Problem
You are trying to install spree from the git source, following the instructions from here, but there are errors like:
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gem install activemerchant --version "= 1.4.1" ERROR: While generating documentation for builder-2.1.2 ... MESSAGE: Unhandled special: Special: type=17, text="<!-- HI -->" ... RDOC args: --ri --op /usr/lib/ruby/gems/1.8/doc/builder-2.1.2/ri --title Builder -- Easy XML Building --main README --line-numbers --quiet lib CHANGES Rakefile README doc/releases/builder-1.2.4.rdoc doc/releases/builder-2.0.0.rdoc doc/releases/builder-2.1.1. |
Solution
Make sure you have the following gems installed:
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sudo gem install builder haml echoe |
and then run: