Rake task to publish a new version of a private Rubygem on Keygen. By @alexrudall.

0-intro.md

Ready-made rake task to release new version of private gem on keygen.sh!

How to: just copy keygen.rake into your project, replace your-gem-name with the name of your gem, and run!

rake keygen:publish[your-gem-name,0.1.1]

• Based on this excellent article.
• Follow me on X for more Ruby content at https://x.com/alexrudall
• Anything not belonging to KeyGen.sh is released by me under the MIT License - use as you wish, I disclaim all responsibility for any results of using this script :)

1-keygen.rake

namespace :keygen do
  desc "Build and release a new version of the gem like so: `rake 'keygen:publish[your-gem-name,0.1.1]'`"
  task :publish, %i[name version] => :environment do |t, args|
    name    = args[:name]
    version = args[:version]

    # Build the gem
    sh "gem build #{name}.gemspec --output=build/gems/#{name}-#{version}.gem"
    sh "gem generate_index --directory build/"

    # Tag the release in git
    sh "git tag v#{version}"
    sh "git push origin v#{version}"

    # Create a new version in Keygen
    sh "keygen new --version '#{version}'"

    # Upload the gem and build files to Keygen
    sh "keygen upload build/gems/#{name}-#{version}.gem --filename 'gems/#{name}-#{version}.gem' --release '#{version}'"
    %w[
      latest_specs.4.8
      latest_specs.4.8.gz
      prerelease_specs.4.8
      prerelease_specs.4.8.gz
      specs.4.8
      specs.4.8.gz
    ].each do |file|
      sh "keygen upload build/#{file} --filetype '' --release '#{version}'"
    end

    # Upload the quick gemspec to Keygen
    sh "keygen upload build/quick/Marshal.4.8/#{name}-#{version}.gemspec.rz --filename 'quick/Marshal.4.8/#{name}-#{version}.gemspec.rz' --release '#{version}'"

    # Publish the release in Keygen
    sh "keygen publish --release '#{version}'"
    
    # Untag the old 'latest' release in Keygen (allow to fail if it doesn't exist yet)
    sh "keygen untag gems --release 'gems'" rescue nil
    
    # Tag the new release in Keygen
    sh "keygen tag gems --release '#{version}'"
  end
end

2-install.rb

##
# Instruct your users to install via their Gemfile like below.
#
# NOTE: Make sure your policy has an authentication strategy of `LICENSE`, otherwise
#       license key authentication won't work.
#
#       See: https://keygen.sh/docs/api/policies/#policies-object-attrs-authenticationStrategy
#
source "https://license:#{ENV.fetch('EXAMPLE_LICENSE_KEY')}@get.keygen.sh/account_name_here/gems" do
  gem 'gem_name_here', '~> 1.0'
end