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25 lines
748 B
Ruby
25 lines
748 B
Ruby
class Pry::Command::GemReadme < Pry::ClassCommand
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match 'gem-readme'
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description 'Show the readme bundled with a rubygem'
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group 'Gems'
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command_options argument_required: true
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banner <<-BANNER
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gem-readme gem
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Show the readme bundled with a rubygem
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BANNER
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def process(name)
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spec = Gem::Specification.find_by_name(name)
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glob = File.join(spec.full_gem_path, 'README*')
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readme = Dir[glob][0]
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if File.exist?(readme.to_s)
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_pry_.pager.page File.read(readme)
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else
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raise Pry::CommandError, "Gem '#{name}' doesn't appear to have a README"
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end
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rescue Gem::LoadError
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raise Pry::CommandError, "Gem '#{name}' wasn't found. Are you sure it is installed?"
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end
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Pry::Commands.add_command(self)
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end
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