32 lines
1.0 KiB
Ruby
32 lines
1.0 KiB
Ruby
class Pry
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Pry::Commands.create_command "gem-list", "List and search installed gems." do |pattern|
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banner <<-BANNER
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Usage: gem-list [REGEX]
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List all installed gems, when a regex is provided, limit the output to those that
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match the regex.
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BANNER
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def process(pattern=nil)
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pattern = Regexp.compile(pattern || '')
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gems = if Gem::Specification.respond_to?(:each)
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Gem::Specification.select{|spec| spec.name =~ pattern }.group_by(&:name)
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else
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Gem.source_index.gems.values.group_by(&:name).select { |gemname, specs| gemname =~ pattern }
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end
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gems.each do |gem, specs|
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specs.sort! do |a,b|
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Gem::Version.new(b.version) <=> Gem::Version.new(a.version)
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end
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versions = specs.each_with_index.map do |spec, index|
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index == 0 ? text.bright_green(spec.version.to_s) : text.green(spec.version.to_s)
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end
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output.puts "#{text.default gem} (#{versions.join ', '})"
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end
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end
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end
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end
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