Gemfile

source 'https://rubygems.org'

ruby '2.1.0'
#ruby-gemset=diabetes-dashboard

gem 'dashing'
gem 'rake'
gem 'dotenv'
gem 'json'
gem 'httparty'
gem 'curb'
gem 'badgerbadgerbadger', github: 'pikesley/badger'

group :development, :test do
  gem 'vcr'
  gem 'rspec'
  gem 'rspec-pride'
  gem 'guard'
  gem 'guard-rspec'
  gem 'terminal-notifier-guard'
  gem 'webmock'
  gem 'timecop'
  gem 'cucumber'
  gem 'coveralls', require: false
end

Running it

➔ bundle
...
Using bundler (1.5.0)
Your bundle is complete!
Use `bundle show [gemname]` to see where a bundled gem is installed.

➔ badger
Commands:
  badger badge           # Generate default badge markdown
  badger help [COMMAND]  # Describe available commands or one specific command
  
➔ badger badge
/Users/sam/.rvm/gems/ruby-2.1.0@global/gems/bundler-1.5.0/lib/bundler/dsl.rb:33:in `eval_gemfile': Gemfile syntax error: (Bundler::GemfileError)
/Users/sam/Github/diabetes-dashboard/Gemfile:12: syntax error, unexpected ':', expecting $end
gem 'badgerbadgerbadger', github: 'pikesley/badger'
                                 ^
	from /Users/sam/.rvm/gems/ruby-2.1.0@global/gems/bundler-1.5.0/lib/bundler/dsl.rb:9:in `evaluate'
	from /Users/sam/.rvm/gems/ruby-2.1.0@global/gems/bundler-1.5.0/lib/bundler/definition.rb:26:in `build'
	from /Users/sam/.rvm/gems/ruby-2.1.0@global/gems/bundler-1.5.0/lib/bundler.rb:152:in `definition'
	from /Users/sam/.rvm/gems/ruby-2.1.0@global/gems/bundler-1.5.0/lib/bundler.rb:115:in `setup'
	from /Users/sam/.rvm/gems/ruby-2.1.0@global/gems/bundler-1.5.0/lib/bundler/setup.rb:17
/Users/sam/.rvm/gems/ruby-2.1.0@diabetes-dashboard/bundler/gems/badger-caa18abbf4c1/lib/badger/badger.rb:14:in `get_url': undefined method `[]' for nil:NilClass (NoMethodError)
	from /Users/sam/.rvm/gems/ruby-2.1.0@diabetes-dashboard/bundler/gems/badger-caa18abbf4c1/lib/badger/badger.rb:4:in `initialize'
	from /Users/sam/.rvm/gems/ruby-2.1.0@diabetes-dashboard/bundler/gems/badger-caa18abbf4c1/lib/badger/cli.rb:9:in `new'
	from /Users/sam/.rvm/gems/ruby-2.1.0@diabetes-dashboard/bundler/gems/badger-caa18abbf4c1/lib/badger/cli.rb:9:in `badge'
	from /Users/sam/.rvm/gems/ruby-2.1.0@diabetes-dashboard/gems/thor-0.18.1/lib/thor/command.rb:27:in `run'
	from /Users/sam/.rvm/gems/ruby-2.1.0@diabetes-dashboard/gems/thor-0.18.1/lib/thor/invocation.rb:120:in `invoke_command'
	from /Users/sam/.rvm/gems/ruby-2.1.0@diabetes-dashboard/gems/thor-0.18.1/lib/thor.rb:363:in `dispatch'
	from /Users/sam/.rvm/gems/ruby-2.1.0@diabetes-dashboard/gems/thor-0.18.1/lib/thor/base.rb:439:in `start'
	from /Users/sam/.rvm/gems/ruby-2.1.0@diabetes-dashboard/bundler/gems/badger-caa18abbf4c1/bin/badger:5:in `<top (required)>'
	from /Users/sam/.rvm/gems/ruby-2.1.0@diabetes-dashboard/bin/badger:23:in `load'
	from /Users/sam/.rvm/gems/ruby-2.1.0@diabetes-dashboard/bin/badger:23:in `<main>'
	from /Users/sam/.rvm/gems/ruby-2.1.0@diabetes-dashboard/bin/ruby_executable_hooks:15:in `eval'
	from /Users/sam/.rvm/gems/ruby-2.1.0@diabetes-dashboard/bin/ruby_executable_hooks:15:in `<main>'