemfile lock?

2 Answers. You can run just bundle or bundle install to install gems based on your Gemfile. That will remove the instance of mygem from your Gemfile. lock file.

How do I remove RVM from my Mac?

Remove rvm

  1. Run the program which removes the rvm/ directory and all the rubies built within it: rvm repair rvm cleanup rvm implode –force. …
  2. Remove folders: rm -rf /usr/local/rvm sudo rm /etc/profile.d/rvm.sh sudo rm /etc/rvmrc sudo rm ~/.rvmrc.