One Chef recipe

[ chef-rewind] is a Ruby gem that is needed by most of wrapper cookbooks, as it allows easy overriding of steps inside Chef recipes. A separate recipe for installing chef-rewind should not be needed under normal circumstances, but most of the machines in the LAN don’t have access to (which is needed to install external gems). Therefore we have a minimal recipe that copies the gem file to the nodes and installs it locally.

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