1 files changed, 26 insertions, 0 deletions
diff --git a/lib/bundler/cli/add.rb b/lib/bundler/cli/add.rb
new file mode 100644
index 0000000000..e80c775433
--- /dev/null
+++ b/lib/bundler/cli/add.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+require "bundler/cli/common"
+
+module Bundler
+  class CLI::Add
+    def initialize(options, gem_name)
+      @gem_name = gem_name
+      @options = options
+      @options[:group] = @options[:group].split(",").map(&:strip) if !@options[:group].nil? && !@options[:group].empty?
+    end
+
+    def run
+      version = @options[:version].nil? ? nil : @options[:version].split(",").map(&:strip)
+
+      unless version.nil?
+        version.each do |v|
+          raise InvalidOption, "Invalid gem requirement pattern '#{v}'" unless Gem::Requirement::PATTERN =~ v.to_s
+        end
+      end
+      dependency = Bundler::Dependency.new(@gem_name, version, @options)
+
+      Injector.inject([dependency], :conservative_versioning => @options[:version].nil?) # Perform conservative versioning only when version is not specified
+      Installer.install(Bundler.root, Bundler.definition)
+    end
+  end
+end